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Annotation of mandoc/mdoc_term.c, Revision 1.112

1.112   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.111 2010/03/23 12:42:22 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:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
                     25: #include <stdio.h>
                     26: #include <stdlib.h>
                     27: #include <string.h>
                     28:
1.92      kristaps   29: #include "out.h"
1.1       kristaps   30: #include "term.h"
                     31: #include "mdoc.h"
1.89      kristaps   32: #include "chars.h"
                     33: #include "main.h"
1.1       kristaps   34:
1.66      kristaps   35: #define        INDENT            5
                     36: #define        HALFINDENT        3
                     37:
1.1       kristaps   38: struct termpair {
                     39:        struct termpair  *ppair;
1.31      kristaps   40:        int               count;
1.1       kristaps   41: };
                     42:
1.31      kristaps   43: #define        DECL_ARGS struct termp *p, \
                     44:                  struct termpair *pair, \
1.86      kristaps   45:                  const struct mdoc_meta *m, \
                     46:                  const struct mdoc_node *n
1.1       kristaps   47:
                     48: struct termact {
                     49:        int     (*pre)(DECL_ARGS);
                     50:        void    (*post)(DECL_ARGS);
                     51: };
                     52:
1.96      kristaps   53: static size_t    a2width(const struct mdoc_argv *, int);
                     54: static size_t    a2height(const struct mdoc_node *);
                     55: static size_t    a2offs(const struct mdoc_argv *);
                     56:
                     57: static int       arg_hasattr(int, const struct mdoc_node *);
                     58: static int       arg_getattrs(const int *, int *, size_t,
                     59:                        const struct mdoc_node *);
                     60: static int       arg_getattr(int, const struct mdoc_node *);
                     61: static int       arg_listtype(const struct mdoc_node *);
                     62: static void      print_bvspace(struct termp *,
                     63:                        const struct mdoc_node *,
                     64:                        const struct mdoc_node *);
1.102     kristaps   65: static void      print_mdoc_node(DECL_ARGS);
                     66: static void      print_mdoc_head(DECL_ARGS);
                     67: static void      print_mdoc_nodelist(DECL_ARGS);
1.96      kristaps   68: static void      print_foot(DECL_ARGS);
                     69:
1.31      kristaps   70: static void      termp____post(DECL_ARGS);
1.61      kristaps   71: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_aq_post(DECL_ARGS);
                     73: static void      termp_bd_post(DECL_ARGS);
                     74: static void      termp_bl_post(DECL_ARGS);
                     75: static void      termp_bq_post(DECL_ARGS);
                     76: static void      termp_brq_post(DECL_ARGS);
                     77: static void      termp_bx_post(DECL_ARGS);
                     78: static void      termp_d1_post(DECL_ARGS);
                     79: static void      termp_dq_post(DECL_ARGS);
                     80: static void      termp_fd_post(DECL_ARGS);
                     81: static void      termp_fn_post(DECL_ARGS);
                     82: static void      termp_fo_post(DECL_ARGS);
                     83: static void      termp_ft_post(DECL_ARGS);
                     84: static void      termp_in_post(DECL_ARGS);
                     85: static void      termp_it_post(DECL_ARGS);
                     86: static void      termp_lb_post(DECL_ARGS);
                     87: static void      termp_op_post(DECL_ARGS);
                     88: static void      termp_pf_post(DECL_ARGS);
                     89: static void      termp_pq_post(DECL_ARGS);
                     90: static void      termp_qq_post(DECL_ARGS);
                     91: static void      termp_sh_post(DECL_ARGS);
                     92: static void      termp_sq_post(DECL_ARGS);
                     93: static void      termp_ss_post(DECL_ARGS);
                     94: static void      termp_vt_post(DECL_ARGS);
                     95:
1.84      kristaps   96: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   97: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   98: static int       termp_ap_pre(DECL_ARGS);
                     99: static int       termp_aq_pre(DECL_ARGS);
                    100: static int       termp_bd_pre(DECL_ARGS);
                    101: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  102: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  103: static int       termp_bq_pre(DECL_ARGS);
                    104: static int       termp_brq_pre(DECL_ARGS);
                    105: static int       termp_bt_pre(DECL_ARGS);
                    106: static int       termp_cd_pre(DECL_ARGS);
                    107: static int       termp_d1_pre(DECL_ARGS);
                    108: static int       termp_dq_pre(DECL_ARGS);
                    109: static int       termp_ex_pre(DECL_ARGS);
                    110: static int       termp_fa_pre(DECL_ARGS);
                    111: static int       termp_fl_pre(DECL_ARGS);
                    112: static int       termp_fn_pre(DECL_ARGS);
                    113: static int       termp_fo_pre(DECL_ARGS);
                    114: static int       termp_ft_pre(DECL_ARGS);
                    115: static int       termp_in_pre(DECL_ARGS);
                    116: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  117: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_lk_pre(DECL_ARGS);
                    119: static int       termp_nd_pre(DECL_ARGS);
                    120: static int       termp_nm_pre(DECL_ARGS);
                    121: static int       termp_ns_pre(DECL_ARGS);
                    122: static int       termp_op_pre(DECL_ARGS);
                    123: static int       termp_pf_pre(DECL_ARGS);
                    124: static int       termp_pq_pre(DECL_ARGS);
                    125: static int       termp_qq_pre(DECL_ARGS);
                    126: static int       termp_rs_pre(DECL_ARGS);
                    127: static int       termp_rv_pre(DECL_ARGS);
                    128: static int       termp_sh_pre(DECL_ARGS);
                    129: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  130: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  131: static int       termp_sq_pre(DECL_ARGS);
                    132: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  133: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  135: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_xr_pre(DECL_ARGS);
                    137: static int       termp_xx_pre(DECL_ARGS);
                    138:
1.70      kristaps  139: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  140:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  141:        { NULL, NULL }, /* Dd */
                    142:        { NULL, NULL }, /* Dt */
                    143:        { NULL, NULL }, /* Os */
                    144:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    145:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  146:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  147:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    148:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    149:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    150:        { NULL, NULL }, /* Ed */
                    151:        { NULL, termp_bl_post }, /* Bl */
                    152:        { NULL, NULL }, /* El */
                    153:        { termp_it_pre, termp_it_post }, /* It */
                    154:        { NULL, NULL }, /* Ad */
1.61      kristaps  155:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  156:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  157:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  158:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  159:        { NULL, NULL }, /* Dv */
                    160:        { NULL, NULL }, /* Er */
                    161:        { NULL, NULL }, /* Ev */
                    162:        { termp_ex_pre, NULL }, /* Ex */
                    163:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  164:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  165:        { termp_fl_pre, NULL }, /* Fl */
                    166:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    167:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  168:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  169:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  170:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  171:        { termp_nd_pre, NULL }, /* Nd */
                    172:        { termp_nm_pre, NULL }, /* Nm */
                    173:        { termp_op_pre, termp_op_post }, /* Op */
                    174:        { NULL, NULL }, /* Ot */
1.69      kristaps  175:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  176:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  177:        { NULL, NULL }, /* St */
1.69      kristaps  178:        { termp_under_pre, NULL }, /* Va */
1.110     kristaps  179:        { termp_vt_pre, termp_vt_post }, /* Vt */
1.1       kristaps  180:        { termp_xr_pre, NULL }, /* Xr */
                    181:        { NULL, termp____post }, /* %A */
1.84      kristaps  182:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  183:        { NULL, termp____post }, /* %D */
1.84      kristaps  184:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  185:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  186:        { NULL, termp____post }, /* %N */
                    187:        { NULL, termp____post }, /* %O */
                    188:        { NULL, termp____post }, /* %P */
                    189:        { NULL, termp____post }, /* %R */
1.84      kristaps  190:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  191:        { NULL, termp____post }, /* %V */
                    192:        { NULL, NULL }, /* Ac */
                    193:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    194:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  195:        { NULL, NULL }, /* At */
1.1       kristaps  196:        { NULL, NULL }, /* Bc */
                    197:        { termp_bf_pre, NULL }, /* Bf */
                    198:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  201:        { NULL, termp_bx_post }, /* Bx */
                    202:        { NULL, NULL }, /* Db */
                    203:        { NULL, NULL }, /* Dc */
                    204:        { termp_dq_pre, termp_dq_post }, /* Do */
                    205:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112   ! kristaps  206:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  207:        { NULL, NULL }, /* Ef */
1.69      kristaps  208:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  209:        { NULL, NULL }, /* Eo */
1.26      kristaps  210:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  211:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  212:        { NULL, NULL }, /* No */
                    213:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  214:        { termp_xx_pre, NULL }, /* Nx */
                    215:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  216:        { NULL, NULL }, /* Pc */
                    217:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    218:        { termp_pq_pre, termp_pq_post }, /* Po */
                    219:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    220:        { NULL, NULL }, /* Qc */
                    221:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    222:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    224:        { NULL, NULL }, /* Re */
                    225:        { termp_rs_pre, NULL }, /* Rs */
                    226:        { NULL, NULL }, /* Sc */
                    227:        { termp_sq_pre, termp_sq_post }, /* So */
                    228:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    229:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  230:        { termp_under_pre, NULL }, /* Sx */
                    231:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  232:        { NULL, NULL }, /* Tn */
1.26      kristaps  233:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  234:        { NULL, NULL }, /* Xc */
                    235:        { NULL, NULL }, /* Xo */
                    236:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    237:        { NULL, NULL }, /* Fc */
                    238:        { termp_op_pre, termp_op_post }, /* Oo */
                    239:        { NULL, NULL }, /* Oc */
                    240:        { NULL, NULL }, /* Bk */
                    241:        { NULL, NULL }, /* Ek */
                    242:        { termp_bt_pre, NULL }, /* Bt */
                    243:        { NULL, NULL }, /* Hf */
                    244:        { NULL, NULL }, /* Fr */
                    245:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  246:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  247:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  248:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  249:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  250:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    251:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    252:        { NULL, NULL }, /* Brc */
1.83      kristaps  253:        { NULL, termp____post }, /* %C */
1.81      kristaps  254:        { NULL, NULL }, /* Es */ /* TODO */
                    255:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  256:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  257:        { NULL, termp____post }, /* %Q */
1.76      kristaps  258:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  259:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  260:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  261: };
                    262:
                    263:
1.70      kristaps  264: void
1.89      kristaps  265: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  266: {
1.70      kristaps  267:        const struct mdoc_node  *n;
                    268:        const struct mdoc_meta  *m;
1.89      kristaps  269:        struct termp            *p;
                    270:
                    271:        p = (struct termp *)arg;
1.111     kristaps  272:
                    273:        p->overstep = 0;
                    274:        p->maxrmargin = 78;
1.89      kristaps  275:
                    276:        if (NULL == p->symtab)
                    277:                switch (p->enc) {
                    278:                case (TERMENC_ASCII):
                    279:                        p->symtab = chars_init(CHARS_ASCII);
                    280:                        break;
                    281:                default:
                    282:                        abort();
                    283:                        /* NOTREACHED */
                    284:                }
1.70      kristaps  285:
                    286:        n = mdoc_node(mdoc);
                    287:        m = mdoc_meta(mdoc);
                    288:
1.102     kristaps  289:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  290:        if (n->child)
1.102     kristaps  291:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  292:        print_foot(p, NULL, m, n);
1.1       kristaps  293: }
                    294:
                    295:
1.3       kristaps  296: static void
1.102     kristaps  297: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  298: {
                    299:
1.102     kristaps  300:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  301:        if (n->next)
1.102     kristaps  302:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  303: }
                    304:
                    305:
1.70      kristaps  306: /* ARGSUSED */
1.3       kristaps  307: static void
1.102     kristaps  308: print_mdoc_node(DECL_ARGS)
1.1       kristaps  309: {
1.102     kristaps  310:        int              chld;
                    311:        const void      *font;
1.1       kristaps  312:        struct termpair  npair;
1.30      kristaps  313:        size_t           offset, rmargin;
1.1       kristaps  314:
1.70      kristaps  315:        chld = 1;
1.29      kristaps  316:        offset = p->offset;
1.30      kristaps  317:        rmargin = p->rmargin;
1.102     kristaps  318:        font = term_fontq(p);
1.29      kristaps  319:
1.97      kristaps  320:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  321:        npair.ppair = pair;
1.46      kristaps  322:
1.86      kristaps  323:        if (MDOC_TEXT != n->type) {
                    324:                if (termacts[n->tok].pre)
                    325:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  326:        } else
1.86      kristaps  327:                term_word(p, n->string);
1.102     kristaps  328:
1.86      kristaps  329:        if (chld && n->child)
1.102     kristaps  330:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  331:
1.102     kristaps  332:        term_fontpopq(p, font);
1.46      kristaps  333:
1.86      kristaps  334:        if (MDOC_TEXT != n->type)
                    335:                if (termacts[n->tok].post)
                    336:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.29      kristaps  337:
                    338:        p->offset = offset;
1.30      kristaps  339:        p->rmargin = rmargin;
1.1       kristaps  340: }
                    341:
                    342:
1.70      kristaps  343: /* ARGSUSED */
1.3       kristaps  344: static void
1.70      kristaps  345: print_foot(DECL_ARGS)
1.1       kristaps  346: {
1.98      kristaps  347:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  348:
1.102     kristaps  349:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  350:
1.9       kristaps  351:        /*
                    352:         * Output the footer in new-groff style, that is, three columns
                    353:         * with the middle being the manual date and flanking columns
                    354:         * being the operating system:
                    355:         *
                    356:         * SYSTEM                  DATE                    SYSTEM
                    357:         */
                    358:
1.94      kristaps  359:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  360:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  361:
                    362:        term_vspace(p);
                    363:
1.9       kristaps  364:        p->offset = 0;
                    365:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  366:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    367:
                    368:        term_word(p, os);
                    369:        term_flushln(p);
                    370:
1.9       kristaps  371:        p->offset = p->rmargin;
                    372:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  373:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  374:
                    375:        term_word(p, buf);
                    376:        term_flushln(p);
                    377:
1.1       kristaps  378:        p->offset = p->rmargin;
                    379:        p->rmargin = p->maxrmargin;
                    380:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  381:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  382:
1.9       kristaps  383:        term_word(p, os);
1.1       kristaps  384:        term_flushln(p);
                    385:
1.9       kristaps  386:        p->offset = 0;
                    387:        p->rmargin = p->maxrmargin;
                    388:        p->flags = 0;
1.1       kristaps  389: }
                    390:
                    391:
1.70      kristaps  392: /* ARGSUSED */
1.3       kristaps  393: static void
1.102     kristaps  394: print_mdoc_head(DECL_ARGS)
1.1       kristaps  395: {
1.98      kristaps  396:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  397:
                    398:        p->rmargin = p->maxrmargin;
                    399:        p->offset = 0;
                    400:
                    401:        /*
                    402:         * The header is strange.  It has three components, which are
                    403:         * really two with the first duplicated.  It goes like this:
                    404:         *
                    405:         * IDENTIFIER              TITLE                   IDENTIFIER
                    406:         *
                    407:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    408:         * (if given, or "unknown" if not) followed by the manual page
                    409:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    410:         * string depending on the manual volume.  If not specified, it
                    411:         * switches on the manual section.
                    412:         */
                    413:
1.86      kristaps  414:        assert(m->vol);
1.98      kristaps  415:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  416:
1.86      kristaps  417:        if (m->arch) {
1.98      kristaps  418:                strlcat(buf, " (", BUFSIZ);
                    419:                strlcat(buf, m->arch, BUFSIZ);
                    420:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  421:        }
                    422:
1.98      kristaps  423:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  424:
                    425:        p->offset = 0;
1.8       kristaps  426:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  427:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    428:
                    429:        term_word(p, title);
                    430:        term_flushln(p);
                    431:
                    432:        p->offset = p->rmargin;
                    433:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  434:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  435:
                    436:        term_word(p, buf);
                    437:        term_flushln(p);
                    438:
                    439:        p->offset = p->rmargin;
                    440:        p->rmargin = p->maxrmargin;
                    441:        p->flags &= ~TERMP_NOBREAK;
                    442:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    443:
                    444:        term_word(p, title);
                    445:        term_flushln(p);
                    446:
1.9       kristaps  447:        p->offset = 0;
1.1       kristaps  448:        p->rmargin = p->maxrmargin;
                    449:        p->flags &= ~TERMP_NOSPACE;
                    450: }
                    451:
                    452:
                    453: static size_t
1.96      kristaps  454: a2height(const struct mdoc_node *n)
1.1       kristaps  455: {
1.92      kristaps  456:        struct roffsu    su;
1.91      kristaps  457:
                    458:        assert(MDOC_TEXT == n->type);
                    459:        assert(n->string);
1.92      kristaps  460:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    461:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  462:
1.92      kristaps  463:        return(term_vspan(&su));
1.91      kristaps  464: }
1.1       kristaps  465:
1.40      kristaps  466:
1.91      kristaps  467: static size_t
1.96      kristaps  468: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  469: {
1.92      kristaps  470:        struct roffsu    su;
1.1       kristaps  471:
1.91      kristaps  472:        assert(arg->value[pos]);
1.92      kristaps  473:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  474:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  475:
1.108     kristaps  476:        return(term_hspan(&su));
1.1       kristaps  477: }
                    478:
                    479:
                    480: static int
                    481: arg_listtype(const struct mdoc_node *n)
                    482: {
                    483:        int              i, len;
                    484:
                    485:        assert(MDOC_BLOCK == n->type);
                    486:
                    487:        len = (int)(n->args ? n->args->argc : 0);
                    488:
                    489:        for (i = 0; i < len; i++)
                    490:                switch (n->args->argv[i].arg) {
                    491:                case (MDOC_Bullet):
                    492:                        /* FALLTHROUGH */
                    493:                case (MDOC_Dash):
                    494:                        /* FALLTHROUGH */
                    495:                case (MDOC_Enum):
                    496:                        /* FALLTHROUGH */
                    497:                case (MDOC_Hyphen):
                    498:                        /* FALLTHROUGH */
                    499:                case (MDOC_Tag):
                    500:                        /* FALLTHROUGH */
                    501:                case (MDOC_Inset):
                    502:                        /* FALLTHROUGH */
                    503:                case (MDOC_Diag):
                    504:                        /* FALLTHROUGH */
                    505:                case (MDOC_Item):
                    506:                        /* FALLTHROUGH */
                    507:                case (MDOC_Column):
                    508:                        /* FALLTHROUGH */
1.38      kristaps  509:                case (MDOC_Hang):
                    510:                        /* FALLTHROUGH */
1.1       kristaps  511:                case (MDOC_Ohang):
                    512:                        return(n->args->argv[i].arg);
                    513:                default:
                    514:                        break;
                    515:                }
                    516:
1.38      kristaps  517:        return(-1);
1.1       kristaps  518: }
                    519:
                    520:
                    521: static size_t
1.96      kristaps  522: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  523: {
1.92      kristaps  524:        struct roffsu    su;
1.1       kristaps  525:
1.91      kristaps  526:        if ('\0' == arg->value[0][0])
                    527:                return(0);
                    528:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  529:                return(0);
1.91      kristaps  530:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  531:                return(INDENT + 1);
1.91      kristaps  532:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  533:                return((INDENT + 1) * 2);
1.92      kristaps  534:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    535:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  536:
1.92      kristaps  537:        return(term_hspan(&su));
1.1       kristaps  538: }
                    539:
                    540:
1.108     kristaps  541: /*
                    542:  * Return 1 if an argument has a particular argument value or 0 if it
                    543:  * does not.  See arg_getattr().
                    544:  */
1.1       kristaps  545: static int
                    546: arg_hasattr(int arg, const struct mdoc_node *n)
                    547: {
                    548:
                    549:        return(-1 != arg_getattr(arg, n));
                    550: }
                    551:
                    552:
1.108     kristaps  553: /*
                    554:  * Get the index of an argument in a node's argument list or -1 if it
                    555:  * does not exist.  See arg_getattrs().
                    556:  */
1.1       kristaps  557: static int
                    558: arg_getattr(int v, const struct mdoc_node *n)
                    559: {
                    560:        int              val;
                    561:
                    562:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    563: }
                    564:
                    565:
1.108     kristaps  566: /*
                    567:  * Walk through the argument list for a node and fill an array "vals"
                    568:  * with the positions of the argument structures listed in "keys".
                    569:  * Return the number of elements that were written into "vals", which
                    570:  * can be zero.
                    571:  */
1.1       kristaps  572: static int
                    573: arg_getattrs(const int *keys, int *vals,
                    574:                size_t sz, const struct mdoc_node *n)
                    575: {
                    576:        int              i, j, k;
                    577:
                    578:        if (NULL == n->args)
                    579:                return(0);
                    580:
                    581:        for (k = i = 0; i < (int)n->args->argc; i++)
                    582:                for (j = 0; j < (int)sz; j++)
                    583:                        if (n->args->argv[i].arg == keys[j]) {
                    584:                                vals[j] = i;
                    585:                                k++;
                    586:                        }
                    587:        return(k);
                    588: }
                    589:
                    590:
1.108     kristaps  591: /*
                    592:  * Determine how much space to print out before block elements of `It'
                    593:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    594:  * too.
                    595:  */
1.54      kristaps  596: static void
1.91      kristaps  597: print_bvspace(struct termp *p,
1.1       kristaps  598:                const struct mdoc_node *bl,
1.86      kristaps  599:                const struct mdoc_node *n)
1.1       kristaps  600: {
1.86      kristaps  601:        const struct mdoc_node  *nn;
1.1       kristaps  602:
                    603:        term_newln(p);
1.85      kristaps  604:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  605:                return;
                    606:
1.85      kristaps  607:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  608:
1.86      kristaps  609:        for (nn = n; nn; nn = nn->parent) {
                    610:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  611:                        continue;
1.86      kristaps  612:                if (MDOC_Ss == nn->tok)
1.54      kristaps  613:                        return;
1.86      kristaps  614:                if (MDOC_Sh == nn->tok)
1.54      kristaps  615:                        return;
1.86      kristaps  616:                if (NULL == nn->prev)
1.1       kristaps  617:                        continue;
                    618:                break;
                    619:        }
                    620:
1.85      kristaps  621:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  622:
1.59      kristaps  623:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  624:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  625:                        return;
                    626:
1.85      kristaps  627:        /* A `-diag' without body does not vspace. */
                    628:
1.59      kristaps  629:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  630:                if (n->prev && MDOC_It == n->prev->tok) {
                    631:                        assert(n->prev->body);
                    632:                        if (NULL == n->prev->body->child)
1.55      kristaps  633:                                return;
                    634:                }
                    635:
1.54      kristaps  636:        term_vspace(p);
1.1       kristaps  637: }
                    638:
                    639:
                    640: /* ARGSUSED */
                    641: static int
                    642: termp_dq_pre(DECL_ARGS)
                    643: {
                    644:
1.86      kristaps  645:        if (MDOC_BODY != n->type)
1.1       kristaps  646:                return(1);
                    647:
                    648:        term_word(p, "\\(lq");
                    649:        p->flags |= TERMP_NOSPACE;
                    650:        return(1);
                    651: }
                    652:
                    653:
                    654: /* ARGSUSED */
                    655: static void
                    656: termp_dq_post(DECL_ARGS)
                    657: {
                    658:
1.86      kristaps  659:        if (MDOC_BODY != n->type)
1.1       kristaps  660:                return;
                    661:
                    662:        p->flags |= TERMP_NOSPACE;
                    663:        term_word(p, "\\(rq");
                    664: }
                    665:
                    666:
                    667: /* ARGSUSED */
                    668: static int
                    669: termp_it_pre(DECL_ARGS)
                    670: {
1.86      kristaps  671:        const struct mdoc_node *bl, *nn;
1.1       kristaps  672:        char                    buf[7];
1.39      kristaps  673:        int                     i, type, keys[3], vals[3];
1.108     kristaps  674:        size_t                  width, offset, ncols, dcol;
1.1       kristaps  675:
1.86      kristaps  676:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  677:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  678:                return(1);
                    679:        }
1.1       kristaps  680:
1.86      kristaps  681:        bl = n->parent->parent->parent;
1.1       kristaps  682:
1.108     kristaps  683:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  684:
                    685:        keys[0] = MDOC_Width;
                    686:        keys[1] = MDOC_Offset;
                    687:        keys[2] = MDOC_Column;
                    688:
                    689:        vals[0] = vals[1] = vals[2] = -1;
                    690:
1.108     kristaps  691:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  692:
                    693:        type = arg_listtype(bl);
1.38      kristaps  694:        assert(-1 != type);
1.1       kristaps  695:
1.108     kristaps  696:        /*
                    697:         * First calculate width and offset.  This is pretty easy unless
                    698:         * we're a -column list, in which case all prior columns must
                    699:         * be accounted for.
                    700:         */
                    701:
                    702:        width = offset = 0;
                    703:
1.105     kristaps  704:        if (vals[1] >= 0)
                    705:                offset = a2offs(&bl->args->argv[vals[1]]);
                    706:
1.1       kristaps  707:        switch (type) {
                    708:        case (MDOC_Column):
1.86      kristaps  709:                if (MDOC_BODY == n->type)
1.1       kristaps  710:                        break;
1.105     kristaps  711:                /*
1.108     kristaps  712:                 * Imitate groff's column handling:
                    713:                 * - For each earlier column, add its width.
                    714:                 * - For less than 5 columns, add four more blanks per
                    715:                 *   column.
                    716:                 * - For exactly 5 columns, add three more blank per
                    717:                 *   column.
                    718:                 * - For more than 5 columns, add only one column.
1.105     kristaps  719:                 */
                    720:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  721:                /* LINTED */
                    722:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    723:
                    724:                for (i = 0, nn = n->prev;
                    725:                                nn && i < (int)ncols;
                    726:                                nn = nn->prev, i++)
                    727:                        offset += dcol + a2width
                    728:                                (&bl->args->argv[vals[2]], i);
                    729:
1.105     kristaps  730:
                    731:                /*
1.108     kristaps  732:                 * When exceeding the declared number of columns, leave
                    733:                 * the remaining widths at 0.  This will later be
                    734:                 * adjusted to the default width of 10, or, for the last
                    735:                 * column, stretched to the right margin.
1.58      kristaps  736:                 */
1.108     kristaps  737:                if (i >= (int)ncols)
                    738:                        break;
1.58      kristaps  739:
1.105     kristaps  740:                /*
1.108     kristaps  741:                 * Use the declared column widths, extended as explained
                    742:                 * in the preceding paragraph.
1.105     kristaps  743:                 */
1.108     kristaps  744:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  745:                break;
                    746:        default:
1.108     kristaps  747:                if (vals[0] < 0)
                    748:                        break;
                    749:
                    750:                /*
                    751:                 * Note: buffer the width by 2, which is groff's magic
                    752:                 * number for buffering single arguments.  See the above
                    753:                 * handling for column for how this changes.
                    754:                 */
                    755:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  756:                break;
                    757:        }
                    758:
                    759:        /*
                    760:         * List-type can override the width in the case of fixed-head
                    761:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  762:         * offset.
1.1       kristaps  763:         */
                    764:
                    765:        switch (type) {
                    766:        case (MDOC_Bullet):
                    767:                /* FALLTHROUGH */
                    768:        case (MDOC_Dash):
                    769:                /* FALLTHROUGH */
                    770:        case (MDOC_Hyphen):
                    771:                if (width < 4)
                    772:                        width = 4;
                    773:                break;
1.17      kristaps  774:        case (MDOC_Enum):
                    775:                if (width < 5)
                    776:                        width = 5;
                    777:                break;
1.38      kristaps  778:        case (MDOC_Hang):
1.39      kristaps  779:                if (0 == width)
                    780:                        width = 8;
                    781:                break;
1.49      kristaps  782:        case (MDOC_Column):
                    783:                /* FALLTHROUGH */
1.1       kristaps  784:        case (MDOC_Tag):
                    785:                if (0 == width)
                    786:                        width = 10;
                    787:                break;
                    788:        default:
                    789:                break;
                    790:        }
                    791:
                    792:        /*
1.17      kristaps  793:         * Whitespace control.  Inset bodies need an initial space,
                    794:         * while diagonal bodies need two.
1.1       kristaps  795:         */
                    796:
1.51      kristaps  797:        p->flags |= TERMP_NOSPACE;
                    798:
1.1       kristaps  799:        switch (type) {
1.51      kristaps  800:        case (MDOC_Diag):
1.86      kristaps  801:                if (MDOC_BODY == n->type)
1.62      kristaps  802:                        term_word(p, "\\ \\ ");
1.51      kristaps  803:                break;
1.1       kristaps  804:        case (MDOC_Inset):
1.86      kristaps  805:                if (MDOC_BODY == n->type)
1.51      kristaps  806:                        term_word(p, "\\ ");
1.1       kristaps  807:                break;
                    808:        default:
                    809:                break;
                    810:        }
                    811:
1.51      kristaps  812:        p->flags |= TERMP_NOSPACE;
                    813:
1.1       kristaps  814:        switch (type) {
                    815:        case (MDOC_Diag):
1.86      kristaps  816:                if (MDOC_HEAD == n->type)
1.102     kristaps  817:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  818:                break;
                    819:        default:
                    820:                break;
                    821:        }
                    822:
                    823:        /*
1.109     kristaps  824:         * Pad and break control.  This is the tricky part.  These flags
                    825:         * are documented in term_flushln() in term.c.  Note that we're
                    826:         * going to unset all of these flags in termp_it_post() when we
                    827:         * exit.
1.1       kristaps  828:         */
                    829:
                    830:        switch (type) {
                    831:        case (MDOC_Bullet):
                    832:                /* FALLTHROUGH */
                    833:        case (MDOC_Dash):
                    834:                /* FALLTHROUGH */
                    835:        case (MDOC_Enum):
                    836:                /* FALLTHROUGH */
                    837:        case (MDOC_Hyphen):
1.86      kristaps  838:                if (MDOC_HEAD == n->type)
1.39      kristaps  839:                        p->flags |= TERMP_NOBREAK;
                    840:                else
                    841:                        p->flags |= TERMP_NOLPAD;
                    842:                break;
1.38      kristaps  843:        case (MDOC_Hang):
1.86      kristaps  844:                if (MDOC_HEAD == n->type)
1.39      kristaps  845:                        p->flags |= TERMP_NOBREAK;
                    846:                else
                    847:                        p->flags |= TERMP_NOLPAD;
                    848:
1.86      kristaps  849:                if (MDOC_HEAD != n->type)
1.59      kristaps  850:                        break;
                    851:
                    852:                /*
                    853:                 * This is ugly.  If `-hang' is specified and the body
                    854:                 * is a `Bl' or `Bd', then we want basically to nullify
                    855:                 * the "overstep" effect in term_flushln() and treat
                    856:                 * this as a `-ohang' list instead.
                    857:                 */
1.86      kristaps  858:                if (n->next->child &&
                    859:                                (MDOC_Bl == n->next->child->tok ||
                    860:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  861:                        p->flags &= ~TERMP_NOBREAK;
                    862:                        p->flags &= ~TERMP_NOLPAD;
                    863:                } else
1.39      kristaps  864:                        p->flags |= TERMP_HANG;
                    865:                break;
1.1       kristaps  866:        case (MDOC_Tag):
1.86      kristaps  867:                if (MDOC_HEAD == n->type)
1.51      kristaps  868:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  869:                else
                    870:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  871:
1.86      kristaps  872:                if (MDOC_HEAD != n->type)
1.39      kristaps  873:                        break;
1.86      kristaps  874:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  875:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  876:                break;
                    877:        case (MDOC_Column):
1.86      kristaps  878:                if (MDOC_HEAD == n->type) {
                    879:                        assert(n->next);
                    880:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  881:                                p->flags &= ~TERMP_NOBREAK;
                    882:                        else
                    883:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  884:                        if (n->prev)
1.1       kristaps  885:                                p->flags |= TERMP_NOLPAD;
                    886:                }
                    887:                break;
                    888:        case (MDOC_Diag):
1.86      kristaps  889:                if (MDOC_HEAD == n->type)
1.1       kristaps  890:                        p->flags |= TERMP_NOBREAK;
                    891:                break;
                    892:        default:
                    893:                break;
                    894:        }
                    895:
                    896:        /*
                    897:         * Margin control.  Set-head-width lists have their right
                    898:         * margins shortened.  The body for these lists has the offset
                    899:         * necessarily lengthened.  Everybody gets the offset.
                    900:         */
                    901:
                    902:        p->offset += offset;
                    903:
                    904:        switch (type) {
1.59      kristaps  905:        case (MDOC_Hang):
                    906:                /*
                    907:                 * Same stipulation as above, regarding `-hang'.  We
                    908:                 * don't want to recalculate rmargin and offsets when
                    909:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    910:                 */
1.86      kristaps  911:                if (MDOC_HEAD == n->type && n->next->child &&
                    912:                                (MDOC_Bl == n->next->child->tok ||
                    913:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  914:                        break;
                    915:                /* FALLTHROUGH */
1.1       kristaps  916:        case (MDOC_Bullet):
                    917:                /* FALLTHROUGH */
                    918:        case (MDOC_Dash):
                    919:                /* FALLTHROUGH */
                    920:        case (MDOC_Enum):
                    921:                /* FALLTHROUGH */
                    922:        case (MDOC_Hyphen):
                    923:                /* FALLTHROUGH */
                    924:        case (MDOC_Tag):
1.49      kristaps  925:                assert(width);
1.86      kristaps  926:                if (MDOC_HEAD == n->type)
1.1       kristaps  927:                        p->rmargin = p->offset + width;
                    928:                else
                    929:                        p->offset += width;
                    930:                break;
                    931:        case (MDOC_Column):
1.49      kristaps  932:                assert(width);
1.1       kristaps  933:                p->rmargin = p->offset + width;
1.50      kristaps  934:                /*
                    935:                 * XXX - this behaviour is not documented: the
                    936:                 * right-most column is filled to the right margin.
                    937:                 */
1.86      kristaps  938:                if (MDOC_HEAD == n->type &&
1.105     kristaps  939:                                MDOC_BODY == n->next->type &&
                    940:                                p->rmargin < p->maxrmargin)
1.50      kristaps  941:                        p->rmargin = p->maxrmargin;
1.1       kristaps  942:                break;
                    943:        default:
                    944:                break;
                    945:        }
                    946:
                    947:        /*
                    948:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  949:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  950:         */
                    951:
1.86      kristaps  952:        if (MDOC_HEAD == n->type)
1.1       kristaps  953:                switch (type) {
                    954:                case (MDOC_Bullet):
1.102     kristaps  955:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  956:                        term_word(p, "\\[bu]");
1.102     kristaps  957:                        term_fontpop(p);
1.1       kristaps  958:                        break;
                    959:                case (MDOC_Dash):
                    960:                        /* FALLTHROUGH */
                    961:                case (MDOC_Hyphen):
1.102     kristaps  962:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  963:                        term_word(p, "\\(hy");
1.102     kristaps  964:                        term_fontpop(p);
1.1       kristaps  965:                        break;
                    966:                case (MDOC_Enum):
                    967:                        (pair->ppair->ppair->count)++;
1.109     kristaps  968:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  969:                                        pair->ppair->ppair->count);
                    970:                        term_word(p, buf);
                    971:                        break;
                    972:                default:
                    973:                        break;
                    974:                }
                    975:
                    976:        /*
                    977:         * If we're not going to process our children, indicate so here.
                    978:         */
                    979:
                    980:        switch (type) {
                    981:        case (MDOC_Bullet):
                    982:                /* FALLTHROUGH */
                    983:        case (MDOC_Item):
                    984:                /* FALLTHROUGH */
                    985:        case (MDOC_Dash):
                    986:                /* FALLTHROUGH */
                    987:        case (MDOC_Hyphen):
                    988:                /* FALLTHROUGH */
                    989:        case (MDOC_Enum):
1.86      kristaps  990:                if (MDOC_HEAD == n->type)
1.1       kristaps  991:                        return(0);
                    992:                break;
                    993:        case (MDOC_Column):
1.86      kristaps  994:                if (MDOC_BODY == n->type)
1.1       kristaps  995:                        return(0);
                    996:                break;
                    997:        default:
                    998:                break;
                    999:        }
                   1000:
                   1001:        return(1);
                   1002: }
                   1003:
                   1004:
                   1005: /* ARGSUSED */
                   1006: static void
                   1007: termp_it_post(DECL_ARGS)
                   1008: {
                   1009:        int                type;
                   1010:
1.109     kristaps 1011:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1012:                return;
                   1013:
1.86      kristaps 1014:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps 1015:        assert(-1 != type);
1.1       kristaps 1016:
                   1017:        switch (type) {
                   1018:        case (MDOC_Item):
                   1019:                /* FALLTHROUGH */
1.53      kristaps 1020:        case (MDOC_Diag):
                   1021:                /* FALLTHROUGH */
1.1       kristaps 1022:        case (MDOC_Inset):
1.86      kristaps 1023:                if (MDOC_BODY == n->type)
1.1       kristaps 1024:                        term_flushln(p);
                   1025:                break;
                   1026:        case (MDOC_Column):
1.86      kristaps 1027:                if (MDOC_HEAD == n->type)
1.1       kristaps 1028:                        term_flushln(p);
                   1029:                break;
                   1030:        default:
                   1031:                term_flushln(p);
                   1032:                break;
                   1033:        }
                   1034:
1.109     kristaps 1035:        /*
                   1036:         * Now that our output is flushed, we can reset our tags.  Since
                   1037:         * only `It' sets these flags, we're free to assume that nobody
                   1038:         * has munged them in the meanwhile.
                   1039:         */
                   1040:
                   1041:        p->flags &= ~TERMP_DANGLE;
                   1042:        p->flags &= ~TERMP_NOBREAK;
                   1043:        p->flags &= ~TERMP_TWOSPACE;
                   1044:        p->flags &= ~TERMP_NOLPAD;
                   1045:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1046: }
                   1047:
                   1048:
                   1049: /* ARGSUSED */
                   1050: static int
                   1051: termp_nm_pre(DECL_ARGS)
                   1052: {
                   1053:
1.86      kristaps 1054:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1055:                term_newln(p);
1.102     kristaps 1056:
                   1057:        term_fontpush(p, TERMFONT_BOLD);
                   1058:
1.86      kristaps 1059:        if (NULL == n->child)
                   1060:                term_word(p, m->name);
1.1       kristaps 1061:        return(1);
                   1062: }
                   1063:
                   1064:
                   1065: /* ARGSUSED */
                   1066: static int
                   1067: termp_fl_pre(DECL_ARGS)
                   1068: {
                   1069:
1.102     kristaps 1070:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1071:        term_word(p, "\\-");
1.103     kristaps 1072:
                   1073:        /* A blank `Fl' should incur a subsequent space. */
                   1074:
                   1075:        if (n->child)
                   1076:                p->flags |= TERMP_NOSPACE;
                   1077:
1.1       kristaps 1078:        return(1);
                   1079: }
                   1080:
                   1081:
                   1082: /* ARGSUSED */
                   1083: static int
1.61      kristaps 1084: termp_an_pre(DECL_ARGS)
                   1085: {
                   1086:
1.86      kristaps 1087:        if (NULL == n->child)
1.61      kristaps 1088:                return(1);
                   1089:
                   1090:        /*
1.85      kristaps 1091:         * If not in the AUTHORS section, `An -split' will cause
                   1092:         * newlines to occur before the author name.  If in the AUTHORS
                   1093:         * section, by default, the first `An' invocation is nosplit,
                   1094:         * then all subsequent ones, regardless of whether interspersed
                   1095:         * with other macros/text, are split.  -split, in this case,
                   1096:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1097:         */
                   1098:
1.86      kristaps 1099:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1100:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1101:                        if (TERMP_SPLIT & p->flags)
                   1102:                                term_newln(p);
                   1103:                        return(1);
                   1104:                }
                   1105:                if (TERMP_NOSPLIT & p->flags)
                   1106:                        return(1);
                   1107:                term_newln(p);
                   1108:                return(1);
                   1109:        }
                   1110:
                   1111:        if (TERMP_SPLIT & p->flags)
                   1112:                term_newln(p);
                   1113:
                   1114:        return(1);
                   1115: }
                   1116:
                   1117:
                   1118: /* ARGSUSED */
                   1119: static void
                   1120: termp_an_post(DECL_ARGS)
                   1121: {
                   1122:
1.86      kristaps 1123:        if (n->child) {
                   1124:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1125:                        p->flags |= TERMP_ANPREC;
                   1126:                return;
                   1127:        }
                   1128:
1.86      kristaps 1129:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1130:                p->flags &= ~TERMP_NOSPLIT;
                   1131:                p->flags |= TERMP_SPLIT;
                   1132:        } else {
                   1133:                p->flags &= ~TERMP_SPLIT;
                   1134:                p->flags |= TERMP_NOSPLIT;
                   1135:        }
                   1136:
                   1137: }
                   1138:
                   1139:
                   1140: /* ARGSUSED */
                   1141: static int
1.1       kristaps 1142: termp_ns_pre(DECL_ARGS)
                   1143: {
                   1144:
                   1145:        p->flags |= TERMP_NOSPACE;
                   1146:        return(1);
                   1147: }
                   1148:
                   1149:
                   1150: /* ARGSUSED */
                   1151: static int
                   1152: termp_rs_pre(DECL_ARGS)
                   1153: {
                   1154:
1.86      kristaps 1155:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1156:                return(1);
1.86      kristaps 1157:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1158:                term_vspace(p);
                   1159:        return(1);
                   1160: }
                   1161:
                   1162:
                   1163: /* ARGSUSED */
                   1164: static int
                   1165: termp_rv_pre(DECL_ARGS)
                   1166: {
1.68      kristaps 1167:        const struct mdoc_node  *nn;
1.1       kristaps 1168:
                   1169:        term_newln(p);
                   1170:        term_word(p, "The");
                   1171:
1.86      kristaps 1172:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1173:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1174:                term_word(p, nn->string);
1.102     kristaps 1175:                term_fontpop(p);
1.68      kristaps 1176:                p->flags |= TERMP_NOSPACE;
                   1177:                if (nn->next && NULL == nn->next->next)
                   1178:                        term_word(p, "(), and");
                   1179:                else if (nn->next)
                   1180:                        term_word(p, "(),");
                   1181:                else
                   1182:                        term_word(p, "()");
                   1183:        }
                   1184:
1.86      kristaps 1185:        if (n->child->next)
1.68      kristaps 1186:                term_word(p, "functions return");
                   1187:        else
                   1188:                term_word(p, "function returns");
1.1       kristaps 1189:
1.68      kristaps 1190:                term_word(p, "the value 0 if successful; otherwise the value "
                   1191:                        "-1 is returned and the global variable");
1.1       kristaps 1192:
1.102     kristaps 1193:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1194:        term_word(p, "errno");
1.102     kristaps 1195:        term_fontpop(p);
1.1       kristaps 1196:
                   1197:                term_word(p, "is set to indicate the error.");
                   1198:
1.68      kristaps 1199:        return(0);
1.1       kristaps 1200: }
                   1201:
                   1202:
                   1203: /* ARGSUSED */
                   1204: static int
                   1205: termp_ex_pre(DECL_ARGS)
                   1206: {
1.68      kristaps 1207:        const struct mdoc_node  *nn;
1.1       kristaps 1208:
1.68      kristaps 1209:        term_word(p, "The");
1.1       kristaps 1210:
1.86      kristaps 1211:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1212:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1213:                term_word(p, nn->string);
1.102     kristaps 1214:                term_fontpop(p);
1.68      kristaps 1215:                p->flags |= TERMP_NOSPACE;
                   1216:                if (nn->next && NULL == nn->next->next)
                   1217:                        term_word(p, ", and");
                   1218:                else if (nn->next)
                   1219:                        term_word(p, ",");
                   1220:                else
                   1221:                        p->flags &= ~TERMP_NOSPACE;
                   1222:        }
                   1223:
1.86      kristaps 1224:        if (n->child->next)
1.68      kristaps 1225:                term_word(p, "utilities exit");
                   1226:        else
                   1227:                term_word(p, "utility exits");
                   1228:
                   1229:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1230:
1.68      kristaps 1231:        return(0);
1.1       kristaps 1232: }
                   1233:
                   1234:
                   1235: /* ARGSUSED */
                   1236: static int
                   1237: termp_nd_pre(DECL_ARGS)
                   1238: {
1.25      kristaps 1239:
1.86      kristaps 1240:        if (MDOC_BODY != n->type)
1.25      kristaps 1241:                return(1);
1.30      kristaps 1242:
1.27      kristaps 1243: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1244:        term_word(p, "\\(en");
1.23      kristaps 1245: #else
                   1246:        term_word(p, "\\(em");
                   1247: #endif
1.1       kristaps 1248:        return(1);
                   1249: }
                   1250:
                   1251:
                   1252: /* ARGSUSED */
                   1253: static void
                   1254: termp_bl_post(DECL_ARGS)
                   1255: {
                   1256:
1.86      kristaps 1257:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1258:                term_newln(p);
                   1259: }
                   1260:
                   1261:
                   1262: /* ARGSUSED */
                   1263: static void
                   1264: termp_op_post(DECL_ARGS)
                   1265: {
                   1266:
1.86      kristaps 1267:        if (MDOC_BODY != n->type)
1.1       kristaps 1268:                return;
                   1269:        p->flags |= TERMP_NOSPACE;
                   1270:        term_word(p, "\\(rB");
                   1271: }
                   1272:
                   1273:
                   1274: /* ARGSUSED */
                   1275: static int
                   1276: termp_xr_pre(DECL_ARGS)
                   1277: {
1.86      kristaps 1278:        const struct mdoc_node *nn;
1.1       kristaps 1279:
1.86      kristaps 1280:        assert(n->child && MDOC_TEXT == n->child->type);
                   1281:        nn = n->child;
1.11      kristaps 1282:
1.86      kristaps 1283:        term_word(p, nn->string);
                   1284:        if (NULL == (nn = nn->next))
1.1       kristaps 1285:                return(0);
                   1286:        p->flags |= TERMP_NOSPACE;
                   1287:        term_word(p, "(");
                   1288:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1289:        term_word(p, nn->string);
1.1       kristaps 1290:        p->flags |= TERMP_NOSPACE;
                   1291:        term_word(p, ")");
1.86      kristaps 1292:
1.1       kristaps 1293:        return(0);
                   1294: }
                   1295:
                   1296:
1.110     kristaps 1297: static int
                   1298: termp_vt_pre(DECL_ARGS)
                   1299: {
                   1300:
                   1301:        if (MDOC_ELEM == n->type)
                   1302:                return(termp_under_pre(p, pair, m, n));
                   1303:        else if (MDOC_HEAD == n->type)
                   1304:                return(0);
                   1305:        else if (MDOC_BLOCK == n->type)
                   1306:                return(1);
                   1307:
                   1308:        return(termp_under_pre(p, pair, m, n));
                   1309: }
                   1310:
                   1311:
1.1       kristaps 1312: /* ARGSUSED */
                   1313: static void
                   1314: termp_vt_post(DECL_ARGS)
                   1315: {
                   1316:
1.110     kristaps 1317:        if (MDOC_BLOCK != n->type)
1.32      kristaps 1318:                return;
1.86      kristaps 1319:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1320:                term_newln(p);
1.86      kristaps 1321:        else if (n->next)
1.1       kristaps 1322:                term_vspace(p);
                   1323: }
                   1324:
                   1325:
                   1326: /* ARGSUSED */
                   1327: static int
1.69      kristaps 1328: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1329: {
                   1330:
1.102     kristaps 1331:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1332:        return(1);
                   1333: }
                   1334:
                   1335:
                   1336: /* ARGSUSED */
                   1337: static void
                   1338: termp_fd_post(DECL_ARGS)
                   1339: {
                   1340:
1.86      kristaps 1341:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1342:                return;
1.29      kristaps 1343:
1.1       kristaps 1344:        term_newln(p);
1.86      kristaps 1345:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1346:                term_vspace(p);
                   1347: }
                   1348:
                   1349:
                   1350: /* ARGSUSED */
                   1351: static int
                   1352: termp_sh_pre(DECL_ARGS)
                   1353: {
1.85      kristaps 1354:
                   1355:        /* No vspace between consecutive `Sh' calls. */
                   1356:
1.86      kristaps 1357:        switch (n->type) {
1.65      kristaps 1358:        case (MDOC_BLOCK):
1.86      kristaps 1359:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1360:                        if (NULL == n->prev->body->child)
1.65      kristaps 1361:                                break;
                   1362:                term_vspace(p);
                   1363:                break;
1.1       kristaps 1364:        case (MDOC_HEAD):
1.102     kristaps 1365:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1366:                break;
                   1367:        case (MDOC_BODY):
                   1368:                p->offset = INDENT;
                   1369:                break;
                   1370:        default:
                   1371:                break;
                   1372:        }
                   1373:        return(1);
                   1374: }
                   1375:
                   1376:
                   1377: /* ARGSUSED */
                   1378: static void
                   1379: termp_sh_post(DECL_ARGS)
                   1380: {
                   1381:
1.86      kristaps 1382:        switch (n->type) {
1.1       kristaps 1383:        case (MDOC_HEAD):
                   1384:                term_newln(p);
                   1385:                break;
                   1386:        case (MDOC_BODY):
                   1387:                term_newln(p);
                   1388:                p->offset = 0;
                   1389:                break;
                   1390:        default:
                   1391:                break;
                   1392:        }
                   1393: }
                   1394:
                   1395:
                   1396: /* ARGSUSED */
                   1397: static int
                   1398: termp_op_pre(DECL_ARGS)
                   1399: {
                   1400:
1.86      kristaps 1401:        switch (n->type) {
1.1       kristaps 1402:        case (MDOC_BODY):
                   1403:                term_word(p, "\\(lB");
                   1404:                p->flags |= TERMP_NOSPACE;
                   1405:                break;
                   1406:        default:
                   1407:                break;
                   1408:        }
                   1409:        return(1);
                   1410: }
                   1411:
                   1412:
                   1413: /* ARGSUSED */
                   1414: static int
                   1415: termp_bt_pre(DECL_ARGS)
                   1416: {
                   1417:
                   1418:        term_word(p, "is currently in beta test.");
1.81      kristaps 1419:        return(0);
1.1       kristaps 1420: }
                   1421:
                   1422:
                   1423: /* ARGSUSED */
                   1424: static void
                   1425: termp_lb_post(DECL_ARGS)
                   1426: {
                   1427:
1.86      kristaps 1428:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1429:                term_newln(p);
1.1       kristaps 1430: }
                   1431:
                   1432:
                   1433: /* ARGSUSED */
                   1434: static int
                   1435: termp_ud_pre(DECL_ARGS)
                   1436: {
                   1437:
                   1438:        term_word(p, "currently under development.");
1.86      kristaps 1439:        return(0);
1.1       kristaps 1440: }
                   1441:
                   1442:
                   1443: /* ARGSUSED */
                   1444: static int
                   1445: termp_d1_pre(DECL_ARGS)
                   1446: {
                   1447:
1.86      kristaps 1448:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1449:                return(1);
                   1450:        term_newln(p);
1.29      kristaps 1451:        p->offset += (INDENT + 1);
1.1       kristaps 1452:        return(1);
                   1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static void
                   1458: termp_d1_post(DECL_ARGS)
                   1459: {
                   1460:
1.86      kristaps 1461:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1462:                return;
                   1463:        term_newln(p);
                   1464: }
                   1465:
                   1466:
                   1467: /* ARGSUSED */
                   1468: static int
                   1469: termp_aq_pre(DECL_ARGS)
                   1470: {
                   1471:
1.86      kristaps 1472:        if (MDOC_BODY != n->type)
1.1       kristaps 1473:                return(1);
                   1474:        term_word(p, "\\(la");
                   1475:        p->flags |= TERMP_NOSPACE;
                   1476:        return(1);
                   1477: }
                   1478:
                   1479:
                   1480: /* ARGSUSED */
                   1481: static void
                   1482: termp_aq_post(DECL_ARGS)
                   1483: {
                   1484:
1.86      kristaps 1485:        if (MDOC_BODY != n->type)
1.1       kristaps 1486:                return;
                   1487:        p->flags |= TERMP_NOSPACE;
                   1488:        term_word(p, "\\(ra");
                   1489: }
                   1490:
                   1491:
                   1492: /* ARGSUSED */
                   1493: static int
                   1494: termp_ft_pre(DECL_ARGS)
                   1495: {
                   1496:
1.86      kristaps 1497:        if (SEC_SYNOPSIS == n->sec)
                   1498:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1499:                        term_vspace(p);
1.102     kristaps 1500:
                   1501:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1502:        return(1);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static void
                   1508: termp_ft_post(DECL_ARGS)
                   1509: {
                   1510:
1.86      kristaps 1511:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1512:                term_newln(p);
                   1513: }
                   1514:
                   1515:
                   1516: /* ARGSUSED */
                   1517: static int
                   1518: termp_fn_pre(DECL_ARGS)
                   1519: {
1.86      kristaps 1520:        const struct mdoc_node  *nn;
1.1       kristaps 1521:
1.102     kristaps 1522:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1523:        term_word(p, n->child->string);
1.102     kristaps 1524:        term_fontpop(p);
1.1       kristaps 1525:
                   1526:        p->flags |= TERMP_NOSPACE;
                   1527:        term_word(p, "(");
                   1528:
1.86      kristaps 1529:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1530:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1531:                term_word(p, nn->string);
1.102     kristaps 1532:                term_fontpop(p);
                   1533:
1.86      kristaps 1534:                if (nn->next)
1.1       kristaps 1535:                        term_word(p, ",");
                   1536:        }
                   1537:
                   1538:        term_word(p, ")");
                   1539:
1.86      kristaps 1540:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1541:                term_word(p, ";");
                   1542:
                   1543:        return(0);
                   1544: }
                   1545:
                   1546:
                   1547: /* ARGSUSED */
                   1548: static void
                   1549: termp_fn_post(DECL_ARGS)
                   1550: {
                   1551:
1.86      kristaps 1552:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1553:                term_vspace(p);
                   1554: }
                   1555:
                   1556:
                   1557: /* ARGSUSED */
                   1558: static int
                   1559: termp_fa_pre(DECL_ARGS)
                   1560: {
1.86      kristaps 1561:        const struct mdoc_node  *nn;
1.1       kristaps 1562:
1.86      kristaps 1563:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1564:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1565:                return(1);
                   1566:        }
                   1567:
1.86      kristaps 1568:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1569:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1570:                term_word(p, nn->string);
1.102     kristaps 1571:                term_fontpop(p);
                   1572:
1.86      kristaps 1573:                if (nn->next)
1.1       kristaps 1574:                        term_word(p, ",");
                   1575:        }
                   1576:
1.86      kristaps 1577:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1578:                term_word(p, ",");
                   1579:
                   1580:        return(0);
                   1581: }
                   1582:
                   1583:
                   1584: /* ARGSUSED */
                   1585: static int
                   1586: termp_bd_pre(DECL_ARGS)
                   1587: {
1.85      kristaps 1588:        int                      i, type;
                   1589:        const struct mdoc_node  *nn;
1.1       kristaps 1590:
1.86      kristaps 1591:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1592:                print_bvspace(p, n, n);
1.54      kristaps 1593:                return(1);
1.86      kristaps 1594:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1595:                return(1);
                   1596:
1.86      kristaps 1597:        nn = n->parent;
1.11      kristaps 1598:
1.85      kristaps 1599:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1600:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1601:                case (MDOC_Centred):
                   1602:                        /* FALLTHROUGH */
1.1       kristaps 1603:                case (MDOC_Ragged):
                   1604:                        /* FALLTHROUGH */
                   1605:                case (MDOC_Filled):
                   1606:                        /* FALLTHROUGH */
                   1607:                case (MDOC_Unfilled):
                   1608:                        /* FALLTHROUGH */
                   1609:                case (MDOC_Literal):
1.85      kristaps 1610:                        type = nn->args->argv[i].arg;
                   1611:                        break;
                   1612:                case (MDOC_Offset):
1.96      kristaps 1613:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1614:                        break;
                   1615:                default:
                   1616:                        break;
                   1617:                }
                   1618:        }
1.85      kristaps 1619:
                   1620:        /*
                   1621:         * If -ragged or -filled are specified, the block does nothing
                   1622:         * but change the indentation.  If -unfilled or -literal are
                   1623:         * specified, text is printed exactly as entered in the display:
                   1624:         * for macro lines, a newline is appended to the line.  Blank
                   1625:         * lines are allowed.
                   1626:         */
1.60      kristaps 1627:
                   1628:        assert(type > -1);
1.85      kristaps 1629:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1630:                return(1);
                   1631:
1.86      kristaps 1632:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1633:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1634:                print_mdoc_node(p, pair, m, nn);
1.85      kristaps 1635:                if (NULL == nn->next)
                   1636:                        continue;
                   1637:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1638:                        term_flushln(p);
1.87      kristaps 1639:                else if (NULL == nn->prev)
                   1640:                        term_flushln(p);
1.1       kristaps 1641:        }
                   1642:
                   1643:        return(0);
                   1644: }
                   1645:
                   1646:
                   1647: /* ARGSUSED */
                   1648: static void
                   1649: termp_bd_post(DECL_ARGS)
                   1650: {
                   1651:
1.86      kristaps 1652:        if (MDOC_BODY != n->type)
1.1       kristaps 1653:                return;
1.60      kristaps 1654:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1655:        term_flushln(p);
                   1656: }
                   1657:
                   1658:
                   1659: /* ARGSUSED */
                   1660: static int
                   1661: termp_qq_pre(DECL_ARGS)
                   1662: {
                   1663:
1.86      kristaps 1664:        if (MDOC_BODY != n->type)
1.1       kristaps 1665:                return(1);
                   1666:        term_word(p, "\"");
                   1667:        p->flags |= TERMP_NOSPACE;
                   1668:        return(1);
                   1669: }
                   1670:
                   1671:
                   1672: /* ARGSUSED */
                   1673: static void
                   1674: termp_qq_post(DECL_ARGS)
                   1675: {
                   1676:
1.86      kristaps 1677:        if (MDOC_BODY != n->type)
1.1       kristaps 1678:                return;
                   1679:        p->flags |= TERMP_NOSPACE;
                   1680:        term_word(p, "\"");
                   1681: }
                   1682:
                   1683:
                   1684: /* ARGSUSED */
                   1685: static void
                   1686: termp_bx_post(DECL_ARGS)
                   1687: {
                   1688:
1.86      kristaps 1689:        if (n->child)
1.1       kristaps 1690:                p->flags |= TERMP_NOSPACE;
                   1691:        term_word(p, "BSD");
                   1692: }
                   1693:
                   1694:
                   1695: /* ARGSUSED */
                   1696: static int
1.26      kristaps 1697: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1698: {
1.26      kristaps 1699:        const char      *pp;
1.1       kristaps 1700:
1.26      kristaps 1701:        pp = NULL;
1.86      kristaps 1702:        switch (n->tok) {
1.26      kristaps 1703:        case (MDOC_Bsx):
                   1704:                pp = "BSDI BSD/OS";
                   1705:                break;
                   1706:        case (MDOC_Dx):
1.100     kristaps 1707:                pp = "DragonFly";
1.26      kristaps 1708:                break;
                   1709:        case (MDOC_Fx):
                   1710:                pp = "FreeBSD";
                   1711:                break;
                   1712:        case (MDOC_Nx):
                   1713:                pp = "NetBSD";
                   1714:                break;
                   1715:        case (MDOC_Ox):
                   1716:                pp = "OpenBSD";
                   1717:                break;
                   1718:        case (MDOC_Ux):
                   1719:                pp = "UNIX";
                   1720:                break;
                   1721:        default:
                   1722:                break;
                   1723:        }
1.1       kristaps 1724:
1.26      kristaps 1725:        assert(pp);
                   1726:        term_word(p, pp);
1.1       kristaps 1727:        return(1);
                   1728: }
                   1729:
                   1730:
                   1731: /* ARGSUSED */
                   1732: static int
                   1733: termp_sq_pre(DECL_ARGS)
                   1734: {
                   1735:
1.86      kristaps 1736:        if (MDOC_BODY != n->type)
1.1       kristaps 1737:                return(1);
                   1738:        term_word(p, "\\(oq");
                   1739:        p->flags |= TERMP_NOSPACE;
                   1740:        return(1);
                   1741: }
                   1742:
                   1743:
                   1744: /* ARGSUSED */
                   1745: static void
                   1746: termp_sq_post(DECL_ARGS)
                   1747: {
                   1748:
1.86      kristaps 1749:        if (MDOC_BODY != n->type)
1.1       kristaps 1750:                return;
                   1751:        p->flags |= TERMP_NOSPACE;
                   1752:        term_word(p, "\\(aq");
                   1753: }
                   1754:
                   1755:
                   1756: /* ARGSUSED */
                   1757: static int
                   1758: termp_pf_pre(DECL_ARGS)
                   1759: {
                   1760:
                   1761:        p->flags |= TERMP_IGNDELIM;
                   1762:        return(1);
                   1763: }
                   1764:
                   1765:
                   1766: /* ARGSUSED */
                   1767: static void
                   1768: termp_pf_post(DECL_ARGS)
                   1769: {
                   1770:
                   1771:        p->flags &= ~TERMP_IGNDELIM;
                   1772:        p->flags |= TERMP_NOSPACE;
                   1773: }
                   1774:
                   1775:
                   1776: /* ARGSUSED */
                   1777: static int
                   1778: termp_ss_pre(DECL_ARGS)
                   1779: {
                   1780:
1.86      kristaps 1781:        switch (n->type) {
1.1       kristaps 1782:        case (MDOC_BLOCK):
                   1783:                term_newln(p);
1.86      kristaps 1784:                if (n->prev)
1.1       kristaps 1785:                        term_vspace(p);
                   1786:                break;
                   1787:        case (MDOC_HEAD):
1.102     kristaps 1788:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1789:                p->offset = HALFINDENT;
1.1       kristaps 1790:                break;
                   1791:        default:
                   1792:                break;
                   1793:        }
                   1794:
                   1795:        return(1);
                   1796: }
                   1797:
                   1798:
                   1799: /* ARGSUSED */
                   1800: static void
                   1801: termp_ss_post(DECL_ARGS)
                   1802: {
                   1803:
1.86      kristaps 1804:        if (MDOC_HEAD == n->type)
1.1       kristaps 1805:                term_newln(p);
                   1806: }
                   1807:
                   1808:
                   1809: /* ARGSUSED */
                   1810: static int
                   1811: termp_cd_pre(DECL_ARGS)
                   1812: {
                   1813:
1.102     kristaps 1814:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1815:        term_newln(p);
                   1816:        return(1);
                   1817: }
                   1818:
                   1819:
                   1820: /* ARGSUSED */
                   1821: static int
                   1822: termp_in_pre(DECL_ARGS)
                   1823: {
                   1824:
1.102     kristaps 1825:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1826:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1827:                term_word(p, "#include");
                   1828:
1.1       kristaps 1829:        term_word(p, "<");
                   1830:        p->flags |= TERMP_NOSPACE;
                   1831:        return(1);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static void
                   1837: termp_in_post(DECL_ARGS)
                   1838: {
                   1839:
1.102     kristaps 1840:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1841:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1842:        term_word(p, ">");
1.102     kristaps 1843:        term_fontpop(p);
1.1       kristaps 1844:
1.86      kristaps 1845:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1846:                return;
1.22      kristaps 1847:
                   1848:        term_newln(p);
                   1849:        /*
                   1850:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1851:         * the SYNOPSIS section, then it produces a single break after
                   1852:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1853:         * construction is rarely used, I think it's fine.
                   1854:         */
1.86      kristaps 1855:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1856:                term_vspace(p);
                   1857: }
                   1858:
                   1859:
                   1860: /* ARGSUSED */
                   1861: static int
1.45      kristaps 1862: termp_sp_pre(DECL_ARGS)
                   1863: {
1.91      kristaps 1864:        size_t           i, len;
1.45      kristaps 1865:
1.86      kristaps 1866:        switch (n->tok) {
1.76      kristaps 1867:        case (MDOC_sp):
1.96      kristaps 1868:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1869:                break;
                   1870:        case (MDOC_br):
                   1871:                len = 0;
                   1872:                break;
                   1873:        default:
                   1874:                len = 1;
                   1875:                break;
1.45      kristaps 1876:        }
                   1877:
                   1878:        if (0 == len)
                   1879:                term_newln(p);
                   1880:        for (i = 0; i < len; i++)
                   1881:                term_vspace(p);
                   1882:
                   1883:        return(0);
                   1884: }
                   1885:
                   1886:
                   1887: /* ARGSUSED */
                   1888: static int
1.1       kristaps 1889: termp_brq_pre(DECL_ARGS)
                   1890: {
                   1891:
1.86      kristaps 1892:        if (MDOC_BODY != n->type)
1.1       kristaps 1893:                return(1);
                   1894:        term_word(p, "\\(lC");
                   1895:        p->flags |= TERMP_NOSPACE;
                   1896:        return(1);
                   1897: }
                   1898:
                   1899:
                   1900: /* ARGSUSED */
                   1901: static void
                   1902: termp_brq_post(DECL_ARGS)
                   1903: {
                   1904:
1.86      kristaps 1905:        if (MDOC_BODY != n->type)
1.1       kristaps 1906:                return;
                   1907:        p->flags |= TERMP_NOSPACE;
                   1908:        term_word(p, "\\(rC");
                   1909: }
                   1910:
                   1911:
                   1912: /* ARGSUSED */
                   1913: static int
                   1914: termp_bq_pre(DECL_ARGS)
                   1915: {
                   1916:
1.86      kristaps 1917:        if (MDOC_BODY != n->type)
1.1       kristaps 1918:                return(1);
                   1919:        term_word(p, "\\(lB");
                   1920:        p->flags |= TERMP_NOSPACE;
                   1921:        return(1);
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static void
                   1927: termp_bq_post(DECL_ARGS)
                   1928: {
                   1929:
1.86      kristaps 1930:        if (MDOC_BODY != n->type)
1.1       kristaps 1931:                return;
                   1932:        p->flags |= TERMP_NOSPACE;
                   1933:        term_word(p, "\\(rB");
                   1934: }
                   1935:
                   1936:
                   1937: /* ARGSUSED */
                   1938: static int
                   1939: termp_pq_pre(DECL_ARGS)
                   1940: {
                   1941:
1.86      kristaps 1942:        if (MDOC_BODY != n->type)
1.1       kristaps 1943:                return(1);
                   1944:        term_word(p, "\\&(");
                   1945:        p->flags |= TERMP_NOSPACE;
                   1946:        return(1);
                   1947: }
                   1948:
                   1949:
                   1950: /* ARGSUSED */
                   1951: static void
                   1952: termp_pq_post(DECL_ARGS)
                   1953: {
                   1954:
1.86      kristaps 1955:        if (MDOC_BODY != n->type)
1.1       kristaps 1956:                return;
                   1957:        term_word(p, ")");
                   1958: }
                   1959:
                   1960:
                   1961: /* ARGSUSED */
                   1962: static int
                   1963: termp_fo_pre(DECL_ARGS)
                   1964: {
1.86      kristaps 1965:        const struct mdoc_node *nn;
1.1       kristaps 1966:
1.86      kristaps 1967:        if (MDOC_BODY == n->type) {
1.33      kristaps 1968:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1969:                term_word(p, "(");
                   1970:                p->flags |= TERMP_NOSPACE;
                   1971:                return(1);
1.86      kristaps 1972:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1973:                return(1);
                   1974:
1.102     kristaps 1975:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1976:        for (nn = n->child; nn; nn = nn->next) {
                   1977:                assert(MDOC_TEXT == nn->type);
                   1978:                term_word(p, nn->string);
1.1       kristaps 1979:        }
1.102     kristaps 1980:        term_fontpop(p);
1.1       kristaps 1981:
                   1982:        return(0);
                   1983: }
                   1984:
                   1985:
                   1986: /* ARGSUSED */
                   1987: static void
                   1988: termp_fo_post(DECL_ARGS)
                   1989: {
                   1990:
1.86      kristaps 1991:        if (MDOC_BODY != n->type)
1.1       kristaps 1992:                return;
                   1993:        p->flags |= TERMP_NOSPACE;
                   1994:        term_word(p, ")");
                   1995:        p->flags |= TERMP_NOSPACE;
                   1996:        term_word(p, ";");
                   1997:        term_newln(p);
                   1998: }
                   1999:
                   2000:
                   2001: /* ARGSUSED */
                   2002: static int
                   2003: termp_bf_pre(DECL_ARGS)
                   2004: {
1.86      kristaps 2005:        const struct mdoc_node  *nn;
1.1       kristaps 2006:
1.86      kristaps 2007:        if (MDOC_HEAD == n->type)
1.1       kristaps 2008:                return(0);
1.86      kristaps 2009:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2010:                return(1);
                   2011:
1.86      kristaps 2012:        if (NULL == (nn = n->head->child)) {
                   2013:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2014:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2015:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2016:                        term_fontpush(p, TERMFONT_BOLD);
                   2017:                else
                   2018:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2019:
                   2020:                return(1);
                   2021:        }
                   2022:
1.86      kristaps 2023:        assert(MDOC_TEXT == nn->type);
                   2024:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2025:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2026:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2027:                term_fontpush(p, TERMFONT_BOLD);
                   2028:        else
                   2029:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2030:
                   2031:        return(1);
                   2032: }
                   2033:
                   2034:
                   2035: /* ARGSUSED */
                   2036: static int
                   2037: termp_sm_pre(DECL_ARGS)
                   2038: {
                   2039:
1.86      kristaps 2040:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2041:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2042:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2043:        else
1.1       kristaps 2044:                p->flags |= TERMP_NONOSPACE;
                   2045:
                   2046:        return(0);
                   2047: }
                   2048:
                   2049:
                   2050: /* ARGSUSED */
                   2051: static int
                   2052: termp_ap_pre(DECL_ARGS)
                   2053: {
                   2054:
                   2055:        p->flags |= TERMP_NOSPACE;
                   2056:        term_word(p, "\\(aq");
                   2057:        p->flags |= TERMP_NOSPACE;
                   2058:        return(1);
                   2059: }
                   2060:
                   2061:
                   2062: /* ARGSUSED */
                   2063: static void
                   2064: termp____post(DECL_ARGS)
                   2065: {
                   2066:
1.95      kristaps 2067:        /* TODO: %U. */
                   2068:
1.1       kristaps 2069:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2070:        switch (n->tok) {
1.84      kristaps 2071:        case (MDOC__T):
                   2072:                term_word(p, "\\(rq");
                   2073:                p->flags |= TERMP_NOSPACE;
                   2074:                break;
                   2075:        default:
                   2076:                break;
                   2077:        }
1.86      kristaps 2078:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2079: }
                   2080:
                   2081:
                   2082: /* ARGSUSED */
                   2083: static int
1.102     kristaps 2084: termp_li_pre(DECL_ARGS)
                   2085: {
                   2086:
                   2087:        term_fontpush(p, TERMFONT_NONE);
                   2088:        return(1);
                   2089: }
                   2090:
                   2091:
                   2092: /* ARGSUSED */
                   2093: static int
1.1       kristaps 2094: termp_lk_pre(DECL_ARGS)
                   2095: {
1.86      kristaps 2096:        const struct mdoc_node *nn;
1.1       kristaps 2097:
1.102     kristaps 2098:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2099:        nn = n->child;
                   2100:
                   2101:        if (NULL == nn->next)
1.12      kristaps 2102:                return(1);
                   2103:
1.86      kristaps 2104:        term_word(p, nn->string);
1.102     kristaps 2105:        term_fontpop(p);
1.96      kristaps 2106:
1.1       kristaps 2107:        p->flags |= TERMP_NOSPACE;
                   2108:        term_word(p, ":");
                   2109:
1.102     kristaps 2110:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2111:        for (nn = nn->next; nn; nn = nn->next)
                   2112:                term_word(p, nn->string);
1.102     kristaps 2113:        term_fontpop(p);
1.12      kristaps 2114:
1.1       kristaps 2115:        return(0);
                   2116: }
                   2117:
                   2118:
                   2119: /* ARGSUSED */
                   2120: static int
1.69      kristaps 2121: termp_under_pre(DECL_ARGS)
1.1       kristaps 2122: {
                   2123:
1.102     kristaps 2124:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2125:        return(1);
                   2126: }
1.83      kristaps 2127:
1.84      kristaps 2128:
                   2129: /* ARGSUSED */
                   2130: static int
                   2131: termp__t_pre(DECL_ARGS)
                   2132: {
                   2133:
                   2134:        term_word(p, "\\(lq");
                   2135:        p->flags |= TERMP_NOSPACE;
                   2136:        return(1);
                   2137: }

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