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Annotation of mandoc/mdoc_term.c, Revision 1.145

1.145   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.144 2010/06/07 20:57:09 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.92      kristaps   31: #include "out.h"
1.1       kristaps   32: #include "term.h"
                     33: #include "mdoc.h"
1.89      kristaps   34: #include "chars.h"
                     35: #include "main.h"
1.1       kristaps   36:
1.66      kristaps   37: #define        INDENT            5
                     38: #define        HALFINDENT        3
                     39:
1.1       kristaps   40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.86      kristaps   47:                  const struct mdoc_meta *m, \
                     48:                  const struct mdoc_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.96      kristaps   55: static size_t    a2width(const struct mdoc_argv *, int);
                     56: static size_t    a2height(const struct mdoc_node *);
                     57: static size_t    a2offs(const struct mdoc_argv *);
                     58:
                     59: static int       arg_hasattr(int, const struct mdoc_node *);
                     60: static int       arg_getattrs(const int *, int *, size_t,
                     61:                        const struct mdoc_node *);
                     62: static int       arg_getattr(int, const struct mdoc_node *);
1.118     kristaps   63: static int       arg_disptype(const struct mdoc_node *);
1.96      kristaps   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);
1.145   ! kristaps   68: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   69: static void      print_mdoc_head(struct termp *, const void *);
1.145   ! kristaps   70: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   71: static void      synopsis_pre(struct termp *,
                     72:                        const struct mdoc_node *);
1.96      kristaps   73:
1.31      kristaps   74: static void      termp____post(DECL_ARGS);
1.61      kristaps   75: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   76: static void      termp_aq_post(DECL_ARGS);
                     77: static void      termp_bd_post(DECL_ARGS);
                     78: static void      termp_bl_post(DECL_ARGS);
                     79: static void      termp_bq_post(DECL_ARGS);
                     80: static void      termp_brq_post(DECL_ARGS);
                     81: static void      termp_bx_post(DECL_ARGS);
                     82: static void      termp_d1_post(DECL_ARGS);
                     83: static void      termp_dq_post(DECL_ARGS);
1.143     kristaps   84: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   85: static void      termp_fo_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:
1.61      kristaps   97: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   98: static int       termp_ap_pre(DECL_ARGS);
                     99: static int       termp_aq_pre(DECL_ARGS);
                    100: static int       termp_bd_pre(DECL_ARGS);
                    101: static int       termp_bf_pre(DECL_ARGS);
1.115     kristaps  102: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  103: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  104: static int       termp_bq_pre(DECL_ARGS);
                    105: static int       termp_brq_pre(DECL_ARGS);
                    106: static int       termp_bt_pre(DECL_ARGS);
                    107: static int       termp_cd_pre(DECL_ARGS);
                    108: static int       termp_d1_pre(DECL_ARGS);
                    109: static int       termp_dq_pre(DECL_ARGS);
                    110: static int       termp_ex_pre(DECL_ARGS);
                    111: static int       termp_fa_pre(DECL_ARGS);
                    112: static int       termp_fl_pre(DECL_ARGS);
                    113: static int       termp_fn_pre(DECL_ARGS);
                    114: static int       termp_fo_pre(DECL_ARGS);
                    115: static int       termp_ft_pre(DECL_ARGS);
                    116: static int       termp_in_pre(DECL_ARGS);
                    117: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  118: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_lk_pre(DECL_ARGS);
                    120: static int       termp_nd_pre(DECL_ARGS);
                    121: static int       termp_nm_pre(DECL_ARGS);
                    122: static int       termp_ns_pre(DECL_ARGS);
                    123: static int       termp_op_pre(DECL_ARGS);
                    124: static int       termp_pf_pre(DECL_ARGS);
                    125: static int       termp_pq_pre(DECL_ARGS);
                    126: static int       termp_qq_pre(DECL_ARGS);
                    127: static int       termp_rs_pre(DECL_ARGS);
                    128: static int       termp_rv_pre(DECL_ARGS);
                    129: static int       termp_sh_pre(DECL_ARGS);
                    130: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  131: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  132: static int       termp_sq_pre(DECL_ARGS);
                    133: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  134: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  135: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  136: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  137: static int       termp_xr_pre(DECL_ARGS);
                    138: static int       termp_xx_pre(DECL_ARGS);
                    139:
1.70      kristaps  140: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  141:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  142:        { NULL, NULL }, /* Dd */
                    143:        { NULL, NULL }, /* Dt */
                    144:        { NULL, NULL }, /* Os */
                    145:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    146:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  147:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  148:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    149:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    150:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    151:        { NULL, NULL }, /* Ed */
1.115     kristaps  152:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  153:        { NULL, NULL }, /* El */
                    154:        { termp_it_pre, termp_it_post }, /* It */
                    155:        { NULL, NULL }, /* Ad */
1.61      kristaps  156:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  158:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  159:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  160:        { NULL, NULL }, /* Dv */
                    161:        { NULL, NULL }, /* Er */
                    162:        { NULL, NULL }, /* Ev */
                    163:        { termp_ex_pre, NULL }, /* Ex */
                    164:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  165:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  167:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  168:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  170:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  171:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  172:        { termp_nd_pre, NULL }, /* Nd */
                    173:        { termp_nm_pre, NULL }, /* Nm */
                    174:        { termp_op_pre, termp_op_post }, /* Op */
                    175:        { NULL, NULL }, /* Ot */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  177:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  178:        { NULL, NULL }, /* St */
1.69      kristaps  179:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  180:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  181:        { termp_xr_pre, NULL }, /* Xr */
                    182:        { NULL, termp____post }, /* %A */
1.84      kristaps  183:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  184:        { NULL, termp____post }, /* %D */
1.84      kristaps  185:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  186:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  187:        { NULL, termp____post }, /* %N */
                    188:        { NULL, termp____post }, /* %O */
                    189:        { NULL, termp____post }, /* %P */
                    190:        { NULL, termp____post }, /* %R */
1.117     kristaps  191:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  192:        { NULL, termp____post }, /* %V */
                    193:        { NULL, NULL }, /* Ac */
                    194:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    195:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  196:        { NULL, NULL }, /* At */
1.1       kristaps  197:        { NULL, NULL }, /* Bc */
                    198:        { termp_bf_pre, NULL }, /* Bf */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  202:        { NULL, termp_bx_post }, /* Bx */
                    203:        { NULL, NULL }, /* Db */
                    204:        { NULL, NULL }, /* Dc */
                    205:        { termp_dq_pre, termp_dq_post }, /* Do */
                    206:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  207:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  208:        { NULL, NULL }, /* Ef */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  210:        { NULL, NULL }, /* Eo */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  212:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  213:        { NULL, NULL }, /* No */
                    214:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  215:        { termp_xx_pre, NULL }, /* Nx */
                    216:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  217:        { NULL, NULL }, /* Pc */
                    218:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    219:        { termp_pq_pre, termp_pq_post }, /* Po */
                    220:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    221:        { NULL, NULL }, /* Qc */
                    222:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    225:        { NULL, NULL }, /* Re */
                    226:        { termp_rs_pre, NULL }, /* Rs */
                    227:        { NULL, NULL }, /* Sc */
                    228:        { termp_sq_pre, termp_sq_post }, /* So */
                    229:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    230:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  231:        { termp_under_pre, NULL }, /* Sx */
                    232:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  233:        { NULL, NULL }, /* Tn */
1.26      kristaps  234:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  235:        { NULL, NULL }, /* Xc */
                    236:        { NULL, NULL }, /* Xo */
                    237:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    238:        { NULL, NULL }, /* Fc */
                    239:        { termp_op_pre, termp_op_post }, /* Oo */
                    240:        { NULL, NULL }, /* Oc */
                    241:        { NULL, NULL }, /* Bk */
                    242:        { NULL, NULL }, /* Ek */
                    243:        { termp_bt_pre, NULL }, /* Bt */
                    244:        { NULL, NULL }, /* Hf */
                    245:        { NULL, NULL }, /* Fr */
                    246:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  247:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  249:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  250:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  251:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    252:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    253:        { NULL, NULL }, /* Brc */
1.83      kristaps  254:        { NULL, termp____post }, /* %C */
1.81      kristaps  255:        { NULL, NULL }, /* Es */ /* TODO */
                    256:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  257:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  258:        { NULL, termp____post }, /* %Q */
1.76      kristaps  259:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  260:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  261:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  262:        { NULL, NULL }, /* Ta */
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;
1.129     schwarze  277:        p->tabwidth = 5;
1.89      kristaps  278:
1.145   ! kristaps  279:        term_begin(p, print_mdoc_head,
        !           280:                        print_mdoc_foot, mdoc_meta(mdoc));
1.144     kristaps  281:
1.89      kristaps  282:        if (NULL == p->symtab)
                    283:                switch (p->enc) {
                    284:                case (TERMENC_ASCII):
                    285:                        p->symtab = chars_init(CHARS_ASCII);
                    286:                        break;
                    287:                default:
                    288:                        abort();
                    289:                        /* NOTREACHED */
                    290:                }
1.70      kristaps  291:
                    292:        n = mdoc_node(mdoc);
                    293:        m = mdoc_meta(mdoc);
                    294:
                    295:        if (n->child)
1.102     kristaps  296:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  297:
                    298:        term_end(p);
1.1       kristaps  299: }
                    300:
                    301:
1.3       kristaps  302: static void
1.102     kristaps  303: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  304: {
                    305:
1.102     kristaps  306:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  307:        if (n->next)
1.102     kristaps  308:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  309: }
                    310:
                    311:
1.70      kristaps  312: /* ARGSUSED */
1.3       kristaps  313: static void
1.102     kristaps  314: print_mdoc_node(DECL_ARGS)
1.1       kristaps  315: {
1.102     kristaps  316:        int              chld;
                    317:        const void      *font;
1.1       kristaps  318:        struct termpair  npair;
1.30      kristaps  319:        size_t           offset, rmargin;
1.1       kristaps  320:
1.70      kristaps  321:        chld = 1;
1.29      kristaps  322:        offset = p->offset;
1.30      kristaps  323:        rmargin = p->rmargin;
1.102     kristaps  324:        font = term_fontq(p);
1.29      kristaps  325:
1.97      kristaps  326:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  327:        npair.ppair = pair;
1.46      kristaps  328:
1.86      kristaps  329:        if (MDOC_TEXT != n->type) {
                    330:                if (termacts[n->tok].pre)
                    331:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  332:        } else
1.86      kristaps  333:                term_word(p, n->string);
1.102     kristaps  334:
1.86      kristaps  335:        if (chld && n->child)
1.102     kristaps  336:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  337:
1.102     kristaps  338:        term_fontpopq(p, font);
1.46      kristaps  339:
1.86      kristaps  340:        if (MDOC_TEXT != n->type)
                    341:                if (termacts[n->tok].post)
                    342:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  343:
                    344:        if (MDOC_EOS & n->flags)
                    345:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  346:
                    347:        p->offset = offset;
1.30      kristaps  348:        p->rmargin = rmargin;
1.1       kristaps  349: }
                    350:
                    351:
1.3       kristaps  352: static void
1.145   ! kristaps  353: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  354: {
1.98      kristaps  355:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  356:        const struct mdoc_meta *m;
                    357:
                    358:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  359:
1.102     kristaps  360:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  361:
1.9       kristaps  362:        /*
                    363:         * Output the footer in new-groff style, that is, three columns
                    364:         * with the middle being the manual date and flanking columns
                    365:         * being the operating system:
                    366:         *
                    367:         * SYSTEM                  DATE                    SYSTEM
                    368:         */
                    369:
1.94      kristaps  370:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  371:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  372:
                    373:        term_vspace(p);
                    374:
1.9       kristaps  375:        p->offset = 0;
                    376:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  377:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    378:
                    379:        term_word(p, os);
                    380:        term_flushln(p);
                    381:
1.9       kristaps  382:        p->offset = p->rmargin;
                    383:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  384:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  385:
                    386:        term_word(p, buf);
                    387:        term_flushln(p);
                    388:
1.1       kristaps  389:        p->offset = p->rmargin;
                    390:        p->rmargin = p->maxrmargin;
                    391:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  392:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  393:
1.9       kristaps  394:        term_word(p, os);
1.1       kristaps  395:        term_flushln(p);
                    396:
1.9       kristaps  397:        p->offset = 0;
                    398:        p->rmargin = p->maxrmargin;
                    399:        p->flags = 0;
1.1       kristaps  400: }
                    401:
                    402:
1.3       kristaps  403: static void
1.144     kristaps  404: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  405: {
1.98      kristaps  406:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  407:        const struct mdoc_meta *m;
                    408:
                    409:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  410:
                    411:        p->rmargin = p->maxrmargin;
                    412:        p->offset = 0;
                    413:
                    414:        /*
                    415:         * The header is strange.  It has three components, which are
                    416:         * really two with the first duplicated.  It goes like this:
                    417:         *
                    418:         * IDENTIFIER              TITLE                   IDENTIFIER
                    419:         *
                    420:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    421:         * (if given, or "unknown" if not) followed by the manual page
                    422:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    423:         * string depending on the manual volume.  If not specified, it
                    424:         * switches on the manual section.
                    425:         */
                    426:
1.86      kristaps  427:        assert(m->vol);
1.98      kristaps  428:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  429:
1.86      kristaps  430:        if (m->arch) {
1.98      kristaps  431:                strlcat(buf, " (", BUFSIZ);
                    432:                strlcat(buf, m->arch, BUFSIZ);
                    433:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  434:        }
                    435:
1.124     kristaps  436:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  437:
                    438:        p->offset = 0;
1.8       kristaps  439:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  440:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    441:
                    442:        term_word(p, title);
                    443:        term_flushln(p);
                    444:
                    445:        p->offset = p->rmargin;
                    446:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  447:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  448:
                    449:        term_word(p, buf);
                    450:        term_flushln(p);
                    451:
                    452:        p->offset = p->rmargin;
                    453:        p->rmargin = p->maxrmargin;
                    454:        p->flags &= ~TERMP_NOBREAK;
                    455:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    456:
                    457:        term_word(p, title);
                    458:        term_flushln(p);
                    459:
1.9       kristaps  460:        p->offset = 0;
1.1       kristaps  461:        p->rmargin = p->maxrmargin;
                    462:        p->flags &= ~TERMP_NOSPACE;
                    463: }
                    464:
                    465:
                    466: static size_t
1.96      kristaps  467: a2height(const struct mdoc_node *n)
1.1       kristaps  468: {
1.92      kristaps  469:        struct roffsu    su;
1.91      kristaps  470:
                    471:        assert(MDOC_TEXT == n->type);
                    472:        assert(n->string);
1.92      kristaps  473:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    474:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  475:
1.92      kristaps  476:        return(term_vspan(&su));
1.91      kristaps  477: }
1.1       kristaps  478:
1.40      kristaps  479:
1.91      kristaps  480: static size_t
1.96      kristaps  481: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  482: {
1.92      kristaps  483:        struct roffsu    su;
1.1       kristaps  484:
1.91      kristaps  485:        assert(arg->value[pos]);
1.92      kristaps  486:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  487:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  488:
1.108     kristaps  489:        return(term_hspan(&su));
1.1       kristaps  490: }
                    491:
                    492:
                    493: static int
1.118     kristaps  494: arg_disptype(const struct mdoc_node *n)
                    495: {
                    496:        int              i, len;
                    497:
                    498:        assert(MDOC_BLOCK == n->type);
                    499:
                    500:        len = (int)(n->args ? n->args->argc : 0);
                    501:
                    502:        for (i = 0; i < len; i++)
                    503:                switch (n->args->argv[i].arg) {
                    504:                case (MDOC_Centred):
                    505:                        /* FALLTHROUGH */
                    506:                case (MDOC_Ragged):
                    507:                        /* FALLTHROUGH */
                    508:                case (MDOC_Filled):
                    509:                        /* FALLTHROUGH */
                    510:                case (MDOC_Unfilled):
                    511:                        /* FALLTHROUGH */
                    512:                case (MDOC_Literal):
                    513:                        return(n->args->argv[i].arg);
                    514:                default:
                    515:                        break;
                    516:                }
                    517:
                    518:        return(-1);
                    519: }
                    520:
                    521:
1.1       kristaps  522: static size_t
1.96      kristaps  523: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  524: {
1.92      kristaps  525:        struct roffsu    su;
1.1       kristaps  526:
1.91      kristaps  527:        if ('\0' == arg->value[0][0])
                    528:                return(0);
                    529:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  530:                return(0);
1.91      kristaps  531:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  532:                return(INDENT + 1);
1.91      kristaps  533:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  534:                return((INDENT + 1) * 2);
1.92      kristaps  535:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    536:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  537:
1.92      kristaps  538:        return(term_hspan(&su));
1.1       kristaps  539: }
                    540:
                    541:
1.108     kristaps  542: /*
                    543:  * Return 1 if an argument has a particular argument value or 0 if it
                    544:  * does not.  See arg_getattr().
                    545:  */
1.1       kristaps  546: static int
                    547: arg_hasattr(int arg, const struct mdoc_node *n)
                    548: {
                    549:
                    550:        return(-1 != arg_getattr(arg, n));
                    551: }
                    552:
                    553:
1.108     kristaps  554: /*
                    555:  * Get the index of an argument in a node's argument list or -1 if it
                    556:  * does not exist.  See arg_getattrs().
                    557:  */
1.1       kristaps  558: static int
                    559: arg_getattr(int v, const struct mdoc_node *n)
                    560: {
                    561:        int              val;
                    562:
                    563:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    564: }
                    565:
                    566:
1.108     kristaps  567: /*
                    568:  * Walk through the argument list for a node and fill an array "vals"
                    569:  * with the positions of the argument structures listed in "keys".
                    570:  * Return the number of elements that were written into "vals", which
                    571:  * can be zero.
                    572:  */
1.1       kristaps  573: static int
                    574: arg_getattrs(const int *keys, int *vals,
                    575:                size_t sz, const struct mdoc_node *n)
                    576: {
                    577:        int              i, j, k;
                    578:
                    579:        if (NULL == n->args)
                    580:                return(0);
                    581:
                    582:        for (k = i = 0; i < (int)n->args->argc; i++)
                    583:                for (j = 0; j < (int)sz; j++)
                    584:                        if (n->args->argv[i].arg == keys[j]) {
                    585:                                vals[j] = i;
                    586:                                k++;
                    587:                        }
                    588:        return(k);
                    589: }
                    590:
                    591:
1.108     kristaps  592: /*
                    593:  * Determine how much space to print out before block elements of `It'
                    594:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    595:  * too.
                    596:  */
1.54      kristaps  597: static void
1.91      kristaps  598: print_bvspace(struct termp *p,
1.1       kristaps  599:                const struct mdoc_node *bl,
1.86      kristaps  600:                const struct mdoc_node *n)
1.1       kristaps  601: {
1.86      kristaps  602:        const struct mdoc_node  *nn;
1.1       kristaps  603:
                    604:        term_newln(p);
1.85      kristaps  605:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  606:                return;
                    607:
1.85      kristaps  608:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  609:
1.86      kristaps  610:        for (nn = n; nn; nn = nn->parent) {
                    611:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  612:                        continue;
1.86      kristaps  613:                if (MDOC_Ss == nn->tok)
1.54      kristaps  614:                        return;
1.86      kristaps  615:                if (MDOC_Sh == nn->tok)
1.54      kristaps  616:                        return;
1.86      kristaps  617:                if (NULL == nn->prev)
1.1       kristaps  618:                        continue;
                    619:                break;
                    620:        }
                    621:
1.85      kristaps  622:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  623:
1.128     schwarze  624:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.list)
1.86      kristaps  625:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  626:                        return;
                    627:
1.85      kristaps  628:        /* A `-diag' without body does not vspace. */
                    629:
1.126     kristaps  630:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.list)
1.86      kristaps  631:                if (n->prev && MDOC_It == n->prev->tok) {
                    632:                        assert(n->prev->body);
                    633:                        if (NULL == n->prev->body->child)
1.55      kristaps  634:                                return;
                    635:                }
                    636:
1.54      kristaps  637:        term_vspace(p);
1.1       kristaps  638: }
                    639:
                    640:
                    641: /* ARGSUSED */
                    642: static int
                    643: termp_dq_pre(DECL_ARGS)
                    644: {
                    645:
1.86      kristaps  646:        if (MDOC_BODY != n->type)
1.1       kristaps  647:                return(1);
                    648:
                    649:        term_word(p, "\\(lq");
                    650:        p->flags |= TERMP_NOSPACE;
                    651:        return(1);
                    652: }
                    653:
                    654:
                    655: /* ARGSUSED */
                    656: static void
                    657: termp_dq_post(DECL_ARGS)
                    658: {
                    659:
1.86      kristaps  660:        if (MDOC_BODY != n->type)
1.1       kristaps  661:                return;
                    662:
                    663:        p->flags |= TERMP_NOSPACE;
                    664:        term_word(p, "\\(rq");
                    665: }
                    666:
                    667:
                    668: /* ARGSUSED */
                    669: static int
                    670: termp_it_pre(DECL_ARGS)
                    671: {
1.86      kristaps  672:        const struct mdoc_node *bl, *nn;
1.1       kristaps  673:        char                    buf[7];
1.126     kristaps  674:        int                     i, keys[3], vals[3];
1.108     kristaps  675:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  676:        enum mdoc_list          type;
1.1       kristaps  677:
1.86      kristaps  678:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  679:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  680:                return(1);
                    681:        }
1.1       kristaps  682:
1.86      kristaps  683:        bl = n->parent->parent->parent;
1.1       kristaps  684:
1.108     kristaps  685:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  686:
                    687:        keys[0] = MDOC_Width;
                    688:        keys[1] = MDOC_Offset;
                    689:        keys[2] = MDOC_Column;
                    690:
                    691:        vals[0] = vals[1] = vals[2] = -1;
                    692:
1.108     kristaps  693:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  694:
1.126     kristaps  695:        type = bl->data.list;
1.1       kristaps  696:
1.108     kristaps  697:        /*
                    698:         * First calculate width and offset.  This is pretty easy unless
                    699:         * we're a -column list, in which case all prior columns must
                    700:         * be accounted for.
                    701:         */
                    702:
                    703:        width = offset = 0;
                    704:
1.105     kristaps  705:        if (vals[1] >= 0)
                    706:                offset = a2offs(&bl->args->argv[vals[1]]);
                    707:
1.1       kristaps  708:        switch (type) {
1.126     kristaps  709:        case (LIST_column):
1.134     kristaps  710:                if (MDOC_HEAD == n->type)
1.1       kristaps  711:                        break;
1.105     kristaps  712:                /*
1.108     kristaps  713:                 * Imitate groff's column handling:
                    714:                 * - For each earlier column, add its width.
                    715:                 * - For less than 5 columns, add four more blanks per
                    716:                 *   column.
                    717:                 * - For exactly 5 columns, add three more blank per
                    718:                 *   column.
                    719:                 * - For more than 5 columns, add only one column.
1.105     kristaps  720:                 */
                    721:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  722:                /* LINTED */
                    723:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    724:
1.134     kristaps  725:                /*
                    726:                 * Calculate the offset by applying all prior MDOC_BODY,
                    727:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    728:                 */
                    729:
1.108     kristaps  730:                for (i = 0, nn = n->prev;
1.134     kristaps  731:                                nn->prev && i < (int)ncols;
1.108     kristaps  732:                                nn = nn->prev, i++)
                    733:                        offset += dcol + a2width
                    734:                                (&bl->args->argv[vals[2]], i);
                    735:
1.105     kristaps  736:
                    737:                /*
1.108     kristaps  738:                 * When exceeding the declared number of columns, leave
                    739:                 * the remaining widths at 0.  This will later be
                    740:                 * adjusted to the default width of 10, or, for the last
                    741:                 * column, stretched to the right margin.
1.58      kristaps  742:                 */
1.108     kristaps  743:                if (i >= (int)ncols)
                    744:                        break;
1.58      kristaps  745:
1.105     kristaps  746:                /*
1.108     kristaps  747:                 * Use the declared column widths, extended as explained
                    748:                 * in the preceding paragraph.
1.105     kristaps  749:                 */
1.108     kristaps  750:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  751:                break;
                    752:        default:
1.108     kristaps  753:                if (vals[0] < 0)
                    754:                        break;
                    755:
                    756:                /*
                    757:                 * Note: buffer the width by 2, which is groff's magic
                    758:                 * number for buffering single arguments.  See the above
                    759:                 * handling for column for how this changes.
                    760:                 */
                    761:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  762:                break;
                    763:        }
                    764:
                    765:        /*
                    766:         * List-type can override the width in the case of fixed-head
                    767:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  768:         * offset.
1.1       kristaps  769:         */
                    770:
                    771:        switch (type) {
1.126     kristaps  772:        case (LIST_bullet):
1.1       kristaps  773:                /* FALLTHROUGH */
1.126     kristaps  774:        case (LIST_dash):
1.1       kristaps  775:                /* FALLTHROUGH */
1.126     kristaps  776:        case (LIST_hyphen):
1.1       kristaps  777:                if (width < 4)
                    778:                        width = 4;
                    779:                break;
1.126     kristaps  780:        case (LIST_enum):
1.17      kristaps  781:                if (width < 5)
                    782:                        width = 5;
                    783:                break;
1.126     kristaps  784:        case (LIST_hang):
1.39      kristaps  785:                if (0 == width)
                    786:                        width = 8;
                    787:                break;
1.126     kristaps  788:        case (LIST_column):
1.49      kristaps  789:                /* FALLTHROUGH */
1.126     kristaps  790:        case (LIST_tag):
1.1       kristaps  791:                if (0 == width)
                    792:                        width = 10;
                    793:                break;
                    794:        default:
                    795:                break;
                    796:        }
                    797:
                    798:        /*
1.17      kristaps  799:         * Whitespace control.  Inset bodies need an initial space,
                    800:         * while diagonal bodies need two.
1.1       kristaps  801:         */
                    802:
1.51      kristaps  803:        p->flags |= TERMP_NOSPACE;
                    804:
1.1       kristaps  805:        switch (type) {
1.126     kristaps  806:        case (LIST_diag):
1.86      kristaps  807:                if (MDOC_BODY == n->type)
1.62      kristaps  808:                        term_word(p, "\\ \\ ");
1.51      kristaps  809:                break;
1.126     kristaps  810:        case (LIST_inset):
1.86      kristaps  811:                if (MDOC_BODY == n->type)
1.51      kristaps  812:                        term_word(p, "\\ ");
1.1       kristaps  813:                break;
                    814:        default:
                    815:                break;
                    816:        }
                    817:
1.51      kristaps  818:        p->flags |= TERMP_NOSPACE;
                    819:
1.1       kristaps  820:        switch (type) {
1.126     kristaps  821:        case (LIST_diag):
1.86      kristaps  822:                if (MDOC_HEAD == n->type)
1.102     kristaps  823:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  824:                break;
                    825:        default:
                    826:                break;
                    827:        }
                    828:
                    829:        /*
1.109     kristaps  830:         * Pad and break control.  This is the tricky part.  These flags
                    831:         * are documented in term_flushln() in term.c.  Note that we're
                    832:         * going to unset all of these flags in termp_it_post() when we
                    833:         * exit.
1.1       kristaps  834:         */
                    835:
                    836:        switch (type) {
1.126     kristaps  837:        case (LIST_bullet):
1.1       kristaps  838:                /* FALLTHROUGH */
1.126     kristaps  839:        case (LIST_dash):
1.1       kristaps  840:                /* FALLTHROUGH */
1.126     kristaps  841:        case (LIST_enum):
1.1       kristaps  842:                /* FALLTHROUGH */
1.126     kristaps  843:        case (LIST_hyphen):
1.86      kristaps  844:                if (MDOC_HEAD == n->type)
1.39      kristaps  845:                        p->flags |= TERMP_NOBREAK;
                    846:                else
                    847:                        p->flags |= TERMP_NOLPAD;
                    848:                break;
1.126     kristaps  849:        case (LIST_hang):
1.86      kristaps  850:                if (MDOC_HEAD == n->type)
1.39      kristaps  851:                        p->flags |= TERMP_NOBREAK;
                    852:                else
                    853:                        p->flags |= TERMP_NOLPAD;
                    854:
1.86      kristaps  855:                if (MDOC_HEAD != n->type)
1.59      kristaps  856:                        break;
                    857:
                    858:                /*
                    859:                 * This is ugly.  If `-hang' is specified and the body
                    860:                 * is a `Bl' or `Bd', then we want basically to nullify
                    861:                 * the "overstep" effect in term_flushln() and treat
                    862:                 * this as a `-ohang' list instead.
                    863:                 */
1.86      kristaps  864:                if (n->next->child &&
                    865:                                (MDOC_Bl == n->next->child->tok ||
                    866:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  867:                        p->flags &= ~TERMP_NOBREAK;
                    868:                        p->flags &= ~TERMP_NOLPAD;
                    869:                } else
1.39      kristaps  870:                        p->flags |= TERMP_HANG;
                    871:                break;
1.126     kristaps  872:        case (LIST_tag):
1.86      kristaps  873:                if (MDOC_HEAD == n->type)
1.51      kristaps  874:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  875:                else
                    876:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  877:
1.86      kristaps  878:                if (MDOC_HEAD != n->type)
1.39      kristaps  879:                        break;
1.86      kristaps  880:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  881:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  882:                break;
1.126     kristaps  883:        case (LIST_column):
1.134     kristaps  884:                if (MDOC_HEAD == n->type)
                    885:                        break;
                    886:
                    887:                if (NULL == n->next)
                    888:                        p->flags &= ~TERMP_NOBREAK;
                    889:                else
                    890:                        p->flags |= TERMP_NOBREAK;
                    891:
                    892:                assert(n->prev);
                    893:                if (MDOC_BODY == n->prev->type)
                    894:                        p->flags |= TERMP_NOLPAD;
                    895:
1.1       kristaps  896:                break;
1.126     kristaps  897:        case (LIST_diag):
1.86      kristaps  898:                if (MDOC_HEAD == n->type)
1.1       kristaps  899:                        p->flags |= TERMP_NOBREAK;
                    900:                break;
                    901:        default:
                    902:                break;
                    903:        }
                    904:
                    905:        /*
                    906:         * Margin control.  Set-head-width lists have their right
                    907:         * margins shortened.  The body for these lists has the offset
                    908:         * necessarily lengthened.  Everybody gets the offset.
                    909:         */
                    910:
                    911:        p->offset += offset;
                    912:
                    913:        switch (type) {
1.126     kristaps  914:        case (LIST_hang):
1.59      kristaps  915:                /*
                    916:                 * Same stipulation as above, regarding `-hang'.  We
                    917:                 * don't want to recalculate rmargin and offsets when
                    918:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    919:                 */
1.86      kristaps  920:                if (MDOC_HEAD == n->type && n->next->child &&
                    921:                                (MDOC_Bl == n->next->child->tok ||
                    922:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  923:                        break;
                    924:                /* FALLTHROUGH */
1.126     kristaps  925:        case (LIST_bullet):
1.1       kristaps  926:                /* FALLTHROUGH */
1.126     kristaps  927:        case (LIST_dash):
1.1       kristaps  928:                /* FALLTHROUGH */
1.126     kristaps  929:        case (LIST_enum):
1.1       kristaps  930:                /* FALLTHROUGH */
1.126     kristaps  931:        case (LIST_hyphen):
1.1       kristaps  932:                /* FALLTHROUGH */
1.126     kristaps  933:        case (LIST_tag):
1.49      kristaps  934:                assert(width);
1.86      kristaps  935:                if (MDOC_HEAD == n->type)
1.1       kristaps  936:                        p->rmargin = p->offset + width;
                    937:                else
                    938:                        p->offset += width;
                    939:                break;
1.126     kristaps  940:        case (LIST_column):
1.49      kristaps  941:                assert(width);
1.1       kristaps  942:                p->rmargin = p->offset + width;
1.50      kristaps  943:                /*
                    944:                 * XXX - this behaviour is not documented: the
                    945:                 * right-most column is filled to the right margin.
                    946:                 */
1.134     kristaps  947:                if (MDOC_HEAD == n->type)
                    948:                        break;
                    949:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  950:                        p->rmargin = p->maxrmargin;
1.1       kristaps  951:                break;
                    952:        default:
                    953:                break;
                    954:        }
                    955:
                    956:        /*
                    957:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  958:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  959:         */
                    960:
1.86      kristaps  961:        if (MDOC_HEAD == n->type)
1.1       kristaps  962:                switch (type) {
1.126     kristaps  963:                case (LIST_bullet):
1.102     kristaps  964:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  965:                        term_word(p, "\\[bu]");
1.102     kristaps  966:                        term_fontpop(p);
1.1       kristaps  967:                        break;
1.126     kristaps  968:                case (LIST_dash):
1.1       kristaps  969:                        /* FALLTHROUGH */
1.126     kristaps  970:                case (LIST_hyphen):
1.102     kristaps  971:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  972:                        term_word(p, "\\(hy");
1.102     kristaps  973:                        term_fontpop(p);
1.1       kristaps  974:                        break;
1.126     kristaps  975:                case (LIST_enum):
1.1       kristaps  976:                        (pair->ppair->ppair->count)++;
1.109     kristaps  977:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  978:                                        pair->ppair->ppair->count);
                    979:                        term_word(p, buf);
                    980:                        break;
                    981:                default:
                    982:                        break;
                    983:                }
                    984:
                    985:        /*
                    986:         * If we're not going to process our children, indicate so here.
                    987:         */
                    988:
                    989:        switch (type) {
1.126     kristaps  990:        case (LIST_bullet):
1.1       kristaps  991:                /* FALLTHROUGH */
1.126     kristaps  992:        case (LIST_item):
1.1       kristaps  993:                /* FALLTHROUGH */
1.126     kristaps  994:        case (LIST_dash):
1.1       kristaps  995:                /* FALLTHROUGH */
1.126     kristaps  996:        case (LIST_hyphen):
1.1       kristaps  997:                /* FALLTHROUGH */
1.126     kristaps  998:        case (LIST_enum):
1.86      kristaps  999:                if (MDOC_HEAD == n->type)
1.1       kristaps 1000:                        return(0);
                   1001:                break;
1.126     kristaps 1002:        case (LIST_column):
1.134     kristaps 1003:                if (MDOC_HEAD == n->type)
1.1       kristaps 1004:                        return(0);
                   1005:                break;
                   1006:        default:
                   1007:                break;
                   1008:        }
                   1009:
                   1010:        return(1);
                   1011: }
                   1012:
                   1013:
                   1014: /* ARGSUSED */
                   1015: static void
                   1016: termp_it_post(DECL_ARGS)
                   1017: {
1.126     kristaps 1018:        enum mdoc_list     type;
1.1       kristaps 1019:
1.109     kristaps 1020:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1021:                return;
                   1022:
1.126     kristaps 1023:        type = n->parent->parent->parent->data.list;
1.1       kristaps 1024:
                   1025:        switch (type) {
1.126     kristaps 1026:        case (LIST_item):
1.1       kristaps 1027:                /* FALLTHROUGH */
1.126     kristaps 1028:        case (LIST_diag):
1.53      kristaps 1029:                /* FALLTHROUGH */
1.126     kristaps 1030:        case (LIST_inset):
1.86      kristaps 1031:                if (MDOC_BODY == n->type)
1.130     schwarze 1032:                        term_newln(p);
1.1       kristaps 1033:                break;
1.126     kristaps 1034:        case (LIST_column):
1.134     kristaps 1035:                if (MDOC_BODY == n->type)
1.1       kristaps 1036:                        term_flushln(p);
                   1037:                break;
                   1038:        default:
1.130     schwarze 1039:                term_newln(p);
1.1       kristaps 1040:                break;
                   1041:        }
                   1042:
1.109     kristaps 1043:        /*
                   1044:         * Now that our output is flushed, we can reset our tags.  Since
                   1045:         * only `It' sets these flags, we're free to assume that nobody
                   1046:         * has munged them in the meanwhile.
                   1047:         */
                   1048:
                   1049:        p->flags &= ~TERMP_DANGLE;
                   1050:        p->flags &= ~TERMP_NOBREAK;
                   1051:        p->flags &= ~TERMP_TWOSPACE;
                   1052:        p->flags &= ~TERMP_NOLPAD;
                   1053:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1054: }
                   1055:
                   1056:
                   1057: /* ARGSUSED */
                   1058: static int
                   1059: termp_nm_pre(DECL_ARGS)
                   1060: {
                   1061:
1.125     kristaps 1062:        if (NULL == n->child && NULL == m->name)
1.127     joerg    1063:                return(1);
1.125     kristaps 1064:
1.143     kristaps 1065:        synopsis_pre(p, n);
1.102     kristaps 1066:
                   1067:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1068:        if (NULL == n->child)
                   1069:                term_word(p, m->name);
1.1       kristaps 1070:        return(1);
                   1071: }
                   1072:
                   1073:
                   1074: /* ARGSUSED */
                   1075: static int
                   1076: termp_fl_pre(DECL_ARGS)
                   1077: {
                   1078:
1.102     kristaps 1079:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1080:        term_word(p, "\\-");
1.103     kristaps 1081:
                   1082:        if (n->child)
1.114     kristaps 1083:                p->flags |= TERMP_NOSPACE;
                   1084:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1085:                p->flags |= TERMP_NOSPACE;
                   1086:
1.1       kristaps 1087:        return(1);
                   1088: }
                   1089:
                   1090:
                   1091: /* ARGSUSED */
                   1092: static int
1.61      kristaps 1093: termp_an_pre(DECL_ARGS)
                   1094: {
                   1095:
1.86      kristaps 1096:        if (NULL == n->child)
1.61      kristaps 1097:                return(1);
                   1098:
                   1099:        /*
1.85      kristaps 1100:         * If not in the AUTHORS section, `An -split' will cause
                   1101:         * newlines to occur before the author name.  If in the AUTHORS
                   1102:         * section, by default, the first `An' invocation is nosplit,
                   1103:         * then all subsequent ones, regardless of whether interspersed
                   1104:         * with other macros/text, are split.  -split, in this case,
                   1105:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1106:         */
                   1107:
1.86      kristaps 1108:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1109:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1110:                        if (TERMP_SPLIT & p->flags)
                   1111:                                term_newln(p);
                   1112:                        return(1);
                   1113:                }
                   1114:                if (TERMP_NOSPLIT & p->flags)
                   1115:                        return(1);
                   1116:                term_newln(p);
                   1117:                return(1);
                   1118:        }
                   1119:
                   1120:        if (TERMP_SPLIT & p->flags)
                   1121:                term_newln(p);
                   1122:
                   1123:        return(1);
                   1124: }
                   1125:
                   1126:
                   1127: /* ARGSUSED */
                   1128: static void
                   1129: termp_an_post(DECL_ARGS)
                   1130: {
                   1131:
1.86      kristaps 1132:        if (n->child) {
                   1133:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1134:                        p->flags |= TERMP_ANPREC;
                   1135:                return;
                   1136:        }
                   1137:
1.118     kristaps 1138:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1139:                p->flags &= ~TERMP_NOSPLIT;
                   1140:                p->flags |= TERMP_SPLIT;
                   1141:        } else {
                   1142:                p->flags &= ~TERMP_SPLIT;
                   1143:                p->flags |= TERMP_NOSPLIT;
                   1144:        }
                   1145:
                   1146: }
                   1147:
                   1148:
                   1149: /* ARGSUSED */
                   1150: static int
1.1       kristaps 1151: termp_ns_pre(DECL_ARGS)
                   1152: {
                   1153:
                   1154:        p->flags |= TERMP_NOSPACE;
                   1155:        return(1);
                   1156: }
                   1157:
                   1158:
                   1159: /* ARGSUSED */
                   1160: static int
                   1161: termp_rs_pre(DECL_ARGS)
                   1162: {
                   1163:
1.86      kristaps 1164:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1165:                return(1);
1.86      kristaps 1166:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1167:                term_vspace(p);
                   1168:        return(1);
                   1169: }
                   1170:
                   1171:
                   1172: /* ARGSUSED */
                   1173: static int
                   1174: termp_rv_pre(DECL_ARGS)
                   1175: {
1.68      kristaps 1176:        const struct mdoc_node  *nn;
1.1       kristaps 1177:
                   1178:        term_newln(p);
                   1179:        term_word(p, "The");
                   1180:
1.86      kristaps 1181:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1182:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1183:                term_word(p, nn->string);
1.102     kristaps 1184:                term_fontpop(p);
1.68      kristaps 1185:                p->flags |= TERMP_NOSPACE;
                   1186:                if (nn->next && NULL == nn->next->next)
                   1187:                        term_word(p, "(), and");
                   1188:                else if (nn->next)
                   1189:                        term_word(p, "(),");
                   1190:                else
                   1191:                        term_word(p, "()");
                   1192:        }
                   1193:
1.125     kristaps 1194:        if (n->child && n->child->next)
1.68      kristaps 1195:                term_word(p, "functions return");
                   1196:        else
                   1197:                term_word(p, "function returns");
1.1       kristaps 1198:
1.68      kristaps 1199:                term_word(p, "the value 0 if successful; otherwise the value "
                   1200:                        "-1 is returned and the global variable");
1.1       kristaps 1201:
1.102     kristaps 1202:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1203:        term_word(p, "errno");
1.102     kristaps 1204:        term_fontpop(p);
1.1       kristaps 1205:
                   1206:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1207:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1208:
1.68      kristaps 1209:        return(0);
1.1       kristaps 1210: }
                   1211:
                   1212:
                   1213: /* ARGSUSED */
                   1214: static int
                   1215: termp_ex_pre(DECL_ARGS)
                   1216: {
1.68      kristaps 1217:        const struct mdoc_node  *nn;
1.1       kristaps 1218:
1.68      kristaps 1219:        term_word(p, "The");
1.1       kristaps 1220:
1.86      kristaps 1221:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1222:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1223:                term_word(p, nn->string);
1.102     kristaps 1224:                term_fontpop(p);
1.68      kristaps 1225:                p->flags |= TERMP_NOSPACE;
                   1226:                if (nn->next && NULL == nn->next->next)
                   1227:                        term_word(p, ", and");
                   1228:                else if (nn->next)
                   1229:                        term_word(p, ",");
                   1230:                else
                   1231:                        p->flags &= ~TERMP_NOSPACE;
                   1232:        }
                   1233:
1.125     kristaps 1234:        if (n->child && n->child->next)
1.68      kristaps 1235:                term_word(p, "utilities exit");
                   1236:        else
                   1237:                term_word(p, "utility exits");
                   1238:
                   1239:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1240:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1241:
1.68      kristaps 1242:        return(0);
1.1       kristaps 1243: }
                   1244:
                   1245:
                   1246: /* ARGSUSED */
                   1247: static int
                   1248: termp_nd_pre(DECL_ARGS)
                   1249: {
1.25      kristaps 1250:
1.86      kristaps 1251:        if (MDOC_BODY != n->type)
1.25      kristaps 1252:                return(1);
1.30      kristaps 1253:
1.27      kristaps 1254: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1255:        term_word(p, "\\(en");
1.23      kristaps 1256: #else
                   1257:        term_word(p, "\\(em");
                   1258: #endif
1.1       kristaps 1259:        return(1);
1.115     kristaps 1260: }
                   1261:
                   1262:
                   1263: /* ARGSUSED */
                   1264: static int
                   1265: termp_bl_pre(DECL_ARGS)
                   1266: {
                   1267:
                   1268:        return(MDOC_HEAD != n->type);
1.1       kristaps 1269: }
                   1270:
                   1271:
                   1272: /* ARGSUSED */
                   1273: static void
                   1274: termp_bl_post(DECL_ARGS)
                   1275: {
                   1276:
1.86      kristaps 1277:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1278:                term_newln(p);
                   1279: }
                   1280:
                   1281:
                   1282: /* ARGSUSED */
                   1283: static void
                   1284: termp_op_post(DECL_ARGS)
                   1285: {
                   1286:
1.86      kristaps 1287:        if (MDOC_BODY != n->type)
1.1       kristaps 1288:                return;
                   1289:        p->flags |= TERMP_NOSPACE;
                   1290:        term_word(p, "\\(rB");
                   1291: }
                   1292:
                   1293:
                   1294: /* ARGSUSED */
                   1295: static int
                   1296: termp_xr_pre(DECL_ARGS)
                   1297: {
1.86      kristaps 1298:        const struct mdoc_node *nn;
1.1       kristaps 1299:
1.113     kristaps 1300:        if (NULL == n->child)
                   1301:                return(0);
                   1302:
                   1303:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1304:        nn = n->child;
1.11      kristaps 1305:
1.86      kristaps 1306:        term_word(p, nn->string);
                   1307:        if (NULL == (nn = nn->next))
1.1       kristaps 1308:                return(0);
                   1309:        p->flags |= TERMP_NOSPACE;
                   1310:        term_word(p, "(");
                   1311:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1312:        term_word(p, nn->string);
1.1       kristaps 1313:        p->flags |= TERMP_NOSPACE;
                   1314:        term_word(p, ")");
1.86      kristaps 1315:
1.1       kristaps 1316:        return(0);
                   1317: }
                   1318:
                   1319:
1.143     kristaps 1320: /*
                   1321:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1322:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1323:  * macro combos).
                   1324:  */
                   1325: static void
                   1326: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1327: {
                   1328:        /*
                   1329:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1330:         * exist, do nothing.
                   1331:         */
                   1332:        if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
                   1333:                return;
                   1334:
                   1335:        /*
                   1336:         * If we're the second in a pair of like elements, emit our
                   1337:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1338:         * case we soldier on.
                   1339:         */
                   1340:        if (n->prev->tok == n->tok &&
                   1341:                        MDOC_Ft != n->tok &&
                   1342:                        MDOC_Fo != n->tok &&
                   1343:                        MDOC_Fn != n->tok) {
                   1344:                term_newln(p);
                   1345:                return;
                   1346:        }
                   1347:
                   1348:        /*
                   1349:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1350:         * another (or Fn/Fo, which we've let slip through) then assert
                   1351:         * vertical space, else only newline and move on.
                   1352:         */
                   1353:        switch (n->prev->tok) {
                   1354:        case (MDOC_Fd):
                   1355:                /* FALLTHROUGH */
                   1356:        case (MDOC_Fn):
                   1357:                /* FALLTHROUGH */
                   1358:        case (MDOC_Fo):
                   1359:                /* FALLTHROUGH */
                   1360:        case (MDOC_In):
                   1361:                /* FALLTHROUGH */
                   1362:        case (MDOC_Vt):
                   1363:                term_vspace(p);
                   1364:                break;
                   1365:        case (MDOC_Ft):
                   1366:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1367:                        term_vspace(p);
                   1368:                        break;
                   1369:                }
                   1370:                /* FALLTHROUGH */
                   1371:        default:
                   1372:                term_newln(p);
                   1373:                break;
                   1374:        }
                   1375: }
                   1376:
                   1377:
1.110     kristaps 1378: static int
                   1379: termp_vt_pre(DECL_ARGS)
                   1380: {
                   1381:
1.143     kristaps 1382:        if (MDOC_ELEM == n->type) {
                   1383:                synopsis_pre(p, n);
1.110     kristaps 1384:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1385:        } else if (MDOC_BLOCK == n->type) {
                   1386:                synopsis_pre(p, n);
                   1387:                return(1);
                   1388:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1389:                return(0);
                   1390:
                   1391:        return(termp_under_pre(p, pair, m, n));
                   1392: }
                   1393:
                   1394:
1.1       kristaps 1395: /* ARGSUSED */
                   1396: static int
1.69      kristaps 1397: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1398: {
                   1399:
1.102     kristaps 1400:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1401:        return(1);
                   1402: }
                   1403:
                   1404:
                   1405: /* ARGSUSED */
1.143     kristaps 1406: static int
                   1407: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1408: {
                   1409:
1.143     kristaps 1410:        synopsis_pre(p, n);
                   1411:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static int
                   1417: termp_sh_pre(DECL_ARGS)
                   1418: {
1.85      kristaps 1419:
                   1420:        /* No vspace between consecutive `Sh' calls. */
                   1421:
1.86      kristaps 1422:        switch (n->type) {
1.65      kristaps 1423:        case (MDOC_BLOCK):
1.86      kristaps 1424:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1425:                        if (NULL == n->prev->body->child)
1.65      kristaps 1426:                                break;
                   1427:                term_vspace(p);
                   1428:                break;
1.1       kristaps 1429:        case (MDOC_HEAD):
1.102     kristaps 1430:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1431:                break;
                   1432:        case (MDOC_BODY):
                   1433:                p->offset = INDENT;
                   1434:                break;
                   1435:        default:
                   1436:                break;
                   1437:        }
                   1438:        return(1);
                   1439: }
                   1440:
                   1441:
                   1442: /* ARGSUSED */
                   1443: static void
                   1444: termp_sh_post(DECL_ARGS)
                   1445: {
                   1446:
1.86      kristaps 1447:        switch (n->type) {
1.1       kristaps 1448:        case (MDOC_HEAD):
                   1449:                term_newln(p);
                   1450:                break;
                   1451:        case (MDOC_BODY):
                   1452:                term_newln(p);
                   1453:                p->offset = 0;
                   1454:                break;
                   1455:        default:
                   1456:                break;
                   1457:        }
                   1458: }
                   1459:
                   1460:
                   1461: /* ARGSUSED */
                   1462: static int
                   1463: termp_op_pre(DECL_ARGS)
                   1464: {
                   1465:
1.86      kristaps 1466:        switch (n->type) {
1.1       kristaps 1467:        case (MDOC_BODY):
                   1468:                term_word(p, "\\(lB");
                   1469:                p->flags |= TERMP_NOSPACE;
                   1470:                break;
                   1471:        default:
                   1472:                break;
                   1473:        }
                   1474:        return(1);
                   1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static int
                   1480: termp_bt_pre(DECL_ARGS)
                   1481: {
                   1482:
                   1483:        term_word(p, "is currently in beta test.");
1.131     kristaps 1484:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1485:        return(0);
1.1       kristaps 1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static void
                   1491: termp_lb_post(DECL_ARGS)
                   1492: {
                   1493:
1.122     kristaps 1494:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1495:                term_newln(p);
1.1       kristaps 1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_ud_pre(DECL_ARGS)
                   1502: {
                   1503:
                   1504:        term_word(p, "currently under development.");
1.131     kristaps 1505:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1506:        return(0);
1.1       kristaps 1507: }
                   1508:
                   1509:
                   1510: /* ARGSUSED */
                   1511: static int
                   1512: termp_d1_pre(DECL_ARGS)
                   1513: {
                   1514:
1.86      kristaps 1515:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1516:                return(1);
                   1517:        term_newln(p);
1.29      kristaps 1518:        p->offset += (INDENT + 1);
1.1       kristaps 1519:        return(1);
                   1520: }
                   1521:
                   1522:
                   1523: /* ARGSUSED */
                   1524: static void
                   1525: termp_d1_post(DECL_ARGS)
                   1526: {
                   1527:
1.86      kristaps 1528:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1529:                return;
                   1530:        term_newln(p);
                   1531: }
                   1532:
                   1533:
                   1534: /* ARGSUSED */
                   1535: static int
                   1536: termp_aq_pre(DECL_ARGS)
                   1537: {
                   1538:
1.86      kristaps 1539:        if (MDOC_BODY != n->type)
1.1       kristaps 1540:                return(1);
                   1541:        term_word(p, "\\(la");
                   1542:        p->flags |= TERMP_NOSPACE;
                   1543:        return(1);
                   1544: }
                   1545:
                   1546:
                   1547: /* ARGSUSED */
                   1548: static void
                   1549: termp_aq_post(DECL_ARGS)
                   1550: {
                   1551:
1.86      kristaps 1552:        if (MDOC_BODY != n->type)
1.1       kristaps 1553:                return;
                   1554:        p->flags |= TERMP_NOSPACE;
                   1555:        term_word(p, "\\(ra");
                   1556: }
                   1557:
                   1558:
                   1559: /* ARGSUSED */
                   1560: static int
                   1561: termp_ft_pre(DECL_ARGS)
                   1562: {
                   1563:
1.141     kristaps 1564:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1565:        synopsis_pre(p, n);
1.102     kristaps 1566:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1567:        return(1);
                   1568: }
                   1569:
                   1570:
                   1571: /* ARGSUSED */
                   1572: static int
                   1573: termp_fn_pre(DECL_ARGS)
                   1574: {
1.86      kristaps 1575:        const struct mdoc_node  *nn;
1.1       kristaps 1576:
1.143     kristaps 1577:        synopsis_pre(p, n);
1.139     kristaps 1578:
1.102     kristaps 1579:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1580:        term_word(p, n->child->string);
1.102     kristaps 1581:        term_fontpop(p);
1.1       kristaps 1582:
                   1583:        p->flags |= TERMP_NOSPACE;
                   1584:        term_word(p, "(");
                   1585:
1.86      kristaps 1586:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1587:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1588:                term_word(p, nn->string);
1.102     kristaps 1589:                term_fontpop(p);
                   1590:
1.86      kristaps 1591:                if (nn->next)
1.1       kristaps 1592:                        term_word(p, ",");
                   1593:        }
                   1594:
                   1595:        term_word(p, ")");
                   1596:
1.86      kristaps 1597:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1598:                term_word(p, ";");
                   1599:
                   1600:        return(0);
                   1601: }
                   1602:
                   1603:
                   1604: /* ARGSUSED */
                   1605: static int
                   1606: termp_fa_pre(DECL_ARGS)
                   1607: {
1.86      kristaps 1608:        const struct mdoc_node  *nn;
1.1       kristaps 1609:
1.86      kristaps 1610:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1611:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1612:                return(1);
                   1613:        }
                   1614:
1.86      kristaps 1615:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1616:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1617:                term_word(p, nn->string);
1.102     kristaps 1618:                term_fontpop(p);
                   1619:
1.86      kristaps 1620:                if (nn->next)
1.1       kristaps 1621:                        term_word(p, ",");
                   1622:        }
                   1623:
1.86      kristaps 1624:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1625:                term_word(p, ",");
                   1626:
                   1627:        return(0);
                   1628: }
                   1629:
                   1630:
                   1631: /* ARGSUSED */
                   1632: static int
                   1633: termp_bd_pre(DECL_ARGS)
                   1634: {
1.129     schwarze 1635:        size_t                   tabwidth;
1.85      kristaps 1636:        int                      i, type;
1.119     kristaps 1637:        size_t                   rm, rmax;
1.85      kristaps 1638:        const struct mdoc_node  *nn;
1.1       kristaps 1639:
1.86      kristaps 1640:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1641:                print_bvspace(p, n, n);
1.54      kristaps 1642:                return(1);
1.116     kristaps 1643:        } else if (MDOC_HEAD == n->type)
                   1644:                return(0);
1.1       kristaps 1645:
1.86      kristaps 1646:        nn = n->parent;
1.11      kristaps 1647:
1.118     kristaps 1648:        type = arg_disptype(nn);
                   1649:        assert(-1 != type);
                   1650:
                   1651:        if (-1 != (i = arg_getattr(MDOC_Offset, nn)))
                   1652:                p->offset += a2offs(&nn->args->argv[i]);
1.85      kristaps 1653:
                   1654:        /*
                   1655:         * If -ragged or -filled are specified, the block does nothing
                   1656:         * but change the indentation.  If -unfilled or -literal are
                   1657:         * specified, text is printed exactly as entered in the display:
                   1658:         * for macro lines, a newline is appended to the line.  Blank
                   1659:         * lines are allowed.
                   1660:         */
1.60      kristaps 1661:
1.85      kristaps 1662:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1663:                return(1);
                   1664:
1.129     schwarze 1665:        tabwidth = p->tabwidth;
                   1666:        p->tabwidth = 8;
1.119     kristaps 1667:        rm = p->rmargin;
                   1668:        rmax = p->maxrmargin;
1.120     kristaps 1669:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1670:
1.86      kristaps 1671:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1672:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1673:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1674:                if (NULL == nn->prev ||
                   1675:                    nn->prev->line < nn->line ||
                   1676:                    NULL == nn->next)
1.87      kristaps 1677:                        term_flushln(p);
1.1       kristaps 1678:        }
1.129     schwarze 1679:        p->tabwidth = tabwidth;
1.1       kristaps 1680:
1.119     kristaps 1681:        p->rmargin = rm;
                   1682:        p->maxrmargin = rmax;
1.1       kristaps 1683:        return(0);
                   1684: }
                   1685:
                   1686:
                   1687: /* ARGSUSED */
                   1688: static void
                   1689: termp_bd_post(DECL_ARGS)
                   1690: {
1.118     kristaps 1691:        int              type;
1.119     kristaps 1692:        size_t           rm, rmax;
1.1       kristaps 1693:
1.86      kristaps 1694:        if (MDOC_BODY != n->type)
1.1       kristaps 1695:                return;
1.118     kristaps 1696:
                   1697:        type = arg_disptype(n->parent);
                   1698:        assert(-1 != type);
                   1699:
1.119     kristaps 1700:        rm = p->rmargin;
                   1701:        rmax = p->maxrmargin;
1.118     kristaps 1702:
                   1703:        if (MDOC_Literal == type || MDOC_Unfilled == type)
1.120     kristaps 1704:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1705:
1.60      kristaps 1706:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1707:        term_newln(p);
1.118     kristaps 1708:
1.119     kristaps 1709:        p->rmargin = rm;
                   1710:        p->maxrmargin = rmax;
1.1       kristaps 1711: }
                   1712:
                   1713:
                   1714: /* ARGSUSED */
                   1715: static int
                   1716: termp_qq_pre(DECL_ARGS)
                   1717: {
                   1718:
1.86      kristaps 1719:        if (MDOC_BODY != n->type)
1.1       kristaps 1720:                return(1);
                   1721:        term_word(p, "\"");
                   1722:        p->flags |= TERMP_NOSPACE;
                   1723:        return(1);
                   1724: }
                   1725:
                   1726:
                   1727: /* ARGSUSED */
                   1728: static void
                   1729: termp_qq_post(DECL_ARGS)
                   1730: {
                   1731:
1.86      kristaps 1732:        if (MDOC_BODY != n->type)
1.1       kristaps 1733:                return;
                   1734:        p->flags |= TERMP_NOSPACE;
                   1735:        term_word(p, "\"");
                   1736: }
                   1737:
                   1738:
                   1739: /* ARGSUSED */
                   1740: static void
                   1741: termp_bx_post(DECL_ARGS)
                   1742: {
                   1743:
1.86      kristaps 1744:        if (n->child)
1.1       kristaps 1745:                p->flags |= TERMP_NOSPACE;
                   1746:        term_word(p, "BSD");
                   1747: }
                   1748:
                   1749:
                   1750: /* ARGSUSED */
                   1751: static int
1.26      kristaps 1752: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1753: {
1.26      kristaps 1754:        const char      *pp;
1.1       kristaps 1755:
1.26      kristaps 1756:        pp = NULL;
1.86      kristaps 1757:        switch (n->tok) {
1.26      kristaps 1758:        case (MDOC_Bsx):
                   1759:                pp = "BSDI BSD/OS";
                   1760:                break;
                   1761:        case (MDOC_Dx):
1.100     kristaps 1762:                pp = "DragonFly";
1.26      kristaps 1763:                break;
                   1764:        case (MDOC_Fx):
                   1765:                pp = "FreeBSD";
                   1766:                break;
                   1767:        case (MDOC_Nx):
                   1768:                pp = "NetBSD";
                   1769:                break;
                   1770:        case (MDOC_Ox):
                   1771:                pp = "OpenBSD";
                   1772:                break;
                   1773:        case (MDOC_Ux):
                   1774:                pp = "UNIX";
                   1775:                break;
                   1776:        default:
                   1777:                break;
                   1778:        }
1.1       kristaps 1779:
1.26      kristaps 1780:        assert(pp);
                   1781:        term_word(p, pp);
1.1       kristaps 1782:        return(1);
                   1783: }
                   1784:
                   1785:
                   1786: /* ARGSUSED */
                   1787: static int
                   1788: termp_sq_pre(DECL_ARGS)
                   1789: {
                   1790:
1.86      kristaps 1791:        if (MDOC_BODY != n->type)
1.1       kristaps 1792:                return(1);
                   1793:        term_word(p, "\\(oq");
                   1794:        p->flags |= TERMP_NOSPACE;
                   1795:        return(1);
                   1796: }
                   1797:
                   1798:
                   1799: /* ARGSUSED */
                   1800: static void
                   1801: termp_sq_post(DECL_ARGS)
                   1802: {
                   1803:
1.86      kristaps 1804:        if (MDOC_BODY != n->type)
1.1       kristaps 1805:                return;
                   1806:        p->flags |= TERMP_NOSPACE;
                   1807:        term_word(p, "\\(aq");
                   1808: }
                   1809:
                   1810:
                   1811: /* ARGSUSED */
                   1812: static int
                   1813: termp_pf_pre(DECL_ARGS)
                   1814: {
                   1815:
                   1816:        p->flags |= TERMP_IGNDELIM;
                   1817:        return(1);
                   1818: }
                   1819:
                   1820:
                   1821: /* ARGSUSED */
                   1822: static void
                   1823: termp_pf_post(DECL_ARGS)
                   1824: {
                   1825:
                   1826:        p->flags &= ~TERMP_IGNDELIM;
                   1827:        p->flags |= TERMP_NOSPACE;
                   1828: }
                   1829:
                   1830:
                   1831: /* ARGSUSED */
                   1832: static int
                   1833: termp_ss_pre(DECL_ARGS)
                   1834: {
                   1835:
1.86      kristaps 1836:        switch (n->type) {
1.1       kristaps 1837:        case (MDOC_BLOCK):
                   1838:                term_newln(p);
1.86      kristaps 1839:                if (n->prev)
1.1       kristaps 1840:                        term_vspace(p);
                   1841:                break;
                   1842:        case (MDOC_HEAD):
1.102     kristaps 1843:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1844:                p->offset = HALFINDENT;
1.1       kristaps 1845:                break;
                   1846:        default:
                   1847:                break;
                   1848:        }
                   1849:
                   1850:        return(1);
                   1851: }
                   1852:
                   1853:
                   1854: /* ARGSUSED */
                   1855: static void
                   1856: termp_ss_post(DECL_ARGS)
                   1857: {
                   1858:
1.86      kristaps 1859:        if (MDOC_HEAD == n->type)
1.1       kristaps 1860:                term_newln(p);
                   1861: }
                   1862:
                   1863:
                   1864: /* ARGSUSED */
                   1865: static int
                   1866: termp_cd_pre(DECL_ARGS)
                   1867: {
                   1868:
1.143     kristaps 1869:        synopsis_pre(p, n);
1.102     kristaps 1870:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1871:        return(1);
                   1872: }
                   1873:
                   1874:
                   1875: /* ARGSUSED */
                   1876: static int
                   1877: termp_in_pre(DECL_ARGS)
                   1878: {
1.142     schwarze 1879:
1.143     kristaps 1880:        synopsis_pre(p, n);
1.1       kristaps 1881:
1.138     kristaps 1882:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
                   1883:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1884:                term_word(p, "#include");
1.138     kristaps 1885:                term_word(p, "<");
                   1886:        } else {
                   1887:                term_word(p, "<");
                   1888:                term_fontpush(p, TERMFONT_UNDER);
                   1889:        }
1.22      kristaps 1890:
1.1       kristaps 1891:        p->flags |= TERMP_NOSPACE;
                   1892:        return(1);
                   1893: }
                   1894:
                   1895:
                   1896: /* ARGSUSED */
                   1897: static void
                   1898: termp_in_post(DECL_ARGS)
                   1899: {
                   1900:
1.143     kristaps 1901:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1902:                term_fontpush(p, TERMFONT_BOLD);
                   1903:
1.79      kristaps 1904:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1905:        term_word(p, ">");
                   1906:
1.143     kristaps 1907:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1908:                term_fontpop(p);
1.1       kristaps 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: {
                   2017:
1.141     kristaps 2018:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2019:                synopsis_pre(p, n);
1.141     kristaps 2020:                return(1);
                   2021:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2022:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2023:                term_word(p, "(");
                   2024:                p->flags |= TERMP_NOSPACE;
                   2025:                return(1);
1.141     kristaps 2026:        }
                   2027:
                   2028:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2029:
1.141     kristaps 2030:        assert(n->child);
                   2031:        assert(n->child->string);
1.102     kristaps 2032:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2033:        term_word(p, n->child->string);
1.1       kristaps 2034:        return(0);
                   2035: }
                   2036:
                   2037:
                   2038: /* ARGSUSED */
                   2039: static void
                   2040: termp_fo_post(DECL_ARGS)
                   2041: {
                   2042:
1.143     kristaps 2043:        if (MDOC_BODY != n->type)
                   2044:                return;
                   2045:
                   2046:        p->flags |= TERMP_NOSPACE;
                   2047:        term_word(p, ")");
                   2048:
                   2049:        if (SEC_SYNOPSIS == n->sec) {
1.141     kristaps 2050:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2051:                term_word(p, ";");
1.141     kristaps 2052:        }
1.1       kristaps 2053: }
                   2054:
                   2055:
                   2056: /* ARGSUSED */
                   2057: static int
                   2058: termp_bf_pre(DECL_ARGS)
                   2059: {
1.86      kristaps 2060:        const struct mdoc_node  *nn;
1.1       kristaps 2061:
1.86      kristaps 2062:        if (MDOC_HEAD == n->type)
1.1       kristaps 2063:                return(0);
1.86      kristaps 2064:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2065:                return(1);
                   2066:
1.86      kristaps 2067:        if (NULL == (nn = n->head->child)) {
                   2068:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2069:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2070:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2071:                        term_fontpush(p, TERMFONT_BOLD);
                   2072:                else
                   2073:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2074:
                   2075:                return(1);
                   2076:        }
                   2077:
1.86      kristaps 2078:        assert(MDOC_TEXT == nn->type);
                   2079:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2080:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2081:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2082:                term_fontpush(p, TERMFONT_BOLD);
                   2083:        else
                   2084:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2085:
                   2086:        return(1);
                   2087: }
                   2088:
                   2089:
                   2090: /* ARGSUSED */
                   2091: static int
                   2092: termp_sm_pre(DECL_ARGS)
                   2093: {
                   2094:
1.86      kristaps 2095:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2096:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2097:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2098:        else
1.1       kristaps 2099:                p->flags |= TERMP_NONOSPACE;
                   2100:
                   2101:        return(0);
                   2102: }
                   2103:
                   2104:
                   2105: /* ARGSUSED */
                   2106: static int
                   2107: termp_ap_pre(DECL_ARGS)
                   2108: {
                   2109:
                   2110:        p->flags |= TERMP_NOSPACE;
                   2111:        term_word(p, "\\(aq");
                   2112:        p->flags |= TERMP_NOSPACE;
                   2113:        return(1);
                   2114: }
                   2115:
                   2116:
                   2117: /* ARGSUSED */
                   2118: static void
                   2119: termp____post(DECL_ARGS)
                   2120: {
                   2121:
1.95      kristaps 2122:        /* TODO: %U. */
                   2123:
1.1       kristaps 2124:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2125:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2126: }
                   2127:
                   2128:
                   2129: /* ARGSUSED */
                   2130: static int
1.102     kristaps 2131: termp_li_pre(DECL_ARGS)
                   2132: {
                   2133:
                   2134:        term_fontpush(p, TERMFONT_NONE);
                   2135:        return(1);
                   2136: }
                   2137:
                   2138:
                   2139: /* ARGSUSED */
                   2140: static int
1.1       kristaps 2141: termp_lk_pre(DECL_ARGS)
                   2142: {
1.86      kristaps 2143:        const struct mdoc_node *nn;
1.1       kristaps 2144:
1.102     kristaps 2145:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2146:        nn = n->child;
                   2147:
                   2148:        if (NULL == nn->next)
1.12      kristaps 2149:                return(1);
                   2150:
1.86      kristaps 2151:        term_word(p, nn->string);
1.102     kristaps 2152:        term_fontpop(p);
1.96      kristaps 2153:
1.1       kristaps 2154:        p->flags |= TERMP_NOSPACE;
                   2155:        term_word(p, ":");
                   2156:
1.102     kristaps 2157:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2158:        for (nn = nn->next; nn; nn = nn->next)
                   2159:                term_word(p, nn->string);
1.102     kristaps 2160:        term_fontpop(p);
1.12      kristaps 2161:
1.1       kristaps 2162:        return(0);
                   2163: }
                   2164:
                   2165:
                   2166: /* ARGSUSED */
                   2167: static int
1.69      kristaps 2168: termp_under_pre(DECL_ARGS)
1.1       kristaps 2169: {
                   2170:
1.102     kristaps 2171:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2172:        return(1);
                   2173: }

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