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Annotation of mandoc/mdoc_term.c, Revision 1.157

1.157   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.156 2010/06/19 20:46:28 kristaps Exp $ */
1.1       kristaps    2: /*
1.156     kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
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:
1.157   ! kristaps   55: static size_t    a2width(const struct termp *, const char *);
        !            56: static size_t    a2height(const struct termp *, const char *);
        !            57: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   58:
                     59: static int       arg_hasattr(int, const struct mdoc_node *);
                     60: static int       arg_getattr(int, const struct mdoc_node *);
                     61: static void      print_bvspace(struct termp *,
1.151     kristaps   62:                        const struct mdoc_node *,
1.96      kristaps   63:                        const struct mdoc_node *);
1.102     kristaps   64: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   65: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   66: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   67: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   68: static void      synopsis_pre(struct termp *,
                     69:                        const struct mdoc_node *);
1.96      kristaps   70:
1.31      kristaps   71: static void      termp____post(DECL_ARGS);
1.61      kristaps   72: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_aq_post(DECL_ARGS);
                     74: static void      termp_bd_post(DECL_ARGS);
                     75: static void      termp_bl_post(DECL_ARGS);
                     76: static void      termp_bq_post(DECL_ARGS);
                     77: static void      termp_brq_post(DECL_ARGS);
                     78: static void      termp_bx_post(DECL_ARGS);
                     79: static void      termp_d1_post(DECL_ARGS);
                     80: static void      termp_dq_post(DECL_ARGS);
1.143     kristaps   81: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   82: static void      termp_fo_post(DECL_ARGS);
                     83: static void      termp_in_post(DECL_ARGS);
                     84: static void      termp_it_post(DECL_ARGS);
                     85: static void      termp_lb_post(DECL_ARGS);
                     86: static void      termp_op_post(DECL_ARGS);
                     87: static void      termp_pf_post(DECL_ARGS);
                     88: static void      termp_pq_post(DECL_ARGS);
                     89: static void      termp_qq_post(DECL_ARGS);
                     90: static void      termp_sh_post(DECL_ARGS);
                     91: static void      termp_sq_post(DECL_ARGS);
                     92: static void      termp_ss_post(DECL_ARGS);
                     93:
1.61      kristaps   94: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_ap_pre(DECL_ARGS);
                     96: static int       termp_aq_pre(DECL_ARGS);
                     97: static int       termp_bd_pre(DECL_ARGS);
                     98: static int       termp_bf_pre(DECL_ARGS);
1.115     kristaps   99: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  100: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  101: static int       termp_bq_pre(DECL_ARGS);
                    102: static int       termp_brq_pre(DECL_ARGS);
                    103: static int       termp_bt_pre(DECL_ARGS);
                    104: static int       termp_cd_pre(DECL_ARGS);
                    105: static int       termp_d1_pre(DECL_ARGS);
                    106: static int       termp_dq_pre(DECL_ARGS);
                    107: static int       termp_ex_pre(DECL_ARGS);
                    108: static int       termp_fa_pre(DECL_ARGS);
                    109: static int       termp_fl_pre(DECL_ARGS);
                    110: static int       termp_fn_pre(DECL_ARGS);
                    111: static int       termp_fo_pre(DECL_ARGS);
                    112: static int       termp_ft_pre(DECL_ARGS);
                    113: static int       termp_in_pre(DECL_ARGS);
                    114: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  115: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_lk_pre(DECL_ARGS);
                    117: static int       termp_nd_pre(DECL_ARGS);
                    118: static int       termp_nm_pre(DECL_ARGS);
                    119: static int       termp_ns_pre(DECL_ARGS);
                    120: static int       termp_op_pre(DECL_ARGS);
                    121: static int       termp_pf_pre(DECL_ARGS);
                    122: static int       termp_pq_pre(DECL_ARGS);
                    123: static int       termp_qq_pre(DECL_ARGS);
                    124: static int       termp_rs_pre(DECL_ARGS);
                    125: static int       termp_rv_pre(DECL_ARGS);
                    126: static int       termp_sh_pre(DECL_ARGS);
                    127: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  128: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  129: static int       termp_sq_pre(DECL_ARGS);
                    130: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  131: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  132: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  133: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_xr_pre(DECL_ARGS);
                    135: static int       termp_xx_pre(DECL_ARGS);
                    136:
1.70      kristaps  137: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  138:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  139:        { NULL, NULL }, /* Dd */
                    140:        { NULL, NULL }, /* Dt */
                    141:        { NULL, NULL }, /* Os */
                    142:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    143:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  144:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  145:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    146:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    147:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    148:        { NULL, NULL }, /* Ed */
1.115     kristaps  149:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  150:        { NULL, NULL }, /* El */
                    151:        { termp_it_pre, termp_it_post }, /* It */
                    152:        { NULL, NULL }, /* Ad */
1.61      kristaps  153:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  154:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  155:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  156:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  157:        { NULL, NULL }, /* Dv */
                    158:        { NULL, NULL }, /* Er */
                    159:        { NULL, NULL }, /* Ev */
                    160:        { termp_ex_pre, NULL }, /* Ex */
                    161:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  162:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  163:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  164:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  165:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  166:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  167:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  168:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  169:        { termp_nd_pre, NULL }, /* Nd */
                    170:        { termp_nm_pre, NULL }, /* Nm */
                    171:        { termp_op_pre, termp_op_post }, /* Op */
                    172:        { NULL, NULL }, /* Ot */
1.69      kristaps  173:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  174:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  175:        { NULL, NULL }, /* St */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  177:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  178:        { termp_xr_pre, NULL }, /* Xr */
                    179:        { NULL, termp____post }, /* %A */
1.84      kristaps  180:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  181:        { NULL, termp____post }, /* %D */
1.84      kristaps  182:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  183:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  184:        { NULL, termp____post }, /* %N */
                    185:        { NULL, termp____post }, /* %O */
                    186:        { NULL, termp____post }, /* %P */
                    187:        { NULL, termp____post }, /* %R */
1.117     kristaps  188:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  189:        { NULL, termp____post }, /* %V */
                    190:        { NULL, NULL }, /* Ac */
                    191:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    192:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  193:        { NULL, NULL }, /* At */
1.1       kristaps  194:        { NULL, NULL }, /* Bc */
                    195:        { termp_bf_pre, NULL }, /* Bf */
                    196:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    197:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  198:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  199:        { NULL, termp_bx_post }, /* Bx */
                    200:        { NULL, NULL }, /* Db */
                    201:        { NULL, NULL }, /* Dc */
                    202:        { termp_dq_pre, termp_dq_post }, /* Do */
                    203:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  204:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  205:        { NULL, NULL }, /* Ef */
1.69      kristaps  206:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  207:        { NULL, NULL }, /* Eo */
1.26      kristaps  208:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  209:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  210:        { NULL, NULL }, /* No */
                    211:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  212:        { termp_xx_pre, NULL }, /* Nx */
                    213:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  214:        { NULL, NULL }, /* Pc */
                    215:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    216:        { termp_pq_pre, termp_pq_post }, /* Po */
                    217:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    218:        { NULL, NULL }, /* Qc */
                    219:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    220:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    221:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    222:        { NULL, NULL }, /* Re */
                    223:        { termp_rs_pre, NULL }, /* Rs */
                    224:        { NULL, NULL }, /* Sc */
                    225:        { termp_sq_pre, termp_sq_post }, /* So */
                    226:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    227:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  228:        { termp_under_pre, NULL }, /* Sx */
                    229:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  230:        { NULL, NULL }, /* Tn */
1.26      kristaps  231:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  232:        { NULL, NULL }, /* Xc */
                    233:        { NULL, NULL }, /* Xo */
                    234:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    235:        { NULL, NULL }, /* Fc */
                    236:        { termp_op_pre, termp_op_post }, /* Oo */
                    237:        { NULL, NULL }, /* Oc */
                    238:        { NULL, NULL }, /* Bk */
                    239:        { NULL, NULL }, /* Ek */
                    240:        { termp_bt_pre, NULL }, /* Bt */
                    241:        { NULL, NULL }, /* Hf */
                    242:        { NULL, NULL }, /* Fr */
                    243:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  244:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  245:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  246:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  247:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  248:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    249:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    250:        { NULL, NULL }, /* Brc */
1.83      kristaps  251:        { NULL, termp____post }, /* %C */
1.81      kristaps  252:        { NULL, NULL }, /* Es */ /* TODO */
                    253:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  254:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  255:        { NULL, termp____post }, /* %Q */
1.76      kristaps  256:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  257:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  258:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  259:        { NULL, NULL }, /* Ta */
1.1       kristaps  260: };
                    261:
                    262:
1.70      kristaps  263: void
1.89      kristaps  264: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  265: {
1.70      kristaps  266:        const struct mdoc_node  *n;
                    267:        const struct mdoc_meta  *m;
1.89      kristaps  268:        struct termp            *p;
                    269:
                    270:        p = (struct termp *)arg;
1.111     kristaps  271:
                    272:        p->overstep = 0;
1.123     joerg     273:        p->maxrmargin = p->defrmargin;
1.157   ! kristaps  274:        p->tabwidth = term_len(p, 5);
1.89      kristaps  275:
                    276:        if (NULL == p->symtab)
                    277:                switch (p->enc) {
                    278:                case (TERMENC_ASCII):
                    279:                        p->symtab = chars_init(CHARS_ASCII);
                    280:                        break;
                    281:                default:
                    282:                        abort();
                    283:                        /* NOTREACHED */
                    284:                }
1.70      kristaps  285:
                    286:        n = mdoc_node(mdoc);
                    287:        m = mdoc_meta(mdoc);
1.146     schwarze  288:
                    289:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  290:
                    291:        if (n->child)
1.102     kristaps  292:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  293:
                    294:        term_end(p);
1.1       kristaps  295: }
                    296:
                    297:
1.3       kristaps  298: static void
1.102     kristaps  299: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  300: {
                    301:
1.102     kristaps  302:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  303:        if (n->next)
1.102     kristaps  304:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  305: }
                    306:
                    307:
1.70      kristaps  308: /* ARGSUSED */
1.3       kristaps  309: static void
1.102     kristaps  310: print_mdoc_node(DECL_ARGS)
1.1       kristaps  311: {
1.102     kristaps  312:        int              chld;
                    313:        const void      *font;
1.1       kristaps  314:        struct termpair  npair;
1.30      kristaps  315:        size_t           offset, rmargin;
1.1       kristaps  316:
1.70      kristaps  317:        chld = 1;
1.29      kristaps  318:        offset = p->offset;
1.30      kristaps  319:        rmargin = p->rmargin;
1.102     kristaps  320:        font = term_fontq(p);
1.29      kristaps  321:
1.97      kristaps  322:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  323:        npair.ppair = pair;
1.46      kristaps  324:
1.86      kristaps  325:        if (MDOC_TEXT != n->type) {
                    326:                if (termacts[n->tok].pre)
                    327:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  328:        } else
1.86      kristaps  329:                term_word(p, n->string);
1.102     kristaps  330:
1.86      kristaps  331:        if (chld && n->child)
1.102     kristaps  332:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  333:
1.102     kristaps  334:        term_fontpopq(p, font);
1.46      kristaps  335:
1.86      kristaps  336:        if (MDOC_TEXT != n->type)
                    337:                if (termacts[n->tok].post)
                    338:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  339:
                    340:        if (MDOC_EOS & n->flags)
                    341:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  342:
                    343:        p->offset = offset;
1.30      kristaps  344:        p->rmargin = rmargin;
1.1       kristaps  345: }
                    346:
                    347:
1.3       kristaps  348: static void
1.145     kristaps  349: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  350: {
1.98      kristaps  351:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  352:        const struct mdoc_meta *m;
                    353:
                    354:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  355:
1.102     kristaps  356:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  357:
1.9       kristaps  358:        /*
                    359:         * Output the footer in new-groff style, that is, three columns
                    360:         * with the middle being the manual date and flanking columns
                    361:         * being the operating system:
                    362:         *
                    363:         * SYSTEM                  DATE                    SYSTEM
                    364:         */
                    365:
1.94      kristaps  366:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  367:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  368:
                    369:        term_vspace(p);
                    370:
1.9       kristaps  371:        p->offset = 0;
1.157   ! kristaps  372:        p->rmargin = (p->maxrmargin -
        !           373:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  374:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    375:
                    376:        term_word(p, os);
                    377:        term_flushln(p);
                    378:
1.9       kristaps  379:        p->offset = p->rmargin;
1.157   ! kristaps  380:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  381:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  382:
                    383:        term_word(p, buf);
                    384:        term_flushln(p);
                    385:
1.1       kristaps  386:        p->offset = p->rmargin;
                    387:        p->rmargin = p->maxrmargin;
                    388:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  389:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  390:
1.9       kristaps  391:        term_word(p, os);
1.1       kristaps  392:        term_flushln(p);
                    393:
1.9       kristaps  394:        p->offset = 0;
                    395:        p->rmargin = p->maxrmargin;
                    396:        p->flags = 0;
1.1       kristaps  397: }
                    398:
                    399:
1.3       kristaps  400: static void
1.144     kristaps  401: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  402: {
1.98      kristaps  403:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  404:        const struct mdoc_meta *m;
                    405:
                    406:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  407:
                    408:        p->rmargin = p->maxrmargin;
                    409:        p->offset = 0;
                    410:
                    411:        /*
                    412:         * The header is strange.  It has three components, which are
                    413:         * really two with the first duplicated.  It goes like this:
                    414:         *
                    415:         * IDENTIFIER              TITLE                   IDENTIFIER
                    416:         *
                    417:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    418:         * (if given, or "unknown" if not) followed by the manual page
                    419:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    420:         * string depending on the manual volume.  If not specified, it
                    421:         * switches on the manual section.
                    422:         */
                    423:
1.86      kristaps  424:        assert(m->vol);
1.98      kristaps  425:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  426:
1.86      kristaps  427:        if (m->arch) {
1.98      kristaps  428:                strlcat(buf, " (", BUFSIZ);
                    429:                strlcat(buf, m->arch, BUFSIZ);
                    430:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  431:        }
                    432:
1.124     kristaps  433:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  434:
                    435:        p->offset = 0;
1.157   ! kristaps  436:        p->rmargin = (p->maxrmargin -
        !           437:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  438:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    439:
                    440:        term_word(p, title);
                    441:        term_flushln(p);
                    442:
                    443:        p->offset = p->rmargin;
1.157   ! kristaps  444:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  445:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  446:
                    447:        term_word(p, buf);
                    448:        term_flushln(p);
                    449:
                    450:        p->offset = p->rmargin;
                    451:        p->rmargin = p->maxrmargin;
                    452:        p->flags &= ~TERMP_NOBREAK;
                    453:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    454:
                    455:        term_word(p, title);
                    456:        term_flushln(p);
                    457:
1.9       kristaps  458:        p->offset = 0;
1.1       kristaps  459:        p->rmargin = p->maxrmargin;
                    460:        p->flags &= ~TERMP_NOSPACE;
                    461: }
                    462:
                    463:
                    464: static size_t
1.157   ! kristaps  465: a2height(const struct termp *p, const char *v)
1.1       kristaps  466: {
1.92      kristaps  467:        struct roffsu    su;
1.91      kristaps  468:
1.157   ! kristaps  469:        assert(v);
        !           470:        if ( ! a2roffsu(v, &su, SCALE_VS))
        !           471:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  472:
1.157   ! kristaps  473:        return(term_vspan(p, &su));
1.91      kristaps  474: }
1.1       kristaps  475:
1.40      kristaps  476:
1.91      kristaps  477: static size_t
1.157   ! kristaps  478: a2width(const struct termp *p, const char *v)
1.91      kristaps  479: {
1.92      kristaps  480:        struct roffsu    su;
1.1       kristaps  481:
1.154     kristaps  482:        assert(v);
                    483:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157   ! kristaps  484:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  485:
1.157   ! kristaps  486:        return(term_hspan(p, &su));
1.1       kristaps  487: }
                    488:
                    489:
                    490: static size_t
1.157   ! kristaps  491: a2offs(const struct termp *p, const char *v)
1.1       kristaps  492: {
1.92      kristaps  493:        struct roffsu    su;
1.1       kristaps  494:
1.148     kristaps  495:        if ('\0' == *v)
1.91      kristaps  496:                return(0);
1.148     kristaps  497:        else if (0 == strcmp(v, "left"))
1.19      kristaps  498:                return(0);
1.148     kristaps  499:        else if (0 == strcmp(v, "indent"))
1.157   ! kristaps  500:                return(term_len(p, INDENT + 1));
1.148     kristaps  501:        else if (0 == strcmp(v, "indent-two"))
1.157   ! kristaps  502:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  503:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157   ! kristaps  504:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  505:
1.157   ! kristaps  506:        return(term_hspan(p, &su));
1.1       kristaps  507: }
                    508:
                    509:
1.108     kristaps  510: /*
                    511:  * Return 1 if an argument has a particular argument value or 0 if it
                    512:  * does not.  See arg_getattr().
                    513:  */
1.1       kristaps  514: static int
                    515: arg_hasattr(int arg, const struct mdoc_node *n)
                    516: {
                    517:
                    518:        return(-1 != arg_getattr(arg, n));
                    519: }
                    520:
                    521:
1.108     kristaps  522: /*
                    523:  * Get the index of an argument in a node's argument list or -1 if it
1.155     kristaps  524:  * does not exist.
1.108     kristaps  525:  */
1.1       kristaps  526: static int
                    527: arg_getattr(int v, const struct mdoc_node *n)
                    528: {
1.155     kristaps  529:        int              i;
1.1       kristaps  530:
                    531:        if (NULL == n->args)
                    532:                return(0);
                    533:
1.155     kristaps  534:        for (i = 0; i < (int)n->args->argc; i++)
                    535:                if (n->args->argv[i].arg == v)
                    536:                        return(i);
                    537:
                    538:        return(-1);
1.1       kristaps  539: }
                    540:
                    541:
1.108     kristaps  542: /*
                    543:  * Determine how much space to print out before block elements of `It'
                    544:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    545:  * too.
                    546:  */
1.54      kristaps  547: static void
1.151     kristaps  548: print_bvspace(struct termp *p,
                    549:                const struct mdoc_node *bl,
                    550:                const struct mdoc_node *n)
1.1       kristaps  551: {
1.86      kristaps  552:        const struct mdoc_node  *nn;
1.1       kristaps  553:
                    554:        term_newln(p);
1.150     kristaps  555:
1.151     kristaps  556:        if (MDOC_Bd == bl->tok && bl->data.Bd.comp)
1.150     kristaps  557:                return;
1.151     kristaps  558:        if (MDOC_Bl == bl->tok && bl->data.Bl.comp)
1.54      kristaps  559:                return;
                    560:
1.85      kristaps  561:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  562:
1.86      kristaps  563:        for (nn = n; nn; nn = nn->parent) {
                    564:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  565:                        continue;
1.86      kristaps  566:                if (MDOC_Ss == nn->tok)
1.54      kristaps  567:                        return;
1.86      kristaps  568:                if (MDOC_Sh == nn->tok)
1.54      kristaps  569:                        return;
1.86      kristaps  570:                if (NULL == nn->prev)
1.1       kristaps  571:                        continue;
                    572:                break;
                    573:        }
                    574:
1.85      kristaps  575:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  576:
1.151     kristaps  577:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl.type)
1.86      kristaps  578:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  579:                        return;
                    580:
1.85      kristaps  581:        /* A `-diag' without body does not vspace. */
                    582:
1.151     kristaps  583:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl.type)
1.86      kristaps  584:                if (n->prev && MDOC_It == n->prev->tok) {
                    585:                        assert(n->prev->body);
                    586:                        if (NULL == n->prev->body->child)
1.55      kristaps  587:                                return;
                    588:                }
                    589:
1.54      kristaps  590:        term_vspace(p);
1.1       kristaps  591: }
                    592:
                    593:
                    594: /* ARGSUSED */
                    595: static int
                    596: termp_dq_pre(DECL_ARGS)
                    597: {
                    598:
1.86      kristaps  599:        if (MDOC_BODY != n->type)
1.1       kristaps  600:                return(1);
                    601:
                    602:        term_word(p, "\\(lq");
                    603:        p->flags |= TERMP_NOSPACE;
                    604:        return(1);
                    605: }
                    606:
                    607:
                    608: /* ARGSUSED */
                    609: static void
                    610: termp_dq_post(DECL_ARGS)
                    611: {
                    612:
1.86      kristaps  613:        if (MDOC_BODY != n->type)
1.1       kristaps  614:                return;
                    615:
                    616:        p->flags |= TERMP_NOSPACE;
                    617:        term_word(p, "\\(rq");
                    618: }
                    619:
                    620:
                    621: /* ARGSUSED */
                    622: static int
                    623: termp_it_pre(DECL_ARGS)
                    624: {
1.86      kristaps  625:        const struct mdoc_node *bl, *nn;
1.1       kristaps  626:        char                    buf[7];
1.155     kristaps  627:        int                     i, col;
1.108     kristaps  628:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  629:        enum mdoc_list          type;
1.1       kristaps  630:
1.86      kristaps  631:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  632:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  633:                return(1);
                    634:        }
1.1       kristaps  635:
1.86      kristaps  636:        bl = n->parent->parent->parent;
1.149     kristaps  637:        type = bl->data.Bl.type;
1.1       kristaps  638:
1.108     kristaps  639:        /*
                    640:         * First calculate width and offset.  This is pretty easy unless
                    641:         * we're a -column list, in which case all prior columns must
                    642:         * be accounted for.
                    643:         */
                    644:
                    645:        width = offset = 0;
                    646:
1.152     kristaps  647:        if (bl->data.Bl.offs)
1.157   ! kristaps  648:                offset = a2offs(p, bl->data.Bl.offs);
1.152     kristaps  649:
1.1       kristaps  650:        switch (type) {
1.126     kristaps  651:        case (LIST_column):
1.134     kristaps  652:                if (MDOC_HEAD == n->type)
1.1       kristaps  653:                        break;
1.155     kristaps  654:
                    655:                col = arg_getattr(MDOC_Column, bl);
                    656:
1.105     kristaps  657:                /*
1.108     kristaps  658:                 * Imitate groff's column handling:
                    659:                 * - For each earlier column, add its width.
                    660:                 * - For less than 5 columns, add four more blanks per
                    661:                 *   column.
                    662:                 * - For exactly 5 columns, add three more blank per
                    663:                 *   column.
                    664:                 * - For more than 5 columns, add only one column.
1.105     kristaps  665:                 */
1.155     kristaps  666:                ncols = bl->args->argv[col].sz;
1.108     kristaps  667:                /* LINTED */
1.157   ! kristaps  668:                dcol = ncols < 5 ? term_len(p, 4) :
        !           669:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  670:
1.134     kristaps  671:                /*
                    672:                 * Calculate the offset by applying all prior MDOC_BODY,
                    673:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    674:                 */
                    675:
1.108     kristaps  676:                for (i = 0, nn = n->prev;
1.134     kristaps  677:                                nn->prev && i < (int)ncols;
1.108     kristaps  678:                                nn = nn->prev, i++)
                    679:                        offset += dcol + a2width
1.157   ! kristaps  680:                                (p, bl->args->argv[col].value[i]);
1.105     kristaps  681:
                    682:                /*
1.108     kristaps  683:                 * When exceeding the declared number of columns, leave
                    684:                 * the remaining widths at 0.  This will later be
                    685:                 * adjusted to the default width of 10, or, for the last
                    686:                 * column, stretched to the right margin.
1.58      kristaps  687:                 */
1.108     kristaps  688:                if (i >= (int)ncols)
                    689:                        break;
1.58      kristaps  690:
1.105     kristaps  691:                /*
1.108     kristaps  692:                 * Use the declared column widths, extended as explained
                    693:                 * in the preceding paragraph.
1.105     kristaps  694:                 */
1.157   ! kristaps  695:                width = a2width(p, bl->args->argv[col].value[i]) + dcol;
1.1       kristaps  696:                break;
                    697:        default:
1.154     kristaps  698:                if (NULL == bl->data.Bl.width)
1.108     kristaps  699:                        break;
                    700:
                    701:                /*
                    702:                 * Note: buffer the width by 2, which is groff's magic
                    703:                 * number for buffering single arguments.  See the above
                    704:                 * handling for column for how this changes.
                    705:                 */
1.153     kristaps  706:                assert(bl->data.Bl.width);
1.157   ! kristaps  707:                width = a2width(p, bl->data.Bl.width) + term_len(p, 2);
1.1       kristaps  708:                break;
                    709:        }
                    710:
                    711:        /*
                    712:         * List-type can override the width in the case of fixed-head
                    713:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  714:         * offset.
1.1       kristaps  715:         */
                    716:
                    717:        switch (type) {
1.126     kristaps  718:        case (LIST_bullet):
1.1       kristaps  719:                /* FALLTHROUGH */
1.126     kristaps  720:        case (LIST_dash):
1.1       kristaps  721:                /* FALLTHROUGH */
1.126     kristaps  722:        case (LIST_hyphen):
1.157   ! kristaps  723:                if (width < term_len(p, 4))
        !           724:                        width = term_len(p, 4);
1.1       kristaps  725:                break;
1.126     kristaps  726:        case (LIST_enum):
1.157   ! kristaps  727:                if (width < term_len(p, 5))
        !           728:                        width = term_len(p, 5);
1.17      kristaps  729:                break;
1.126     kristaps  730:        case (LIST_hang):
1.39      kristaps  731:                if (0 == width)
1.157   ! kristaps  732:                        width = term_len(p, 8);
1.39      kristaps  733:                break;
1.126     kristaps  734:        case (LIST_column):
1.49      kristaps  735:                /* FALLTHROUGH */
1.126     kristaps  736:        case (LIST_tag):
1.1       kristaps  737:                if (0 == width)
1.157   ! kristaps  738:                        width = term_len(p, 10);
1.1       kristaps  739:                break;
                    740:        default:
                    741:                break;
                    742:        }
                    743:
                    744:        /*
1.17      kristaps  745:         * Whitespace control.  Inset bodies need an initial space,
                    746:         * while diagonal bodies need two.
1.1       kristaps  747:         */
                    748:
1.51      kristaps  749:        p->flags |= TERMP_NOSPACE;
                    750:
1.1       kristaps  751:        switch (type) {
1.126     kristaps  752:        case (LIST_diag):
1.86      kristaps  753:                if (MDOC_BODY == n->type)
1.62      kristaps  754:                        term_word(p, "\\ \\ ");
1.51      kristaps  755:                break;
1.126     kristaps  756:        case (LIST_inset):
1.86      kristaps  757:                if (MDOC_BODY == n->type)
1.51      kristaps  758:                        term_word(p, "\\ ");
1.1       kristaps  759:                break;
                    760:        default:
                    761:                break;
                    762:        }
                    763:
1.51      kristaps  764:        p->flags |= TERMP_NOSPACE;
                    765:
1.1       kristaps  766:        switch (type) {
1.126     kristaps  767:        case (LIST_diag):
1.86      kristaps  768:                if (MDOC_HEAD == n->type)
1.102     kristaps  769:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  770:                break;
                    771:        default:
                    772:                break;
                    773:        }
                    774:
                    775:        /*
1.109     kristaps  776:         * Pad and break control.  This is the tricky part.  These flags
                    777:         * are documented in term_flushln() in term.c.  Note that we're
                    778:         * going to unset all of these flags in termp_it_post() when we
                    779:         * exit.
1.1       kristaps  780:         */
                    781:
                    782:        switch (type) {
1.126     kristaps  783:        case (LIST_bullet):
1.1       kristaps  784:                /* FALLTHROUGH */
1.126     kristaps  785:        case (LIST_dash):
1.1       kristaps  786:                /* FALLTHROUGH */
1.126     kristaps  787:        case (LIST_enum):
1.1       kristaps  788:                /* FALLTHROUGH */
1.126     kristaps  789:        case (LIST_hyphen):
1.86      kristaps  790:                if (MDOC_HEAD == n->type)
1.39      kristaps  791:                        p->flags |= TERMP_NOBREAK;
                    792:                else
                    793:                        p->flags |= TERMP_NOLPAD;
                    794:                break;
1.126     kristaps  795:        case (LIST_hang):
1.86      kristaps  796:                if (MDOC_HEAD == n->type)
1.39      kristaps  797:                        p->flags |= TERMP_NOBREAK;
                    798:                else
                    799:                        p->flags |= TERMP_NOLPAD;
                    800:
1.86      kristaps  801:                if (MDOC_HEAD != n->type)
1.59      kristaps  802:                        break;
                    803:
                    804:                /*
                    805:                 * This is ugly.  If `-hang' is specified and the body
                    806:                 * is a `Bl' or `Bd', then we want basically to nullify
                    807:                 * the "overstep" effect in term_flushln() and treat
                    808:                 * this as a `-ohang' list instead.
                    809:                 */
1.86      kristaps  810:                if (n->next->child &&
                    811:                                (MDOC_Bl == n->next->child->tok ||
                    812:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  813:                        p->flags &= ~TERMP_NOBREAK;
                    814:                        p->flags &= ~TERMP_NOLPAD;
                    815:                } else
1.39      kristaps  816:                        p->flags |= TERMP_HANG;
                    817:                break;
1.126     kristaps  818:        case (LIST_tag):
1.86      kristaps  819:                if (MDOC_HEAD == n->type)
1.51      kristaps  820:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  821:                else
                    822:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  823:
1.86      kristaps  824:                if (MDOC_HEAD != n->type)
1.39      kristaps  825:                        break;
1.86      kristaps  826:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  827:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  828:                break;
1.126     kristaps  829:        case (LIST_column):
1.134     kristaps  830:                if (MDOC_HEAD == n->type)
                    831:                        break;
                    832:
                    833:                if (NULL == n->next)
                    834:                        p->flags &= ~TERMP_NOBREAK;
                    835:                else
                    836:                        p->flags |= TERMP_NOBREAK;
                    837:
                    838:                assert(n->prev);
                    839:                if (MDOC_BODY == n->prev->type)
                    840:                        p->flags |= TERMP_NOLPAD;
                    841:
1.1       kristaps  842:                break;
1.126     kristaps  843:        case (LIST_diag):
1.86      kristaps  844:                if (MDOC_HEAD == n->type)
1.1       kristaps  845:                        p->flags |= TERMP_NOBREAK;
                    846:                break;
                    847:        default:
                    848:                break;
                    849:        }
                    850:
                    851:        /*
                    852:         * Margin control.  Set-head-width lists have their right
                    853:         * margins shortened.  The body for these lists has the offset
                    854:         * necessarily lengthened.  Everybody gets the offset.
                    855:         */
                    856:
                    857:        p->offset += offset;
                    858:
                    859:        switch (type) {
1.126     kristaps  860:        case (LIST_hang):
1.59      kristaps  861:                /*
                    862:                 * Same stipulation as above, regarding `-hang'.  We
                    863:                 * don't want to recalculate rmargin and offsets when
                    864:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    865:                 */
1.86      kristaps  866:                if (MDOC_HEAD == n->type && n->next->child &&
                    867:                                (MDOC_Bl == n->next->child->tok ||
                    868:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  869:                        break;
                    870:                /* FALLTHROUGH */
1.126     kristaps  871:        case (LIST_bullet):
1.1       kristaps  872:                /* FALLTHROUGH */
1.126     kristaps  873:        case (LIST_dash):
1.1       kristaps  874:                /* FALLTHROUGH */
1.126     kristaps  875:        case (LIST_enum):
1.1       kristaps  876:                /* FALLTHROUGH */
1.126     kristaps  877:        case (LIST_hyphen):
1.1       kristaps  878:                /* FALLTHROUGH */
1.126     kristaps  879:        case (LIST_tag):
1.49      kristaps  880:                assert(width);
1.86      kristaps  881:                if (MDOC_HEAD == n->type)
1.1       kristaps  882:                        p->rmargin = p->offset + width;
                    883:                else
                    884:                        p->offset += width;
                    885:                break;
1.126     kristaps  886:        case (LIST_column):
1.49      kristaps  887:                assert(width);
1.1       kristaps  888:                p->rmargin = p->offset + width;
1.50      kristaps  889:                /*
                    890:                 * XXX - this behaviour is not documented: the
                    891:                 * right-most column is filled to the right margin.
                    892:                 */
1.134     kristaps  893:                if (MDOC_HEAD == n->type)
                    894:                        break;
                    895:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  896:                        p->rmargin = p->maxrmargin;
1.1       kristaps  897:                break;
                    898:        default:
                    899:                break;
                    900:        }
                    901:
                    902:        /*
                    903:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  904:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  905:         */
                    906:
1.86      kristaps  907:        if (MDOC_HEAD == n->type)
1.1       kristaps  908:                switch (type) {
1.126     kristaps  909:                case (LIST_bullet):
1.102     kristaps  910:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  911:                        term_word(p, "\\[bu]");
1.102     kristaps  912:                        term_fontpop(p);
1.1       kristaps  913:                        break;
1.126     kristaps  914:                case (LIST_dash):
1.1       kristaps  915:                        /* FALLTHROUGH */
1.126     kristaps  916:                case (LIST_hyphen):
1.102     kristaps  917:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  918:                        term_word(p, "\\(hy");
1.102     kristaps  919:                        term_fontpop(p);
1.1       kristaps  920:                        break;
1.126     kristaps  921:                case (LIST_enum):
1.1       kristaps  922:                        (pair->ppair->ppair->count)++;
1.109     kristaps  923:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  924:                                        pair->ppair->ppair->count);
                    925:                        term_word(p, buf);
                    926:                        break;
                    927:                default:
                    928:                        break;
                    929:                }
                    930:
                    931:        /*
                    932:         * If we're not going to process our children, indicate so here.
                    933:         */
                    934:
                    935:        switch (type) {
1.126     kristaps  936:        case (LIST_bullet):
1.1       kristaps  937:                /* FALLTHROUGH */
1.126     kristaps  938:        case (LIST_item):
1.1       kristaps  939:                /* FALLTHROUGH */
1.126     kristaps  940:        case (LIST_dash):
1.1       kristaps  941:                /* FALLTHROUGH */
1.126     kristaps  942:        case (LIST_hyphen):
1.1       kristaps  943:                /* FALLTHROUGH */
1.126     kristaps  944:        case (LIST_enum):
1.86      kristaps  945:                if (MDOC_HEAD == n->type)
1.1       kristaps  946:                        return(0);
                    947:                break;
1.126     kristaps  948:        case (LIST_column):
1.134     kristaps  949:                if (MDOC_HEAD == n->type)
1.1       kristaps  950:                        return(0);
                    951:                break;
                    952:        default:
                    953:                break;
                    954:        }
                    955:
                    956:        return(1);
                    957: }
                    958:
                    959:
                    960: /* ARGSUSED */
                    961: static void
                    962: termp_it_post(DECL_ARGS)
                    963: {
1.126     kristaps  964:        enum mdoc_list     type;
1.1       kristaps  965:
1.109     kristaps  966:        if (MDOC_BLOCK == n->type)
1.1       kristaps  967:                return;
                    968:
1.149     kristaps  969:        type = n->parent->parent->parent->data.Bl.type;
1.1       kristaps  970:
                    971:        switch (type) {
1.126     kristaps  972:        case (LIST_item):
1.1       kristaps  973:                /* FALLTHROUGH */
1.126     kristaps  974:        case (LIST_diag):
1.53      kristaps  975:                /* FALLTHROUGH */
1.126     kristaps  976:        case (LIST_inset):
1.86      kristaps  977:                if (MDOC_BODY == n->type)
1.130     schwarze  978:                        term_newln(p);
1.1       kristaps  979:                break;
1.126     kristaps  980:        case (LIST_column):
1.134     kristaps  981:                if (MDOC_BODY == n->type)
1.1       kristaps  982:                        term_flushln(p);
                    983:                break;
                    984:        default:
1.130     schwarze  985:                term_newln(p);
1.1       kristaps  986:                break;
                    987:        }
                    988:
1.109     kristaps  989:        /*
                    990:         * Now that our output is flushed, we can reset our tags.  Since
                    991:         * only `It' sets these flags, we're free to assume that nobody
                    992:         * has munged them in the meanwhile.
                    993:         */
                    994:
                    995:        p->flags &= ~TERMP_DANGLE;
                    996:        p->flags &= ~TERMP_NOBREAK;
                    997:        p->flags &= ~TERMP_TWOSPACE;
                    998:        p->flags &= ~TERMP_NOLPAD;
                    999:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1000: }
                   1001:
                   1002:
                   1003: /* ARGSUSED */
                   1004: static int
                   1005: termp_nm_pre(DECL_ARGS)
                   1006: {
                   1007:
1.125     kristaps 1008:        if (NULL == n->child && NULL == m->name)
1.127     joerg    1009:                return(1);
1.125     kristaps 1010:
1.143     kristaps 1011:        synopsis_pre(p, n);
1.102     kristaps 1012:
                   1013:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1014:        if (NULL == n->child)
                   1015:                term_word(p, m->name);
1.1       kristaps 1016:        return(1);
                   1017: }
                   1018:
                   1019:
                   1020: /* ARGSUSED */
                   1021: static int
                   1022: termp_fl_pre(DECL_ARGS)
                   1023: {
                   1024:
1.102     kristaps 1025:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1026:        term_word(p, "\\-");
1.103     kristaps 1027:
                   1028:        if (n->child)
1.114     kristaps 1029:                p->flags |= TERMP_NOSPACE;
                   1030:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1031:                p->flags |= TERMP_NOSPACE;
                   1032:
1.1       kristaps 1033:        return(1);
                   1034: }
                   1035:
                   1036:
                   1037: /* ARGSUSED */
                   1038: static int
1.61      kristaps 1039: termp_an_pre(DECL_ARGS)
                   1040: {
                   1041:
1.86      kristaps 1042:        if (NULL == n->child)
1.61      kristaps 1043:                return(1);
                   1044:
                   1045:        /*
1.85      kristaps 1046:         * If not in the AUTHORS section, `An -split' will cause
                   1047:         * newlines to occur before the author name.  If in the AUTHORS
                   1048:         * section, by default, the first `An' invocation is nosplit,
                   1049:         * then all subsequent ones, regardless of whether interspersed
                   1050:         * with other macros/text, are split.  -split, in this case,
                   1051:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1052:         */
                   1053:
1.86      kristaps 1054:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1055:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1056:                        if (TERMP_SPLIT & p->flags)
                   1057:                                term_newln(p);
                   1058:                        return(1);
                   1059:                }
                   1060:                if (TERMP_NOSPLIT & p->flags)
                   1061:                        return(1);
                   1062:                term_newln(p);
                   1063:                return(1);
                   1064:        }
                   1065:
                   1066:        if (TERMP_SPLIT & p->flags)
                   1067:                term_newln(p);
                   1068:
                   1069:        return(1);
                   1070: }
                   1071:
                   1072:
                   1073: /* ARGSUSED */
                   1074: static void
                   1075: termp_an_post(DECL_ARGS)
                   1076: {
                   1077:
1.86      kristaps 1078:        if (n->child) {
                   1079:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1080:                        p->flags |= TERMP_ANPREC;
                   1081:                return;
                   1082:        }
                   1083:
1.118     kristaps 1084:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1085:                p->flags &= ~TERMP_NOSPLIT;
                   1086:                p->flags |= TERMP_SPLIT;
                   1087:        } else {
                   1088:                p->flags &= ~TERMP_SPLIT;
                   1089:                p->flags |= TERMP_NOSPLIT;
                   1090:        }
                   1091:
                   1092: }
                   1093:
                   1094:
                   1095: /* ARGSUSED */
                   1096: static int
1.1       kristaps 1097: termp_ns_pre(DECL_ARGS)
                   1098: {
                   1099:
                   1100:        p->flags |= TERMP_NOSPACE;
                   1101:        return(1);
                   1102: }
                   1103:
                   1104:
                   1105: /* ARGSUSED */
                   1106: static int
                   1107: termp_rs_pre(DECL_ARGS)
                   1108: {
                   1109:
1.86      kristaps 1110:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1111:                return(1);
1.86      kristaps 1112:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1113:                term_vspace(p);
                   1114:        return(1);
                   1115: }
                   1116:
                   1117:
                   1118: /* ARGSUSED */
                   1119: static int
                   1120: termp_rv_pre(DECL_ARGS)
                   1121: {
1.68      kristaps 1122:        const struct mdoc_node  *nn;
1.1       kristaps 1123:
                   1124:        term_newln(p);
                   1125:        term_word(p, "The");
                   1126:
1.86      kristaps 1127:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1128:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1129:                term_word(p, nn->string);
1.102     kristaps 1130:                term_fontpop(p);
1.68      kristaps 1131:                p->flags |= TERMP_NOSPACE;
                   1132:                if (nn->next && NULL == nn->next->next)
                   1133:                        term_word(p, "(), and");
                   1134:                else if (nn->next)
                   1135:                        term_word(p, "(),");
                   1136:                else
                   1137:                        term_word(p, "()");
                   1138:        }
                   1139:
1.125     kristaps 1140:        if (n->child && n->child->next)
1.68      kristaps 1141:                term_word(p, "functions return");
                   1142:        else
                   1143:                term_word(p, "function returns");
1.1       kristaps 1144:
1.68      kristaps 1145:                term_word(p, "the value 0 if successful; otherwise the value "
                   1146:                        "-1 is returned and the global variable");
1.1       kristaps 1147:
1.102     kristaps 1148:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1149:        term_word(p, "errno");
1.102     kristaps 1150:        term_fontpop(p);
1.1       kristaps 1151:
                   1152:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1153:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1154:
1.68      kristaps 1155:        return(0);
1.1       kristaps 1156: }
                   1157:
                   1158:
                   1159: /* ARGSUSED */
                   1160: static int
                   1161: termp_ex_pre(DECL_ARGS)
                   1162: {
1.68      kristaps 1163:        const struct mdoc_node  *nn;
1.1       kristaps 1164:
1.68      kristaps 1165:        term_word(p, "The");
1.1       kristaps 1166:
1.86      kristaps 1167:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1168:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1169:                term_word(p, nn->string);
1.102     kristaps 1170:                term_fontpop(p);
1.68      kristaps 1171:                p->flags |= TERMP_NOSPACE;
                   1172:                if (nn->next && NULL == nn->next->next)
                   1173:                        term_word(p, ", and");
                   1174:                else if (nn->next)
                   1175:                        term_word(p, ",");
                   1176:                else
                   1177:                        p->flags &= ~TERMP_NOSPACE;
                   1178:        }
                   1179:
1.125     kristaps 1180:        if (n->child && n->child->next)
1.68      kristaps 1181:                term_word(p, "utilities exit");
                   1182:        else
                   1183:                term_word(p, "utility exits");
                   1184:
                   1185:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1186:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1187:
1.68      kristaps 1188:        return(0);
1.1       kristaps 1189: }
                   1190:
                   1191:
                   1192: /* ARGSUSED */
                   1193: static int
                   1194: termp_nd_pre(DECL_ARGS)
                   1195: {
1.25      kristaps 1196:
1.86      kristaps 1197:        if (MDOC_BODY != n->type)
1.25      kristaps 1198:                return(1);
1.30      kristaps 1199:
1.27      kristaps 1200: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1201:        term_word(p, "\\(en");
1.23      kristaps 1202: #else
                   1203:        term_word(p, "\\(em");
                   1204: #endif
1.1       kristaps 1205:        return(1);
1.115     kristaps 1206: }
                   1207:
                   1208:
                   1209: /* ARGSUSED */
                   1210: static int
                   1211: termp_bl_pre(DECL_ARGS)
                   1212: {
                   1213:
                   1214:        return(MDOC_HEAD != n->type);
1.1       kristaps 1215: }
                   1216:
                   1217:
                   1218: /* ARGSUSED */
                   1219: static void
                   1220: termp_bl_post(DECL_ARGS)
                   1221: {
                   1222:
1.86      kristaps 1223:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1224:                term_newln(p);
                   1225: }
                   1226:
                   1227:
                   1228: /* ARGSUSED */
                   1229: static void
                   1230: termp_op_post(DECL_ARGS)
                   1231: {
                   1232:
1.86      kristaps 1233:        if (MDOC_BODY != n->type)
1.1       kristaps 1234:                return;
                   1235:        p->flags |= TERMP_NOSPACE;
                   1236:        term_word(p, "\\(rB");
                   1237: }
                   1238:
                   1239:
                   1240: /* ARGSUSED */
                   1241: static int
                   1242: termp_xr_pre(DECL_ARGS)
                   1243: {
1.86      kristaps 1244:        const struct mdoc_node *nn;
1.1       kristaps 1245:
1.113     kristaps 1246:        if (NULL == n->child)
                   1247:                return(0);
                   1248:
                   1249:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1250:        nn = n->child;
1.11      kristaps 1251:
1.86      kristaps 1252:        term_word(p, nn->string);
                   1253:        if (NULL == (nn = nn->next))
1.1       kristaps 1254:                return(0);
                   1255:        p->flags |= TERMP_NOSPACE;
                   1256:        term_word(p, "(");
                   1257:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1258:        term_word(p, nn->string);
1.1       kristaps 1259:        p->flags |= TERMP_NOSPACE;
                   1260:        term_word(p, ")");
1.86      kristaps 1261:
1.1       kristaps 1262:        return(0);
                   1263: }
                   1264:
                   1265:
1.143     kristaps 1266: /*
                   1267:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1268:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1269:  * macro combos).
                   1270:  */
                   1271: static void
                   1272: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1273: {
                   1274:        /*
                   1275:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1276:         * exist, do nothing.
                   1277:         */
                   1278:        if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
                   1279:                return;
                   1280:
                   1281:        /*
                   1282:         * If we're the second in a pair of like elements, emit our
                   1283:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1284:         * case we soldier on.
                   1285:         */
                   1286:        if (n->prev->tok == n->tok &&
                   1287:                        MDOC_Ft != n->tok &&
                   1288:                        MDOC_Fo != n->tok &&
                   1289:                        MDOC_Fn != n->tok) {
                   1290:                term_newln(p);
                   1291:                return;
                   1292:        }
                   1293:
                   1294:        /*
                   1295:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1296:         * another (or Fn/Fo, which we've let slip through) then assert
                   1297:         * vertical space, else only newline and move on.
                   1298:         */
                   1299:        switch (n->prev->tok) {
                   1300:        case (MDOC_Fd):
                   1301:                /* FALLTHROUGH */
                   1302:        case (MDOC_Fn):
                   1303:                /* FALLTHROUGH */
                   1304:        case (MDOC_Fo):
                   1305:                /* FALLTHROUGH */
                   1306:        case (MDOC_In):
                   1307:                /* FALLTHROUGH */
                   1308:        case (MDOC_Vt):
                   1309:                term_vspace(p);
                   1310:                break;
                   1311:        case (MDOC_Ft):
                   1312:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1313:                        term_vspace(p);
                   1314:                        break;
                   1315:                }
                   1316:                /* FALLTHROUGH */
                   1317:        default:
                   1318:                term_newln(p);
                   1319:                break;
                   1320:        }
                   1321: }
                   1322:
                   1323:
1.110     kristaps 1324: static int
                   1325: termp_vt_pre(DECL_ARGS)
                   1326: {
                   1327:
1.143     kristaps 1328:        if (MDOC_ELEM == n->type) {
                   1329:                synopsis_pre(p, n);
1.110     kristaps 1330:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1331:        } else if (MDOC_BLOCK == n->type) {
                   1332:                synopsis_pre(p, n);
                   1333:                return(1);
                   1334:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1335:                return(0);
                   1336:
                   1337:        return(termp_under_pre(p, pair, m, n));
                   1338: }
                   1339:
                   1340:
1.1       kristaps 1341: /* ARGSUSED */
                   1342: static int
1.69      kristaps 1343: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1344: {
                   1345:
1.102     kristaps 1346:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1347:        return(1);
                   1348: }
                   1349:
                   1350:
                   1351: /* ARGSUSED */
1.143     kristaps 1352: static int
                   1353: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1354: {
                   1355:
1.143     kristaps 1356:        synopsis_pre(p, n);
                   1357:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1358: }
                   1359:
                   1360:
                   1361: /* ARGSUSED */
                   1362: static int
                   1363: termp_sh_pre(DECL_ARGS)
                   1364: {
1.85      kristaps 1365:
                   1366:        /* No vspace between consecutive `Sh' calls. */
                   1367:
1.86      kristaps 1368:        switch (n->type) {
1.65      kristaps 1369:        case (MDOC_BLOCK):
1.86      kristaps 1370:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1371:                        if (NULL == n->prev->body->child)
1.65      kristaps 1372:                                break;
                   1373:                term_vspace(p);
                   1374:                break;
1.1       kristaps 1375:        case (MDOC_HEAD):
1.102     kristaps 1376:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1377:                break;
                   1378:        case (MDOC_BODY):
1.157   ! kristaps 1379:                p->offset = term_len(p, INDENT);
1.1       kristaps 1380:                break;
                   1381:        default:
                   1382:                break;
                   1383:        }
                   1384:        return(1);
                   1385: }
                   1386:
                   1387:
                   1388: /* ARGSUSED */
                   1389: static void
                   1390: termp_sh_post(DECL_ARGS)
                   1391: {
                   1392:
1.86      kristaps 1393:        switch (n->type) {
1.1       kristaps 1394:        case (MDOC_HEAD):
                   1395:                term_newln(p);
                   1396:                break;
                   1397:        case (MDOC_BODY):
                   1398:                term_newln(p);
                   1399:                p->offset = 0;
                   1400:                break;
                   1401:        default:
                   1402:                break;
                   1403:        }
                   1404: }
                   1405:
                   1406:
                   1407: /* ARGSUSED */
                   1408: static int
                   1409: termp_op_pre(DECL_ARGS)
                   1410: {
                   1411:
1.86      kristaps 1412:        switch (n->type) {
1.1       kristaps 1413:        case (MDOC_BODY):
                   1414:                term_word(p, "\\(lB");
                   1415:                p->flags |= TERMP_NOSPACE;
                   1416:                break;
                   1417:        default:
                   1418:                break;
                   1419:        }
                   1420:        return(1);
                   1421: }
                   1422:
                   1423:
                   1424: /* ARGSUSED */
                   1425: static int
                   1426: termp_bt_pre(DECL_ARGS)
                   1427: {
                   1428:
                   1429:        term_word(p, "is currently in beta test.");
1.131     kristaps 1430:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1431:        return(0);
1.1       kristaps 1432: }
                   1433:
                   1434:
                   1435: /* ARGSUSED */
                   1436: static void
                   1437: termp_lb_post(DECL_ARGS)
                   1438: {
                   1439:
1.122     kristaps 1440:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1441:                term_newln(p);
1.1       kristaps 1442: }
                   1443:
                   1444:
                   1445: /* ARGSUSED */
                   1446: static int
                   1447: termp_ud_pre(DECL_ARGS)
                   1448: {
                   1449:
                   1450:        term_word(p, "currently under development.");
1.131     kristaps 1451:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1452:        return(0);
1.1       kristaps 1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static int
                   1458: termp_d1_pre(DECL_ARGS)
                   1459: {
                   1460:
1.86      kristaps 1461:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1462:                return(1);
                   1463:        term_newln(p);
1.157   ! kristaps 1464:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1465:        return(1);
                   1466: }
                   1467:
                   1468:
                   1469: /* ARGSUSED */
                   1470: static void
                   1471: termp_d1_post(DECL_ARGS)
                   1472: {
                   1473:
1.86      kristaps 1474:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1475:                return;
                   1476:        term_newln(p);
                   1477: }
                   1478:
                   1479:
                   1480: /* ARGSUSED */
                   1481: static int
                   1482: termp_aq_pre(DECL_ARGS)
                   1483: {
                   1484:
1.86      kristaps 1485:        if (MDOC_BODY != n->type)
1.1       kristaps 1486:                return(1);
                   1487:        term_word(p, "\\(la");
                   1488:        p->flags |= TERMP_NOSPACE;
                   1489:        return(1);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static void
                   1495: termp_aq_post(DECL_ARGS)
                   1496: {
                   1497:
1.86      kristaps 1498:        if (MDOC_BODY != n->type)
1.1       kristaps 1499:                return;
                   1500:        p->flags |= TERMP_NOSPACE;
                   1501:        term_word(p, "\\(ra");
                   1502: }
                   1503:
                   1504:
                   1505: /* ARGSUSED */
                   1506: static int
                   1507: termp_ft_pre(DECL_ARGS)
                   1508: {
                   1509:
1.141     kristaps 1510:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1511:        synopsis_pre(p, n);
1.102     kristaps 1512:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1513:        return(1);
                   1514: }
                   1515:
                   1516:
                   1517: /* ARGSUSED */
                   1518: static int
                   1519: termp_fn_pre(DECL_ARGS)
                   1520: {
1.86      kristaps 1521:        const struct mdoc_node  *nn;
1.1       kristaps 1522:
1.143     kristaps 1523:        synopsis_pre(p, n);
1.139     kristaps 1524:
1.102     kristaps 1525:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1526:        term_word(p, n->child->string);
1.102     kristaps 1527:        term_fontpop(p);
1.1       kristaps 1528:
                   1529:        p->flags |= TERMP_NOSPACE;
                   1530:        term_word(p, "(");
                   1531:
1.86      kristaps 1532:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1533:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1534:                term_word(p, nn->string);
1.102     kristaps 1535:                term_fontpop(p);
                   1536:
1.86      kristaps 1537:                if (nn->next)
1.1       kristaps 1538:                        term_word(p, ",");
                   1539:        }
                   1540:
                   1541:        term_word(p, ")");
                   1542:
1.86      kristaps 1543:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1544:                term_word(p, ";");
                   1545:
                   1546:        return(0);
                   1547: }
                   1548:
                   1549:
                   1550: /* ARGSUSED */
                   1551: static int
                   1552: termp_fa_pre(DECL_ARGS)
                   1553: {
1.86      kristaps 1554:        const struct mdoc_node  *nn;
1.1       kristaps 1555:
1.86      kristaps 1556:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1557:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1558:                return(1);
                   1559:        }
                   1560:
1.86      kristaps 1561:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1562:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1563:                term_word(p, nn->string);
1.102     kristaps 1564:                term_fontpop(p);
                   1565:
1.86      kristaps 1566:                if (nn->next)
1.1       kristaps 1567:                        term_word(p, ",");
                   1568:        }
                   1569:
1.86      kristaps 1570:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1571:                term_word(p, ",");
                   1572:
                   1573:        return(0);
                   1574: }
                   1575:
                   1576:
                   1577: /* ARGSUSED */
                   1578: static int
                   1579: termp_bd_pre(DECL_ARGS)
                   1580: {
1.129     schwarze 1581:        size_t                   tabwidth;
1.119     kristaps 1582:        size_t                   rm, rmax;
1.85      kristaps 1583:        const struct mdoc_node  *nn;
1.1       kristaps 1584:
1.86      kristaps 1585:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1586:                print_bvspace(p, n, n);
1.54      kristaps 1587:                return(1);
1.116     kristaps 1588:        } else if (MDOC_HEAD == n->type)
                   1589:                return(0);
1.1       kristaps 1590:
1.148     kristaps 1591:        if (n->data.Bd.offs)
1.157   ! kristaps 1592:                p->offset += a2offs(p, n->data.Bd.offs);
1.85      kristaps 1593:
                   1594:        /*
                   1595:         * If -ragged or -filled are specified, the block does nothing
                   1596:         * but change the indentation.  If -unfilled or -literal are
                   1597:         * specified, text is printed exactly as entered in the display:
                   1598:         * for macro lines, a newline is appended to the line.  Blank
                   1599:         * lines are allowed.
                   1600:         */
1.60      kristaps 1601:
1.148     kristaps 1602:        if (DISP_literal != n->data.Bd.type &&
                   1603:                        DISP_unfilled != n->data.Bd.type)
1.1       kristaps 1604:                return(1);
                   1605:
1.129     schwarze 1606:        tabwidth = p->tabwidth;
1.157   ! kristaps 1607:        p->tabwidth = term_len(p, 8);
1.119     kristaps 1608:        rm = p->rmargin;
                   1609:        rmax = p->maxrmargin;
1.120     kristaps 1610:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1611:
1.86      kristaps 1612:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1613:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1614:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1615:                if (NULL == nn->prev ||
                   1616:                    nn->prev->line < nn->line ||
                   1617:                    NULL == nn->next)
1.87      kristaps 1618:                        term_flushln(p);
1.1       kristaps 1619:        }
1.147     kristaps 1620:
1.129     schwarze 1621:        p->tabwidth = tabwidth;
1.119     kristaps 1622:        p->rmargin = rm;
                   1623:        p->maxrmargin = rmax;
1.1       kristaps 1624:        return(0);
                   1625: }
                   1626:
                   1627:
                   1628: /* ARGSUSED */
                   1629: static void
                   1630: termp_bd_post(DECL_ARGS)
                   1631: {
1.119     kristaps 1632:        size_t           rm, rmax;
1.1       kristaps 1633:
1.86      kristaps 1634:        if (MDOC_BODY != n->type)
1.1       kristaps 1635:                return;
1.118     kristaps 1636:
1.119     kristaps 1637:        rm = p->rmargin;
                   1638:        rmax = p->maxrmargin;
1.118     kristaps 1639:
1.148     kristaps 1640:        if (DISP_literal == n->data.Bd.type ||
                   1641:                        DISP_unfilled == n->data.Bd.type)
1.120     kristaps 1642:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1643:
1.60      kristaps 1644:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1645:        term_newln(p);
1.118     kristaps 1646:
1.119     kristaps 1647:        p->rmargin = rm;
                   1648:        p->maxrmargin = rmax;
1.1       kristaps 1649: }
                   1650:
                   1651:
                   1652: /* ARGSUSED */
                   1653: static int
                   1654: termp_qq_pre(DECL_ARGS)
                   1655: {
                   1656:
1.86      kristaps 1657:        if (MDOC_BODY != n->type)
1.1       kristaps 1658:                return(1);
                   1659:        term_word(p, "\"");
                   1660:        p->flags |= TERMP_NOSPACE;
                   1661:        return(1);
                   1662: }
                   1663:
                   1664:
                   1665: /* ARGSUSED */
                   1666: static void
                   1667: termp_qq_post(DECL_ARGS)
                   1668: {
                   1669:
1.86      kristaps 1670:        if (MDOC_BODY != n->type)
1.1       kristaps 1671:                return;
                   1672:        p->flags |= TERMP_NOSPACE;
                   1673:        term_word(p, "\"");
                   1674: }
                   1675:
                   1676:
                   1677: /* ARGSUSED */
                   1678: static void
                   1679: termp_bx_post(DECL_ARGS)
                   1680: {
                   1681:
1.86      kristaps 1682:        if (n->child)
1.1       kristaps 1683:                p->flags |= TERMP_NOSPACE;
                   1684:        term_word(p, "BSD");
                   1685: }
                   1686:
                   1687:
                   1688: /* ARGSUSED */
                   1689: static int
1.26      kristaps 1690: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1691: {
1.26      kristaps 1692:        const char      *pp;
1.1       kristaps 1693:
1.26      kristaps 1694:        pp = NULL;
1.86      kristaps 1695:        switch (n->tok) {
1.26      kristaps 1696:        case (MDOC_Bsx):
                   1697:                pp = "BSDI BSD/OS";
                   1698:                break;
                   1699:        case (MDOC_Dx):
1.100     kristaps 1700:                pp = "DragonFly";
1.26      kristaps 1701:                break;
                   1702:        case (MDOC_Fx):
                   1703:                pp = "FreeBSD";
                   1704:                break;
                   1705:        case (MDOC_Nx):
                   1706:                pp = "NetBSD";
                   1707:                break;
                   1708:        case (MDOC_Ox):
                   1709:                pp = "OpenBSD";
                   1710:                break;
                   1711:        case (MDOC_Ux):
                   1712:                pp = "UNIX";
                   1713:                break;
                   1714:        default:
                   1715:                break;
                   1716:        }
1.1       kristaps 1717:
1.26      kristaps 1718:        assert(pp);
                   1719:        term_word(p, pp);
1.1       kristaps 1720:        return(1);
                   1721: }
                   1722:
                   1723:
                   1724: /* ARGSUSED */
                   1725: static int
                   1726: termp_sq_pre(DECL_ARGS)
                   1727: {
                   1728:
1.86      kristaps 1729:        if (MDOC_BODY != n->type)
1.1       kristaps 1730:                return(1);
                   1731:        term_word(p, "\\(oq");
                   1732:        p->flags |= TERMP_NOSPACE;
                   1733:        return(1);
                   1734: }
                   1735:
                   1736:
                   1737: /* ARGSUSED */
                   1738: static void
                   1739: termp_sq_post(DECL_ARGS)
                   1740: {
                   1741:
1.86      kristaps 1742:        if (MDOC_BODY != n->type)
1.1       kristaps 1743:                return;
                   1744:        p->flags |= TERMP_NOSPACE;
                   1745:        term_word(p, "\\(aq");
                   1746: }
                   1747:
                   1748:
                   1749: /* ARGSUSED */
                   1750: static int
                   1751: termp_pf_pre(DECL_ARGS)
                   1752: {
                   1753:
                   1754:        p->flags |= TERMP_IGNDELIM;
                   1755:        return(1);
                   1756: }
                   1757:
                   1758:
                   1759: /* ARGSUSED */
                   1760: static void
                   1761: termp_pf_post(DECL_ARGS)
                   1762: {
                   1763:
                   1764:        p->flags &= ~TERMP_IGNDELIM;
                   1765:        p->flags |= TERMP_NOSPACE;
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static int
                   1771: termp_ss_pre(DECL_ARGS)
                   1772: {
                   1773:
1.86      kristaps 1774:        switch (n->type) {
1.1       kristaps 1775:        case (MDOC_BLOCK):
                   1776:                term_newln(p);
1.86      kristaps 1777:                if (n->prev)
1.1       kristaps 1778:                        term_vspace(p);
                   1779:                break;
                   1780:        case (MDOC_HEAD):
1.102     kristaps 1781:                term_fontpush(p, TERMFONT_BOLD);
1.157   ! kristaps 1782:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1783:                break;
                   1784:        default:
                   1785:                break;
                   1786:        }
                   1787:
                   1788:        return(1);
                   1789: }
                   1790:
                   1791:
                   1792: /* ARGSUSED */
                   1793: static void
                   1794: termp_ss_post(DECL_ARGS)
                   1795: {
                   1796:
1.86      kristaps 1797:        if (MDOC_HEAD == n->type)
1.1       kristaps 1798:                term_newln(p);
                   1799: }
                   1800:
                   1801:
                   1802: /* ARGSUSED */
                   1803: static int
                   1804: termp_cd_pre(DECL_ARGS)
                   1805: {
                   1806:
1.143     kristaps 1807:        synopsis_pre(p, n);
1.102     kristaps 1808:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1809:        return(1);
                   1810: }
                   1811:
                   1812:
                   1813: /* ARGSUSED */
                   1814: static int
                   1815: termp_in_pre(DECL_ARGS)
                   1816: {
1.142     schwarze 1817:
1.143     kristaps 1818:        synopsis_pre(p, n);
1.1       kristaps 1819:
1.138     kristaps 1820:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
                   1821:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1822:                term_word(p, "#include");
1.138     kristaps 1823:                term_word(p, "<");
                   1824:        } else {
                   1825:                term_word(p, "<");
                   1826:                term_fontpush(p, TERMFONT_UNDER);
                   1827:        }
1.22      kristaps 1828:
1.1       kristaps 1829:        p->flags |= TERMP_NOSPACE;
                   1830:        return(1);
                   1831: }
                   1832:
                   1833:
                   1834: /* ARGSUSED */
                   1835: static void
                   1836: termp_in_post(DECL_ARGS)
                   1837: {
                   1838:
1.143     kristaps 1839:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1840:                term_fontpush(p, TERMFONT_BOLD);
                   1841:
1.79      kristaps 1842:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1843:        term_word(p, ">");
                   1844:
1.143     kristaps 1845:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1846:                term_fontpop(p);
1.1       kristaps 1847: }
                   1848:
                   1849:
                   1850: /* ARGSUSED */
                   1851: static int
1.45      kristaps 1852: termp_sp_pre(DECL_ARGS)
                   1853: {
1.91      kristaps 1854:        size_t           i, len;
1.45      kristaps 1855:
1.86      kristaps 1856:        switch (n->tok) {
1.76      kristaps 1857:        case (MDOC_sp):
1.157   ! kristaps 1858:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1859:                break;
                   1860:        case (MDOC_br):
                   1861:                len = 0;
                   1862:                break;
                   1863:        default:
                   1864:                len = 1;
                   1865:                break;
1.45      kristaps 1866:        }
                   1867:
                   1868:        if (0 == len)
                   1869:                term_newln(p);
                   1870:        for (i = 0; i < len; i++)
                   1871:                term_vspace(p);
                   1872:
                   1873:        return(0);
                   1874: }
                   1875:
                   1876:
                   1877: /* ARGSUSED */
                   1878: static int
1.1       kristaps 1879: termp_brq_pre(DECL_ARGS)
                   1880: {
                   1881:
1.86      kristaps 1882:        if (MDOC_BODY != n->type)
1.1       kristaps 1883:                return(1);
                   1884:        term_word(p, "\\(lC");
                   1885:        p->flags |= TERMP_NOSPACE;
                   1886:        return(1);
                   1887: }
                   1888:
                   1889:
                   1890: /* ARGSUSED */
                   1891: static void
                   1892: termp_brq_post(DECL_ARGS)
                   1893: {
                   1894:
1.86      kristaps 1895:        if (MDOC_BODY != n->type)
1.1       kristaps 1896:                return;
                   1897:        p->flags |= TERMP_NOSPACE;
                   1898:        term_word(p, "\\(rC");
                   1899: }
                   1900:
                   1901:
                   1902: /* ARGSUSED */
                   1903: static int
                   1904: termp_bq_pre(DECL_ARGS)
                   1905: {
                   1906:
1.86      kristaps 1907:        if (MDOC_BODY != n->type)
1.1       kristaps 1908:                return(1);
                   1909:        term_word(p, "\\(lB");
                   1910:        p->flags |= TERMP_NOSPACE;
                   1911:        return(1);
                   1912: }
                   1913:
                   1914:
                   1915: /* ARGSUSED */
                   1916: static void
                   1917: termp_bq_post(DECL_ARGS)
                   1918: {
                   1919:
1.86      kristaps 1920:        if (MDOC_BODY != n->type)
1.1       kristaps 1921:                return;
                   1922:        p->flags |= TERMP_NOSPACE;
                   1923:        term_word(p, "\\(rB");
                   1924: }
                   1925:
                   1926:
                   1927: /* ARGSUSED */
                   1928: static int
                   1929: termp_pq_pre(DECL_ARGS)
                   1930: {
                   1931:
1.86      kristaps 1932:        if (MDOC_BODY != n->type)
1.1       kristaps 1933:                return(1);
                   1934:        term_word(p, "\\&(");
                   1935:        p->flags |= TERMP_NOSPACE;
                   1936:        return(1);
                   1937: }
                   1938:
                   1939:
                   1940: /* ARGSUSED */
                   1941: static void
                   1942: termp_pq_post(DECL_ARGS)
                   1943: {
                   1944:
1.86      kristaps 1945:        if (MDOC_BODY != n->type)
1.1       kristaps 1946:                return;
                   1947:        term_word(p, ")");
                   1948: }
                   1949:
                   1950:
                   1951: /* ARGSUSED */
                   1952: static int
                   1953: termp_fo_pre(DECL_ARGS)
                   1954: {
                   1955:
1.141     kristaps 1956:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1957:                synopsis_pre(p, n);
1.141     kristaps 1958:                return(1);
                   1959:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 1960:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1961:                term_word(p, "(");
                   1962:                p->flags |= TERMP_NOSPACE;
                   1963:                return(1);
1.141     kristaps 1964:        }
                   1965:
                   1966:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1967:
1.141     kristaps 1968:        assert(n->child);
                   1969:        assert(n->child->string);
1.102     kristaps 1970:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1971:        term_word(p, n->child->string);
1.1       kristaps 1972:        return(0);
                   1973: }
                   1974:
                   1975:
                   1976: /* ARGSUSED */
                   1977: static void
                   1978: termp_fo_post(DECL_ARGS)
                   1979: {
                   1980:
1.143     kristaps 1981:        if (MDOC_BODY != n->type)
                   1982:                return;
                   1983:
                   1984:        p->flags |= TERMP_NOSPACE;
                   1985:        term_word(p, ")");
                   1986:
                   1987:        if (SEC_SYNOPSIS == n->sec) {
1.141     kristaps 1988:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 1989:                term_word(p, ";");
1.141     kristaps 1990:        }
1.1       kristaps 1991: }
                   1992:
                   1993:
                   1994: /* ARGSUSED */
                   1995: static int
                   1996: termp_bf_pre(DECL_ARGS)
                   1997: {
1.86      kristaps 1998:        const struct mdoc_node  *nn;
1.1       kristaps 1999:
1.86      kristaps 2000:        if (MDOC_HEAD == n->type)
1.1       kristaps 2001:                return(0);
1.86      kristaps 2002:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2003:                return(1);
                   2004:
1.86      kristaps 2005:        if (NULL == (nn = n->head->child)) {
                   2006:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2007:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2008:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2009:                        term_fontpush(p, TERMFONT_BOLD);
                   2010:                else
                   2011:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2012:
                   2013:                return(1);
                   2014:        }
                   2015:
1.86      kristaps 2016:        assert(MDOC_TEXT == nn->type);
                   2017:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2018:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2019:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2020:                term_fontpush(p, TERMFONT_BOLD);
                   2021:        else
                   2022:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2023:
                   2024:        return(1);
                   2025: }
                   2026:
                   2027:
                   2028: /* ARGSUSED */
                   2029: static int
                   2030: termp_sm_pre(DECL_ARGS)
                   2031: {
                   2032:
1.86      kristaps 2033:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2034:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2035:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2036:        else
1.1       kristaps 2037:                p->flags |= TERMP_NONOSPACE;
                   2038:
                   2039:        return(0);
                   2040: }
                   2041:
                   2042:
                   2043: /* ARGSUSED */
                   2044: static int
                   2045: termp_ap_pre(DECL_ARGS)
                   2046: {
                   2047:
                   2048:        p->flags |= TERMP_NOSPACE;
                   2049:        term_word(p, "\\(aq");
                   2050:        p->flags |= TERMP_NOSPACE;
                   2051:        return(1);
                   2052: }
                   2053:
                   2054:
                   2055: /* ARGSUSED */
                   2056: static void
                   2057: termp____post(DECL_ARGS)
                   2058: {
                   2059:
1.95      kristaps 2060:        /* TODO: %U. */
                   2061:
1.1       kristaps 2062:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2063:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2064: }
                   2065:
                   2066:
                   2067: /* ARGSUSED */
                   2068: static int
1.102     kristaps 2069: termp_li_pre(DECL_ARGS)
                   2070: {
                   2071:
                   2072:        term_fontpush(p, TERMFONT_NONE);
                   2073:        return(1);
                   2074: }
                   2075:
                   2076:
                   2077: /* ARGSUSED */
                   2078: static int
1.1       kristaps 2079: termp_lk_pre(DECL_ARGS)
                   2080: {
1.86      kristaps 2081:        const struct mdoc_node *nn;
1.1       kristaps 2082:
1.102     kristaps 2083:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2084:        nn = n->child;
                   2085:
                   2086:        if (NULL == nn->next)
1.12      kristaps 2087:                return(1);
                   2088:
1.86      kristaps 2089:        term_word(p, nn->string);
1.102     kristaps 2090:        term_fontpop(p);
1.96      kristaps 2091:
1.1       kristaps 2092:        p->flags |= TERMP_NOSPACE;
                   2093:        term_word(p, ":");
                   2094:
1.102     kristaps 2095:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2096:        for (nn = nn->next; nn; nn = nn->next)
                   2097:                term_word(p, nn->string);
1.102     kristaps 2098:        term_fontpop(p);
1.12      kristaps 2099:
1.1       kristaps 2100:        return(0);
                   2101: }
                   2102:
                   2103:
                   2104: /* ARGSUSED */
                   2105: static int
1.69      kristaps 2106: termp_under_pre(DECL_ARGS)
1.1       kristaps 2107: {
                   2108:
1.102     kristaps 2109:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2110:        return(1);
                   2111: }

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