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Annotation of mandoc/mdoc_term.c, Revision 1.124

1.124   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.123 2010/05/15 16:18:23 joerg 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>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.92      kristaps   30: #include "out.h"
1.1       kristaps   31: #include "term.h"
                     32: #include "mdoc.h"
1.89      kristaps   33: #include "chars.h"
                     34: #include "main.h"
1.1       kristaps   35:
1.66      kristaps   36: #define        INDENT            5
                     37: #define        HALFINDENT        3
                     38:
1.1       kristaps   39: struct termpair {
                     40:        struct termpair  *ppair;
1.31      kristaps   41:        int               count;
1.1       kristaps   42: };
                     43:
1.31      kristaps   44: #define        DECL_ARGS struct termp *p, \
                     45:                  struct termpair *pair, \
1.86      kristaps   46:                  const struct mdoc_meta *m, \
                     47:                  const struct mdoc_node *n
1.1       kristaps   48:
                     49: struct termact {
                     50:        int     (*pre)(DECL_ARGS);
                     51:        void    (*post)(DECL_ARGS);
                     52: };
                     53:
1.96      kristaps   54: static size_t    a2width(const struct mdoc_argv *, int);
                     55: static size_t    a2height(const struct mdoc_node *);
                     56: static size_t    a2offs(const struct mdoc_argv *);
                     57:
                     58: static int       arg_hasattr(int, const struct mdoc_node *);
                     59: static int       arg_getattrs(const int *, int *, size_t,
                     60:                        const struct mdoc_node *);
                     61: static int       arg_getattr(int, const struct mdoc_node *);
1.118     kristaps   62: static int       arg_disptype(const struct mdoc_node *);
1.96      kristaps   63: static int       arg_listtype(const struct mdoc_node *);
                     64: static void      print_bvspace(struct termp *,
                     65:                        const struct mdoc_node *,
                     66:                        const struct mdoc_node *);
1.102     kristaps   67: static void      print_mdoc_node(DECL_ARGS);
                     68: static void      print_mdoc_head(DECL_ARGS);
                     69: static void      print_mdoc_nodelist(DECL_ARGS);
1.96      kristaps   70: static void      print_foot(DECL_ARGS);
                     71:
1.31      kristaps   72: static void      termp____post(DECL_ARGS);
1.61      kristaps   73: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_aq_post(DECL_ARGS);
                     75: static void      termp_bd_post(DECL_ARGS);
                     76: static void      termp_bl_post(DECL_ARGS);
                     77: static void      termp_bq_post(DECL_ARGS);
                     78: static void      termp_brq_post(DECL_ARGS);
                     79: static void      termp_bx_post(DECL_ARGS);
                     80: static void      termp_d1_post(DECL_ARGS);
                     81: static void      termp_dq_post(DECL_ARGS);
                     82: static void      termp_fd_post(DECL_ARGS);
                     83: static void      termp_fn_post(DECL_ARGS);
                     84: static void      termp_fo_post(DECL_ARGS);
                     85: static void      termp_ft_post(DECL_ARGS);
                     86: static void      termp_in_post(DECL_ARGS);
                     87: static void      termp_it_post(DECL_ARGS);
                     88: static void      termp_lb_post(DECL_ARGS);
                     89: static void      termp_op_post(DECL_ARGS);
                     90: static void      termp_pf_post(DECL_ARGS);
                     91: static void      termp_pq_post(DECL_ARGS);
                     92: static void      termp_qq_post(DECL_ARGS);
                     93: static void      termp_sh_post(DECL_ARGS);
                     94: static void      termp_sq_post(DECL_ARGS);
                     95: static void      termp_ss_post(DECL_ARGS);
                     96: static void      termp_vt_post(DECL_ARGS);
                     97:
1.61      kristaps   98: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_ap_pre(DECL_ARGS);
                    100: static int       termp_aq_pre(DECL_ARGS);
                    101: static int       termp_bd_pre(DECL_ARGS);
                    102: static int       termp_bf_pre(DECL_ARGS);
1.115     kristaps  103: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  104: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  105: static int       termp_bq_pre(DECL_ARGS);
                    106: static int       termp_brq_pre(DECL_ARGS);
                    107: static int       termp_bt_pre(DECL_ARGS);
                    108: static int       termp_cd_pre(DECL_ARGS);
                    109: static int       termp_d1_pre(DECL_ARGS);
                    110: static int       termp_dq_pre(DECL_ARGS);
                    111: static int       termp_ex_pre(DECL_ARGS);
                    112: static int       termp_fa_pre(DECL_ARGS);
                    113: static int       termp_fl_pre(DECL_ARGS);
                    114: static int       termp_fn_pre(DECL_ARGS);
                    115: static int       termp_fo_pre(DECL_ARGS);
                    116: static int       termp_ft_pre(DECL_ARGS);
                    117: static int       termp_in_pre(DECL_ARGS);
                    118: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  119: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_lk_pre(DECL_ARGS);
                    121: static int       termp_nd_pre(DECL_ARGS);
                    122: static int       termp_nm_pre(DECL_ARGS);
                    123: static int       termp_ns_pre(DECL_ARGS);
                    124: static int       termp_op_pre(DECL_ARGS);
                    125: static int       termp_pf_pre(DECL_ARGS);
                    126: static int       termp_pq_pre(DECL_ARGS);
                    127: static int       termp_qq_pre(DECL_ARGS);
                    128: static int       termp_rs_pre(DECL_ARGS);
                    129: static int       termp_rv_pre(DECL_ARGS);
                    130: static int       termp_sh_pre(DECL_ARGS);
                    131: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  132: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  133: static int       termp_sq_pre(DECL_ARGS);
                    134: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  135: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  137: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  138: static int       termp_xr_pre(DECL_ARGS);
                    139: static int       termp_xx_pre(DECL_ARGS);
                    140:
1.70      kristaps  141: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  142:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  143:        { NULL, NULL }, /* Dd */
                    144:        { NULL, NULL }, /* Dt */
                    145:        { NULL, NULL }, /* Os */
                    146:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    147:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  148:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  149:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    150:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    151:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    152:        { NULL, NULL }, /* Ed */
1.115     kristaps  153:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  154:        { NULL, NULL }, /* El */
                    155:        { termp_it_pre, termp_it_post }, /* It */
                    156:        { NULL, NULL }, /* Ad */
1.61      kristaps  157:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  158:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  159:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  160:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  161:        { NULL, NULL }, /* Dv */
                    162:        { NULL, NULL }, /* Er */
                    163:        { NULL, NULL }, /* Ev */
                    164:        { termp_ex_pre, NULL }, /* Ex */
                    165:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  166:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  167:        { termp_fl_pre, NULL }, /* Fl */
                    168:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    169:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  170:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  171:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  172:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  173:        { termp_nd_pre, NULL }, /* Nd */
                    174:        { termp_nm_pre, NULL }, /* Nm */
                    175:        { termp_op_pre, termp_op_post }, /* Op */
                    176:        { NULL, NULL }, /* Ot */
1.69      kristaps  177:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  178:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  179:        { NULL, NULL }, /* St */
1.69      kristaps  180:        { termp_under_pre, NULL }, /* Va */
1.110     kristaps  181:        { termp_vt_pre, termp_vt_post }, /* Vt */
1.1       kristaps  182:        { termp_xr_pre, NULL }, /* Xr */
                    183:        { NULL, termp____post }, /* %A */
1.84      kristaps  184:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  185:        { NULL, termp____post }, /* %D */
1.84      kristaps  186:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  187:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  188:        { NULL, termp____post }, /* %N */
                    189:        { NULL, termp____post }, /* %O */
                    190:        { NULL, termp____post }, /* %P */
                    191:        { NULL, termp____post }, /* %R */
1.117     kristaps  192:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  193:        { NULL, termp____post }, /* %V */
                    194:        { NULL, NULL }, /* Ac */
                    195:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    196:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  197:        { NULL, NULL }, /* At */
1.1       kristaps  198:        { NULL, NULL }, /* Bc */
                    199:        { termp_bf_pre, NULL }, /* Bf */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    201:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  202:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  203:        { NULL, termp_bx_post }, /* Bx */
                    204:        { NULL, NULL }, /* Db */
                    205:        { NULL, NULL }, /* Dc */
                    206:        { termp_dq_pre, termp_dq_post }, /* Do */
                    207:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  208:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  209:        { NULL, NULL }, /* Ef */
1.69      kristaps  210:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  211:        { NULL, NULL }, /* Eo */
1.26      kristaps  212:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  213:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  214:        { NULL, NULL }, /* No */
                    215:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  216:        { termp_xx_pre, NULL }, /* Nx */
                    217:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  218:        { NULL, NULL }, /* Pc */
                    219:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    220:        { termp_pq_pre, termp_pq_post }, /* Po */
                    221:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    222:        { NULL, NULL }, /* Qc */
                    223:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    225:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    226:        { NULL, NULL }, /* Re */
                    227:        { termp_rs_pre, NULL }, /* Rs */
                    228:        { NULL, NULL }, /* Sc */
                    229:        { termp_sq_pre, termp_sq_post }, /* So */
                    230:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    231:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  232:        { termp_under_pre, NULL }, /* Sx */
                    233:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  234:        { NULL, NULL }, /* Tn */
1.26      kristaps  235:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  236:        { NULL, NULL }, /* Xc */
                    237:        { NULL, NULL }, /* Xo */
                    238:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    239:        { NULL, NULL }, /* Fc */
                    240:        { termp_op_pre, termp_op_post }, /* Oo */
                    241:        { NULL, NULL }, /* Oc */
                    242:        { NULL, NULL }, /* Bk */
                    243:        { NULL, NULL }, /* Ek */
                    244:        { termp_bt_pre, NULL }, /* Bt */
                    245:        { NULL, NULL }, /* Hf */
                    246:        { NULL, NULL }, /* Fr */
                    247:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  248:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  249:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  250:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  251:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  252:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    253:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    254:        { NULL, NULL }, /* Brc */
1.83      kristaps  255:        { NULL, termp____post }, /* %C */
1.81      kristaps  256:        { NULL, NULL }, /* Es */ /* TODO */
                    257:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  258:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  259:        { NULL, termp____post }, /* %Q */
1.76      kristaps  260:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  261:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  262:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  263: };
                    264:
                    265:
1.70      kristaps  266: void
1.89      kristaps  267: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  268: {
1.70      kristaps  269:        const struct mdoc_node  *n;
                    270:        const struct mdoc_meta  *m;
1.89      kristaps  271:        struct termp            *p;
                    272:
                    273:        p = (struct termp *)arg;
1.111     kristaps  274:
                    275:        p->overstep = 0;
1.123     joerg     276:        p->maxrmargin = p->defrmargin;
1.89      kristaps  277:
                    278:        if (NULL == p->symtab)
                    279:                switch (p->enc) {
                    280:                case (TERMENC_ASCII):
                    281:                        p->symtab = chars_init(CHARS_ASCII);
                    282:                        break;
                    283:                default:
                    284:                        abort();
                    285:                        /* NOTREACHED */
                    286:                }
1.70      kristaps  287:
                    288:        n = mdoc_node(mdoc);
                    289:        m = mdoc_meta(mdoc);
                    290:
1.102     kristaps  291:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  292:        if (n->child)
1.102     kristaps  293:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  294:        print_foot(p, NULL, m, n);
1.1       kristaps  295: }
                    296:
                    297:
1.3       kristaps  298: static void
1.102     kristaps  299: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  300: {
                    301:
1.102     kristaps  302:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  303:        if (n->next)
1.102     kristaps  304:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  305: }
                    306:
                    307:
1.70      kristaps  308: /* ARGSUSED */
1.3       kristaps  309: static void
1.102     kristaps  310: print_mdoc_node(DECL_ARGS)
1.1       kristaps  311: {
1.102     kristaps  312:        int              chld;
                    313:        const void      *font;
1.1       kristaps  314:        struct termpair  npair;
1.30      kristaps  315:        size_t           offset, rmargin;
1.1       kristaps  316:
1.70      kristaps  317:        chld = 1;
1.29      kristaps  318:        offset = p->offset;
1.30      kristaps  319:        rmargin = p->rmargin;
1.102     kristaps  320:        font = term_fontq(p);
1.29      kristaps  321:
1.97      kristaps  322:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  323:        npair.ppair = pair;
1.46      kristaps  324:
1.86      kristaps  325:        if (MDOC_TEXT != n->type) {
                    326:                if (termacts[n->tok].pre)
                    327:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  328:        } else
1.86      kristaps  329:                term_word(p, n->string);
1.102     kristaps  330:
1.86      kristaps  331:        if (chld && n->child)
1.102     kristaps  332:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  333:
1.102     kristaps  334:        term_fontpopq(p, font);
1.46      kristaps  335:
1.86      kristaps  336:        if (MDOC_TEXT != n->type)
                    337:                if (termacts[n->tok].post)
                    338:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  339:
                    340:        if (MDOC_EOS & n->flags)
                    341:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  342:
                    343:        p->offset = offset;
1.30      kristaps  344:        p->rmargin = rmargin;
1.1       kristaps  345: }
                    346:
                    347:
1.70      kristaps  348: /* ARGSUSED */
1.3       kristaps  349: static void
1.70      kristaps  350: print_foot(DECL_ARGS)
1.1       kristaps  351: {
1.98      kristaps  352:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  353:
1.102     kristaps  354:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  355:
1.9       kristaps  356:        /*
                    357:         * Output the footer in new-groff style, that is, three columns
                    358:         * with the middle being the manual date and flanking columns
                    359:         * being the operating system:
                    360:         *
                    361:         * SYSTEM                  DATE                    SYSTEM
                    362:         */
                    363:
1.94      kristaps  364:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  365:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  366:
                    367:        term_vspace(p);
                    368:
1.9       kristaps  369:        p->offset = 0;
                    370:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  371:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    372:
                    373:        term_word(p, os);
                    374:        term_flushln(p);
                    375:
1.9       kristaps  376:        p->offset = p->rmargin;
                    377:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  378:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  379:
                    380:        term_word(p, buf);
                    381:        term_flushln(p);
                    382:
1.1       kristaps  383:        p->offset = p->rmargin;
                    384:        p->rmargin = p->maxrmargin;
                    385:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  386:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  387:
1.9       kristaps  388:        term_word(p, os);
1.1       kristaps  389:        term_flushln(p);
                    390:
1.9       kristaps  391:        p->offset = 0;
                    392:        p->rmargin = p->maxrmargin;
                    393:        p->flags = 0;
1.1       kristaps  394: }
                    395:
                    396:
1.70      kristaps  397: /* ARGSUSED */
1.3       kristaps  398: static void
1.102     kristaps  399: print_mdoc_head(DECL_ARGS)
1.1       kristaps  400: {
1.98      kristaps  401:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  402:
                    403:        p->rmargin = p->maxrmargin;
                    404:        p->offset = 0;
                    405:
                    406:        /*
                    407:         * The header is strange.  It has three components, which are
                    408:         * really two with the first duplicated.  It goes like this:
                    409:         *
                    410:         * IDENTIFIER              TITLE                   IDENTIFIER
                    411:         *
                    412:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    413:         * (if given, or "unknown" if not) followed by the manual page
                    414:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    415:         * string depending on the manual volume.  If not specified, it
                    416:         * switches on the manual section.
                    417:         */
                    418:
1.86      kristaps  419:        assert(m->vol);
1.98      kristaps  420:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  421:
1.86      kristaps  422:        if (m->arch) {
1.98      kristaps  423:                strlcat(buf, " (", BUFSIZ);
                    424:                strlcat(buf, m->arch, BUFSIZ);
                    425:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  426:        }
                    427:
1.124   ! kristaps  428:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  429:
                    430:        p->offset = 0;
1.8       kristaps  431:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  432:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    433:
                    434:        term_word(p, title);
                    435:        term_flushln(p);
                    436:
                    437:        p->offset = p->rmargin;
                    438:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  439:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  440:
                    441:        term_word(p, buf);
                    442:        term_flushln(p);
                    443:
                    444:        p->offset = p->rmargin;
                    445:        p->rmargin = p->maxrmargin;
                    446:        p->flags &= ~TERMP_NOBREAK;
                    447:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    448:
                    449:        term_word(p, title);
                    450:        term_flushln(p);
                    451:
1.9       kristaps  452:        p->offset = 0;
1.1       kristaps  453:        p->rmargin = p->maxrmargin;
                    454:        p->flags &= ~TERMP_NOSPACE;
                    455: }
                    456:
                    457:
                    458: static size_t
1.96      kristaps  459: a2height(const struct mdoc_node *n)
1.1       kristaps  460: {
1.92      kristaps  461:        struct roffsu    su;
1.91      kristaps  462:
                    463:        assert(MDOC_TEXT == n->type);
                    464:        assert(n->string);
1.92      kristaps  465:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    466:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  467:
1.92      kristaps  468:        return(term_vspan(&su));
1.91      kristaps  469: }
1.1       kristaps  470:
1.40      kristaps  471:
1.91      kristaps  472: static size_t
1.96      kristaps  473: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  474: {
1.92      kristaps  475:        struct roffsu    su;
1.1       kristaps  476:
1.91      kristaps  477:        assert(arg->value[pos]);
1.92      kristaps  478:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  479:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  480:
1.108     kristaps  481:        return(term_hspan(&su));
1.1       kristaps  482: }
                    483:
                    484:
                    485: static int
1.118     kristaps  486: arg_disptype(const struct mdoc_node *n)
                    487: {
                    488:        int              i, len;
                    489:
                    490:        assert(MDOC_BLOCK == n->type);
                    491:
                    492:        len = (int)(n->args ? n->args->argc : 0);
                    493:
                    494:        for (i = 0; i < len; i++)
                    495:                switch (n->args->argv[i].arg) {
                    496:                case (MDOC_Centred):
                    497:                        /* FALLTHROUGH */
                    498:                case (MDOC_Ragged):
                    499:                        /* FALLTHROUGH */
                    500:                case (MDOC_Filled):
                    501:                        /* FALLTHROUGH */
                    502:                case (MDOC_Unfilled):
                    503:                        /* FALLTHROUGH */
                    504:                case (MDOC_Literal):
                    505:                        return(n->args->argv[i].arg);
                    506:                default:
                    507:                        break;
                    508:                }
                    509:
                    510:        return(-1);
                    511: }
                    512:
                    513:
                    514: static int
1.1       kristaps  515: arg_listtype(const struct mdoc_node *n)
                    516: {
                    517:        int              i, len;
                    518:
                    519:        assert(MDOC_BLOCK == n->type);
                    520:
                    521:        len = (int)(n->args ? n->args->argc : 0);
                    522:
                    523:        for (i = 0; i < len; i++)
                    524:                switch (n->args->argv[i].arg) {
                    525:                case (MDOC_Bullet):
                    526:                        /* FALLTHROUGH */
                    527:                case (MDOC_Dash):
                    528:                        /* FALLTHROUGH */
                    529:                case (MDOC_Enum):
                    530:                        /* FALLTHROUGH */
                    531:                case (MDOC_Hyphen):
                    532:                        /* FALLTHROUGH */
                    533:                case (MDOC_Tag):
                    534:                        /* FALLTHROUGH */
                    535:                case (MDOC_Inset):
                    536:                        /* FALLTHROUGH */
                    537:                case (MDOC_Diag):
                    538:                        /* FALLTHROUGH */
                    539:                case (MDOC_Item):
                    540:                        /* FALLTHROUGH */
                    541:                case (MDOC_Column):
                    542:                        /* FALLTHROUGH */
1.38      kristaps  543:                case (MDOC_Hang):
                    544:                        /* FALLTHROUGH */
1.1       kristaps  545:                case (MDOC_Ohang):
                    546:                        return(n->args->argv[i].arg);
                    547:                default:
                    548:                        break;
                    549:                }
                    550:
1.38      kristaps  551:        return(-1);
1.1       kristaps  552: }
                    553:
                    554:
                    555: static size_t
1.96      kristaps  556: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  557: {
1.92      kristaps  558:        struct roffsu    su;
1.1       kristaps  559:
1.91      kristaps  560:        if ('\0' == arg->value[0][0])
                    561:                return(0);
                    562:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  563:                return(0);
1.91      kristaps  564:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  565:                return(INDENT + 1);
1.91      kristaps  566:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  567:                return((INDENT + 1) * 2);
1.92      kristaps  568:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    569:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  570:
1.92      kristaps  571:        return(term_hspan(&su));
1.1       kristaps  572: }
                    573:
                    574:
1.108     kristaps  575: /*
                    576:  * Return 1 if an argument has a particular argument value or 0 if it
                    577:  * does not.  See arg_getattr().
                    578:  */
1.1       kristaps  579: static int
                    580: arg_hasattr(int arg, const struct mdoc_node *n)
                    581: {
                    582:
                    583:        return(-1 != arg_getattr(arg, n));
                    584: }
                    585:
                    586:
1.108     kristaps  587: /*
                    588:  * Get the index of an argument in a node's argument list or -1 if it
                    589:  * does not exist.  See arg_getattrs().
                    590:  */
1.1       kristaps  591: static int
                    592: arg_getattr(int v, const struct mdoc_node *n)
                    593: {
                    594:        int              val;
                    595:
                    596:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    597: }
                    598:
                    599:
1.108     kristaps  600: /*
                    601:  * Walk through the argument list for a node and fill an array "vals"
                    602:  * with the positions of the argument structures listed in "keys".
                    603:  * Return the number of elements that were written into "vals", which
                    604:  * can be zero.
                    605:  */
1.1       kristaps  606: static int
                    607: arg_getattrs(const int *keys, int *vals,
                    608:                size_t sz, const struct mdoc_node *n)
                    609: {
                    610:        int              i, j, k;
                    611:
                    612:        if (NULL == n->args)
                    613:                return(0);
                    614:
                    615:        for (k = i = 0; i < (int)n->args->argc; i++)
                    616:                for (j = 0; j < (int)sz; j++)
                    617:                        if (n->args->argv[i].arg == keys[j]) {
                    618:                                vals[j] = i;
                    619:                                k++;
                    620:                        }
                    621:        return(k);
                    622: }
                    623:
                    624:
1.108     kristaps  625: /*
                    626:  * Determine how much space to print out before block elements of `It'
                    627:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    628:  * too.
                    629:  */
1.54      kristaps  630: static void
1.91      kristaps  631: print_bvspace(struct termp *p,
1.1       kristaps  632:                const struct mdoc_node *bl,
1.86      kristaps  633:                const struct mdoc_node *n)
1.1       kristaps  634: {
1.86      kristaps  635:        const struct mdoc_node  *nn;
1.1       kristaps  636:
                    637:        term_newln(p);
1.85      kristaps  638:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  639:                return;
                    640:
1.85      kristaps  641:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  642:
1.86      kristaps  643:        for (nn = n; nn; nn = nn->parent) {
                    644:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  645:                        continue;
1.86      kristaps  646:                if (MDOC_Ss == nn->tok)
1.54      kristaps  647:                        return;
1.86      kristaps  648:                if (MDOC_Sh == nn->tok)
1.54      kristaps  649:                        return;
1.86      kristaps  650:                if (NULL == nn->prev)
1.1       kristaps  651:                        continue;
                    652:                break;
                    653:        }
                    654:
1.85      kristaps  655:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  656:
1.59      kristaps  657:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  658:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  659:                        return;
                    660:
1.85      kristaps  661:        /* A `-diag' without body does not vspace. */
                    662:
1.59      kristaps  663:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  664:                if (n->prev && MDOC_It == n->prev->tok) {
                    665:                        assert(n->prev->body);
                    666:                        if (NULL == n->prev->body->child)
1.55      kristaps  667:                                return;
                    668:                }
                    669:
1.54      kristaps  670:        term_vspace(p);
1.1       kristaps  671: }
                    672:
                    673:
                    674: /* ARGSUSED */
                    675: static int
                    676: termp_dq_pre(DECL_ARGS)
                    677: {
                    678:
1.86      kristaps  679:        if (MDOC_BODY != n->type)
1.1       kristaps  680:                return(1);
                    681:
                    682:        term_word(p, "\\(lq");
                    683:        p->flags |= TERMP_NOSPACE;
                    684:        return(1);
                    685: }
                    686:
                    687:
                    688: /* ARGSUSED */
                    689: static void
                    690: termp_dq_post(DECL_ARGS)
                    691: {
                    692:
1.86      kristaps  693:        if (MDOC_BODY != n->type)
1.1       kristaps  694:                return;
                    695:
                    696:        p->flags |= TERMP_NOSPACE;
                    697:        term_word(p, "\\(rq");
                    698: }
                    699:
                    700:
                    701: /* ARGSUSED */
                    702: static int
                    703: termp_it_pre(DECL_ARGS)
                    704: {
1.86      kristaps  705:        const struct mdoc_node *bl, *nn;
1.1       kristaps  706:        char                    buf[7];
1.39      kristaps  707:        int                     i, type, keys[3], vals[3];
1.108     kristaps  708:        size_t                  width, offset, ncols, dcol;
1.1       kristaps  709:
1.86      kristaps  710:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  711:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  712:                return(1);
                    713:        }
1.1       kristaps  714:
1.86      kristaps  715:        bl = n->parent->parent->parent;
1.1       kristaps  716:
1.108     kristaps  717:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  718:
                    719:        keys[0] = MDOC_Width;
                    720:        keys[1] = MDOC_Offset;
                    721:        keys[2] = MDOC_Column;
                    722:
                    723:        vals[0] = vals[1] = vals[2] = -1;
                    724:
1.108     kristaps  725:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  726:
                    727:        type = arg_listtype(bl);
1.38      kristaps  728:        assert(-1 != type);
1.1       kristaps  729:
1.108     kristaps  730:        /*
                    731:         * First calculate width and offset.  This is pretty easy unless
                    732:         * we're a -column list, in which case all prior columns must
                    733:         * be accounted for.
                    734:         */
                    735:
                    736:        width = offset = 0;
                    737:
1.105     kristaps  738:        if (vals[1] >= 0)
                    739:                offset = a2offs(&bl->args->argv[vals[1]]);
                    740:
1.1       kristaps  741:        switch (type) {
                    742:        case (MDOC_Column):
1.86      kristaps  743:                if (MDOC_BODY == n->type)
1.1       kristaps  744:                        break;
1.105     kristaps  745:                /*
1.108     kristaps  746:                 * Imitate groff's column handling:
                    747:                 * - For each earlier column, add its width.
                    748:                 * - For less than 5 columns, add four more blanks per
                    749:                 *   column.
                    750:                 * - For exactly 5 columns, add three more blank per
                    751:                 *   column.
                    752:                 * - For more than 5 columns, add only one column.
1.105     kristaps  753:                 */
                    754:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  755:                /* LINTED */
                    756:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    757:
                    758:                for (i = 0, nn = n->prev;
                    759:                                nn && i < (int)ncols;
                    760:                                nn = nn->prev, i++)
                    761:                        offset += dcol + a2width
                    762:                                (&bl->args->argv[vals[2]], i);
                    763:
1.105     kristaps  764:
                    765:                /*
1.108     kristaps  766:                 * When exceeding the declared number of columns, leave
                    767:                 * the remaining widths at 0.  This will later be
                    768:                 * adjusted to the default width of 10, or, for the last
                    769:                 * column, stretched to the right margin.
1.58      kristaps  770:                 */
1.108     kristaps  771:                if (i >= (int)ncols)
                    772:                        break;
1.58      kristaps  773:
1.105     kristaps  774:                /*
1.108     kristaps  775:                 * Use the declared column widths, extended as explained
                    776:                 * in the preceding paragraph.
1.105     kristaps  777:                 */
1.108     kristaps  778:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  779:                break;
                    780:        default:
1.108     kristaps  781:                if (vals[0] < 0)
                    782:                        break;
                    783:
                    784:                /*
                    785:                 * Note: buffer the width by 2, which is groff's magic
                    786:                 * number for buffering single arguments.  See the above
                    787:                 * handling for column for how this changes.
                    788:                 */
                    789:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  790:                break;
                    791:        }
                    792:
                    793:        /*
                    794:         * List-type can override the width in the case of fixed-head
                    795:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  796:         * offset.
1.1       kristaps  797:         */
                    798:
                    799:        switch (type) {
                    800:        case (MDOC_Bullet):
                    801:                /* FALLTHROUGH */
                    802:        case (MDOC_Dash):
                    803:                /* FALLTHROUGH */
                    804:        case (MDOC_Hyphen):
                    805:                if (width < 4)
                    806:                        width = 4;
                    807:                break;
1.17      kristaps  808:        case (MDOC_Enum):
                    809:                if (width < 5)
                    810:                        width = 5;
                    811:                break;
1.38      kristaps  812:        case (MDOC_Hang):
1.39      kristaps  813:                if (0 == width)
                    814:                        width = 8;
                    815:                break;
1.49      kristaps  816:        case (MDOC_Column):
                    817:                /* FALLTHROUGH */
1.1       kristaps  818:        case (MDOC_Tag):
                    819:                if (0 == width)
                    820:                        width = 10;
                    821:                break;
                    822:        default:
                    823:                break;
                    824:        }
                    825:
                    826:        /*
1.17      kristaps  827:         * Whitespace control.  Inset bodies need an initial space,
                    828:         * while diagonal bodies need two.
1.1       kristaps  829:         */
                    830:
1.51      kristaps  831:        p->flags |= TERMP_NOSPACE;
                    832:
1.1       kristaps  833:        switch (type) {
1.51      kristaps  834:        case (MDOC_Diag):
1.86      kristaps  835:                if (MDOC_BODY == n->type)
1.62      kristaps  836:                        term_word(p, "\\ \\ ");
1.51      kristaps  837:                break;
1.1       kristaps  838:        case (MDOC_Inset):
1.86      kristaps  839:                if (MDOC_BODY == n->type)
1.51      kristaps  840:                        term_word(p, "\\ ");
1.1       kristaps  841:                break;
                    842:        default:
                    843:                break;
                    844:        }
                    845:
1.51      kristaps  846:        p->flags |= TERMP_NOSPACE;
                    847:
1.1       kristaps  848:        switch (type) {
                    849:        case (MDOC_Diag):
1.86      kristaps  850:                if (MDOC_HEAD == n->type)
1.102     kristaps  851:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  852:                break;
                    853:        default:
                    854:                break;
                    855:        }
                    856:
                    857:        /*
1.109     kristaps  858:         * Pad and break control.  This is the tricky part.  These flags
                    859:         * are documented in term_flushln() in term.c.  Note that we're
                    860:         * going to unset all of these flags in termp_it_post() when we
                    861:         * exit.
1.1       kristaps  862:         */
                    863:
                    864:        switch (type) {
                    865:        case (MDOC_Bullet):
                    866:                /* FALLTHROUGH */
                    867:        case (MDOC_Dash):
                    868:                /* FALLTHROUGH */
                    869:        case (MDOC_Enum):
                    870:                /* FALLTHROUGH */
                    871:        case (MDOC_Hyphen):
1.86      kristaps  872:                if (MDOC_HEAD == n->type)
1.39      kristaps  873:                        p->flags |= TERMP_NOBREAK;
                    874:                else
                    875:                        p->flags |= TERMP_NOLPAD;
                    876:                break;
1.38      kristaps  877:        case (MDOC_Hang):
1.86      kristaps  878:                if (MDOC_HEAD == n->type)
1.39      kristaps  879:                        p->flags |= TERMP_NOBREAK;
                    880:                else
                    881:                        p->flags |= TERMP_NOLPAD;
                    882:
1.86      kristaps  883:                if (MDOC_HEAD != n->type)
1.59      kristaps  884:                        break;
                    885:
                    886:                /*
                    887:                 * This is ugly.  If `-hang' is specified and the body
                    888:                 * is a `Bl' or `Bd', then we want basically to nullify
                    889:                 * the "overstep" effect in term_flushln() and treat
                    890:                 * this as a `-ohang' list instead.
                    891:                 */
1.86      kristaps  892:                if (n->next->child &&
                    893:                                (MDOC_Bl == n->next->child->tok ||
                    894:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  895:                        p->flags &= ~TERMP_NOBREAK;
                    896:                        p->flags &= ~TERMP_NOLPAD;
                    897:                } else
1.39      kristaps  898:                        p->flags |= TERMP_HANG;
                    899:                break;
1.1       kristaps  900:        case (MDOC_Tag):
1.86      kristaps  901:                if (MDOC_HEAD == n->type)
1.51      kristaps  902:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  903:                else
                    904:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  905:
1.86      kristaps  906:                if (MDOC_HEAD != n->type)
1.39      kristaps  907:                        break;
1.86      kristaps  908:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  909:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  910:                break;
                    911:        case (MDOC_Column):
1.86      kristaps  912:                if (MDOC_HEAD == n->type) {
                    913:                        assert(n->next);
                    914:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  915:                                p->flags &= ~TERMP_NOBREAK;
                    916:                        else
                    917:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  918:                        if (n->prev)
1.1       kristaps  919:                                p->flags |= TERMP_NOLPAD;
                    920:                }
                    921:                break;
                    922:        case (MDOC_Diag):
1.86      kristaps  923:                if (MDOC_HEAD == n->type)
1.1       kristaps  924:                        p->flags |= TERMP_NOBREAK;
                    925:                break;
                    926:        default:
                    927:                break;
                    928:        }
                    929:
                    930:        /*
                    931:         * Margin control.  Set-head-width lists have their right
                    932:         * margins shortened.  The body for these lists has the offset
                    933:         * necessarily lengthened.  Everybody gets the offset.
                    934:         */
                    935:
                    936:        p->offset += offset;
                    937:
                    938:        switch (type) {
1.59      kristaps  939:        case (MDOC_Hang):
                    940:                /*
                    941:                 * Same stipulation as above, regarding `-hang'.  We
                    942:                 * don't want to recalculate rmargin and offsets when
                    943:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    944:                 */
1.86      kristaps  945:                if (MDOC_HEAD == n->type && n->next->child &&
                    946:                                (MDOC_Bl == n->next->child->tok ||
                    947:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  948:                        break;
                    949:                /* FALLTHROUGH */
1.1       kristaps  950:        case (MDOC_Bullet):
                    951:                /* FALLTHROUGH */
                    952:        case (MDOC_Dash):
                    953:                /* FALLTHROUGH */
                    954:        case (MDOC_Enum):
                    955:                /* FALLTHROUGH */
                    956:        case (MDOC_Hyphen):
                    957:                /* FALLTHROUGH */
                    958:        case (MDOC_Tag):
1.49      kristaps  959:                assert(width);
1.86      kristaps  960:                if (MDOC_HEAD == n->type)
1.1       kristaps  961:                        p->rmargin = p->offset + width;
                    962:                else
                    963:                        p->offset += width;
                    964:                break;
                    965:        case (MDOC_Column):
1.49      kristaps  966:                assert(width);
1.1       kristaps  967:                p->rmargin = p->offset + width;
1.50      kristaps  968:                /*
                    969:                 * XXX - this behaviour is not documented: the
                    970:                 * right-most column is filled to the right margin.
                    971:                 */
1.86      kristaps  972:                if (MDOC_HEAD == n->type &&
1.105     kristaps  973:                                MDOC_BODY == n->next->type &&
                    974:                                p->rmargin < p->maxrmargin)
1.50      kristaps  975:                        p->rmargin = p->maxrmargin;
1.1       kristaps  976:                break;
                    977:        default:
                    978:                break;
                    979:        }
                    980:
                    981:        /*
                    982:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  983:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  984:         */
                    985:
1.86      kristaps  986:        if (MDOC_HEAD == n->type)
1.1       kristaps  987:                switch (type) {
                    988:                case (MDOC_Bullet):
1.102     kristaps  989:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  990:                        term_word(p, "\\[bu]");
1.102     kristaps  991:                        term_fontpop(p);
1.1       kristaps  992:                        break;
                    993:                case (MDOC_Dash):
                    994:                        /* FALLTHROUGH */
                    995:                case (MDOC_Hyphen):
1.102     kristaps  996:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  997:                        term_word(p, "\\(hy");
1.102     kristaps  998:                        term_fontpop(p);
1.1       kristaps  999:                        break;
                   1000:                case (MDOC_Enum):
                   1001:                        (pair->ppair->ppair->count)++;
1.109     kristaps 1002:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps 1003:                                        pair->ppair->ppair->count);
                   1004:                        term_word(p, buf);
                   1005:                        break;
                   1006:                default:
                   1007:                        break;
                   1008:                }
                   1009:
                   1010:        /*
                   1011:         * If we're not going to process our children, indicate so here.
                   1012:         */
                   1013:
                   1014:        switch (type) {
                   1015:        case (MDOC_Bullet):
                   1016:                /* FALLTHROUGH */
                   1017:        case (MDOC_Item):
                   1018:                /* FALLTHROUGH */
                   1019:        case (MDOC_Dash):
                   1020:                /* FALLTHROUGH */
                   1021:        case (MDOC_Hyphen):
                   1022:                /* FALLTHROUGH */
                   1023:        case (MDOC_Enum):
1.86      kristaps 1024:                if (MDOC_HEAD == n->type)
1.1       kristaps 1025:                        return(0);
                   1026:                break;
                   1027:        case (MDOC_Column):
1.86      kristaps 1028:                if (MDOC_BODY == n->type)
1.1       kristaps 1029:                        return(0);
                   1030:                break;
                   1031:        default:
                   1032:                break;
                   1033:        }
                   1034:
                   1035:        return(1);
                   1036: }
                   1037:
                   1038:
                   1039: /* ARGSUSED */
                   1040: static void
                   1041: termp_it_post(DECL_ARGS)
                   1042: {
                   1043:        int                type;
                   1044:
1.109     kristaps 1045:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1046:                return;
                   1047:
1.86      kristaps 1048:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps 1049:        assert(-1 != type);
1.1       kristaps 1050:
                   1051:        switch (type) {
                   1052:        case (MDOC_Item):
                   1053:                /* FALLTHROUGH */
1.53      kristaps 1054:        case (MDOC_Diag):
                   1055:                /* FALLTHROUGH */
1.1       kristaps 1056:        case (MDOC_Inset):
1.86      kristaps 1057:                if (MDOC_BODY == n->type)
1.1       kristaps 1058:                        term_flushln(p);
                   1059:                break;
                   1060:        case (MDOC_Column):
1.86      kristaps 1061:                if (MDOC_HEAD == n->type)
1.1       kristaps 1062:                        term_flushln(p);
                   1063:                break;
                   1064:        default:
                   1065:                term_flushln(p);
                   1066:                break;
                   1067:        }
                   1068:
1.109     kristaps 1069:        /*
                   1070:         * Now that our output is flushed, we can reset our tags.  Since
                   1071:         * only `It' sets these flags, we're free to assume that nobody
                   1072:         * has munged them in the meanwhile.
                   1073:         */
                   1074:
                   1075:        p->flags &= ~TERMP_DANGLE;
                   1076:        p->flags &= ~TERMP_NOBREAK;
                   1077:        p->flags &= ~TERMP_TWOSPACE;
                   1078:        p->flags &= ~TERMP_NOLPAD;
                   1079:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1080: }
                   1081:
                   1082:
                   1083: /* ARGSUSED */
                   1084: static int
                   1085: termp_nm_pre(DECL_ARGS)
                   1086: {
                   1087:
1.122     kristaps 1088:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1089:                term_newln(p);
1.102     kristaps 1090:
                   1091:        term_fontpush(p, TERMFONT_BOLD);
                   1092:
1.86      kristaps 1093:        if (NULL == n->child)
                   1094:                term_word(p, m->name);
1.1       kristaps 1095:        return(1);
                   1096: }
                   1097:
                   1098:
                   1099: /* ARGSUSED */
                   1100: static int
                   1101: termp_fl_pre(DECL_ARGS)
                   1102: {
                   1103:
1.102     kristaps 1104:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1105:        term_word(p, "\\-");
1.103     kristaps 1106:
                   1107:        if (n->child)
1.114     kristaps 1108:                p->flags |= TERMP_NOSPACE;
                   1109:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1110:                p->flags |= TERMP_NOSPACE;
                   1111:
1.1       kristaps 1112:        return(1);
                   1113: }
                   1114:
                   1115:
                   1116: /* ARGSUSED */
                   1117: static int
1.61      kristaps 1118: termp_an_pre(DECL_ARGS)
                   1119: {
                   1120:
1.86      kristaps 1121:        if (NULL == n->child)
1.61      kristaps 1122:                return(1);
                   1123:
                   1124:        /*
1.85      kristaps 1125:         * If not in the AUTHORS section, `An -split' will cause
                   1126:         * newlines to occur before the author name.  If in the AUTHORS
                   1127:         * section, by default, the first `An' invocation is nosplit,
                   1128:         * then all subsequent ones, regardless of whether interspersed
                   1129:         * with other macros/text, are split.  -split, in this case,
                   1130:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1131:         */
                   1132:
1.86      kristaps 1133:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1134:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1135:                        if (TERMP_SPLIT & p->flags)
                   1136:                                term_newln(p);
                   1137:                        return(1);
                   1138:                }
                   1139:                if (TERMP_NOSPLIT & p->flags)
                   1140:                        return(1);
                   1141:                term_newln(p);
                   1142:                return(1);
                   1143:        }
                   1144:
                   1145:        if (TERMP_SPLIT & p->flags)
                   1146:                term_newln(p);
                   1147:
                   1148:        return(1);
                   1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static void
                   1154: termp_an_post(DECL_ARGS)
                   1155: {
                   1156:
1.86      kristaps 1157:        if (n->child) {
                   1158:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1159:                        p->flags |= TERMP_ANPREC;
                   1160:                return;
                   1161:        }
                   1162:
1.118     kristaps 1163:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1164:                p->flags &= ~TERMP_NOSPLIT;
                   1165:                p->flags |= TERMP_SPLIT;
                   1166:        } else {
                   1167:                p->flags &= ~TERMP_SPLIT;
                   1168:                p->flags |= TERMP_NOSPLIT;
                   1169:        }
                   1170:
                   1171: }
                   1172:
                   1173:
                   1174: /* ARGSUSED */
                   1175: static int
1.1       kristaps 1176: termp_ns_pre(DECL_ARGS)
                   1177: {
                   1178:
                   1179:        p->flags |= TERMP_NOSPACE;
                   1180:        return(1);
                   1181: }
                   1182:
                   1183:
                   1184: /* ARGSUSED */
                   1185: static int
                   1186: termp_rs_pre(DECL_ARGS)
                   1187: {
                   1188:
1.86      kristaps 1189:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1190:                return(1);
1.86      kristaps 1191:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1192:                term_vspace(p);
                   1193:        return(1);
                   1194: }
                   1195:
                   1196:
                   1197: /* ARGSUSED */
                   1198: static int
                   1199: termp_rv_pre(DECL_ARGS)
                   1200: {
1.68      kristaps 1201:        const struct mdoc_node  *nn;
1.1       kristaps 1202:
                   1203:        term_newln(p);
                   1204:        term_word(p, "The");
                   1205:
1.86      kristaps 1206:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1207:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1208:                term_word(p, nn->string);
1.102     kristaps 1209:                term_fontpop(p);
1.68      kristaps 1210:                p->flags |= TERMP_NOSPACE;
                   1211:                if (nn->next && NULL == nn->next->next)
                   1212:                        term_word(p, "(), and");
                   1213:                else if (nn->next)
                   1214:                        term_word(p, "(),");
                   1215:                else
                   1216:                        term_word(p, "()");
                   1217:        }
                   1218:
1.86      kristaps 1219:        if (n->child->next)
1.68      kristaps 1220:                term_word(p, "functions return");
                   1221:        else
                   1222:                term_word(p, "function returns");
1.1       kristaps 1223:
1.68      kristaps 1224:                term_word(p, "the value 0 if successful; otherwise the value "
                   1225:                        "-1 is returned and the global variable");
1.1       kristaps 1226:
1.102     kristaps 1227:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1228:        term_word(p, "errno");
1.102     kristaps 1229:        term_fontpop(p);
1.1       kristaps 1230:
                   1231:                term_word(p, "is set to indicate the error.");
                   1232:
1.68      kristaps 1233:        return(0);
1.1       kristaps 1234: }
                   1235:
                   1236:
                   1237: /* ARGSUSED */
                   1238: static int
                   1239: termp_ex_pre(DECL_ARGS)
                   1240: {
1.68      kristaps 1241:        const struct mdoc_node  *nn;
1.1       kristaps 1242:
1.68      kristaps 1243:        term_word(p, "The");
1.1       kristaps 1244:
1.86      kristaps 1245:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1246:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1247:                term_word(p, nn->string);
1.102     kristaps 1248:                term_fontpop(p);
1.68      kristaps 1249:                p->flags |= TERMP_NOSPACE;
                   1250:                if (nn->next && NULL == nn->next->next)
                   1251:                        term_word(p, ", and");
                   1252:                else if (nn->next)
                   1253:                        term_word(p, ",");
                   1254:                else
                   1255:                        p->flags &= ~TERMP_NOSPACE;
                   1256:        }
                   1257:
1.86      kristaps 1258:        if (n->child->next)
1.68      kristaps 1259:                term_word(p, "utilities exit");
                   1260:        else
                   1261:                term_word(p, "utility exits");
                   1262:
                   1263:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1264:
1.68      kristaps 1265:        return(0);
1.1       kristaps 1266: }
                   1267:
                   1268:
                   1269: /* ARGSUSED */
                   1270: static int
                   1271: termp_nd_pre(DECL_ARGS)
                   1272: {
1.25      kristaps 1273:
1.86      kristaps 1274:        if (MDOC_BODY != n->type)
1.25      kristaps 1275:                return(1);
1.30      kristaps 1276:
1.27      kristaps 1277: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1278:        term_word(p, "\\(en");
1.23      kristaps 1279: #else
                   1280:        term_word(p, "\\(em");
                   1281: #endif
1.1       kristaps 1282:        return(1);
1.115     kristaps 1283: }
                   1284:
                   1285:
                   1286: /* ARGSUSED */
                   1287: static int
                   1288: termp_bl_pre(DECL_ARGS)
                   1289: {
                   1290:
                   1291:        return(MDOC_HEAD != n->type);
1.1       kristaps 1292: }
                   1293:
                   1294:
                   1295: /* ARGSUSED */
                   1296: static void
                   1297: termp_bl_post(DECL_ARGS)
                   1298: {
                   1299:
1.86      kristaps 1300:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1301:                term_newln(p);
                   1302: }
                   1303:
                   1304:
                   1305: /* ARGSUSED */
                   1306: static void
                   1307: termp_op_post(DECL_ARGS)
                   1308: {
                   1309:
1.86      kristaps 1310:        if (MDOC_BODY != n->type)
1.1       kristaps 1311:                return;
                   1312:        p->flags |= TERMP_NOSPACE;
                   1313:        term_word(p, "\\(rB");
                   1314: }
                   1315:
                   1316:
                   1317: /* ARGSUSED */
                   1318: static int
                   1319: termp_xr_pre(DECL_ARGS)
                   1320: {
1.86      kristaps 1321:        const struct mdoc_node *nn;
1.1       kristaps 1322:
1.113     kristaps 1323:        if (NULL == n->child)
                   1324:                return(0);
                   1325:
                   1326:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1327:        nn = n->child;
1.11      kristaps 1328:
1.86      kristaps 1329:        term_word(p, nn->string);
                   1330:        if (NULL == (nn = nn->next))
1.1       kristaps 1331:                return(0);
                   1332:        p->flags |= TERMP_NOSPACE;
                   1333:        term_word(p, "(");
                   1334:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1335:        term_word(p, nn->string);
1.1       kristaps 1336:        p->flags |= TERMP_NOSPACE;
                   1337:        term_word(p, ")");
1.86      kristaps 1338:
1.1       kristaps 1339:        return(0);
                   1340: }
                   1341:
                   1342:
1.110     kristaps 1343: static int
                   1344: termp_vt_pre(DECL_ARGS)
                   1345: {
                   1346:
                   1347:        if (MDOC_ELEM == n->type)
                   1348:                return(termp_under_pre(p, pair, m, n));
                   1349:        else if (MDOC_HEAD == n->type)
                   1350:                return(0);
                   1351:        else if (MDOC_BLOCK == n->type)
                   1352:                return(1);
                   1353:
                   1354:        return(termp_under_pre(p, pair, m, n));
                   1355: }
                   1356:
                   1357:
1.1       kristaps 1358: /* ARGSUSED */
                   1359: static void
                   1360: termp_vt_post(DECL_ARGS)
                   1361: {
                   1362:
1.110     kristaps 1363:        if (MDOC_BLOCK != n->type)
1.32      kristaps 1364:                return;
1.86      kristaps 1365:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1366:                term_newln(p);
1.86      kristaps 1367:        else if (n->next)
1.1       kristaps 1368:                term_vspace(p);
                   1369: }
                   1370:
                   1371:
                   1372: /* ARGSUSED */
                   1373: static int
1.69      kristaps 1374: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1375: {
                   1376:
1.102     kristaps 1377:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1378:        return(1);
                   1379: }
                   1380:
                   1381:
                   1382: /* ARGSUSED */
                   1383: static void
                   1384: termp_fd_post(DECL_ARGS)
                   1385: {
                   1386:
1.122     kristaps 1387:        if (n->sec != SEC_SYNOPSIS || ! (MDOC_LINE & n->flags))
1.1       kristaps 1388:                return;
1.29      kristaps 1389:
1.1       kristaps 1390:        term_newln(p);
1.86      kristaps 1391:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1392:                term_vspace(p);
                   1393: }
                   1394:
                   1395:
                   1396: /* ARGSUSED */
                   1397: static int
                   1398: termp_sh_pre(DECL_ARGS)
                   1399: {
1.85      kristaps 1400:
                   1401:        /* No vspace between consecutive `Sh' calls. */
                   1402:
1.86      kristaps 1403:        switch (n->type) {
1.65      kristaps 1404:        case (MDOC_BLOCK):
1.86      kristaps 1405:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1406:                        if (NULL == n->prev->body->child)
1.65      kristaps 1407:                                break;
                   1408:                term_vspace(p);
                   1409:                break;
1.1       kristaps 1410:        case (MDOC_HEAD):
1.102     kristaps 1411:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1412:                break;
                   1413:        case (MDOC_BODY):
                   1414:                p->offset = INDENT;
                   1415:                break;
                   1416:        default:
                   1417:                break;
                   1418:        }
                   1419:        return(1);
                   1420: }
                   1421:
                   1422:
                   1423: /* ARGSUSED */
                   1424: static void
                   1425: termp_sh_post(DECL_ARGS)
                   1426: {
                   1427:
1.86      kristaps 1428:        switch (n->type) {
1.1       kristaps 1429:        case (MDOC_HEAD):
                   1430:                term_newln(p);
                   1431:                break;
                   1432:        case (MDOC_BODY):
                   1433:                term_newln(p);
                   1434:                p->offset = 0;
                   1435:                break;
                   1436:        default:
                   1437:                break;
                   1438:        }
                   1439: }
                   1440:
                   1441:
                   1442: /* ARGSUSED */
                   1443: static int
                   1444: termp_op_pre(DECL_ARGS)
                   1445: {
                   1446:
1.86      kristaps 1447:        switch (n->type) {
1.1       kristaps 1448:        case (MDOC_BODY):
                   1449:                term_word(p, "\\(lB");
                   1450:                p->flags |= TERMP_NOSPACE;
                   1451:                break;
                   1452:        default:
                   1453:                break;
                   1454:        }
                   1455:        return(1);
                   1456: }
                   1457:
                   1458:
                   1459: /* ARGSUSED */
                   1460: static int
                   1461: termp_bt_pre(DECL_ARGS)
                   1462: {
                   1463:
                   1464:        term_word(p, "is currently in beta test.");
1.81      kristaps 1465:        return(0);
1.1       kristaps 1466: }
                   1467:
                   1468:
                   1469: /* ARGSUSED */
                   1470: static void
                   1471: termp_lb_post(DECL_ARGS)
                   1472: {
                   1473:
1.122     kristaps 1474:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1475:                term_newln(p);
1.1       kristaps 1476: }
                   1477:
                   1478:
                   1479: /* ARGSUSED */
                   1480: static int
                   1481: termp_ud_pre(DECL_ARGS)
                   1482: {
                   1483:
                   1484:        term_word(p, "currently under development.");
1.86      kristaps 1485:        return(0);
1.1       kristaps 1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static int
                   1491: termp_d1_pre(DECL_ARGS)
                   1492: {
                   1493:
1.86      kristaps 1494:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1495:                return(1);
                   1496:        term_newln(p);
1.29      kristaps 1497:        p->offset += (INDENT + 1);
1.1       kristaps 1498:        return(1);
                   1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static void
                   1504: termp_d1_post(DECL_ARGS)
                   1505: {
                   1506:
1.86      kristaps 1507:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1508:                return;
                   1509:        term_newln(p);
                   1510: }
                   1511:
                   1512:
                   1513: /* ARGSUSED */
                   1514: static int
                   1515: termp_aq_pre(DECL_ARGS)
                   1516: {
                   1517:
1.86      kristaps 1518:        if (MDOC_BODY != n->type)
1.1       kristaps 1519:                return(1);
                   1520:        term_word(p, "\\(la");
                   1521:        p->flags |= TERMP_NOSPACE;
                   1522:        return(1);
                   1523: }
                   1524:
                   1525:
                   1526: /* ARGSUSED */
                   1527: static void
                   1528: termp_aq_post(DECL_ARGS)
                   1529: {
                   1530:
1.86      kristaps 1531:        if (MDOC_BODY != n->type)
1.1       kristaps 1532:                return;
                   1533:        p->flags |= TERMP_NOSPACE;
                   1534:        term_word(p, "\\(ra");
                   1535: }
                   1536:
                   1537:
                   1538: /* ARGSUSED */
                   1539: static int
                   1540: termp_ft_pre(DECL_ARGS)
                   1541: {
                   1542:
1.122     kristaps 1543:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.86      kristaps 1544:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1545:                        term_vspace(p);
1.102     kristaps 1546:
                   1547:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1548:        return(1);
                   1549: }
                   1550:
                   1551:
                   1552: /* ARGSUSED */
                   1553: static void
                   1554: termp_ft_post(DECL_ARGS)
                   1555: {
                   1556:
1.122     kristaps 1557:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1558:                term_newln(p);
                   1559: }
                   1560:
                   1561:
                   1562: /* ARGSUSED */
                   1563: static int
                   1564: termp_fn_pre(DECL_ARGS)
                   1565: {
1.86      kristaps 1566:        const struct mdoc_node  *nn;
1.1       kristaps 1567:
1.102     kristaps 1568:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1569:        term_word(p, n->child->string);
1.102     kristaps 1570:        term_fontpop(p);
1.1       kristaps 1571:
                   1572:        p->flags |= TERMP_NOSPACE;
                   1573:        term_word(p, "(");
                   1574:
1.86      kristaps 1575:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1576:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1577:                term_word(p, nn->string);
1.102     kristaps 1578:                term_fontpop(p);
                   1579:
1.86      kristaps 1580:                if (nn->next)
1.1       kristaps 1581:                        term_word(p, ",");
                   1582:        }
                   1583:
                   1584:        term_word(p, ")");
                   1585:
1.86      kristaps 1586:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1587:                term_word(p, ";");
                   1588:
                   1589:        return(0);
                   1590: }
                   1591:
                   1592:
                   1593: /* ARGSUSED */
                   1594: static void
                   1595: termp_fn_post(DECL_ARGS)
                   1596: {
                   1597:
1.122     kristaps 1598:        if (n->sec == SEC_SYNOPSIS && n->next && MDOC_LINE & n->flags)
1.1       kristaps 1599:                term_vspace(p);
                   1600: }
                   1601:
                   1602:
                   1603: /* ARGSUSED */
                   1604: static int
                   1605: termp_fa_pre(DECL_ARGS)
                   1606: {
1.86      kristaps 1607:        const struct mdoc_node  *nn;
1.1       kristaps 1608:
1.86      kristaps 1609:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1610:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1611:                return(1);
                   1612:        }
                   1613:
1.86      kristaps 1614:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1615:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1616:                term_word(p, nn->string);
1.102     kristaps 1617:                term_fontpop(p);
                   1618:
1.86      kristaps 1619:                if (nn->next)
1.1       kristaps 1620:                        term_word(p, ",");
                   1621:        }
                   1622:
1.86      kristaps 1623:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1624:                term_word(p, ",");
                   1625:
                   1626:        return(0);
                   1627: }
                   1628:
                   1629:
                   1630: /* ARGSUSED */
                   1631: static int
                   1632: termp_bd_pre(DECL_ARGS)
                   1633: {
1.85      kristaps 1634:        int                      i, type;
1.119     kristaps 1635:        size_t                   rm, rmax;
1.85      kristaps 1636:        const struct mdoc_node  *nn;
1.1       kristaps 1637:
1.86      kristaps 1638:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1639:                print_bvspace(p, n, n);
1.54      kristaps 1640:                return(1);
1.116     kristaps 1641:        } else if (MDOC_HEAD == n->type)
                   1642:                return(0);
1.1       kristaps 1643:
1.86      kristaps 1644:        nn = n->parent;
1.11      kristaps 1645:
1.118     kristaps 1646:        type = arg_disptype(nn);
                   1647:        assert(-1 != type);
                   1648:
                   1649:        if (-1 != (i = arg_getattr(MDOC_Offset, nn)))
                   1650:                p->offset += a2offs(&nn->args->argv[i]);
1.85      kristaps 1651:
                   1652:        /*
                   1653:         * If -ragged or -filled are specified, the block does nothing
                   1654:         * but change the indentation.  If -unfilled or -literal are
                   1655:         * specified, text is printed exactly as entered in the display:
                   1656:         * for macro lines, a newline is appended to the line.  Blank
                   1657:         * lines are allowed.
                   1658:         */
1.60      kristaps 1659:
1.85      kristaps 1660:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1661:                return(1);
                   1662:
1.119     kristaps 1663:        rm = p->rmargin;
                   1664:        rmax = p->maxrmargin;
1.120     kristaps 1665:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1666:
1.86      kristaps 1667:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1668:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1669:                print_mdoc_node(p, pair, m, nn);
1.85      kristaps 1670:                if (NULL == nn->next)
                   1671:                        continue;
                   1672:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1673:                        term_flushln(p);
1.87      kristaps 1674:                else if (NULL == nn->prev)
                   1675:                        term_flushln(p);
1.1       kristaps 1676:        }
                   1677:
1.119     kristaps 1678:        p->rmargin = rm;
                   1679:        p->maxrmargin = rmax;
1.1       kristaps 1680:        return(0);
                   1681: }
                   1682:
                   1683:
                   1684: /* ARGSUSED */
                   1685: static void
                   1686: termp_bd_post(DECL_ARGS)
                   1687: {
1.118     kristaps 1688:        int              type;
1.119     kristaps 1689:        size_t           rm, rmax;
1.1       kristaps 1690:
1.86      kristaps 1691:        if (MDOC_BODY != n->type)
1.1       kristaps 1692:                return;
1.118     kristaps 1693:
                   1694:        type = arg_disptype(n->parent);
                   1695:        assert(-1 != type);
                   1696:
1.119     kristaps 1697:        rm = p->rmargin;
                   1698:        rmax = p->maxrmargin;
1.118     kristaps 1699:
                   1700:        if (MDOC_Literal == type || MDOC_Unfilled == type)
1.120     kristaps 1701:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1702:
1.60      kristaps 1703:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1704:        term_flushln(p);
1.118     kristaps 1705:
1.119     kristaps 1706:        p->rmargin = rm;
                   1707:        p->maxrmargin = rmax;
1.1       kristaps 1708: }
                   1709:
                   1710:
                   1711: /* ARGSUSED */
                   1712: static int
                   1713: termp_qq_pre(DECL_ARGS)
                   1714: {
                   1715:
1.86      kristaps 1716:        if (MDOC_BODY != n->type)
1.1       kristaps 1717:                return(1);
                   1718:        term_word(p, "\"");
                   1719:        p->flags |= TERMP_NOSPACE;
                   1720:        return(1);
                   1721: }
                   1722:
                   1723:
                   1724: /* ARGSUSED */
                   1725: static void
                   1726: termp_qq_post(DECL_ARGS)
                   1727: {
                   1728:
1.86      kristaps 1729:        if (MDOC_BODY != n->type)
1.1       kristaps 1730:                return;
                   1731:        p->flags |= TERMP_NOSPACE;
                   1732:        term_word(p, "\"");
                   1733: }
                   1734:
                   1735:
                   1736: /* ARGSUSED */
                   1737: static void
                   1738: termp_bx_post(DECL_ARGS)
                   1739: {
                   1740:
1.86      kristaps 1741:        if (n->child)
1.1       kristaps 1742:                p->flags |= TERMP_NOSPACE;
                   1743:        term_word(p, "BSD");
                   1744: }
                   1745:
                   1746:
                   1747: /* ARGSUSED */
                   1748: static int
1.26      kristaps 1749: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1750: {
1.26      kristaps 1751:        const char      *pp;
1.1       kristaps 1752:
1.26      kristaps 1753:        pp = NULL;
1.86      kristaps 1754:        switch (n->tok) {
1.26      kristaps 1755:        case (MDOC_Bsx):
                   1756:                pp = "BSDI BSD/OS";
                   1757:                break;
                   1758:        case (MDOC_Dx):
1.100     kristaps 1759:                pp = "DragonFly";
1.26      kristaps 1760:                break;
                   1761:        case (MDOC_Fx):
                   1762:                pp = "FreeBSD";
                   1763:                break;
                   1764:        case (MDOC_Nx):
                   1765:                pp = "NetBSD";
                   1766:                break;
                   1767:        case (MDOC_Ox):
                   1768:                pp = "OpenBSD";
                   1769:                break;
                   1770:        case (MDOC_Ux):
                   1771:                pp = "UNIX";
                   1772:                break;
                   1773:        default:
                   1774:                break;
                   1775:        }
1.1       kristaps 1776:
1.26      kristaps 1777:        assert(pp);
                   1778:        term_word(p, pp);
1.1       kristaps 1779:        return(1);
                   1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static int
                   1785: termp_sq_pre(DECL_ARGS)
                   1786: {
                   1787:
1.86      kristaps 1788:        if (MDOC_BODY != n->type)
1.1       kristaps 1789:                return(1);
                   1790:        term_word(p, "\\(oq");
                   1791:        p->flags |= TERMP_NOSPACE;
                   1792:        return(1);
                   1793: }
                   1794:
                   1795:
                   1796: /* ARGSUSED */
                   1797: static void
                   1798: termp_sq_post(DECL_ARGS)
                   1799: {
                   1800:
1.86      kristaps 1801:        if (MDOC_BODY != n->type)
1.1       kristaps 1802:                return;
                   1803:        p->flags |= TERMP_NOSPACE;
                   1804:        term_word(p, "\\(aq");
                   1805: }
                   1806:
                   1807:
                   1808: /* ARGSUSED */
                   1809: static int
                   1810: termp_pf_pre(DECL_ARGS)
                   1811: {
                   1812:
                   1813:        p->flags |= TERMP_IGNDELIM;
                   1814:        return(1);
                   1815: }
                   1816:
                   1817:
                   1818: /* ARGSUSED */
                   1819: static void
                   1820: termp_pf_post(DECL_ARGS)
                   1821: {
                   1822:
                   1823:        p->flags &= ~TERMP_IGNDELIM;
                   1824:        p->flags |= TERMP_NOSPACE;
                   1825: }
                   1826:
                   1827:
                   1828: /* ARGSUSED */
                   1829: static int
                   1830: termp_ss_pre(DECL_ARGS)
                   1831: {
                   1832:
1.86      kristaps 1833:        switch (n->type) {
1.1       kristaps 1834:        case (MDOC_BLOCK):
                   1835:                term_newln(p);
1.86      kristaps 1836:                if (n->prev)
1.1       kristaps 1837:                        term_vspace(p);
                   1838:                break;
                   1839:        case (MDOC_HEAD):
1.102     kristaps 1840:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1841:                p->offset = HALFINDENT;
1.1       kristaps 1842:                break;
                   1843:        default:
                   1844:                break;
                   1845:        }
                   1846:
                   1847:        return(1);
                   1848: }
                   1849:
                   1850:
                   1851: /* ARGSUSED */
                   1852: static void
                   1853: termp_ss_post(DECL_ARGS)
                   1854: {
                   1855:
1.86      kristaps 1856:        if (MDOC_HEAD == n->type)
1.1       kristaps 1857:                term_newln(p);
                   1858: }
                   1859:
                   1860:
                   1861: /* ARGSUSED */
                   1862: static int
                   1863: termp_cd_pre(DECL_ARGS)
                   1864: {
                   1865:
1.102     kristaps 1866:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1867:        term_newln(p);
                   1868:        return(1);
                   1869: }
                   1870:
                   1871:
                   1872: /* ARGSUSED */
                   1873: static int
                   1874: termp_in_pre(DECL_ARGS)
                   1875: {
                   1876:
1.102     kristaps 1877:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1878:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1879:                term_word(p, "#include");
                   1880:
1.1       kristaps 1881:        term_word(p, "<");
                   1882:        p->flags |= TERMP_NOSPACE;
                   1883:        return(1);
                   1884: }
                   1885:
                   1886:
                   1887: /* ARGSUSED */
                   1888: static void
                   1889: termp_in_post(DECL_ARGS)
                   1890: {
                   1891:
1.102     kristaps 1892:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1893:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1894:        term_word(p, ">");
1.102     kristaps 1895:        term_fontpop(p);
1.1       kristaps 1896:
1.122     kristaps 1897:        if (SEC_SYNOPSIS != n->sec && ! (MDOC_LINE & n->flags))
1.1       kristaps 1898:                return;
1.22      kristaps 1899:
                   1900:        term_newln(p);
                   1901:        /*
                   1902:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1903:         * the SYNOPSIS section, then it produces a single break after
                   1904:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1905:         * construction is rarely used, I think it's fine.
                   1906:         */
1.86      kristaps 1907:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1908:                term_vspace(p);
                   1909: }
                   1910:
                   1911:
                   1912: /* ARGSUSED */
                   1913: static int
1.45      kristaps 1914: termp_sp_pre(DECL_ARGS)
                   1915: {
1.91      kristaps 1916:        size_t           i, len;
1.45      kristaps 1917:
1.86      kristaps 1918:        switch (n->tok) {
1.76      kristaps 1919:        case (MDOC_sp):
1.96      kristaps 1920:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1921:                break;
                   1922:        case (MDOC_br):
                   1923:                len = 0;
                   1924:                break;
                   1925:        default:
                   1926:                len = 1;
                   1927:                break;
1.45      kristaps 1928:        }
                   1929:
                   1930:        if (0 == len)
                   1931:                term_newln(p);
                   1932:        for (i = 0; i < len; i++)
                   1933:                term_vspace(p);
                   1934:
                   1935:        return(0);
                   1936: }
                   1937:
                   1938:
                   1939: /* ARGSUSED */
                   1940: static int
1.1       kristaps 1941: termp_brq_pre(DECL_ARGS)
                   1942: {
                   1943:
1.86      kristaps 1944:        if (MDOC_BODY != n->type)
1.1       kristaps 1945:                return(1);
                   1946:        term_word(p, "\\(lC");
                   1947:        p->flags |= TERMP_NOSPACE;
                   1948:        return(1);
                   1949: }
                   1950:
                   1951:
                   1952: /* ARGSUSED */
                   1953: static void
                   1954: termp_brq_post(DECL_ARGS)
                   1955: {
                   1956:
1.86      kristaps 1957:        if (MDOC_BODY != n->type)
1.1       kristaps 1958:                return;
                   1959:        p->flags |= TERMP_NOSPACE;
                   1960:        term_word(p, "\\(rC");
                   1961: }
                   1962:
                   1963:
                   1964: /* ARGSUSED */
                   1965: static int
                   1966: termp_bq_pre(DECL_ARGS)
                   1967: {
                   1968:
1.86      kristaps 1969:        if (MDOC_BODY != n->type)
1.1       kristaps 1970:                return(1);
                   1971:        term_word(p, "\\(lB");
                   1972:        p->flags |= TERMP_NOSPACE;
                   1973:        return(1);
                   1974: }
                   1975:
                   1976:
                   1977: /* ARGSUSED */
                   1978: static void
                   1979: termp_bq_post(DECL_ARGS)
                   1980: {
                   1981:
1.86      kristaps 1982:        if (MDOC_BODY != n->type)
1.1       kristaps 1983:                return;
                   1984:        p->flags |= TERMP_NOSPACE;
                   1985:        term_word(p, "\\(rB");
                   1986: }
                   1987:
                   1988:
                   1989: /* ARGSUSED */
                   1990: static int
                   1991: termp_pq_pre(DECL_ARGS)
                   1992: {
                   1993:
1.86      kristaps 1994:        if (MDOC_BODY != n->type)
1.1       kristaps 1995:                return(1);
                   1996:        term_word(p, "\\&(");
                   1997:        p->flags |= TERMP_NOSPACE;
                   1998:        return(1);
                   1999: }
                   2000:
                   2001:
                   2002: /* ARGSUSED */
                   2003: static void
                   2004: termp_pq_post(DECL_ARGS)
                   2005: {
                   2006:
1.86      kristaps 2007:        if (MDOC_BODY != n->type)
1.1       kristaps 2008:                return;
                   2009:        term_word(p, ")");
                   2010: }
                   2011:
                   2012:
                   2013: /* ARGSUSED */
                   2014: static int
                   2015: termp_fo_pre(DECL_ARGS)
                   2016: {
1.86      kristaps 2017:        const struct mdoc_node *nn;
1.1       kristaps 2018:
1.86      kristaps 2019:        if (MDOC_BODY == n->type) {
1.33      kristaps 2020:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2021:                term_word(p, "(");
                   2022:                p->flags |= TERMP_NOSPACE;
                   2023:                return(1);
1.86      kristaps 2024:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 2025:                return(1);
                   2026:
1.102     kristaps 2027:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2028:        for (nn = n->child; nn; nn = nn->next) {
                   2029:                assert(MDOC_TEXT == nn->type);
                   2030:                term_word(p, nn->string);
1.1       kristaps 2031:        }
1.102     kristaps 2032:        term_fontpop(p);
1.1       kristaps 2033:
                   2034:        return(0);
                   2035: }
                   2036:
                   2037:
                   2038: /* ARGSUSED */
                   2039: static void
                   2040: termp_fo_post(DECL_ARGS)
                   2041: {
                   2042:
1.86      kristaps 2043:        if (MDOC_BODY != n->type)
1.1       kristaps 2044:                return;
                   2045:        p->flags |= TERMP_NOSPACE;
                   2046:        term_word(p, ")");
                   2047:        p->flags |= TERMP_NOSPACE;
                   2048:        term_word(p, ";");
                   2049:        term_newln(p);
                   2050: }
                   2051:
                   2052:
                   2053: /* ARGSUSED */
                   2054: static int
                   2055: termp_bf_pre(DECL_ARGS)
                   2056: {
1.86      kristaps 2057:        const struct mdoc_node  *nn;
1.1       kristaps 2058:
1.86      kristaps 2059:        if (MDOC_HEAD == n->type)
1.1       kristaps 2060:                return(0);
1.86      kristaps 2061:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2062:                return(1);
                   2063:
1.86      kristaps 2064:        if (NULL == (nn = n->head->child)) {
                   2065:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2066:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2067:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2068:                        term_fontpush(p, TERMFONT_BOLD);
                   2069:                else
                   2070:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2071:
                   2072:                return(1);
                   2073:        }
                   2074:
1.86      kristaps 2075:        assert(MDOC_TEXT == nn->type);
                   2076:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2077:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2078:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2079:                term_fontpush(p, TERMFONT_BOLD);
                   2080:        else
                   2081:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2082:
                   2083:        return(1);
                   2084: }
                   2085:
                   2086:
                   2087: /* ARGSUSED */
                   2088: static int
                   2089: termp_sm_pre(DECL_ARGS)
                   2090: {
                   2091:
1.86      kristaps 2092:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2093:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2094:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2095:        else
1.1       kristaps 2096:                p->flags |= TERMP_NONOSPACE;
                   2097:
                   2098:        return(0);
                   2099: }
                   2100:
                   2101:
                   2102: /* ARGSUSED */
                   2103: static int
                   2104: termp_ap_pre(DECL_ARGS)
                   2105: {
                   2106:
                   2107:        p->flags |= TERMP_NOSPACE;
                   2108:        term_word(p, "\\(aq");
                   2109:        p->flags |= TERMP_NOSPACE;
                   2110:        return(1);
                   2111: }
                   2112:
                   2113:
                   2114: /* ARGSUSED */
                   2115: static void
                   2116: termp____post(DECL_ARGS)
                   2117: {
                   2118:
1.95      kristaps 2119:        /* TODO: %U. */
                   2120:
1.1       kristaps 2121:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2122:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2123: }
                   2124:
                   2125:
                   2126: /* ARGSUSED */
                   2127: static int
1.102     kristaps 2128: termp_li_pre(DECL_ARGS)
                   2129: {
                   2130:
                   2131:        term_fontpush(p, TERMFONT_NONE);
                   2132:        return(1);
                   2133: }
                   2134:
                   2135:
                   2136: /* ARGSUSED */
                   2137: static int
1.1       kristaps 2138: termp_lk_pre(DECL_ARGS)
                   2139: {
1.86      kristaps 2140:        const struct mdoc_node *nn;
1.1       kristaps 2141:
1.102     kristaps 2142:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2143:        nn = n->child;
                   2144:
                   2145:        if (NULL == nn->next)
1.12      kristaps 2146:                return(1);
                   2147:
1.86      kristaps 2148:        term_word(p, nn->string);
1.102     kristaps 2149:        term_fontpop(p);
1.96      kristaps 2150:
1.1       kristaps 2151:        p->flags |= TERMP_NOSPACE;
                   2152:        term_word(p, ":");
                   2153:
1.102     kristaps 2154:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2155:        for (nn = nn->next; nn; nn = nn->next)
                   2156:                term_word(p, nn->string);
1.102     kristaps 2157:        term_fontpop(p);
1.12      kristaps 2158:
1.1       kristaps 2159:        return(0);
                   2160: }
                   2161:
                   2162:
                   2163: /* ARGSUSED */
                   2164: static int
1.69      kristaps 2165: termp_under_pre(DECL_ARGS)
1.1       kristaps 2166: {
                   2167:
1.102     kristaps 2168:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2169:        return(1);
                   2170: }

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