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Annotation of mandoc/mdoc_term.c, Revision 1.105

1.105   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.104 2010/01/01 13:35:30 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 <stdio.h>
                     22: #include <stdlib.h>
                     23: #include <string.h>
                     24:
1.92      kristaps   25: #include "out.h"
1.1       kristaps   26: #include "term.h"
                     27: #include "mdoc.h"
1.89      kristaps   28: #include "chars.h"
                     29: #include "main.h"
1.1       kristaps   30:
1.66      kristaps   31: #define        INDENT            5
                     32: #define        HALFINDENT        3
                     33:
1.1       kristaps   34: struct termpair {
                     35:        struct termpair  *ppair;
1.31      kristaps   36:        int               flag;
                     37:        int               count;
1.1       kristaps   38: };
                     39:
1.31      kristaps   40: #define        DECL_ARGS struct termp *p, \
                     41:                  struct termpair *pair, \
1.86      kristaps   42:                  const struct mdoc_meta *m, \
                     43:                  const struct mdoc_node *n
1.1       kristaps   44:
                     45: struct termact {
                     46:        int     (*pre)(DECL_ARGS);
                     47:        void    (*post)(DECL_ARGS);
                     48: };
                     49:
1.96      kristaps   50: static size_t    a2width(const struct mdoc_argv *, int);
                     51: static size_t    a2height(const struct mdoc_node *);
                     52: static size_t    a2offs(const struct mdoc_argv *);
                     53:
                     54: static int       arg_hasattr(int, const struct mdoc_node *);
                     55: static int       arg_getattrs(const int *, int *, size_t,
                     56:                        const struct mdoc_node *);
                     57: static int       arg_getattr(int, const struct mdoc_node *);
                     58: static int       arg_listtype(const struct mdoc_node *);
                     59: static void      print_bvspace(struct termp *,
                     60:                        const struct mdoc_node *,
                     61:                        const struct mdoc_node *);
1.102     kristaps   62: static void      print_mdoc_node(DECL_ARGS);
                     63: static void      print_mdoc_head(DECL_ARGS);
                     64: static void      print_mdoc_nodelist(DECL_ARGS);
1.96      kristaps   65: static void      print_foot(DECL_ARGS);
                     66:
                     67: #ifdef __linux__
                     68: extern size_t    strlcpy(char *, const char *, size_t);
                     69: extern size_t    strlcat(char *, const char *, size_t);
                     70: #endif
                     71:
1.31      kristaps   72: static void      termp____post(DECL_ARGS);
1.61      kristaps   73: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_aq_post(DECL_ARGS);
                     75: static void      termp_bd_post(DECL_ARGS);
                     76: static void      termp_bl_post(DECL_ARGS);
                     77: static void      termp_bq_post(DECL_ARGS);
                     78: static void      termp_brq_post(DECL_ARGS);
                     79: static void      termp_bx_post(DECL_ARGS);
                     80: static void      termp_d1_post(DECL_ARGS);
                     81: static void      termp_dq_post(DECL_ARGS);
                     82: static void      termp_fd_post(DECL_ARGS);
                     83: static void      termp_fn_post(DECL_ARGS);
                     84: static void      termp_fo_post(DECL_ARGS);
                     85: static void      termp_ft_post(DECL_ARGS);
                     86: static void      termp_in_post(DECL_ARGS);
                     87: static void      termp_it_post(DECL_ARGS);
                     88: static void      termp_lb_post(DECL_ARGS);
                     89: static void      termp_op_post(DECL_ARGS);
                     90: static void      termp_pf_post(DECL_ARGS);
                     91: static void      termp_pq_post(DECL_ARGS);
                     92: static void      termp_qq_post(DECL_ARGS);
                     93: static void      termp_sh_post(DECL_ARGS);
                     94: static void      termp_sq_post(DECL_ARGS);
                     95: static void      termp_ss_post(DECL_ARGS);
                     96: static void      termp_vt_post(DECL_ARGS);
                     97:
1.84      kristaps   98: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   99: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_ap_pre(DECL_ARGS);
                    101: static int       termp_aq_pre(DECL_ARGS);
                    102: static int       termp_bd_pre(DECL_ARGS);
                    103: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  104: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  105: static int       termp_bq_pre(DECL_ARGS);
                    106: static int       termp_brq_pre(DECL_ARGS);
                    107: static int       termp_bt_pre(DECL_ARGS);
                    108: static int       termp_cd_pre(DECL_ARGS);
                    109: static int       termp_d1_pre(DECL_ARGS);
                    110: static int       termp_dq_pre(DECL_ARGS);
                    111: static int       termp_ex_pre(DECL_ARGS);
                    112: static int       termp_fa_pre(DECL_ARGS);
                    113: static int       termp_fl_pre(DECL_ARGS);
                    114: static int       termp_fn_pre(DECL_ARGS);
                    115: static int       termp_fo_pre(DECL_ARGS);
                    116: static int       termp_ft_pre(DECL_ARGS);
                    117: static int       termp_in_pre(DECL_ARGS);
                    118: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  119: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_lk_pre(DECL_ARGS);
                    121: static int       termp_nd_pre(DECL_ARGS);
                    122: static int       termp_nm_pre(DECL_ARGS);
                    123: static int       termp_ns_pre(DECL_ARGS);
                    124: static int       termp_op_pre(DECL_ARGS);
                    125: static int       termp_pf_pre(DECL_ARGS);
                    126: static int       termp_pq_pre(DECL_ARGS);
                    127: static int       termp_qq_pre(DECL_ARGS);
                    128: static int       termp_rs_pre(DECL_ARGS);
                    129: static int       termp_rv_pre(DECL_ARGS);
                    130: static int       termp_sh_pre(DECL_ARGS);
                    131: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  132: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  133: static int       termp_sq_pre(DECL_ARGS);
                    134: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  135: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_ud_pre(DECL_ARGS);
                    137: static int       termp_xr_pre(DECL_ARGS);
                    138: static int       termp_xx_pre(DECL_ARGS);
                    139:
1.70      kristaps  140: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  141:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  142:        { NULL, NULL }, /* Dd */
                    143:        { NULL, NULL }, /* Dt */
                    144:        { NULL, NULL }, /* Os */
                    145:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    146:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  147:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  148:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    149:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    150:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    151:        { NULL, NULL }, /* Ed */
                    152:        { NULL, termp_bl_post }, /* Bl */
                    153:        { NULL, NULL }, /* El */
                    154:        { termp_it_pre, termp_it_post }, /* It */
                    155:        { NULL, NULL }, /* Ad */
1.61      kristaps  156:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  158:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  159:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  160:        { NULL, NULL }, /* Dv */
                    161:        { NULL, NULL }, /* Er */
                    162:        { NULL, NULL }, /* Ev */
                    163:        { termp_ex_pre, NULL }, /* Ex */
                    164:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  165:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
                    167:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    168:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  170:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  171:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  172:        { termp_nd_pre, NULL }, /* Nd */
                    173:        { termp_nm_pre, NULL }, /* Nm */
                    174:        { termp_op_pre, termp_op_post }, /* Op */
                    175:        { NULL, NULL }, /* Ot */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  177:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  178:        { NULL, NULL }, /* St */
1.69      kristaps  179:        { termp_under_pre, NULL }, /* Va */
1.70      kristaps  180:        { termp_under_pre, termp_vt_post }, /* Vt */
1.1       kristaps  181:        { termp_xr_pre, NULL }, /* Xr */
                    182:        { NULL, termp____post }, /* %A */
1.84      kristaps  183:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  184:        { NULL, termp____post }, /* %D */
1.84      kristaps  185:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  186:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  187:        { NULL, termp____post }, /* %N */
                    188:        { NULL, termp____post }, /* %O */
                    189:        { NULL, termp____post }, /* %P */
                    190:        { NULL, termp____post }, /* %R */
1.84      kristaps  191:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  192:        { NULL, termp____post }, /* %V */
                    193:        { NULL, NULL }, /* Ac */
                    194:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    195:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  196:        { NULL, NULL }, /* At */
1.1       kristaps  197:        { NULL, NULL }, /* Bc */
                    198:        { termp_bf_pre, NULL }, /* Bf */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  202:        { NULL, termp_bx_post }, /* Bx */
                    203:        { NULL, NULL }, /* Db */
                    204:        { NULL, NULL }, /* Dc */
                    205:        { termp_dq_pre, termp_dq_post }, /* Do */
                    206:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    207:        { NULL, NULL }, /* Ec */
                    208:        { NULL, NULL }, /* Ef */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  210:        { NULL, NULL }, /* Eo */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  212:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  213:        { NULL, NULL }, /* No */
                    214:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  215:        { termp_xx_pre, NULL }, /* Nx */
                    216:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  217:        { NULL, NULL }, /* Pc */
                    218:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    219:        { termp_pq_pre, termp_pq_post }, /* Po */
                    220:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    221:        { NULL, NULL }, /* Qc */
                    222:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    225:        { NULL, NULL }, /* Re */
                    226:        { termp_rs_pre, NULL }, /* Rs */
                    227:        { NULL, NULL }, /* Sc */
                    228:        { termp_sq_pre, termp_sq_post }, /* So */
                    229:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    230:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  231:        { termp_under_pre, NULL }, /* Sx */
                    232:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  233:        { NULL, NULL }, /* Tn */
1.26      kristaps  234:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  235:        { NULL, NULL }, /* Xc */
                    236:        { NULL, NULL }, /* Xo */
                    237:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    238:        { NULL, NULL }, /* Fc */
                    239:        { termp_op_pre, termp_op_post }, /* Oo */
                    240:        { NULL, NULL }, /* Oc */
                    241:        { NULL, NULL }, /* Bk */
                    242:        { NULL, NULL }, /* Ek */
                    243:        { termp_bt_pre, NULL }, /* Bt */
                    244:        { NULL, NULL }, /* Hf */
                    245:        { NULL, NULL }, /* Fr */
                    246:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  247:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  249:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  250:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  251:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    252:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    253:        { NULL, NULL }, /* Brc */
1.83      kristaps  254:        { NULL, termp____post }, /* %C */
1.81      kristaps  255:        { NULL, NULL }, /* Es */ /* TODO */
                    256:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  257:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  258:        { NULL, termp____post }, /* %Q */
1.76      kristaps  259:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  260:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  261:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  262: };
                    263:
                    264:
1.70      kristaps  265: void
1.89      kristaps  266: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  267: {
1.70      kristaps  268:        const struct mdoc_node  *n;
                    269:        const struct mdoc_meta  *m;
1.89      kristaps  270:        struct termp            *p;
                    271:
                    272:        p = (struct termp *)arg;
                    273:
                    274:        if (NULL == p->symtab)
                    275:                switch (p->enc) {
                    276:                case (TERMENC_ASCII):
                    277:                        p->symtab = chars_init(CHARS_ASCII);
                    278:                        break;
                    279:                default:
                    280:                        abort();
                    281:                        /* NOTREACHED */
                    282:                }
1.70      kristaps  283:
                    284:        n = mdoc_node(mdoc);
                    285:        m = mdoc_meta(mdoc);
                    286:
1.102     kristaps  287:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  288:        if (n->child)
1.102     kristaps  289:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  290:        print_foot(p, NULL, m, n);
1.1       kristaps  291: }
                    292:
                    293:
1.3       kristaps  294: static void
1.102     kristaps  295: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  296: {
                    297:
1.102     kristaps  298:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  299:        if (n->next)
1.102     kristaps  300:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  301: }
                    302:
                    303:
1.70      kristaps  304: /* ARGSUSED */
1.3       kristaps  305: static void
1.102     kristaps  306: print_mdoc_node(DECL_ARGS)
1.1       kristaps  307: {
1.102     kristaps  308:        int              chld;
                    309:        const void      *font;
1.1       kristaps  310:        struct termpair  npair;
1.30      kristaps  311:        size_t           offset, rmargin;
1.1       kristaps  312:
1.70      kristaps  313:        chld = 1;
1.29      kristaps  314:        offset = p->offset;
1.30      kristaps  315:        rmargin = p->rmargin;
1.102     kristaps  316:        font = term_fontq(p);
1.29      kristaps  317:
1.97      kristaps  318:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  319:        npair.ppair = pair;
1.46      kristaps  320:
1.86      kristaps  321:        if (MDOC_TEXT != n->type) {
                    322:                if (termacts[n->tok].pre)
                    323:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  324:        } else
1.86      kristaps  325:                term_word(p, n->string);
1.102     kristaps  326:
1.86      kristaps  327:        if (chld && n->child)
1.102     kristaps  328:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  329:
1.102     kristaps  330:        term_fontpopq(p, font);
1.46      kristaps  331:
1.86      kristaps  332:        if (MDOC_TEXT != n->type)
                    333:                if (termacts[n->tok].post)
                    334:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.29      kristaps  335:
                    336:        p->offset = offset;
1.30      kristaps  337:        p->rmargin = rmargin;
1.1       kristaps  338: }
                    339:
                    340:
1.70      kristaps  341: /* ARGSUSED */
1.3       kristaps  342: static void
1.70      kristaps  343: print_foot(DECL_ARGS)
1.1       kristaps  344: {
1.98      kristaps  345:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  346:
1.102     kristaps  347:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  348:
1.9       kristaps  349:        /*
                    350:         * Output the footer in new-groff style, that is, three columns
                    351:         * with the middle being the manual date and flanking columns
                    352:         * being the operating system:
                    353:         *
                    354:         * SYSTEM                  DATE                    SYSTEM
                    355:         */
                    356:
1.94      kristaps  357:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  358:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  359:
                    360:        term_vspace(p);
                    361:
1.9       kristaps  362:        p->offset = 0;
                    363:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  364:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    365:
                    366:        term_word(p, os);
                    367:        term_flushln(p);
                    368:
1.9       kristaps  369:        p->offset = p->rmargin;
                    370:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  371:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  372:
                    373:        term_word(p, buf);
                    374:        term_flushln(p);
                    375:
1.1       kristaps  376:        p->offset = p->rmargin;
                    377:        p->rmargin = p->maxrmargin;
                    378:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  379:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  380:
1.9       kristaps  381:        term_word(p, os);
1.1       kristaps  382:        term_flushln(p);
                    383:
1.9       kristaps  384:        p->offset = 0;
                    385:        p->rmargin = p->maxrmargin;
                    386:        p->flags = 0;
1.1       kristaps  387: }
                    388:
                    389:
1.70      kristaps  390: /* ARGSUSED */
1.3       kristaps  391: static void
1.102     kristaps  392: print_mdoc_head(DECL_ARGS)
1.1       kristaps  393: {
1.98      kristaps  394:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  395:
                    396:        p->rmargin = p->maxrmargin;
                    397:        p->offset = 0;
                    398:
                    399:        /*
                    400:         * The header is strange.  It has three components, which are
                    401:         * really two with the first duplicated.  It goes like this:
                    402:         *
                    403:         * IDENTIFIER              TITLE                   IDENTIFIER
                    404:         *
                    405:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    406:         * (if given, or "unknown" if not) followed by the manual page
                    407:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    408:         * string depending on the manual volume.  If not specified, it
                    409:         * switches on the manual section.
                    410:         */
                    411:
1.86      kristaps  412:        assert(m->vol);
1.98      kristaps  413:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  414:
1.86      kristaps  415:        if (m->arch) {
1.98      kristaps  416:                strlcat(buf, " (", BUFSIZ);
                    417:                strlcat(buf, m->arch, BUFSIZ);
                    418:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  419:        }
                    420:
1.98      kristaps  421:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  422:
                    423:        p->offset = 0;
1.8       kristaps  424:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  425:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    426:
                    427:        term_word(p, title);
                    428:        term_flushln(p);
                    429:
                    430:        p->offset = p->rmargin;
                    431:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  432:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  433:
                    434:        term_word(p, buf);
                    435:        term_flushln(p);
                    436:
                    437:        p->offset = p->rmargin;
                    438:        p->rmargin = p->maxrmargin;
                    439:        p->flags &= ~TERMP_NOBREAK;
                    440:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    441:
                    442:        term_word(p, title);
                    443:        term_flushln(p);
                    444:
1.9       kristaps  445:        p->offset = 0;
1.1       kristaps  446:        p->rmargin = p->maxrmargin;
                    447:        p->flags &= ~TERMP_NOSPACE;
                    448: }
                    449:
                    450:
                    451: static size_t
1.96      kristaps  452: a2height(const struct mdoc_node *n)
1.1       kristaps  453: {
1.92      kristaps  454:        struct roffsu    su;
1.91      kristaps  455:
                    456:        assert(MDOC_TEXT == n->type);
                    457:        assert(n->string);
1.92      kristaps  458:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    459:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  460:
1.92      kristaps  461:        return(term_vspan(&su));
1.91      kristaps  462: }
1.1       kristaps  463:
1.40      kristaps  464:
1.91      kristaps  465: static size_t
1.96      kristaps  466: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  467: {
1.92      kristaps  468:        struct roffsu    su;
1.1       kristaps  469:
1.91      kristaps  470:        assert(arg->value[pos]);
1.92      kristaps  471:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  472:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  473:
1.93      kristaps  474:        /* XXX: pachemu? */
                    475:        return(term_hspan(&su) + 2);
1.1       kristaps  476: }
                    477:
                    478:
                    479: static int
                    480: arg_listtype(const struct mdoc_node *n)
                    481: {
                    482:        int              i, len;
                    483:
                    484:        assert(MDOC_BLOCK == n->type);
                    485:
                    486:        len = (int)(n->args ? n->args->argc : 0);
                    487:
                    488:        for (i = 0; i < len; i++)
                    489:                switch (n->args->argv[i].arg) {
                    490:                case (MDOC_Bullet):
                    491:                        /* FALLTHROUGH */
                    492:                case (MDOC_Dash):
                    493:                        /* FALLTHROUGH */
                    494:                case (MDOC_Enum):
                    495:                        /* FALLTHROUGH */
                    496:                case (MDOC_Hyphen):
                    497:                        /* FALLTHROUGH */
                    498:                case (MDOC_Tag):
                    499:                        /* FALLTHROUGH */
                    500:                case (MDOC_Inset):
                    501:                        /* FALLTHROUGH */
                    502:                case (MDOC_Diag):
                    503:                        /* FALLTHROUGH */
                    504:                case (MDOC_Item):
                    505:                        /* FALLTHROUGH */
                    506:                case (MDOC_Column):
                    507:                        /* FALLTHROUGH */
1.38      kristaps  508:                case (MDOC_Hang):
                    509:                        /* FALLTHROUGH */
1.1       kristaps  510:                case (MDOC_Ohang):
                    511:                        return(n->args->argv[i].arg);
                    512:                default:
                    513:                        break;
                    514:                }
                    515:
1.38      kristaps  516:        return(-1);
1.1       kristaps  517: }
                    518:
                    519:
                    520: static size_t
1.96      kristaps  521: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  522: {
1.92      kristaps  523:        struct roffsu    su;
1.1       kristaps  524:
1.91      kristaps  525:        if ('\0' == arg->value[0][0])
                    526:                return(0);
                    527:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  528:                return(0);
1.91      kristaps  529:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  530:                return(INDENT + 1);
1.91      kristaps  531:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  532:                return((INDENT + 1) * 2);
1.92      kristaps  533:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    534:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  535:
1.92      kristaps  536:        return(term_hspan(&su));
1.1       kristaps  537: }
                    538:
                    539:
                    540: static int
                    541: arg_hasattr(int arg, const struct mdoc_node *n)
                    542: {
                    543:
                    544:        return(-1 != arg_getattr(arg, n));
                    545: }
                    546:
                    547:
                    548: static int
                    549: arg_getattr(int v, const struct mdoc_node *n)
                    550: {
                    551:        int              val;
                    552:
                    553:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    554: }
                    555:
                    556:
                    557: static int
                    558: arg_getattrs(const int *keys, int *vals,
                    559:                size_t sz, const struct mdoc_node *n)
                    560: {
                    561:        int              i, j, k;
                    562:
                    563:        if (NULL == n->args)
                    564:                return(0);
                    565:
                    566:        for (k = i = 0; i < (int)n->args->argc; i++)
                    567:                for (j = 0; j < (int)sz; j++)
                    568:                        if (n->args->argv[i].arg == keys[j]) {
                    569:                                vals[j] = i;
                    570:                                k++;
                    571:                        }
                    572:        return(k);
                    573: }
                    574:
                    575:
1.54      kristaps  576: static void
1.91      kristaps  577: print_bvspace(struct termp *p,
1.1       kristaps  578:                const struct mdoc_node *bl,
1.86      kristaps  579:                const struct mdoc_node *n)
1.1       kristaps  580: {
1.86      kristaps  581:        const struct mdoc_node  *nn;
1.1       kristaps  582:
                    583:        term_newln(p);
1.85      kristaps  584:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  585:                return;
                    586:
1.85      kristaps  587:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  588:
1.86      kristaps  589:        for (nn = n; nn; nn = nn->parent) {
                    590:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  591:                        continue;
1.86      kristaps  592:                if (MDOC_Ss == nn->tok)
1.54      kristaps  593:                        return;
1.86      kristaps  594:                if (MDOC_Sh == nn->tok)
1.54      kristaps  595:                        return;
1.86      kristaps  596:                if (NULL == nn->prev)
1.1       kristaps  597:                        continue;
                    598:                break;
                    599:        }
                    600:
1.85      kristaps  601:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  602:
1.59      kristaps  603:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  604:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  605:                        return;
                    606:
1.85      kristaps  607:        /* A `-diag' without body does not vspace. */
                    608:
1.59      kristaps  609:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  610:                if (n->prev && MDOC_It == n->prev->tok) {
                    611:                        assert(n->prev->body);
                    612:                        if (NULL == n->prev->body->child)
1.55      kristaps  613:                                return;
                    614:                }
                    615:
1.54      kristaps  616:        term_vspace(p);
1.1       kristaps  617: }
                    618:
                    619:
                    620: /* ARGSUSED */
                    621: static int
                    622: termp_dq_pre(DECL_ARGS)
                    623: {
                    624:
1.86      kristaps  625:        if (MDOC_BODY != n->type)
1.1       kristaps  626:                return(1);
                    627:
                    628:        term_word(p, "\\(lq");
                    629:        p->flags |= TERMP_NOSPACE;
                    630:        return(1);
                    631: }
                    632:
                    633:
                    634: /* ARGSUSED */
                    635: static void
                    636: termp_dq_post(DECL_ARGS)
                    637: {
                    638:
1.86      kristaps  639:        if (MDOC_BODY != n->type)
1.1       kristaps  640:                return;
                    641:
                    642:        p->flags |= TERMP_NOSPACE;
                    643:        term_word(p, "\\(rq");
                    644: }
                    645:
                    646:
                    647: /* ARGSUSED */
                    648: static int
                    649: termp_it_pre(DECL_ARGS)
                    650: {
1.86      kristaps  651:        const struct mdoc_node *bl, *nn;
1.1       kristaps  652:        char                    buf[7];
1.39      kristaps  653:        int                     i, type, keys[3], vals[3];
1.105   ! kristaps  654:        size_t                  width, offset, ncols, dcol;
1.1       kristaps  655:
1.86      kristaps  656:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  657:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  658:                return(1);
                    659:        }
1.1       kristaps  660:
1.86      kristaps  661:        bl = n->parent->parent->parent;
1.1       kristaps  662:
                    663:        /* Save parent attributes. */
                    664:
                    665:        pair->flag = p->flags;
                    666:
                    667:        /* Get list width and offset. */
                    668:
                    669:        keys[0] = MDOC_Width;
                    670:        keys[1] = MDOC_Offset;
                    671:        keys[2] = MDOC_Column;
                    672:
                    673:        vals[0] = vals[1] = vals[2] = -1;
                    674:
                    675:        width = offset = 0;
                    676:
                    677:        (void)arg_getattrs(keys, vals, 3, bl);
                    678:
                    679:        type = arg_listtype(bl);
1.38      kristaps  680:        assert(-1 != type);
1.1       kristaps  681:
1.105   ! kristaps  682:        if (vals[1] >= 0)
        !           683:                offset = a2offs(&bl->args->argv[vals[1]]);
        !           684:
1.1       kristaps  685:        /* Calculate real width and offset. */
                    686:
                    687:        switch (type) {
                    688:        case (MDOC_Column):
1.86      kristaps  689:                if (MDOC_BODY == n->type)
1.1       kristaps  690:                        break;
1.105   ! kristaps  691:
        !           692:                /*
        !           693:                 * Imitate groff's column handling.
        !           694:                 * For each earlier column, add its width.
        !           695:                 * For less than 5 columns, add two more blanks per column.
        !           696:                 * For exactly 5 columns, add only one more blank per column.
        !           697:                 * For more than 5 columns, add no blanks per column.
        !           698:                 */
        !           699:                ncols = bl->args->argv[vals[2]].sz;
        !           700:                /* LINTED */
        !           701:                dcol = ncols < 5 ? 2 : ncols == 5 ? 1 : 0;
        !           702:                for (i=0, nn=n->prev; nn && i < (int)ncols; nn=nn->prev, i++)
        !           703:                        offset += a2width(&bl->args->argv[vals[2]], i) + dcol;
        !           704:
        !           705:                /*
        !           706:                 * FIXME: newer groff only wants one space between
        !           707:                 * columns > 5; however, a2width will have min. two
        !           708:                 * spaces.  For now, let this slide.
        !           709:                 */
        !           710:
        !           711:                /*
        !           712:                 * Use the declared column widths,
        !           713:                 * extended as explained in the preceding paragraph.
1.58      kristaps  714:                 */
1.105   ! kristaps  715:                if (i < (int)ncols)
        !           716:                        width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.58      kristaps  717:
1.105   ! kristaps  718:                /*
        !           719:                 * When exceeding the declared number of columns,
        !           720:                 * leave the remaining widths at 0.
        !           721:                 * This will later be adjusted to the default width of 10,
        !           722:                 * or, for the last column, stretched to the right margin.
        !           723:                 */
1.1       kristaps  724:                break;
                    725:        default:
                    726:                if (vals[0] >= 0)
1.96      kristaps  727:                        width = a2width(&bl->args->argv[vals[0]], 0);
1.1       kristaps  728:                break;
                    729:        }
                    730:
                    731:        /*
                    732:         * List-type can override the width in the case of fixed-head
                    733:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  734:         * offset.
1.1       kristaps  735:         */
                    736:
                    737:        switch (type) {
                    738:        case (MDOC_Bullet):
                    739:                /* FALLTHROUGH */
                    740:        case (MDOC_Dash):
                    741:                /* FALLTHROUGH */
                    742:        case (MDOC_Hyphen):
                    743:                if (width < 4)
                    744:                        width = 4;
                    745:                break;
1.17      kristaps  746:        case (MDOC_Enum):
                    747:                if (width < 5)
                    748:                        width = 5;
                    749:                break;
1.38      kristaps  750:        case (MDOC_Hang):
1.39      kristaps  751:                if (0 == width)
                    752:                        width = 8;
                    753:                break;
1.49      kristaps  754:        case (MDOC_Column):
                    755:                /* FALLTHROUGH */
1.1       kristaps  756:        case (MDOC_Tag):
                    757:                if (0 == width)
                    758:                        width = 10;
                    759:                break;
                    760:        default:
                    761:                break;
                    762:        }
                    763:
                    764:        /*
1.17      kristaps  765:         * Whitespace control.  Inset bodies need an initial space,
                    766:         * while diagonal bodies need two.
1.1       kristaps  767:         */
                    768:
1.51      kristaps  769:        p->flags |= TERMP_NOSPACE;
                    770:
1.1       kristaps  771:        switch (type) {
1.51      kristaps  772:        case (MDOC_Diag):
1.86      kristaps  773:                if (MDOC_BODY == n->type)
1.62      kristaps  774:                        term_word(p, "\\ \\ ");
1.51      kristaps  775:                break;
1.1       kristaps  776:        case (MDOC_Inset):
1.86      kristaps  777:                if (MDOC_BODY == n->type)
1.51      kristaps  778:                        term_word(p, "\\ ");
1.1       kristaps  779:                break;
                    780:        default:
                    781:                break;
                    782:        }
                    783:
1.51      kristaps  784:        p->flags |= TERMP_NOSPACE;
                    785:
1.1       kristaps  786:        switch (type) {
                    787:        case (MDOC_Diag):
1.86      kristaps  788:                if (MDOC_HEAD == n->type)
1.102     kristaps  789:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  790:                break;
                    791:        default:
                    792:                break;
                    793:        }
                    794:
                    795:        /*
                    796:         * Pad and break control.  This is the tricker part.  Lists with
                    797:         * set right-margins for the head get TERMP_NOBREAK because, if
                    798:         * they overrun the margin, they wrap to the new margin.
                    799:         * Correspondingly, the body for these types don't left-pad, as
                    800:         * the head will pad out to to the right.
                    801:         */
                    802:
                    803:        switch (type) {
                    804:        case (MDOC_Bullet):
                    805:                /* FALLTHROUGH */
                    806:        case (MDOC_Dash):
                    807:                /* FALLTHROUGH */
                    808:        case (MDOC_Enum):
                    809:                /* FALLTHROUGH */
                    810:        case (MDOC_Hyphen):
1.86      kristaps  811:                if (MDOC_HEAD == n->type)
1.39      kristaps  812:                        p->flags |= TERMP_NOBREAK;
                    813:                else
                    814:                        p->flags |= TERMP_NOLPAD;
                    815:                break;
1.38      kristaps  816:        case (MDOC_Hang):
1.86      kristaps  817:                if (MDOC_HEAD == n->type)
1.39      kristaps  818:                        p->flags |= TERMP_NOBREAK;
                    819:                else
                    820:                        p->flags |= TERMP_NOLPAD;
                    821:
1.86      kristaps  822:                if (MDOC_HEAD != n->type)
1.59      kristaps  823:                        break;
                    824:
                    825:                /*
                    826:                 * This is ugly.  If `-hang' is specified and the body
                    827:                 * is a `Bl' or `Bd', then we want basically to nullify
                    828:                 * the "overstep" effect in term_flushln() and treat
                    829:                 * this as a `-ohang' list instead.
                    830:                 */
1.86      kristaps  831:                if (n->next->child &&
                    832:                                (MDOC_Bl == n->next->child->tok ||
                    833:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  834:                        p->flags &= ~TERMP_NOBREAK;
                    835:                        p->flags &= ~TERMP_NOLPAD;
                    836:                } else
1.39      kristaps  837:                        p->flags |= TERMP_HANG;
                    838:                break;
1.1       kristaps  839:        case (MDOC_Tag):
1.86      kristaps  840:                if (MDOC_HEAD == n->type)
1.51      kristaps  841:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  842:                else
                    843:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  844:
1.86      kristaps  845:                if (MDOC_HEAD != n->type)
1.39      kristaps  846:                        break;
1.86      kristaps  847:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  848:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  849:                break;
                    850:        case (MDOC_Column):
1.86      kristaps  851:                if (MDOC_HEAD == n->type) {
                    852:                        assert(n->next);
                    853:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  854:                                p->flags &= ~TERMP_NOBREAK;
                    855:                        else
                    856:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  857:                        if (n->prev)
1.1       kristaps  858:                                p->flags |= TERMP_NOLPAD;
                    859:                }
                    860:                break;
                    861:        case (MDOC_Diag):
1.86      kristaps  862:                if (MDOC_HEAD == n->type)
1.1       kristaps  863:                        p->flags |= TERMP_NOBREAK;
                    864:                break;
                    865:        default:
                    866:                break;
                    867:        }
                    868:
                    869:        /*
                    870:         * Margin control.  Set-head-width lists have their right
                    871:         * margins shortened.  The body for these lists has the offset
                    872:         * necessarily lengthened.  Everybody gets the offset.
                    873:         */
                    874:
                    875:        p->offset += offset;
                    876:
                    877:        switch (type) {
1.59      kristaps  878:        case (MDOC_Hang):
                    879:                /*
                    880:                 * Same stipulation as above, regarding `-hang'.  We
                    881:                 * don't want to recalculate rmargin and offsets when
                    882:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    883:                 */
1.86      kristaps  884:                if (MDOC_HEAD == n->type && n->next->child &&
                    885:                                (MDOC_Bl == n->next->child->tok ||
                    886:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  887:                        break;
                    888:                /* FALLTHROUGH */
1.1       kristaps  889:        case (MDOC_Bullet):
                    890:                /* FALLTHROUGH */
                    891:        case (MDOC_Dash):
                    892:                /* FALLTHROUGH */
                    893:        case (MDOC_Enum):
                    894:                /* FALLTHROUGH */
                    895:        case (MDOC_Hyphen):
                    896:                /* FALLTHROUGH */
                    897:        case (MDOC_Tag):
1.49      kristaps  898:                assert(width);
1.86      kristaps  899:                if (MDOC_HEAD == n->type)
1.1       kristaps  900:                        p->rmargin = p->offset + width;
                    901:                else
                    902:                        p->offset += width;
                    903:                break;
                    904:        case (MDOC_Column):
1.49      kristaps  905:                assert(width);
1.1       kristaps  906:                p->rmargin = p->offset + width;
1.50      kristaps  907:                /*
                    908:                 * XXX - this behaviour is not documented: the
                    909:                 * right-most column is filled to the right margin.
                    910:                 */
1.86      kristaps  911:                if (MDOC_HEAD == n->type &&
1.105   ! kristaps  912:                                MDOC_BODY == n->next->type &&
        !           913:                                p->rmargin < p->maxrmargin)
1.50      kristaps  914:                        p->rmargin = p->maxrmargin;
1.1       kristaps  915:                break;
                    916:        default:
                    917:                break;
                    918:        }
                    919:
                    920:        /*
                    921:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  922:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  923:         */
                    924:
1.86      kristaps  925:        if (MDOC_HEAD == n->type)
1.1       kristaps  926:                switch (type) {
                    927:                case (MDOC_Bullet):
1.102     kristaps  928:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  929:                        term_word(p, "\\[bu]");
1.102     kristaps  930:                        term_fontpop(p);
1.1       kristaps  931:                        break;
                    932:                case (MDOC_Dash):
                    933:                        /* FALLTHROUGH */
                    934:                case (MDOC_Hyphen):
1.102     kristaps  935:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  936:                        term_word(p, "\\(hy");
1.102     kristaps  937:                        term_fontpop(p);
1.1       kristaps  938:                        break;
                    939:                case (MDOC_Enum):
                    940:                        (pair->ppair->ppair->count)++;
                    941:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    942:                                        pair->ppair->ppair->count);
                    943:                        term_word(p, buf);
                    944:                        break;
                    945:                default:
                    946:                        break;
                    947:                }
                    948:
                    949:        /*
                    950:         * If we're not going to process our children, indicate so here.
                    951:         */
                    952:
                    953:        switch (type) {
                    954:        case (MDOC_Bullet):
                    955:                /* FALLTHROUGH */
                    956:        case (MDOC_Item):
                    957:                /* FALLTHROUGH */
                    958:        case (MDOC_Dash):
                    959:                /* FALLTHROUGH */
                    960:        case (MDOC_Hyphen):
                    961:                /* FALLTHROUGH */
                    962:        case (MDOC_Enum):
1.86      kristaps  963:                if (MDOC_HEAD == n->type)
1.1       kristaps  964:                        return(0);
                    965:                break;
                    966:        case (MDOC_Column):
1.86      kristaps  967:                if (MDOC_BODY == n->type)
1.1       kristaps  968:                        return(0);
                    969:                break;
                    970:        default:
                    971:                break;
                    972:        }
                    973:
                    974:        return(1);
                    975: }
                    976:
                    977:
                    978: /* ARGSUSED */
                    979: static void
                    980: termp_it_post(DECL_ARGS)
                    981: {
                    982:        int                type;
                    983:
1.86      kristaps  984:        if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
1.1       kristaps  985:                return;
                    986:
1.86      kristaps  987:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps  988:        assert(-1 != type);
1.1       kristaps  989:
                    990:        switch (type) {
                    991:        case (MDOC_Item):
                    992:                /* FALLTHROUGH */
1.53      kristaps  993:        case (MDOC_Diag):
                    994:                /* FALLTHROUGH */
1.1       kristaps  995:        case (MDOC_Inset):
1.86      kristaps  996:                if (MDOC_BODY == n->type)
1.1       kristaps  997:                        term_flushln(p);
                    998:                break;
                    999:        case (MDOC_Column):
1.86      kristaps 1000:                if (MDOC_HEAD == n->type)
1.1       kristaps 1001:                        term_flushln(p);
                   1002:                break;
                   1003:        default:
                   1004:                term_flushln(p);
                   1005:                break;
                   1006:        }
                   1007:
                   1008:        p->flags = pair->flag;
                   1009: }
                   1010:
                   1011:
                   1012: /* ARGSUSED */
                   1013: static int
                   1014: termp_nm_pre(DECL_ARGS)
                   1015: {
                   1016:
1.86      kristaps 1017:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1018:                term_newln(p);
1.102     kristaps 1019:
                   1020:        term_fontpush(p, TERMFONT_BOLD);
                   1021:
1.86      kristaps 1022:        if (NULL == n->child)
                   1023:                term_word(p, m->name);
1.1       kristaps 1024:        return(1);
                   1025: }
                   1026:
                   1027:
                   1028: /* ARGSUSED */
                   1029: static int
                   1030: termp_fl_pre(DECL_ARGS)
                   1031: {
                   1032:
1.102     kristaps 1033:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1034:        term_word(p, "\\-");
1.103     kristaps 1035:
                   1036:        /* A blank `Fl' should incur a subsequent space. */
                   1037:
                   1038:        if (n->child)
                   1039:                p->flags |= TERMP_NOSPACE;
                   1040:
1.1       kristaps 1041:        return(1);
                   1042: }
                   1043:
                   1044:
                   1045: /* ARGSUSED */
                   1046: static int
1.61      kristaps 1047: termp_an_pre(DECL_ARGS)
                   1048: {
                   1049:
1.86      kristaps 1050:        if (NULL == n->child)
1.61      kristaps 1051:                return(1);
                   1052:
                   1053:        /*
1.85      kristaps 1054:         * If not in the AUTHORS section, `An -split' will cause
                   1055:         * newlines to occur before the author name.  If in the AUTHORS
                   1056:         * section, by default, the first `An' invocation is nosplit,
                   1057:         * then all subsequent ones, regardless of whether interspersed
                   1058:         * with other macros/text, are split.  -split, in this case,
                   1059:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1060:         */
                   1061:
1.86      kristaps 1062:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1063:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1064:                        if (TERMP_SPLIT & p->flags)
                   1065:                                term_newln(p);
                   1066:                        return(1);
                   1067:                }
                   1068:                if (TERMP_NOSPLIT & p->flags)
                   1069:                        return(1);
                   1070:                term_newln(p);
                   1071:                return(1);
                   1072:        }
                   1073:
                   1074:        if (TERMP_SPLIT & p->flags)
                   1075:                term_newln(p);
                   1076:
                   1077:        return(1);
                   1078: }
                   1079:
                   1080:
                   1081: /* ARGSUSED */
                   1082: static void
                   1083: termp_an_post(DECL_ARGS)
                   1084: {
                   1085:
1.86      kristaps 1086:        if (n->child) {
                   1087:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1088:                        p->flags |= TERMP_ANPREC;
                   1089:                return;
                   1090:        }
                   1091:
1.86      kristaps 1092:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1093:                p->flags &= ~TERMP_NOSPLIT;
                   1094:                p->flags |= TERMP_SPLIT;
                   1095:        } else {
                   1096:                p->flags &= ~TERMP_SPLIT;
                   1097:                p->flags |= TERMP_NOSPLIT;
                   1098:        }
                   1099:
                   1100: }
                   1101:
                   1102:
                   1103: /* ARGSUSED */
                   1104: static int
1.1       kristaps 1105: termp_ns_pre(DECL_ARGS)
                   1106: {
                   1107:
                   1108:        p->flags |= TERMP_NOSPACE;
                   1109:        return(1);
                   1110: }
                   1111:
                   1112:
                   1113: /* ARGSUSED */
                   1114: static int
                   1115: termp_rs_pre(DECL_ARGS)
                   1116: {
                   1117:
1.86      kristaps 1118:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1119:                return(1);
1.86      kristaps 1120:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1121:                term_vspace(p);
                   1122:        return(1);
                   1123: }
                   1124:
                   1125:
                   1126: /* ARGSUSED */
                   1127: static int
                   1128: termp_rv_pre(DECL_ARGS)
                   1129: {
1.68      kristaps 1130:        const struct mdoc_node  *nn;
1.1       kristaps 1131:
                   1132:        term_newln(p);
                   1133:        term_word(p, "The");
                   1134:
1.86      kristaps 1135:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1136:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1137:                term_word(p, nn->string);
1.102     kristaps 1138:                term_fontpop(p);
1.68      kristaps 1139:                p->flags |= TERMP_NOSPACE;
                   1140:                if (nn->next && NULL == nn->next->next)
                   1141:                        term_word(p, "(), and");
                   1142:                else if (nn->next)
                   1143:                        term_word(p, "(),");
                   1144:                else
                   1145:                        term_word(p, "()");
                   1146:        }
                   1147:
1.86      kristaps 1148:        if (n->child->next)
1.68      kristaps 1149:                term_word(p, "functions return");
                   1150:        else
                   1151:                term_word(p, "function returns");
1.1       kristaps 1152:
1.68      kristaps 1153:                term_word(p, "the value 0 if successful; otherwise the value "
                   1154:                        "-1 is returned and the global variable");
1.1       kristaps 1155:
1.102     kristaps 1156:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1157:        term_word(p, "errno");
1.102     kristaps 1158:        term_fontpop(p);
1.1       kristaps 1159:
                   1160:                term_word(p, "is set to indicate the error.");
                   1161:
1.68      kristaps 1162:        return(0);
1.1       kristaps 1163: }
                   1164:
                   1165:
                   1166: /* ARGSUSED */
                   1167: static int
                   1168: termp_ex_pre(DECL_ARGS)
                   1169: {
1.68      kristaps 1170:        const struct mdoc_node  *nn;
1.1       kristaps 1171:
1.68      kristaps 1172:        term_word(p, "The");
1.1       kristaps 1173:
1.86      kristaps 1174:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1175:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1176:                term_word(p, nn->string);
1.102     kristaps 1177:                term_fontpop(p);
1.68      kristaps 1178:                p->flags |= TERMP_NOSPACE;
                   1179:                if (nn->next && NULL == nn->next->next)
                   1180:                        term_word(p, ", and");
                   1181:                else if (nn->next)
                   1182:                        term_word(p, ",");
                   1183:                else
                   1184:                        p->flags &= ~TERMP_NOSPACE;
                   1185:        }
                   1186:
1.86      kristaps 1187:        if (n->child->next)
1.68      kristaps 1188:                term_word(p, "utilities exit");
                   1189:        else
                   1190:                term_word(p, "utility exits");
                   1191:
                   1192:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1193:
1.68      kristaps 1194:        return(0);
1.1       kristaps 1195: }
                   1196:
                   1197:
                   1198: /* ARGSUSED */
                   1199: static int
                   1200: termp_nd_pre(DECL_ARGS)
                   1201: {
1.25      kristaps 1202:
1.86      kristaps 1203:        if (MDOC_BODY != n->type)
1.25      kristaps 1204:                return(1);
1.30      kristaps 1205:
1.27      kristaps 1206: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1207:        term_word(p, "\\(en");
1.23      kristaps 1208: #else
                   1209:        term_word(p, "\\(em");
                   1210: #endif
1.1       kristaps 1211:        return(1);
                   1212: }
                   1213:
                   1214:
                   1215: /* ARGSUSED */
                   1216: static void
                   1217: termp_bl_post(DECL_ARGS)
                   1218: {
                   1219:
1.86      kristaps 1220:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1221:                term_newln(p);
                   1222: }
                   1223:
                   1224:
                   1225: /* ARGSUSED */
                   1226: static void
                   1227: termp_op_post(DECL_ARGS)
                   1228: {
                   1229:
1.86      kristaps 1230:        if (MDOC_BODY != n->type)
1.1       kristaps 1231:                return;
                   1232:        p->flags |= TERMP_NOSPACE;
                   1233:        term_word(p, "\\(rB");
                   1234: }
                   1235:
                   1236:
                   1237: /* ARGSUSED */
                   1238: static int
                   1239: termp_xr_pre(DECL_ARGS)
                   1240: {
1.86      kristaps 1241:        const struct mdoc_node *nn;
1.1       kristaps 1242:
1.86      kristaps 1243:        assert(n->child && MDOC_TEXT == n->child->type);
                   1244:        nn = n->child;
1.11      kristaps 1245:
1.86      kristaps 1246:        term_word(p, nn->string);
                   1247:        if (NULL == (nn = nn->next))
1.1       kristaps 1248:                return(0);
                   1249:        p->flags |= TERMP_NOSPACE;
                   1250:        term_word(p, "(");
                   1251:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1252:        term_word(p, nn->string);
1.1       kristaps 1253:        p->flags |= TERMP_NOSPACE;
                   1254:        term_word(p, ")");
1.86      kristaps 1255:
1.1       kristaps 1256:        return(0);
                   1257: }
                   1258:
                   1259:
                   1260: /* ARGSUSED */
                   1261: static void
                   1262: termp_vt_post(DECL_ARGS)
                   1263: {
                   1264:
1.86      kristaps 1265:        if (n->sec != SEC_SYNOPSIS)
1.32      kristaps 1266:                return;
1.86      kristaps 1267:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1268:                term_newln(p);
1.86      kristaps 1269:        else if (n->next)
1.1       kristaps 1270:                term_vspace(p);
                   1271: }
                   1272:
                   1273:
                   1274: /* ARGSUSED */
                   1275: static int
1.69      kristaps 1276: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1277: {
                   1278:
1.102     kristaps 1279:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1280:        return(1);
                   1281: }
                   1282:
                   1283:
                   1284: /* ARGSUSED */
                   1285: static void
                   1286: termp_fd_post(DECL_ARGS)
                   1287: {
                   1288:
1.86      kristaps 1289:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1290:                return;
1.29      kristaps 1291:
1.1       kristaps 1292:        term_newln(p);
1.86      kristaps 1293:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1294:                term_vspace(p);
                   1295: }
                   1296:
                   1297:
                   1298: /* ARGSUSED */
                   1299: static int
                   1300: termp_sh_pre(DECL_ARGS)
                   1301: {
1.85      kristaps 1302:
                   1303:        /* No vspace between consecutive `Sh' calls. */
                   1304:
1.86      kristaps 1305:        switch (n->type) {
1.65      kristaps 1306:        case (MDOC_BLOCK):
1.86      kristaps 1307:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1308:                        if (NULL == n->prev->body->child)
1.65      kristaps 1309:                                break;
                   1310:                term_vspace(p);
                   1311:                break;
1.1       kristaps 1312:        case (MDOC_HEAD):
1.102     kristaps 1313:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1314:                break;
                   1315:        case (MDOC_BODY):
                   1316:                p->offset = INDENT;
                   1317:                break;
                   1318:        default:
                   1319:                break;
                   1320:        }
                   1321:        return(1);
                   1322: }
                   1323:
                   1324:
                   1325: /* ARGSUSED */
                   1326: static void
                   1327: termp_sh_post(DECL_ARGS)
                   1328: {
                   1329:
1.86      kristaps 1330:        switch (n->type) {
1.1       kristaps 1331:        case (MDOC_HEAD):
                   1332:                term_newln(p);
                   1333:                break;
                   1334:        case (MDOC_BODY):
                   1335:                term_newln(p);
                   1336:                p->offset = 0;
                   1337:                break;
                   1338:        default:
                   1339:                break;
                   1340:        }
                   1341: }
                   1342:
                   1343:
                   1344: /* ARGSUSED */
                   1345: static int
                   1346: termp_op_pre(DECL_ARGS)
                   1347: {
                   1348:
1.86      kristaps 1349:        switch (n->type) {
1.1       kristaps 1350:        case (MDOC_BODY):
                   1351:                term_word(p, "\\(lB");
                   1352:                p->flags |= TERMP_NOSPACE;
                   1353:                break;
                   1354:        default:
                   1355:                break;
                   1356:        }
                   1357:        return(1);
                   1358: }
                   1359:
                   1360:
                   1361: /* ARGSUSED */
                   1362: static int
                   1363: termp_bt_pre(DECL_ARGS)
                   1364: {
                   1365:
                   1366:        term_word(p, "is currently in beta test.");
1.81      kristaps 1367:        return(0);
1.1       kristaps 1368: }
                   1369:
                   1370:
                   1371: /* ARGSUSED */
                   1372: static void
                   1373: termp_lb_post(DECL_ARGS)
                   1374: {
                   1375:
1.86      kristaps 1376:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1377:                term_newln(p);
1.1       kristaps 1378: }
                   1379:
                   1380:
                   1381: /* ARGSUSED */
                   1382: static int
                   1383: termp_ud_pre(DECL_ARGS)
                   1384: {
                   1385:
                   1386:        term_word(p, "currently under development.");
1.86      kristaps 1387:        return(0);
1.1       kristaps 1388: }
                   1389:
                   1390:
                   1391: /* ARGSUSED */
                   1392: static int
                   1393: termp_d1_pre(DECL_ARGS)
                   1394: {
                   1395:
1.86      kristaps 1396:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1397:                return(1);
                   1398:        term_newln(p);
1.29      kristaps 1399:        p->offset += (INDENT + 1);
1.1       kristaps 1400:        return(1);
                   1401: }
                   1402:
                   1403:
                   1404: /* ARGSUSED */
                   1405: static void
                   1406: termp_d1_post(DECL_ARGS)
                   1407: {
                   1408:
1.86      kristaps 1409:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1410:                return;
                   1411:        term_newln(p);
                   1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static int
                   1417: termp_aq_pre(DECL_ARGS)
                   1418: {
                   1419:
1.86      kristaps 1420:        if (MDOC_BODY != n->type)
1.1       kristaps 1421:                return(1);
                   1422:        term_word(p, "\\(la");
                   1423:        p->flags |= TERMP_NOSPACE;
                   1424:        return(1);
                   1425: }
                   1426:
                   1427:
                   1428: /* ARGSUSED */
                   1429: static void
                   1430: termp_aq_post(DECL_ARGS)
                   1431: {
                   1432:
1.86      kristaps 1433:        if (MDOC_BODY != n->type)
1.1       kristaps 1434:                return;
                   1435:        p->flags |= TERMP_NOSPACE;
                   1436:        term_word(p, "\\(ra");
                   1437: }
                   1438:
                   1439:
                   1440: /* ARGSUSED */
                   1441: static int
                   1442: termp_ft_pre(DECL_ARGS)
                   1443: {
                   1444:
1.86      kristaps 1445:        if (SEC_SYNOPSIS == n->sec)
                   1446:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1447:                        term_vspace(p);
1.102     kristaps 1448:
                   1449:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1450:        return(1);
                   1451: }
                   1452:
                   1453:
                   1454: /* ARGSUSED */
                   1455: static void
                   1456: termp_ft_post(DECL_ARGS)
                   1457: {
                   1458:
1.86      kristaps 1459:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1460:                term_newln(p);
                   1461: }
                   1462:
                   1463:
                   1464: /* ARGSUSED */
                   1465: static int
                   1466: termp_fn_pre(DECL_ARGS)
                   1467: {
1.86      kristaps 1468:        const struct mdoc_node  *nn;
1.1       kristaps 1469:
1.102     kristaps 1470:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1471:        term_word(p, n->child->string);
1.102     kristaps 1472:        term_fontpop(p);
1.1       kristaps 1473:
                   1474:        p->flags |= TERMP_NOSPACE;
                   1475:        term_word(p, "(");
                   1476:
1.86      kristaps 1477:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1478:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1479:                term_word(p, nn->string);
1.102     kristaps 1480:                term_fontpop(p);
                   1481:
1.86      kristaps 1482:                if (nn->next)
1.1       kristaps 1483:                        term_word(p, ",");
                   1484:        }
                   1485:
                   1486:        term_word(p, ")");
                   1487:
1.86      kristaps 1488:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1489:                term_word(p, ";");
                   1490:
                   1491:        return(0);
                   1492: }
                   1493:
                   1494:
                   1495: /* ARGSUSED */
                   1496: static void
                   1497: termp_fn_post(DECL_ARGS)
                   1498: {
                   1499:
1.86      kristaps 1500:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1501:                term_vspace(p);
                   1502: }
                   1503:
                   1504:
                   1505: /* ARGSUSED */
                   1506: static int
                   1507: termp_fa_pre(DECL_ARGS)
                   1508: {
1.86      kristaps 1509:        const struct mdoc_node  *nn;
1.1       kristaps 1510:
1.86      kristaps 1511:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1512:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1513:                return(1);
                   1514:        }
                   1515:
1.86      kristaps 1516:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1517:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1518:                term_word(p, nn->string);
1.102     kristaps 1519:                term_fontpop(p);
                   1520:
1.86      kristaps 1521:                if (nn->next)
1.1       kristaps 1522:                        term_word(p, ",");
                   1523:        }
                   1524:
1.86      kristaps 1525:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1526:                term_word(p, ",");
                   1527:
                   1528:        return(0);
                   1529: }
                   1530:
                   1531:
                   1532: /* ARGSUSED */
                   1533: static int
                   1534: termp_bd_pre(DECL_ARGS)
                   1535: {
1.85      kristaps 1536:        int                      i, type;
                   1537:        const struct mdoc_node  *nn;
1.1       kristaps 1538:
1.86      kristaps 1539:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1540:                print_bvspace(p, n, n);
1.54      kristaps 1541:                return(1);
1.86      kristaps 1542:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1543:                return(1);
                   1544:
1.86      kristaps 1545:        nn = n->parent;
1.11      kristaps 1546:
1.85      kristaps 1547:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1548:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1549:                case (MDOC_Centred):
                   1550:                        /* FALLTHROUGH */
1.1       kristaps 1551:                case (MDOC_Ragged):
                   1552:                        /* FALLTHROUGH */
                   1553:                case (MDOC_Filled):
                   1554:                        /* FALLTHROUGH */
                   1555:                case (MDOC_Unfilled):
                   1556:                        /* FALLTHROUGH */
                   1557:                case (MDOC_Literal):
1.85      kristaps 1558:                        type = nn->args->argv[i].arg;
                   1559:                        break;
                   1560:                case (MDOC_Offset):
1.96      kristaps 1561:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1562:                        break;
                   1563:                default:
                   1564:                        break;
                   1565:                }
                   1566:        }
1.85      kristaps 1567:
                   1568:        /*
                   1569:         * If -ragged or -filled are specified, the block does nothing
                   1570:         * but change the indentation.  If -unfilled or -literal are
                   1571:         * specified, text is printed exactly as entered in the display:
                   1572:         * for macro lines, a newline is appended to the line.  Blank
                   1573:         * lines are allowed.
                   1574:         */
1.60      kristaps 1575:
                   1576:        assert(type > -1);
1.85      kristaps 1577:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1578:                return(1);
                   1579:
1.86      kristaps 1580:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1581:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1582:                print_mdoc_node(p, pair, m, nn);
1.85      kristaps 1583:                if (NULL == nn->next)
                   1584:                        continue;
                   1585:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1586:                        term_flushln(p);
1.87      kristaps 1587:                else if (NULL == nn->prev)
                   1588:                        term_flushln(p);
1.1       kristaps 1589:        }
                   1590:
                   1591:        return(0);
                   1592: }
                   1593:
                   1594:
                   1595: /* ARGSUSED */
                   1596: static void
                   1597: termp_bd_post(DECL_ARGS)
                   1598: {
                   1599:
1.86      kristaps 1600:        if (MDOC_BODY != n->type)
1.1       kristaps 1601:                return;
1.60      kristaps 1602:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1603:        term_flushln(p);
                   1604: }
                   1605:
                   1606:
                   1607: /* ARGSUSED */
                   1608: static int
                   1609: termp_qq_pre(DECL_ARGS)
                   1610: {
                   1611:
1.86      kristaps 1612:        if (MDOC_BODY != n->type)
1.1       kristaps 1613:                return(1);
                   1614:        term_word(p, "\"");
                   1615:        p->flags |= TERMP_NOSPACE;
                   1616:        return(1);
                   1617: }
                   1618:
                   1619:
                   1620: /* ARGSUSED */
                   1621: static void
                   1622: termp_qq_post(DECL_ARGS)
                   1623: {
                   1624:
1.86      kristaps 1625:        if (MDOC_BODY != n->type)
1.1       kristaps 1626:                return;
                   1627:        p->flags |= TERMP_NOSPACE;
                   1628:        term_word(p, "\"");
                   1629: }
                   1630:
                   1631:
                   1632: /* ARGSUSED */
                   1633: static void
                   1634: termp_bx_post(DECL_ARGS)
                   1635: {
                   1636:
1.86      kristaps 1637:        if (n->child)
1.1       kristaps 1638:                p->flags |= TERMP_NOSPACE;
                   1639:        term_word(p, "BSD");
                   1640: }
                   1641:
                   1642:
                   1643: /* ARGSUSED */
                   1644: static int
1.26      kristaps 1645: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1646: {
1.26      kristaps 1647:        const char      *pp;
1.1       kristaps 1648:
1.26      kristaps 1649:        pp = NULL;
1.86      kristaps 1650:        switch (n->tok) {
1.26      kristaps 1651:        case (MDOC_Bsx):
                   1652:                pp = "BSDI BSD/OS";
                   1653:                break;
                   1654:        case (MDOC_Dx):
1.100     kristaps 1655:                pp = "DragonFly";
1.26      kristaps 1656:                break;
                   1657:        case (MDOC_Fx):
                   1658:                pp = "FreeBSD";
                   1659:                break;
                   1660:        case (MDOC_Nx):
                   1661:                pp = "NetBSD";
                   1662:                break;
                   1663:        case (MDOC_Ox):
                   1664:                pp = "OpenBSD";
                   1665:                break;
                   1666:        case (MDOC_Ux):
                   1667:                pp = "UNIX";
                   1668:                break;
                   1669:        default:
                   1670:                break;
                   1671:        }
1.1       kristaps 1672:
1.26      kristaps 1673:        assert(pp);
                   1674:        term_word(p, pp);
1.1       kristaps 1675:        return(1);
                   1676: }
                   1677:
                   1678:
                   1679: /* ARGSUSED */
                   1680: static int
                   1681: termp_sq_pre(DECL_ARGS)
                   1682: {
                   1683:
1.86      kristaps 1684:        if (MDOC_BODY != n->type)
1.1       kristaps 1685:                return(1);
                   1686:        term_word(p, "\\(oq");
                   1687:        p->flags |= TERMP_NOSPACE;
                   1688:        return(1);
                   1689: }
                   1690:
                   1691:
                   1692: /* ARGSUSED */
                   1693: static void
                   1694: termp_sq_post(DECL_ARGS)
                   1695: {
                   1696:
1.86      kristaps 1697:        if (MDOC_BODY != n->type)
1.1       kristaps 1698:                return;
                   1699:        p->flags |= TERMP_NOSPACE;
                   1700:        term_word(p, "\\(aq");
                   1701: }
                   1702:
                   1703:
                   1704: /* ARGSUSED */
                   1705: static int
                   1706: termp_pf_pre(DECL_ARGS)
                   1707: {
                   1708:
                   1709:        p->flags |= TERMP_IGNDELIM;
                   1710:        return(1);
                   1711: }
                   1712:
                   1713:
                   1714: /* ARGSUSED */
                   1715: static void
                   1716: termp_pf_post(DECL_ARGS)
                   1717: {
                   1718:
                   1719:        p->flags &= ~TERMP_IGNDELIM;
                   1720:        p->flags |= TERMP_NOSPACE;
                   1721: }
                   1722:
                   1723:
                   1724: /* ARGSUSED */
                   1725: static int
                   1726: termp_ss_pre(DECL_ARGS)
                   1727: {
                   1728:
1.86      kristaps 1729:        switch (n->type) {
1.1       kristaps 1730:        case (MDOC_BLOCK):
                   1731:                term_newln(p);
1.86      kristaps 1732:                if (n->prev)
1.1       kristaps 1733:                        term_vspace(p);
                   1734:                break;
                   1735:        case (MDOC_HEAD):
1.102     kristaps 1736:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1737:                p->offset = HALFINDENT;
1.1       kristaps 1738:                break;
                   1739:        default:
                   1740:                break;
                   1741:        }
                   1742:
                   1743:        return(1);
                   1744: }
                   1745:
                   1746:
                   1747: /* ARGSUSED */
                   1748: static void
                   1749: termp_ss_post(DECL_ARGS)
                   1750: {
                   1751:
1.86      kristaps 1752:        if (MDOC_HEAD == n->type)
1.1       kristaps 1753:                term_newln(p);
                   1754: }
                   1755:
                   1756:
                   1757: /* ARGSUSED */
                   1758: static int
                   1759: termp_cd_pre(DECL_ARGS)
                   1760: {
                   1761:
1.102     kristaps 1762:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1763:        term_newln(p);
                   1764:        return(1);
                   1765: }
                   1766:
                   1767:
                   1768: /* ARGSUSED */
                   1769: static int
                   1770: termp_in_pre(DECL_ARGS)
                   1771: {
                   1772:
1.102     kristaps 1773:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1774:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1775:                term_word(p, "#include");
                   1776:
1.1       kristaps 1777:        term_word(p, "<");
                   1778:        p->flags |= TERMP_NOSPACE;
                   1779:        return(1);
                   1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static void
                   1785: termp_in_post(DECL_ARGS)
                   1786: {
                   1787:
1.102     kristaps 1788:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1789:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1790:        term_word(p, ">");
1.102     kristaps 1791:        term_fontpop(p);
1.1       kristaps 1792:
1.86      kristaps 1793:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1794:                return;
1.22      kristaps 1795:
                   1796:        term_newln(p);
                   1797:        /*
                   1798:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1799:         * the SYNOPSIS section, then it produces a single break after
                   1800:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1801:         * construction is rarely used, I think it's fine.
                   1802:         */
1.86      kristaps 1803:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1804:                term_vspace(p);
                   1805: }
                   1806:
                   1807:
                   1808: /* ARGSUSED */
                   1809: static int
1.45      kristaps 1810: termp_sp_pre(DECL_ARGS)
                   1811: {
1.91      kristaps 1812:        size_t           i, len;
1.45      kristaps 1813:
1.86      kristaps 1814:        switch (n->tok) {
1.76      kristaps 1815:        case (MDOC_sp):
1.96      kristaps 1816:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1817:                break;
                   1818:        case (MDOC_br):
                   1819:                len = 0;
                   1820:                break;
                   1821:        default:
                   1822:                len = 1;
                   1823:                break;
1.45      kristaps 1824:        }
                   1825:
                   1826:        if (0 == len)
                   1827:                term_newln(p);
                   1828:        for (i = 0; i < len; i++)
                   1829:                term_vspace(p);
                   1830:
                   1831:        return(0);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static int
1.1       kristaps 1837: termp_brq_pre(DECL_ARGS)
                   1838: {
                   1839:
1.86      kristaps 1840:        if (MDOC_BODY != n->type)
1.1       kristaps 1841:                return(1);
                   1842:        term_word(p, "\\(lC");
                   1843:        p->flags |= TERMP_NOSPACE;
                   1844:        return(1);
                   1845: }
                   1846:
                   1847:
                   1848: /* ARGSUSED */
                   1849: static void
                   1850: termp_brq_post(DECL_ARGS)
                   1851: {
                   1852:
1.86      kristaps 1853:        if (MDOC_BODY != n->type)
1.1       kristaps 1854:                return;
                   1855:        p->flags |= TERMP_NOSPACE;
                   1856:        term_word(p, "\\(rC");
                   1857: }
                   1858:
                   1859:
                   1860: /* ARGSUSED */
                   1861: static int
                   1862: termp_bq_pre(DECL_ARGS)
                   1863: {
                   1864:
1.86      kristaps 1865:        if (MDOC_BODY != n->type)
1.1       kristaps 1866:                return(1);
                   1867:        term_word(p, "\\(lB");
                   1868:        p->flags |= TERMP_NOSPACE;
                   1869:        return(1);
                   1870: }
                   1871:
                   1872:
                   1873: /* ARGSUSED */
                   1874: static void
                   1875: termp_bq_post(DECL_ARGS)
                   1876: {
                   1877:
1.86      kristaps 1878:        if (MDOC_BODY != n->type)
1.1       kristaps 1879:                return;
                   1880:        p->flags |= TERMP_NOSPACE;
                   1881:        term_word(p, "\\(rB");
                   1882: }
                   1883:
                   1884:
                   1885: /* ARGSUSED */
                   1886: static int
                   1887: termp_pq_pre(DECL_ARGS)
                   1888: {
                   1889:
1.86      kristaps 1890:        if (MDOC_BODY != n->type)
1.1       kristaps 1891:                return(1);
                   1892:        term_word(p, "\\&(");
                   1893:        p->flags |= TERMP_NOSPACE;
                   1894:        return(1);
                   1895: }
                   1896:
                   1897:
                   1898: /* ARGSUSED */
                   1899: static void
                   1900: termp_pq_post(DECL_ARGS)
                   1901: {
                   1902:
1.86      kristaps 1903:        if (MDOC_BODY != n->type)
1.1       kristaps 1904:                return;
                   1905:        term_word(p, ")");
                   1906: }
                   1907:
                   1908:
                   1909: /* ARGSUSED */
                   1910: static int
                   1911: termp_fo_pre(DECL_ARGS)
                   1912: {
1.86      kristaps 1913:        const struct mdoc_node *nn;
1.1       kristaps 1914:
1.86      kristaps 1915:        if (MDOC_BODY == n->type) {
1.33      kristaps 1916:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1917:                term_word(p, "(");
                   1918:                p->flags |= TERMP_NOSPACE;
                   1919:                return(1);
1.86      kristaps 1920:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1921:                return(1);
                   1922:
1.102     kristaps 1923:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1924:        for (nn = n->child; nn; nn = nn->next) {
                   1925:                assert(MDOC_TEXT == nn->type);
                   1926:                term_word(p, nn->string);
1.1       kristaps 1927:        }
1.102     kristaps 1928:        term_fontpop(p);
1.1       kristaps 1929:
                   1930:        return(0);
                   1931: }
                   1932:
                   1933:
                   1934: /* ARGSUSED */
                   1935: static void
                   1936: termp_fo_post(DECL_ARGS)
                   1937: {
                   1938:
1.86      kristaps 1939:        if (MDOC_BODY != n->type)
1.1       kristaps 1940:                return;
                   1941:        p->flags |= TERMP_NOSPACE;
                   1942:        term_word(p, ")");
                   1943:        p->flags |= TERMP_NOSPACE;
                   1944:        term_word(p, ";");
                   1945:        term_newln(p);
                   1946: }
                   1947:
                   1948:
                   1949: /* ARGSUSED */
                   1950: static int
                   1951: termp_bf_pre(DECL_ARGS)
                   1952: {
1.86      kristaps 1953:        const struct mdoc_node  *nn;
1.1       kristaps 1954:
1.86      kristaps 1955:        if (MDOC_HEAD == n->type)
1.1       kristaps 1956:                return(0);
1.86      kristaps 1957:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 1958:                return(1);
                   1959:
1.86      kristaps 1960:        if (NULL == (nn = n->head->child)) {
                   1961:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 1962:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1963:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 1964:                        term_fontpush(p, TERMFONT_BOLD);
                   1965:                else
                   1966:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1967:
                   1968:                return(1);
                   1969:        }
                   1970:
1.86      kristaps 1971:        assert(MDOC_TEXT == nn->type);
                   1972:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 1973:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1974:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 1975:                term_fontpush(p, TERMFONT_BOLD);
                   1976:        else
                   1977:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1978:
                   1979:        return(1);
                   1980: }
                   1981:
                   1982:
                   1983: /* ARGSUSED */
                   1984: static int
                   1985: termp_sm_pre(DECL_ARGS)
                   1986: {
                   1987:
1.86      kristaps 1988:        assert(n->child && MDOC_TEXT == n->child->type);
                   1989:        if (0 == strcmp("on", n->child->string)) {
1.1       kristaps 1990:                p->flags &= ~TERMP_NONOSPACE;
                   1991:                p->flags &= ~TERMP_NOSPACE;
                   1992:        } else
                   1993:                p->flags |= TERMP_NONOSPACE;
                   1994:
                   1995:        return(0);
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static int
                   2001: termp_ap_pre(DECL_ARGS)
                   2002: {
                   2003:
                   2004:        p->flags |= TERMP_NOSPACE;
                   2005:        term_word(p, "\\(aq");
                   2006:        p->flags |= TERMP_NOSPACE;
                   2007:        return(1);
                   2008: }
                   2009:
                   2010:
                   2011: /* ARGSUSED */
                   2012: static void
                   2013: termp____post(DECL_ARGS)
                   2014: {
                   2015:
1.95      kristaps 2016:        /* TODO: %U. */
                   2017:
1.1       kristaps 2018:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2019:        switch (n->tok) {
1.84      kristaps 2020:        case (MDOC__T):
                   2021:                term_word(p, "\\(rq");
                   2022:                p->flags |= TERMP_NOSPACE;
                   2023:                break;
                   2024:        default:
                   2025:                break;
                   2026:        }
1.86      kristaps 2027:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2028: }
                   2029:
                   2030:
                   2031: /* ARGSUSED */
                   2032: static int
1.102     kristaps 2033: termp_li_pre(DECL_ARGS)
                   2034: {
                   2035:
                   2036:        term_fontpush(p, TERMFONT_NONE);
                   2037:        return(1);
                   2038: }
                   2039:
                   2040:
                   2041: /* ARGSUSED */
                   2042: static int
1.1       kristaps 2043: termp_lk_pre(DECL_ARGS)
                   2044: {
1.86      kristaps 2045:        const struct mdoc_node *nn;
1.1       kristaps 2046:
1.102     kristaps 2047:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2048:        nn = n->child;
                   2049:
                   2050:        if (NULL == nn->next)
1.12      kristaps 2051:                return(1);
                   2052:
1.86      kristaps 2053:        term_word(p, nn->string);
1.102     kristaps 2054:        term_fontpop(p);
1.96      kristaps 2055:
1.1       kristaps 2056:        p->flags |= TERMP_NOSPACE;
                   2057:        term_word(p, ":");
                   2058:
1.102     kristaps 2059:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2060:        for (nn = nn->next; nn; nn = nn->next)
                   2061:                term_word(p, nn->string);
1.102     kristaps 2062:        term_fontpop(p);
1.12      kristaps 2063:
1.1       kristaps 2064:        return(0);
                   2065: }
                   2066:
                   2067:
                   2068: /* ARGSUSED */
                   2069: static int
1.69      kristaps 2070: termp_under_pre(DECL_ARGS)
1.1       kristaps 2071: {
                   2072:
1.102     kristaps 2073:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2074:        return(1);
                   2075: }
1.83      kristaps 2076:
1.84      kristaps 2077:
                   2078: /* ARGSUSED */
                   2079: static int
                   2080: termp__t_pre(DECL_ARGS)
                   2081: {
                   2082:
                   2083:        term_word(p, "\\(lq");
                   2084:        p->flags |= TERMP_NOSPACE;
                   2085:        return(1);
                   2086: }

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