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Annotation of mandoc/mdoc_term.c, Revision 1.151

1.150     kristaps    1: /*     $Id: mdoc_term.c,v 1.149 2010/06/12 11:58:22 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.92      kristaps   31: #include "out.h"
1.1       kristaps   32: #include "term.h"
                     33: #include "mdoc.h"
1.89      kristaps   34: #include "chars.h"
                     35: #include "main.h"
1.1       kristaps   36:
1.66      kristaps   37: #define        INDENT            5
                     38: #define        HALFINDENT        3
                     39:
1.1       kristaps   40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.86      kristaps   47:                  const struct mdoc_meta *m, \
                     48:                  const struct mdoc_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.96      kristaps   55: static size_t    a2width(const struct mdoc_argv *, int);
                     56: static size_t    a2height(const struct mdoc_node *);
1.148     kristaps   57: static size_t    a2offs(const char *);
1.96      kristaps   58:
                     59: static int       arg_hasattr(int, const struct mdoc_node *);
                     60: static int       arg_getattrs(const int *, int *, size_t,
                     61:                        const struct mdoc_node *);
                     62: static int       arg_getattr(int, const struct mdoc_node *);
                     63: static void      print_bvspace(struct termp *,
1.151   ! kristaps   64:                        const struct mdoc_node *,
1.96      kristaps   65:                        const struct mdoc_node *);
1.102     kristaps   66: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   67: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   68: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   69: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   70: static void      synopsis_pre(struct termp *,
                     71:                        const struct mdoc_node *);
1.96      kristaps   72:
1.31      kristaps   73: static void      termp____post(DECL_ARGS);
1.61      kristaps   74: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   75: static void      termp_aq_post(DECL_ARGS);
                     76: static void      termp_bd_post(DECL_ARGS);
                     77: static void      termp_bl_post(DECL_ARGS);
                     78: static void      termp_bq_post(DECL_ARGS);
                     79: static void      termp_brq_post(DECL_ARGS);
                     80: static void      termp_bx_post(DECL_ARGS);
                     81: static void      termp_d1_post(DECL_ARGS);
                     82: static void      termp_dq_post(DECL_ARGS);
1.143     kristaps   83: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   84: static void      termp_fo_post(DECL_ARGS);
                     85: static void      termp_in_post(DECL_ARGS);
                     86: static void      termp_it_post(DECL_ARGS);
                     87: static void      termp_lb_post(DECL_ARGS);
                     88: static void      termp_op_post(DECL_ARGS);
                     89: static void      termp_pf_post(DECL_ARGS);
                     90: static void      termp_pq_post(DECL_ARGS);
                     91: static void      termp_qq_post(DECL_ARGS);
                     92: static void      termp_sh_post(DECL_ARGS);
                     93: static void      termp_sq_post(DECL_ARGS);
                     94: static void      termp_ss_post(DECL_ARGS);
                     95:
1.61      kristaps   96: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_ap_pre(DECL_ARGS);
                     98: static int       termp_aq_pre(DECL_ARGS);
                     99: static int       termp_bd_pre(DECL_ARGS);
                    100: static int       termp_bf_pre(DECL_ARGS);
1.115     kristaps  101: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  102: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  103: static int       termp_bq_pre(DECL_ARGS);
                    104: static int       termp_brq_pre(DECL_ARGS);
                    105: static int       termp_bt_pre(DECL_ARGS);
                    106: static int       termp_cd_pre(DECL_ARGS);
                    107: static int       termp_d1_pre(DECL_ARGS);
                    108: static int       termp_dq_pre(DECL_ARGS);
                    109: static int       termp_ex_pre(DECL_ARGS);
                    110: static int       termp_fa_pre(DECL_ARGS);
                    111: static int       termp_fl_pre(DECL_ARGS);
                    112: static int       termp_fn_pre(DECL_ARGS);
                    113: static int       termp_fo_pre(DECL_ARGS);
                    114: static int       termp_ft_pre(DECL_ARGS);
                    115: static int       termp_in_pre(DECL_ARGS);
                    116: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  117: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_lk_pre(DECL_ARGS);
                    119: static int       termp_nd_pre(DECL_ARGS);
                    120: static int       termp_nm_pre(DECL_ARGS);
                    121: static int       termp_ns_pre(DECL_ARGS);
                    122: static int       termp_op_pre(DECL_ARGS);
                    123: static int       termp_pf_pre(DECL_ARGS);
                    124: static int       termp_pq_pre(DECL_ARGS);
                    125: static int       termp_qq_pre(DECL_ARGS);
                    126: static int       termp_rs_pre(DECL_ARGS);
                    127: static int       termp_rv_pre(DECL_ARGS);
                    128: static int       termp_sh_pre(DECL_ARGS);
                    129: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  130: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  131: static int       termp_sq_pre(DECL_ARGS);
                    132: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  133: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  135: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_xr_pre(DECL_ARGS);
                    137: static int       termp_xx_pre(DECL_ARGS);
                    138:
1.70      kristaps  139: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  140:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  141:        { NULL, NULL }, /* Dd */
                    142:        { NULL, NULL }, /* Dt */
                    143:        { NULL, NULL }, /* Os */
                    144:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    145:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  146:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  147:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    148:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    149:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    150:        { NULL, NULL }, /* Ed */
1.115     kristaps  151:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  152:        { NULL, NULL }, /* El */
                    153:        { termp_it_pre, termp_it_post }, /* It */
                    154:        { NULL, NULL }, /* Ad */
1.61      kristaps  155:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  156:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  157:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  158:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  159:        { NULL, NULL }, /* Dv */
                    160:        { NULL, NULL }, /* Er */
                    161:        { NULL, NULL }, /* Ev */
                    162:        { termp_ex_pre, NULL }, /* Ex */
                    163:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  164:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  165:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  166:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  167:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  168:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  169:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  170:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  171:        { termp_nd_pre, NULL }, /* Nd */
                    172:        { termp_nm_pre, NULL }, /* Nm */
                    173:        { termp_op_pre, termp_op_post }, /* Op */
                    174:        { NULL, NULL }, /* Ot */
1.69      kristaps  175:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  176:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  177:        { NULL, NULL }, /* St */
1.69      kristaps  178:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  179:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  180:        { termp_xr_pre, NULL }, /* Xr */
                    181:        { NULL, termp____post }, /* %A */
1.84      kristaps  182:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  183:        { NULL, termp____post }, /* %D */
1.84      kristaps  184:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  185:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  186:        { NULL, termp____post }, /* %N */
                    187:        { NULL, termp____post }, /* %O */
                    188:        { NULL, termp____post }, /* %P */
                    189:        { NULL, termp____post }, /* %R */
1.117     kristaps  190:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  191:        { NULL, termp____post }, /* %V */
                    192:        { NULL, NULL }, /* Ac */
                    193:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    194:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  195:        { NULL, NULL }, /* At */
1.1       kristaps  196:        { NULL, NULL }, /* Bc */
                    197:        { termp_bf_pre, NULL }, /* Bf */
                    198:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  201:        { NULL, termp_bx_post }, /* Bx */
                    202:        { NULL, NULL }, /* Db */
                    203:        { NULL, NULL }, /* Dc */
                    204:        { termp_dq_pre, termp_dq_post }, /* Do */
                    205:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  206:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  207:        { NULL, NULL }, /* Ef */
1.69      kristaps  208:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  209:        { NULL, NULL }, /* Eo */
1.26      kristaps  210:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  211:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  212:        { NULL, NULL }, /* No */
                    213:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  214:        { termp_xx_pre, NULL }, /* Nx */
                    215:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  216:        { NULL, NULL }, /* Pc */
                    217:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    218:        { termp_pq_pre, termp_pq_post }, /* Po */
                    219:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    220:        { NULL, NULL }, /* Qc */
                    221:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    222:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    224:        { NULL, NULL }, /* Re */
                    225:        { termp_rs_pre, NULL }, /* Rs */
                    226:        { NULL, NULL }, /* Sc */
                    227:        { termp_sq_pre, termp_sq_post }, /* So */
                    228:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    229:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  230:        { termp_under_pre, NULL }, /* Sx */
                    231:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  232:        { NULL, NULL }, /* Tn */
1.26      kristaps  233:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  234:        { NULL, NULL }, /* Xc */
                    235:        { NULL, NULL }, /* Xo */
                    236:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    237:        { NULL, NULL }, /* Fc */
                    238:        { termp_op_pre, termp_op_post }, /* Oo */
                    239:        { NULL, NULL }, /* Oc */
                    240:        { NULL, NULL }, /* Bk */
                    241:        { NULL, NULL }, /* Ek */
                    242:        { termp_bt_pre, NULL }, /* Bt */
                    243:        { NULL, NULL }, /* Hf */
                    244:        { NULL, NULL }, /* Fr */
                    245:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  246:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  247:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  248:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  249:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  250:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    251:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    252:        { NULL, NULL }, /* Brc */
1.83      kristaps  253:        { NULL, termp____post }, /* %C */
1.81      kristaps  254:        { NULL, NULL }, /* Es */ /* TODO */
                    255:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  256:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  257:        { NULL, termp____post }, /* %Q */
1.76      kristaps  258:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  259:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  260:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  261:        { NULL, NULL }, /* Ta */
1.1       kristaps  262: };
                    263:
                    264:
1.70      kristaps  265: void
1.89      kristaps  266: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  267: {
1.70      kristaps  268:        const struct mdoc_node  *n;
                    269:        const struct mdoc_meta  *m;
1.89      kristaps  270:        struct termp            *p;
                    271:
                    272:        p = (struct termp *)arg;
1.111     kristaps  273:
                    274:        p->overstep = 0;
1.123     joerg     275:        p->maxrmargin = p->defrmargin;
1.129     schwarze  276:        p->tabwidth = 5;
1.89      kristaps  277:
                    278:        if (NULL == p->symtab)
                    279:                switch (p->enc) {
                    280:                case (TERMENC_ASCII):
                    281:                        p->symtab = chars_init(CHARS_ASCII);
                    282:                        break;
                    283:                default:
                    284:                        abort();
                    285:                        /* NOTREACHED */
                    286:                }
1.70      kristaps  287:
                    288:        n = mdoc_node(mdoc);
                    289:        m = mdoc_meta(mdoc);
1.146     schwarze  290:
                    291:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  292:
                    293:        if (n->child)
1.102     kristaps  294:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  295:
                    296:        term_end(p);
1.1       kristaps  297: }
                    298:
                    299:
1.3       kristaps  300: static void
1.102     kristaps  301: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  302: {
                    303:
1.102     kristaps  304:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  305:        if (n->next)
1.102     kristaps  306:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  307: }
                    308:
                    309:
1.70      kristaps  310: /* ARGSUSED */
1.3       kristaps  311: static void
1.102     kristaps  312: print_mdoc_node(DECL_ARGS)
1.1       kristaps  313: {
1.102     kristaps  314:        int              chld;
                    315:        const void      *font;
1.1       kristaps  316:        struct termpair  npair;
1.30      kristaps  317:        size_t           offset, rmargin;
1.1       kristaps  318:
1.70      kristaps  319:        chld = 1;
1.29      kristaps  320:        offset = p->offset;
1.30      kristaps  321:        rmargin = p->rmargin;
1.102     kristaps  322:        font = term_fontq(p);
1.29      kristaps  323:
1.97      kristaps  324:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  325:        npair.ppair = pair;
1.46      kristaps  326:
1.86      kristaps  327:        if (MDOC_TEXT != n->type) {
                    328:                if (termacts[n->tok].pre)
                    329:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  330:        } else
1.86      kristaps  331:                term_word(p, n->string);
1.102     kristaps  332:
1.86      kristaps  333:        if (chld && n->child)
1.102     kristaps  334:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  335:
1.102     kristaps  336:        term_fontpopq(p, font);
1.46      kristaps  337:
1.86      kristaps  338:        if (MDOC_TEXT != n->type)
                    339:                if (termacts[n->tok].post)
                    340:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  341:
                    342:        if (MDOC_EOS & n->flags)
                    343:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  344:
                    345:        p->offset = offset;
1.30      kristaps  346:        p->rmargin = rmargin;
1.1       kristaps  347: }
                    348:
                    349:
1.3       kristaps  350: static void
1.145     kristaps  351: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  352: {
1.98      kristaps  353:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  354:        const struct mdoc_meta *m;
                    355:
                    356:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  357:
1.102     kristaps  358:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  359:
1.9       kristaps  360:        /*
                    361:         * Output the footer in new-groff style, that is, three columns
                    362:         * with the middle being the manual date and flanking columns
                    363:         * being the operating system:
                    364:         *
                    365:         * SYSTEM                  DATE                    SYSTEM
                    366:         */
                    367:
1.94      kristaps  368:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  369:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  370:
                    371:        term_vspace(p);
                    372:
1.9       kristaps  373:        p->offset = 0;
                    374:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  375:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    376:
                    377:        term_word(p, os);
                    378:        term_flushln(p);
                    379:
1.9       kristaps  380:        p->offset = p->rmargin;
                    381:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  382:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  383:
                    384:        term_word(p, buf);
                    385:        term_flushln(p);
                    386:
1.1       kristaps  387:        p->offset = p->rmargin;
                    388:        p->rmargin = p->maxrmargin;
                    389:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  390:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  391:
1.9       kristaps  392:        term_word(p, os);
1.1       kristaps  393:        term_flushln(p);
                    394:
1.9       kristaps  395:        p->offset = 0;
                    396:        p->rmargin = p->maxrmargin;
                    397:        p->flags = 0;
1.1       kristaps  398: }
                    399:
                    400:
1.3       kristaps  401: static void
1.144     kristaps  402: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  403: {
1.98      kristaps  404:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  405:        const struct mdoc_meta *m;
                    406:
                    407:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  408:
                    409:        p->rmargin = p->maxrmargin;
                    410:        p->offset = 0;
                    411:
                    412:        /*
                    413:         * The header is strange.  It has three components, which are
                    414:         * really two with the first duplicated.  It goes like this:
                    415:         *
                    416:         * IDENTIFIER              TITLE                   IDENTIFIER
                    417:         *
                    418:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    419:         * (if given, or "unknown" if not) followed by the manual page
                    420:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    421:         * string depending on the manual volume.  If not specified, it
                    422:         * switches on the manual section.
                    423:         */
                    424:
1.86      kristaps  425:        assert(m->vol);
1.98      kristaps  426:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  427:
1.86      kristaps  428:        if (m->arch) {
1.98      kristaps  429:                strlcat(buf, " (", BUFSIZ);
                    430:                strlcat(buf, m->arch, BUFSIZ);
                    431:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  432:        }
                    433:
1.124     kristaps  434:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  435:
                    436:        p->offset = 0;
1.8       kristaps  437:        p->rmargin = (p->maxrmargin - strlen(buf) + 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;
                    444:        p->rmargin = p->maxrmargin - strlen(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
1.96      kristaps  465: a2height(const struct mdoc_node *n)
1.1       kristaps  466: {
1.92      kristaps  467:        struct roffsu    su;
1.91      kristaps  468:
                    469:        assert(MDOC_TEXT == n->type);
                    470:        assert(n->string);
1.92      kristaps  471:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    472:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  473:
1.92      kristaps  474:        return(term_vspan(&su));
1.91      kristaps  475: }
1.1       kristaps  476:
1.40      kristaps  477:
1.91      kristaps  478: static size_t
1.96      kristaps  479: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  480: {
1.92      kristaps  481:        struct roffsu    su;
1.1       kristaps  482:
1.91      kristaps  483:        assert(arg->value[pos]);
1.92      kristaps  484:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  485:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  486:
1.108     kristaps  487:        return(term_hspan(&su));
1.1       kristaps  488: }
                    489:
                    490:
                    491: static size_t
1.148     kristaps  492: a2offs(const char *v)
1.1       kristaps  493: {
1.92      kristaps  494:        struct roffsu    su;
1.1       kristaps  495:
1.148     kristaps  496:        if ('\0' == *v)
1.91      kristaps  497:                return(0);
1.148     kristaps  498:        else if (0 == strcmp(v, "left"))
1.19      kristaps  499:                return(0);
1.148     kristaps  500:        else if (0 == strcmp(v, "indent"))
1.16      kristaps  501:                return(INDENT + 1);
1.148     kristaps  502:        else if (0 == strcmp(v, "indent-two"))
1.20      kristaps  503:                return((INDENT + 1) * 2);
1.148     kristaps  504:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
                    505:                SCALE_HS_INIT(&su, strlen(v));
1.10      kristaps  506:
1.92      kristaps  507:        return(term_hspan(&su));
1.1       kristaps  508: }
                    509:
                    510:
1.108     kristaps  511: /*
                    512:  * Return 1 if an argument has a particular argument value or 0 if it
                    513:  * does not.  See arg_getattr().
                    514:  */
1.1       kristaps  515: static int
                    516: arg_hasattr(int arg, const struct mdoc_node *n)
                    517: {
                    518:
                    519:        return(-1 != arg_getattr(arg, n));
                    520: }
                    521:
                    522:
1.108     kristaps  523: /*
                    524:  * Get the index of an argument in a node's argument list or -1 if it
                    525:  * does not exist.  See arg_getattrs().
                    526:  */
1.1       kristaps  527: static int
                    528: arg_getattr(int v, const struct mdoc_node *n)
                    529: {
                    530:        int              val;
                    531:
                    532:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    533: }
                    534:
                    535:
1.108     kristaps  536: /*
                    537:  * Walk through the argument list for a node and fill an array "vals"
                    538:  * with the positions of the argument structures listed in "keys".
                    539:  * Return the number of elements that were written into "vals", which
                    540:  * can be zero.
                    541:  */
1.1       kristaps  542: static int
                    543: arg_getattrs(const int *keys, int *vals,
                    544:                size_t sz, const struct mdoc_node *n)
                    545: {
                    546:        int              i, j, k;
                    547:
                    548:        if (NULL == n->args)
                    549:                return(0);
                    550:
                    551:        for (k = i = 0; i < (int)n->args->argc; i++)
                    552:                for (j = 0; j < (int)sz; j++)
                    553:                        if (n->args->argv[i].arg == keys[j]) {
                    554:                                vals[j] = i;
                    555:                                k++;
                    556:                        }
                    557:        return(k);
                    558: }
                    559:
                    560:
1.108     kristaps  561: /*
                    562:  * Determine how much space to print out before block elements of `It'
                    563:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    564:  * too.
                    565:  */
1.54      kristaps  566: static void
1.151   ! kristaps  567: print_bvspace(struct termp *p,
        !           568:                const struct mdoc_node *bl,
        !           569:                const struct mdoc_node *n)
1.1       kristaps  570: {
1.86      kristaps  571:        const struct mdoc_node  *nn;
1.1       kristaps  572:
                    573:        term_newln(p);
1.150     kristaps  574:
1.151   ! kristaps  575:        if (MDOC_Bd == bl->tok && bl->data.Bd.comp)
1.150     kristaps  576:                return;
1.151   ! kristaps  577:        if (MDOC_Bl == bl->tok && bl->data.Bl.comp)
1.54      kristaps  578:                return;
                    579:
1.85      kristaps  580:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  581:
1.86      kristaps  582:        for (nn = n; nn; nn = nn->parent) {
                    583:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  584:                        continue;
1.86      kristaps  585:                if (MDOC_Ss == nn->tok)
1.54      kristaps  586:                        return;
1.86      kristaps  587:                if (MDOC_Sh == nn->tok)
1.54      kristaps  588:                        return;
1.86      kristaps  589:                if (NULL == nn->prev)
1.1       kristaps  590:                        continue;
                    591:                break;
                    592:        }
                    593:
1.85      kristaps  594:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  595:
1.151   ! kristaps  596:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl.type)
1.86      kristaps  597:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  598:                        return;
                    599:
1.85      kristaps  600:        /* A `-diag' without body does not vspace. */
                    601:
1.151   ! kristaps  602:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl.type)
1.86      kristaps  603:                if (n->prev && MDOC_It == n->prev->tok) {
                    604:                        assert(n->prev->body);
                    605:                        if (NULL == n->prev->body->child)
1.55      kristaps  606:                                return;
                    607:                }
                    608:
1.54      kristaps  609:        term_vspace(p);
1.1       kristaps  610: }
                    611:
                    612:
                    613: /* ARGSUSED */
                    614: static int
                    615: termp_dq_pre(DECL_ARGS)
                    616: {
                    617:
1.86      kristaps  618:        if (MDOC_BODY != n->type)
1.1       kristaps  619:                return(1);
                    620:
                    621:        term_word(p, "\\(lq");
                    622:        p->flags |= TERMP_NOSPACE;
                    623:        return(1);
                    624: }
                    625:
                    626:
                    627: /* ARGSUSED */
                    628: static void
                    629: termp_dq_post(DECL_ARGS)
                    630: {
                    631:
1.86      kristaps  632:        if (MDOC_BODY != n->type)
1.1       kristaps  633:                return;
                    634:
                    635:        p->flags |= TERMP_NOSPACE;
                    636:        term_word(p, "\\(rq");
                    637: }
                    638:
                    639:
                    640: /* ARGSUSED */
                    641: static int
                    642: termp_it_pre(DECL_ARGS)
                    643: {
1.86      kristaps  644:        const struct mdoc_node *bl, *nn;
1.1       kristaps  645:        char                    buf[7];
1.126     kristaps  646:        int                     i, keys[3], vals[3];
1.108     kristaps  647:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  648:        enum mdoc_list          type;
1.1       kristaps  649:
1.86      kristaps  650:        if (MDOC_BLOCK == n->type) {
1.151   ! kristaps  651:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  652:                return(1);
                    653:        }
1.1       kristaps  654:
1.86      kristaps  655:        bl = n->parent->parent->parent;
1.1       kristaps  656:
1.108     kristaps  657:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  658:
                    659:        keys[0] = MDOC_Width;
                    660:        keys[1] = MDOC_Offset;
                    661:        keys[2] = MDOC_Column;
                    662:
                    663:        vals[0] = vals[1] = vals[2] = -1;
                    664:
1.108     kristaps  665:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  666:
1.149     kristaps  667:        type = bl->data.Bl.type;
1.1       kristaps  668:
1.108     kristaps  669:        /*
                    670:         * First calculate width and offset.  This is pretty easy unless
                    671:         * we're a -column list, in which case all prior columns must
                    672:         * be accounted for.
                    673:         */
                    674:
                    675:        width = offset = 0;
                    676:
1.105     kristaps  677:        if (vals[1] >= 0)
1.148     kristaps  678:                offset = a2offs(bl->args->argv[vals[1]].value[0]);
1.105     kristaps  679:
1.1       kristaps  680:        switch (type) {
1.126     kristaps  681:        case (LIST_column):
1.134     kristaps  682:                if (MDOC_HEAD == n->type)
1.1       kristaps  683:                        break;
1.105     kristaps  684:                /*
1.108     kristaps  685:                 * Imitate groff's column handling:
                    686:                 * - For each earlier column, add its width.
                    687:                 * - For less than 5 columns, add four more blanks per
                    688:                 *   column.
                    689:                 * - For exactly 5 columns, add three more blank per
                    690:                 *   column.
                    691:                 * - For more than 5 columns, add only one column.
1.105     kristaps  692:                 */
                    693:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  694:                /* LINTED */
                    695:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    696:
1.134     kristaps  697:                /*
                    698:                 * Calculate the offset by applying all prior MDOC_BODY,
                    699:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    700:                 */
                    701:
1.108     kristaps  702:                for (i = 0, nn = n->prev;
1.134     kristaps  703:                                nn->prev && i < (int)ncols;
1.108     kristaps  704:                                nn = nn->prev, i++)
                    705:                        offset += dcol + a2width
                    706:                                (&bl->args->argv[vals[2]], i);
                    707:
1.105     kristaps  708:
                    709:                /*
1.108     kristaps  710:                 * When exceeding the declared number of columns, leave
                    711:                 * the remaining widths at 0.  This will later be
                    712:                 * adjusted to the default width of 10, or, for the last
                    713:                 * column, stretched to the right margin.
1.58      kristaps  714:                 */
1.108     kristaps  715:                if (i >= (int)ncols)
                    716:                        break;
1.58      kristaps  717:
1.105     kristaps  718:                /*
1.108     kristaps  719:                 * Use the declared column widths, extended as explained
                    720:                 * in the preceding paragraph.
1.105     kristaps  721:                 */
1.108     kristaps  722:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  723:                break;
                    724:        default:
1.108     kristaps  725:                if (vals[0] < 0)
                    726:                        break;
                    727:
                    728:                /*
                    729:                 * Note: buffer the width by 2, which is groff's magic
                    730:                 * number for buffering single arguments.  See the above
                    731:                 * handling for column for how this changes.
                    732:                 */
                    733:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  734:                break;
                    735:        }
                    736:
                    737:        /*
                    738:         * List-type can override the width in the case of fixed-head
                    739:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  740:         * offset.
1.1       kristaps  741:         */
                    742:
                    743:        switch (type) {
1.126     kristaps  744:        case (LIST_bullet):
1.1       kristaps  745:                /* FALLTHROUGH */
1.126     kristaps  746:        case (LIST_dash):
1.1       kristaps  747:                /* FALLTHROUGH */
1.126     kristaps  748:        case (LIST_hyphen):
1.1       kristaps  749:                if (width < 4)
                    750:                        width = 4;
                    751:                break;
1.126     kristaps  752:        case (LIST_enum):
1.17      kristaps  753:                if (width < 5)
                    754:                        width = 5;
                    755:                break;
1.126     kristaps  756:        case (LIST_hang):
1.39      kristaps  757:                if (0 == width)
                    758:                        width = 8;
                    759:                break;
1.126     kristaps  760:        case (LIST_column):
1.49      kristaps  761:                /* FALLTHROUGH */
1.126     kristaps  762:        case (LIST_tag):
1.1       kristaps  763:                if (0 == width)
                    764:                        width = 10;
                    765:                break;
                    766:        default:
                    767:                break;
                    768:        }
                    769:
                    770:        /*
1.17      kristaps  771:         * Whitespace control.  Inset bodies need an initial space,
                    772:         * while diagonal bodies need two.
1.1       kristaps  773:         */
                    774:
1.51      kristaps  775:        p->flags |= TERMP_NOSPACE;
                    776:
1.1       kristaps  777:        switch (type) {
1.126     kristaps  778:        case (LIST_diag):
1.86      kristaps  779:                if (MDOC_BODY == n->type)
1.62      kristaps  780:                        term_word(p, "\\ \\ ");
1.51      kristaps  781:                break;
1.126     kristaps  782:        case (LIST_inset):
1.86      kristaps  783:                if (MDOC_BODY == n->type)
1.51      kristaps  784:                        term_word(p, "\\ ");
1.1       kristaps  785:                break;
                    786:        default:
                    787:                break;
                    788:        }
                    789:
1.51      kristaps  790:        p->flags |= TERMP_NOSPACE;
                    791:
1.1       kristaps  792:        switch (type) {
1.126     kristaps  793:        case (LIST_diag):
1.86      kristaps  794:                if (MDOC_HEAD == n->type)
1.102     kristaps  795:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  796:                break;
                    797:        default:
                    798:                break;
                    799:        }
                    800:
                    801:        /*
1.109     kristaps  802:         * Pad and break control.  This is the tricky part.  These flags
                    803:         * are documented in term_flushln() in term.c.  Note that we're
                    804:         * going to unset all of these flags in termp_it_post() when we
                    805:         * exit.
1.1       kristaps  806:         */
                    807:
                    808:        switch (type) {
1.126     kristaps  809:        case (LIST_bullet):
1.1       kristaps  810:                /* FALLTHROUGH */
1.126     kristaps  811:        case (LIST_dash):
1.1       kristaps  812:                /* FALLTHROUGH */
1.126     kristaps  813:        case (LIST_enum):
1.1       kristaps  814:                /* FALLTHROUGH */
1.126     kristaps  815:        case (LIST_hyphen):
1.86      kristaps  816:                if (MDOC_HEAD == n->type)
1.39      kristaps  817:                        p->flags |= TERMP_NOBREAK;
                    818:                else
                    819:                        p->flags |= TERMP_NOLPAD;
                    820:                break;
1.126     kristaps  821:        case (LIST_hang):
1.86      kristaps  822:                if (MDOC_HEAD == n->type)
1.39      kristaps  823:                        p->flags |= TERMP_NOBREAK;
                    824:                else
                    825:                        p->flags |= TERMP_NOLPAD;
                    826:
1.86      kristaps  827:                if (MDOC_HEAD != n->type)
1.59      kristaps  828:                        break;
                    829:
                    830:                /*
                    831:                 * This is ugly.  If `-hang' is specified and the body
                    832:                 * is a `Bl' or `Bd', then we want basically to nullify
                    833:                 * the "overstep" effect in term_flushln() and treat
                    834:                 * this as a `-ohang' list instead.
                    835:                 */
1.86      kristaps  836:                if (n->next->child &&
                    837:                                (MDOC_Bl == n->next->child->tok ||
                    838:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  839:                        p->flags &= ~TERMP_NOBREAK;
                    840:                        p->flags &= ~TERMP_NOLPAD;
                    841:                } else
1.39      kristaps  842:                        p->flags |= TERMP_HANG;
                    843:                break;
1.126     kristaps  844:        case (LIST_tag):
1.86      kristaps  845:                if (MDOC_HEAD == n->type)
1.51      kristaps  846:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  847:                else
                    848:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  849:
1.86      kristaps  850:                if (MDOC_HEAD != n->type)
1.39      kristaps  851:                        break;
1.86      kristaps  852:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  853:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  854:                break;
1.126     kristaps  855:        case (LIST_column):
1.134     kristaps  856:                if (MDOC_HEAD == n->type)
                    857:                        break;
                    858:
                    859:                if (NULL == n->next)
                    860:                        p->flags &= ~TERMP_NOBREAK;
                    861:                else
                    862:                        p->flags |= TERMP_NOBREAK;
                    863:
                    864:                assert(n->prev);
                    865:                if (MDOC_BODY == n->prev->type)
                    866:                        p->flags |= TERMP_NOLPAD;
                    867:
1.1       kristaps  868:                break;
1.126     kristaps  869:        case (LIST_diag):
1.86      kristaps  870:                if (MDOC_HEAD == n->type)
1.1       kristaps  871:                        p->flags |= TERMP_NOBREAK;
                    872:                break;
                    873:        default:
                    874:                break;
                    875:        }
                    876:
                    877:        /*
                    878:         * Margin control.  Set-head-width lists have their right
                    879:         * margins shortened.  The body for these lists has the offset
                    880:         * necessarily lengthened.  Everybody gets the offset.
                    881:         */
                    882:
                    883:        p->offset += offset;
                    884:
                    885:        switch (type) {
1.126     kristaps  886:        case (LIST_hang):
1.59      kristaps  887:                /*
                    888:                 * Same stipulation as above, regarding `-hang'.  We
                    889:                 * don't want to recalculate rmargin and offsets when
                    890:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    891:                 */
1.86      kristaps  892:                if (MDOC_HEAD == n->type && n->next->child &&
                    893:                                (MDOC_Bl == n->next->child->tok ||
                    894:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  895:                        break;
                    896:                /* FALLTHROUGH */
1.126     kristaps  897:        case (LIST_bullet):
1.1       kristaps  898:                /* FALLTHROUGH */
1.126     kristaps  899:        case (LIST_dash):
1.1       kristaps  900:                /* FALLTHROUGH */
1.126     kristaps  901:        case (LIST_enum):
1.1       kristaps  902:                /* FALLTHROUGH */
1.126     kristaps  903:        case (LIST_hyphen):
1.1       kristaps  904:                /* FALLTHROUGH */
1.126     kristaps  905:        case (LIST_tag):
1.49      kristaps  906:                assert(width);
1.86      kristaps  907:                if (MDOC_HEAD == n->type)
1.1       kristaps  908:                        p->rmargin = p->offset + width;
                    909:                else
                    910:                        p->offset += width;
                    911:                break;
1.126     kristaps  912:        case (LIST_column):
1.49      kristaps  913:                assert(width);
1.1       kristaps  914:                p->rmargin = p->offset + width;
1.50      kristaps  915:                /*
                    916:                 * XXX - this behaviour is not documented: the
                    917:                 * right-most column is filled to the right margin.
                    918:                 */
1.134     kristaps  919:                if (MDOC_HEAD == n->type)
                    920:                        break;
                    921:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  922:                        p->rmargin = p->maxrmargin;
1.1       kristaps  923:                break;
                    924:        default:
                    925:                break;
                    926:        }
                    927:
                    928:        /*
                    929:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  930:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  931:         */
                    932:
1.86      kristaps  933:        if (MDOC_HEAD == n->type)
1.1       kristaps  934:                switch (type) {
1.126     kristaps  935:                case (LIST_bullet):
1.102     kristaps  936:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  937:                        term_word(p, "\\[bu]");
1.102     kristaps  938:                        term_fontpop(p);
1.1       kristaps  939:                        break;
1.126     kristaps  940:                case (LIST_dash):
1.1       kristaps  941:                        /* FALLTHROUGH */
1.126     kristaps  942:                case (LIST_hyphen):
1.102     kristaps  943:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  944:                        term_word(p, "\\(hy");
1.102     kristaps  945:                        term_fontpop(p);
1.1       kristaps  946:                        break;
1.126     kristaps  947:                case (LIST_enum):
1.1       kristaps  948:                        (pair->ppair->ppair->count)++;
1.109     kristaps  949:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  950:                                        pair->ppair->ppair->count);
                    951:                        term_word(p, buf);
                    952:                        break;
                    953:                default:
                    954:                        break;
                    955:                }
                    956:
                    957:        /*
                    958:         * If we're not going to process our children, indicate so here.
                    959:         */
                    960:
                    961:        switch (type) {
1.126     kristaps  962:        case (LIST_bullet):
1.1       kristaps  963:                /* FALLTHROUGH */
1.126     kristaps  964:        case (LIST_item):
1.1       kristaps  965:                /* FALLTHROUGH */
1.126     kristaps  966:        case (LIST_dash):
1.1       kristaps  967:                /* FALLTHROUGH */
1.126     kristaps  968:        case (LIST_hyphen):
1.1       kristaps  969:                /* FALLTHROUGH */
1.126     kristaps  970:        case (LIST_enum):
1.86      kristaps  971:                if (MDOC_HEAD == n->type)
1.1       kristaps  972:                        return(0);
                    973:                break;
1.126     kristaps  974:        case (LIST_column):
1.134     kristaps  975:                if (MDOC_HEAD == n->type)
1.1       kristaps  976:                        return(0);
                    977:                break;
                    978:        default:
                    979:                break;
                    980:        }
                    981:
                    982:        return(1);
                    983: }
                    984:
                    985:
                    986: /* ARGSUSED */
                    987: static void
                    988: termp_it_post(DECL_ARGS)
                    989: {
1.126     kristaps  990:        enum mdoc_list     type;
1.1       kristaps  991:
1.109     kristaps  992:        if (MDOC_BLOCK == n->type)
1.1       kristaps  993:                return;
                    994:
1.149     kristaps  995:        type = n->parent->parent->parent->data.Bl.type;
1.1       kristaps  996:
                    997:        switch (type) {
1.126     kristaps  998:        case (LIST_item):
1.1       kristaps  999:                /* FALLTHROUGH */
1.126     kristaps 1000:        case (LIST_diag):
1.53      kristaps 1001:                /* FALLTHROUGH */
1.126     kristaps 1002:        case (LIST_inset):
1.86      kristaps 1003:                if (MDOC_BODY == n->type)
1.130     schwarze 1004:                        term_newln(p);
1.1       kristaps 1005:                break;
1.126     kristaps 1006:        case (LIST_column):
1.134     kristaps 1007:                if (MDOC_BODY == n->type)
1.1       kristaps 1008:                        term_flushln(p);
                   1009:                break;
                   1010:        default:
1.130     schwarze 1011:                term_newln(p);
1.1       kristaps 1012:                break;
                   1013:        }
                   1014:
1.109     kristaps 1015:        /*
                   1016:         * Now that our output is flushed, we can reset our tags.  Since
                   1017:         * only `It' sets these flags, we're free to assume that nobody
                   1018:         * has munged them in the meanwhile.
                   1019:         */
                   1020:
                   1021:        p->flags &= ~TERMP_DANGLE;
                   1022:        p->flags &= ~TERMP_NOBREAK;
                   1023:        p->flags &= ~TERMP_TWOSPACE;
                   1024:        p->flags &= ~TERMP_NOLPAD;
                   1025:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1026: }
                   1027:
                   1028:
                   1029: /* ARGSUSED */
                   1030: static int
                   1031: termp_nm_pre(DECL_ARGS)
                   1032: {
                   1033:
1.125     kristaps 1034:        if (NULL == n->child && NULL == m->name)
1.127     joerg    1035:                return(1);
1.125     kristaps 1036:
1.143     kristaps 1037:        synopsis_pre(p, n);
1.102     kristaps 1038:
                   1039:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1040:        if (NULL == n->child)
                   1041:                term_word(p, m->name);
1.1       kristaps 1042:        return(1);
                   1043: }
                   1044:
                   1045:
                   1046: /* ARGSUSED */
                   1047: static int
                   1048: termp_fl_pre(DECL_ARGS)
                   1049: {
                   1050:
1.102     kristaps 1051:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1052:        term_word(p, "\\-");
1.103     kristaps 1053:
                   1054:        if (n->child)
1.114     kristaps 1055:                p->flags |= TERMP_NOSPACE;
                   1056:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1057:                p->flags |= TERMP_NOSPACE;
                   1058:
1.1       kristaps 1059:        return(1);
                   1060: }
                   1061:
                   1062:
                   1063: /* ARGSUSED */
                   1064: static int
1.61      kristaps 1065: termp_an_pre(DECL_ARGS)
                   1066: {
                   1067:
1.86      kristaps 1068:        if (NULL == n->child)
1.61      kristaps 1069:                return(1);
                   1070:
                   1071:        /*
1.85      kristaps 1072:         * If not in the AUTHORS section, `An -split' will cause
                   1073:         * newlines to occur before the author name.  If in the AUTHORS
                   1074:         * section, by default, the first `An' invocation is nosplit,
                   1075:         * then all subsequent ones, regardless of whether interspersed
                   1076:         * with other macros/text, are split.  -split, in this case,
                   1077:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1078:         */
                   1079:
1.86      kristaps 1080:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1081:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1082:                        if (TERMP_SPLIT & p->flags)
                   1083:                                term_newln(p);
                   1084:                        return(1);
                   1085:                }
                   1086:                if (TERMP_NOSPLIT & p->flags)
                   1087:                        return(1);
                   1088:                term_newln(p);
                   1089:                return(1);
                   1090:        }
                   1091:
                   1092:        if (TERMP_SPLIT & p->flags)
                   1093:                term_newln(p);
                   1094:
                   1095:        return(1);
                   1096: }
                   1097:
                   1098:
                   1099: /* ARGSUSED */
                   1100: static void
                   1101: termp_an_post(DECL_ARGS)
                   1102: {
                   1103:
1.86      kristaps 1104:        if (n->child) {
                   1105:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1106:                        p->flags |= TERMP_ANPREC;
                   1107:                return;
                   1108:        }
                   1109:
1.118     kristaps 1110:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1111:                p->flags &= ~TERMP_NOSPLIT;
                   1112:                p->flags |= TERMP_SPLIT;
                   1113:        } else {
                   1114:                p->flags &= ~TERMP_SPLIT;
                   1115:                p->flags |= TERMP_NOSPLIT;
                   1116:        }
                   1117:
                   1118: }
                   1119:
                   1120:
                   1121: /* ARGSUSED */
                   1122: static int
1.1       kristaps 1123: termp_ns_pre(DECL_ARGS)
                   1124: {
                   1125:
                   1126:        p->flags |= TERMP_NOSPACE;
                   1127:        return(1);
                   1128: }
                   1129:
                   1130:
                   1131: /* ARGSUSED */
                   1132: static int
                   1133: termp_rs_pre(DECL_ARGS)
                   1134: {
                   1135:
1.86      kristaps 1136:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1137:                return(1);
1.86      kristaps 1138:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1139:                term_vspace(p);
                   1140:        return(1);
                   1141: }
                   1142:
                   1143:
                   1144: /* ARGSUSED */
                   1145: static int
                   1146: termp_rv_pre(DECL_ARGS)
                   1147: {
1.68      kristaps 1148:        const struct mdoc_node  *nn;
1.1       kristaps 1149:
                   1150:        term_newln(p);
                   1151:        term_word(p, "The");
                   1152:
1.86      kristaps 1153:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1154:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1155:                term_word(p, nn->string);
1.102     kristaps 1156:                term_fontpop(p);
1.68      kristaps 1157:                p->flags |= TERMP_NOSPACE;
                   1158:                if (nn->next && NULL == nn->next->next)
                   1159:                        term_word(p, "(), and");
                   1160:                else if (nn->next)
                   1161:                        term_word(p, "(),");
                   1162:                else
                   1163:                        term_word(p, "()");
                   1164:        }
                   1165:
1.125     kristaps 1166:        if (n->child && n->child->next)
1.68      kristaps 1167:                term_word(p, "functions return");
                   1168:        else
                   1169:                term_word(p, "function returns");
1.1       kristaps 1170:
1.68      kristaps 1171:                term_word(p, "the value 0 if successful; otherwise the value "
                   1172:                        "-1 is returned and the global variable");
1.1       kristaps 1173:
1.102     kristaps 1174:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1175:        term_word(p, "errno");
1.102     kristaps 1176:        term_fontpop(p);
1.1       kristaps 1177:
                   1178:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1179:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1180:
1.68      kristaps 1181:        return(0);
1.1       kristaps 1182: }
                   1183:
                   1184:
                   1185: /* ARGSUSED */
                   1186: static int
                   1187: termp_ex_pre(DECL_ARGS)
                   1188: {
1.68      kristaps 1189:        const struct mdoc_node  *nn;
1.1       kristaps 1190:
1.68      kristaps 1191:        term_word(p, "The");
1.1       kristaps 1192:
1.86      kristaps 1193:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1194:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1195:                term_word(p, nn->string);
1.102     kristaps 1196:                term_fontpop(p);
1.68      kristaps 1197:                p->flags |= TERMP_NOSPACE;
                   1198:                if (nn->next && NULL == nn->next->next)
                   1199:                        term_word(p, ", and");
                   1200:                else if (nn->next)
                   1201:                        term_word(p, ",");
                   1202:                else
                   1203:                        p->flags &= ~TERMP_NOSPACE;
                   1204:        }
                   1205:
1.125     kristaps 1206:        if (n->child && n->child->next)
1.68      kristaps 1207:                term_word(p, "utilities exit");
                   1208:        else
                   1209:                term_word(p, "utility exits");
                   1210:
                   1211:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1212:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1213:
1.68      kristaps 1214:        return(0);
1.1       kristaps 1215: }
                   1216:
                   1217:
                   1218: /* ARGSUSED */
                   1219: static int
                   1220: termp_nd_pre(DECL_ARGS)
                   1221: {
1.25      kristaps 1222:
1.86      kristaps 1223:        if (MDOC_BODY != n->type)
1.25      kristaps 1224:                return(1);
1.30      kristaps 1225:
1.27      kristaps 1226: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1227:        term_word(p, "\\(en");
1.23      kristaps 1228: #else
                   1229:        term_word(p, "\\(em");
                   1230: #endif
1.1       kristaps 1231:        return(1);
1.115     kristaps 1232: }
                   1233:
                   1234:
                   1235: /* ARGSUSED */
                   1236: static int
                   1237: termp_bl_pre(DECL_ARGS)
                   1238: {
                   1239:
                   1240:        return(MDOC_HEAD != n->type);
1.1       kristaps 1241: }
                   1242:
                   1243:
                   1244: /* ARGSUSED */
                   1245: static void
                   1246: termp_bl_post(DECL_ARGS)
                   1247: {
                   1248:
1.86      kristaps 1249:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1250:                term_newln(p);
                   1251: }
                   1252:
                   1253:
                   1254: /* ARGSUSED */
                   1255: static void
                   1256: termp_op_post(DECL_ARGS)
                   1257: {
                   1258:
1.86      kristaps 1259:        if (MDOC_BODY != n->type)
1.1       kristaps 1260:                return;
                   1261:        p->flags |= TERMP_NOSPACE;
                   1262:        term_word(p, "\\(rB");
                   1263: }
                   1264:
                   1265:
                   1266: /* ARGSUSED */
                   1267: static int
                   1268: termp_xr_pre(DECL_ARGS)
                   1269: {
1.86      kristaps 1270:        const struct mdoc_node *nn;
1.1       kristaps 1271:
1.113     kristaps 1272:        if (NULL == n->child)
                   1273:                return(0);
                   1274:
                   1275:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1276:        nn = n->child;
1.11      kristaps 1277:
1.86      kristaps 1278:        term_word(p, nn->string);
                   1279:        if (NULL == (nn = nn->next))
1.1       kristaps 1280:                return(0);
                   1281:        p->flags |= TERMP_NOSPACE;
                   1282:        term_word(p, "(");
                   1283:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1284:        term_word(p, nn->string);
1.1       kristaps 1285:        p->flags |= TERMP_NOSPACE;
                   1286:        term_word(p, ")");
1.86      kristaps 1287:
1.1       kristaps 1288:        return(0);
                   1289: }
                   1290:
                   1291:
1.143     kristaps 1292: /*
                   1293:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1294:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1295:  * macro combos).
                   1296:  */
                   1297: static void
                   1298: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1299: {
                   1300:        /*
                   1301:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1302:         * exist, do nothing.
                   1303:         */
                   1304:        if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
                   1305:                return;
                   1306:
                   1307:        /*
                   1308:         * If we're the second in a pair of like elements, emit our
                   1309:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1310:         * case we soldier on.
                   1311:         */
                   1312:        if (n->prev->tok == n->tok &&
                   1313:                        MDOC_Ft != n->tok &&
                   1314:                        MDOC_Fo != n->tok &&
                   1315:                        MDOC_Fn != n->tok) {
                   1316:                term_newln(p);
                   1317:                return;
                   1318:        }
                   1319:
                   1320:        /*
                   1321:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1322:         * another (or Fn/Fo, which we've let slip through) then assert
                   1323:         * vertical space, else only newline and move on.
                   1324:         */
                   1325:        switch (n->prev->tok) {
                   1326:        case (MDOC_Fd):
                   1327:                /* FALLTHROUGH */
                   1328:        case (MDOC_Fn):
                   1329:                /* FALLTHROUGH */
                   1330:        case (MDOC_Fo):
                   1331:                /* FALLTHROUGH */
                   1332:        case (MDOC_In):
                   1333:                /* FALLTHROUGH */
                   1334:        case (MDOC_Vt):
                   1335:                term_vspace(p);
                   1336:                break;
                   1337:        case (MDOC_Ft):
                   1338:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1339:                        term_vspace(p);
                   1340:                        break;
                   1341:                }
                   1342:                /* FALLTHROUGH */
                   1343:        default:
                   1344:                term_newln(p);
                   1345:                break;
                   1346:        }
                   1347: }
                   1348:
                   1349:
1.110     kristaps 1350: static int
                   1351: termp_vt_pre(DECL_ARGS)
                   1352: {
                   1353:
1.143     kristaps 1354:        if (MDOC_ELEM == n->type) {
                   1355:                synopsis_pre(p, n);
1.110     kristaps 1356:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1357:        } else if (MDOC_BLOCK == n->type) {
                   1358:                synopsis_pre(p, n);
                   1359:                return(1);
                   1360:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1361:                return(0);
                   1362:
                   1363:        return(termp_under_pre(p, pair, m, n));
                   1364: }
                   1365:
                   1366:
1.1       kristaps 1367: /* ARGSUSED */
                   1368: static int
1.69      kristaps 1369: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1370: {
                   1371:
1.102     kristaps 1372:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1373:        return(1);
                   1374: }
                   1375:
                   1376:
                   1377: /* ARGSUSED */
1.143     kristaps 1378: static int
                   1379: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1380: {
                   1381:
1.143     kristaps 1382:        synopsis_pre(p, n);
                   1383:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1384: }
                   1385:
                   1386:
                   1387: /* ARGSUSED */
                   1388: static int
                   1389: termp_sh_pre(DECL_ARGS)
                   1390: {
1.85      kristaps 1391:
                   1392:        /* No vspace between consecutive `Sh' calls. */
                   1393:
1.86      kristaps 1394:        switch (n->type) {
1.65      kristaps 1395:        case (MDOC_BLOCK):
1.86      kristaps 1396:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1397:                        if (NULL == n->prev->body->child)
1.65      kristaps 1398:                                break;
                   1399:                term_vspace(p);
                   1400:                break;
1.1       kristaps 1401:        case (MDOC_HEAD):
1.102     kristaps 1402:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1403:                break;
                   1404:        case (MDOC_BODY):
                   1405:                p->offset = INDENT;
                   1406:                break;
                   1407:        default:
                   1408:                break;
                   1409:        }
                   1410:        return(1);
                   1411: }
                   1412:
                   1413:
                   1414: /* ARGSUSED */
                   1415: static void
                   1416: termp_sh_post(DECL_ARGS)
                   1417: {
                   1418:
1.86      kristaps 1419:        switch (n->type) {
1.1       kristaps 1420:        case (MDOC_HEAD):
                   1421:                term_newln(p);
                   1422:                break;
                   1423:        case (MDOC_BODY):
                   1424:                term_newln(p);
                   1425:                p->offset = 0;
                   1426:                break;
                   1427:        default:
                   1428:                break;
                   1429:        }
                   1430: }
                   1431:
                   1432:
                   1433: /* ARGSUSED */
                   1434: static int
                   1435: termp_op_pre(DECL_ARGS)
                   1436: {
                   1437:
1.86      kristaps 1438:        switch (n->type) {
1.1       kristaps 1439:        case (MDOC_BODY):
                   1440:                term_word(p, "\\(lB");
                   1441:                p->flags |= TERMP_NOSPACE;
                   1442:                break;
                   1443:        default:
                   1444:                break;
                   1445:        }
                   1446:        return(1);
                   1447: }
                   1448:
                   1449:
                   1450: /* ARGSUSED */
                   1451: static int
                   1452: termp_bt_pre(DECL_ARGS)
                   1453: {
                   1454:
                   1455:        term_word(p, "is currently in beta test.");
1.131     kristaps 1456:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1457:        return(0);
1.1       kristaps 1458: }
                   1459:
                   1460:
                   1461: /* ARGSUSED */
                   1462: static void
                   1463: termp_lb_post(DECL_ARGS)
                   1464: {
                   1465:
1.122     kristaps 1466:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1467:                term_newln(p);
1.1       kristaps 1468: }
                   1469:
                   1470:
                   1471: /* ARGSUSED */
                   1472: static int
                   1473: termp_ud_pre(DECL_ARGS)
                   1474: {
                   1475:
                   1476:        term_word(p, "currently under development.");
1.131     kristaps 1477:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1478:        return(0);
1.1       kristaps 1479: }
                   1480:
                   1481:
                   1482: /* ARGSUSED */
                   1483: static int
                   1484: termp_d1_pre(DECL_ARGS)
                   1485: {
                   1486:
1.86      kristaps 1487:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1488:                return(1);
                   1489:        term_newln(p);
1.29      kristaps 1490:        p->offset += (INDENT + 1);
1.1       kristaps 1491:        return(1);
                   1492: }
                   1493:
                   1494:
                   1495: /* ARGSUSED */
                   1496: static void
                   1497: termp_d1_post(DECL_ARGS)
                   1498: {
                   1499:
1.86      kristaps 1500:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1501:                return;
                   1502:        term_newln(p);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static int
                   1508: termp_aq_pre(DECL_ARGS)
                   1509: {
                   1510:
1.86      kristaps 1511:        if (MDOC_BODY != n->type)
1.1       kristaps 1512:                return(1);
                   1513:        term_word(p, "\\(la");
                   1514:        p->flags |= TERMP_NOSPACE;
                   1515:        return(1);
                   1516: }
                   1517:
                   1518:
                   1519: /* ARGSUSED */
                   1520: static void
                   1521: termp_aq_post(DECL_ARGS)
                   1522: {
                   1523:
1.86      kristaps 1524:        if (MDOC_BODY != n->type)
1.1       kristaps 1525:                return;
                   1526:        p->flags |= TERMP_NOSPACE;
                   1527:        term_word(p, "\\(ra");
                   1528: }
                   1529:
                   1530:
                   1531: /* ARGSUSED */
                   1532: static int
                   1533: termp_ft_pre(DECL_ARGS)
                   1534: {
                   1535:
1.141     kristaps 1536:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1537:        synopsis_pre(p, n);
1.102     kristaps 1538:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1539:        return(1);
                   1540: }
                   1541:
                   1542:
                   1543: /* ARGSUSED */
                   1544: static int
                   1545: termp_fn_pre(DECL_ARGS)
                   1546: {
1.86      kristaps 1547:        const struct mdoc_node  *nn;
1.1       kristaps 1548:
1.143     kristaps 1549:        synopsis_pre(p, n);
1.139     kristaps 1550:
1.102     kristaps 1551:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1552:        term_word(p, n->child->string);
1.102     kristaps 1553:        term_fontpop(p);
1.1       kristaps 1554:
                   1555:        p->flags |= TERMP_NOSPACE;
                   1556:        term_word(p, "(");
                   1557:
1.86      kristaps 1558:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1559:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1560:                term_word(p, nn->string);
1.102     kristaps 1561:                term_fontpop(p);
                   1562:
1.86      kristaps 1563:                if (nn->next)
1.1       kristaps 1564:                        term_word(p, ",");
                   1565:        }
                   1566:
                   1567:        term_word(p, ")");
                   1568:
1.86      kristaps 1569:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1570:                term_word(p, ";");
                   1571:
                   1572:        return(0);
                   1573: }
                   1574:
                   1575:
                   1576: /* ARGSUSED */
                   1577: static int
                   1578: termp_fa_pre(DECL_ARGS)
                   1579: {
1.86      kristaps 1580:        const struct mdoc_node  *nn;
1.1       kristaps 1581:
1.86      kristaps 1582:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1583:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1584:                return(1);
                   1585:        }
                   1586:
1.86      kristaps 1587:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1588:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1589:                term_word(p, nn->string);
1.102     kristaps 1590:                term_fontpop(p);
                   1591:
1.86      kristaps 1592:                if (nn->next)
1.1       kristaps 1593:                        term_word(p, ",");
                   1594:        }
                   1595:
1.86      kristaps 1596:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1597:                term_word(p, ",");
                   1598:
                   1599:        return(0);
                   1600: }
                   1601:
                   1602:
                   1603: /* ARGSUSED */
                   1604: static int
                   1605: termp_bd_pre(DECL_ARGS)
                   1606: {
1.129     schwarze 1607:        size_t                   tabwidth;
1.119     kristaps 1608:        size_t                   rm, rmax;
1.85      kristaps 1609:        const struct mdoc_node  *nn;
1.1       kristaps 1610:
1.86      kristaps 1611:        if (MDOC_BLOCK == n->type) {
1.151   ! kristaps 1612:                print_bvspace(p, n, n);
1.54      kristaps 1613:                return(1);
1.116     kristaps 1614:        } else if (MDOC_HEAD == n->type)
                   1615:                return(0);
1.1       kristaps 1616:
1.148     kristaps 1617:        if (n->data.Bd.offs)
                   1618:                p->offset += a2offs(n->data.Bd.offs);
1.85      kristaps 1619:
                   1620:        /*
                   1621:         * If -ragged or -filled are specified, the block does nothing
                   1622:         * but change the indentation.  If -unfilled or -literal are
                   1623:         * specified, text is printed exactly as entered in the display:
                   1624:         * for macro lines, a newline is appended to the line.  Blank
                   1625:         * lines are allowed.
                   1626:         */
1.60      kristaps 1627:
1.148     kristaps 1628:        if (DISP_literal != n->data.Bd.type &&
                   1629:                        DISP_unfilled != n->data.Bd.type)
1.1       kristaps 1630:                return(1);
                   1631:
1.129     schwarze 1632:        tabwidth = p->tabwidth;
                   1633:        p->tabwidth = 8;
1.119     kristaps 1634:        rm = p->rmargin;
                   1635:        rmax = p->maxrmargin;
1.120     kristaps 1636:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1637:
1.86      kristaps 1638:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1639:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1640:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1641:                if (NULL == nn->prev ||
                   1642:                    nn->prev->line < nn->line ||
                   1643:                    NULL == nn->next)
1.87      kristaps 1644:                        term_flushln(p);
1.1       kristaps 1645:        }
1.147     kristaps 1646:
1.129     schwarze 1647:        p->tabwidth = tabwidth;
1.119     kristaps 1648:        p->rmargin = rm;
                   1649:        p->maxrmargin = rmax;
1.1       kristaps 1650:        return(0);
                   1651: }
                   1652:
                   1653:
                   1654: /* ARGSUSED */
                   1655: static void
                   1656: termp_bd_post(DECL_ARGS)
                   1657: {
1.119     kristaps 1658:        size_t           rm, rmax;
1.1       kristaps 1659:
1.86      kristaps 1660:        if (MDOC_BODY != n->type)
1.1       kristaps 1661:                return;
1.118     kristaps 1662:
1.119     kristaps 1663:        rm = p->rmargin;
                   1664:        rmax = p->maxrmargin;
1.118     kristaps 1665:
1.148     kristaps 1666:        if (DISP_literal == n->data.Bd.type ||
                   1667:                        DISP_unfilled == n->data.Bd.type)
1.120     kristaps 1668:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1669:
1.60      kristaps 1670:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1671:        term_newln(p);
1.118     kristaps 1672:
1.119     kristaps 1673:        p->rmargin = rm;
                   1674:        p->maxrmargin = rmax;
1.1       kristaps 1675: }
                   1676:
                   1677:
                   1678: /* ARGSUSED */
                   1679: static int
                   1680: termp_qq_pre(DECL_ARGS)
                   1681: {
                   1682:
1.86      kristaps 1683:        if (MDOC_BODY != n->type)
1.1       kristaps 1684:                return(1);
                   1685:        term_word(p, "\"");
                   1686:        p->flags |= TERMP_NOSPACE;
                   1687:        return(1);
                   1688: }
                   1689:
                   1690:
                   1691: /* ARGSUSED */
                   1692: static void
                   1693: termp_qq_post(DECL_ARGS)
                   1694: {
                   1695:
1.86      kristaps 1696:        if (MDOC_BODY != n->type)
1.1       kristaps 1697:                return;
                   1698:        p->flags |= TERMP_NOSPACE;
                   1699:        term_word(p, "\"");
                   1700: }
                   1701:
                   1702:
                   1703: /* ARGSUSED */
                   1704: static void
                   1705: termp_bx_post(DECL_ARGS)
                   1706: {
                   1707:
1.86      kristaps 1708:        if (n->child)
1.1       kristaps 1709:                p->flags |= TERMP_NOSPACE;
                   1710:        term_word(p, "BSD");
                   1711: }
                   1712:
                   1713:
                   1714: /* ARGSUSED */
                   1715: static int
1.26      kristaps 1716: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1717: {
1.26      kristaps 1718:        const char      *pp;
1.1       kristaps 1719:
1.26      kristaps 1720:        pp = NULL;
1.86      kristaps 1721:        switch (n->tok) {
1.26      kristaps 1722:        case (MDOC_Bsx):
                   1723:                pp = "BSDI BSD/OS";
                   1724:                break;
                   1725:        case (MDOC_Dx):
1.100     kristaps 1726:                pp = "DragonFly";
1.26      kristaps 1727:                break;
                   1728:        case (MDOC_Fx):
                   1729:                pp = "FreeBSD";
                   1730:                break;
                   1731:        case (MDOC_Nx):
                   1732:                pp = "NetBSD";
                   1733:                break;
                   1734:        case (MDOC_Ox):
                   1735:                pp = "OpenBSD";
                   1736:                break;
                   1737:        case (MDOC_Ux):
                   1738:                pp = "UNIX";
                   1739:                break;
                   1740:        default:
                   1741:                break;
                   1742:        }
1.1       kristaps 1743:
1.26      kristaps 1744:        assert(pp);
                   1745:        term_word(p, pp);
1.1       kristaps 1746:        return(1);
                   1747: }
                   1748:
                   1749:
                   1750: /* ARGSUSED */
                   1751: static int
                   1752: termp_sq_pre(DECL_ARGS)
                   1753: {
                   1754:
1.86      kristaps 1755:        if (MDOC_BODY != n->type)
1.1       kristaps 1756:                return(1);
                   1757:        term_word(p, "\\(oq");
                   1758:        p->flags |= TERMP_NOSPACE;
                   1759:        return(1);
                   1760: }
                   1761:
                   1762:
                   1763: /* ARGSUSED */
                   1764: static void
                   1765: termp_sq_post(DECL_ARGS)
                   1766: {
                   1767:
1.86      kristaps 1768:        if (MDOC_BODY != n->type)
1.1       kristaps 1769:                return;
                   1770:        p->flags |= TERMP_NOSPACE;
                   1771:        term_word(p, "\\(aq");
                   1772: }
                   1773:
                   1774:
                   1775: /* ARGSUSED */
                   1776: static int
                   1777: termp_pf_pre(DECL_ARGS)
                   1778: {
                   1779:
                   1780:        p->flags |= TERMP_IGNDELIM;
                   1781:        return(1);
                   1782: }
                   1783:
                   1784:
                   1785: /* ARGSUSED */
                   1786: static void
                   1787: termp_pf_post(DECL_ARGS)
                   1788: {
                   1789:
                   1790:        p->flags &= ~TERMP_IGNDELIM;
                   1791:        p->flags |= TERMP_NOSPACE;
                   1792: }
                   1793:
                   1794:
                   1795: /* ARGSUSED */
                   1796: static int
                   1797: termp_ss_pre(DECL_ARGS)
                   1798: {
                   1799:
1.86      kristaps 1800:        switch (n->type) {
1.1       kristaps 1801:        case (MDOC_BLOCK):
                   1802:                term_newln(p);
1.86      kristaps 1803:                if (n->prev)
1.1       kristaps 1804:                        term_vspace(p);
                   1805:                break;
                   1806:        case (MDOC_HEAD):
1.102     kristaps 1807:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1808:                p->offset = HALFINDENT;
1.1       kristaps 1809:                break;
                   1810:        default:
                   1811:                break;
                   1812:        }
                   1813:
                   1814:        return(1);
                   1815: }
                   1816:
                   1817:
                   1818: /* ARGSUSED */
                   1819: static void
                   1820: termp_ss_post(DECL_ARGS)
                   1821: {
                   1822:
1.86      kristaps 1823:        if (MDOC_HEAD == n->type)
1.1       kristaps 1824:                term_newln(p);
                   1825: }
                   1826:
                   1827:
                   1828: /* ARGSUSED */
                   1829: static int
                   1830: termp_cd_pre(DECL_ARGS)
                   1831: {
                   1832:
1.143     kristaps 1833:        synopsis_pre(p, n);
1.102     kristaps 1834:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1835:        return(1);
                   1836: }
                   1837:
                   1838:
                   1839: /* ARGSUSED */
                   1840: static int
                   1841: termp_in_pre(DECL_ARGS)
                   1842: {
1.142     schwarze 1843:
1.143     kristaps 1844:        synopsis_pre(p, n);
1.1       kristaps 1845:
1.138     kristaps 1846:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
                   1847:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1848:                term_word(p, "#include");
1.138     kristaps 1849:                term_word(p, "<");
                   1850:        } else {
                   1851:                term_word(p, "<");
                   1852:                term_fontpush(p, TERMFONT_UNDER);
                   1853:        }
1.22      kristaps 1854:
1.1       kristaps 1855:        p->flags |= TERMP_NOSPACE;
                   1856:        return(1);
                   1857: }
                   1858:
                   1859:
                   1860: /* ARGSUSED */
                   1861: static void
                   1862: termp_in_post(DECL_ARGS)
                   1863: {
                   1864:
1.143     kristaps 1865:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1866:                term_fontpush(p, TERMFONT_BOLD);
                   1867:
1.79      kristaps 1868:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1869:        term_word(p, ">");
                   1870:
1.143     kristaps 1871:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1872:                term_fontpop(p);
1.1       kristaps 1873: }
                   1874:
                   1875:
                   1876: /* ARGSUSED */
                   1877: static int
1.45      kristaps 1878: termp_sp_pre(DECL_ARGS)
                   1879: {
1.91      kristaps 1880:        size_t           i, len;
1.45      kristaps 1881:
1.86      kristaps 1882:        switch (n->tok) {
1.76      kristaps 1883:        case (MDOC_sp):
1.96      kristaps 1884:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1885:                break;
                   1886:        case (MDOC_br):
                   1887:                len = 0;
                   1888:                break;
                   1889:        default:
                   1890:                len = 1;
                   1891:                break;
1.45      kristaps 1892:        }
                   1893:
                   1894:        if (0 == len)
                   1895:                term_newln(p);
                   1896:        for (i = 0; i < len; i++)
                   1897:                term_vspace(p);
                   1898:
                   1899:        return(0);
                   1900: }
                   1901:
                   1902:
                   1903: /* ARGSUSED */
                   1904: static int
1.1       kristaps 1905: termp_brq_pre(DECL_ARGS)
                   1906: {
                   1907:
1.86      kristaps 1908:        if (MDOC_BODY != n->type)
1.1       kristaps 1909:                return(1);
                   1910:        term_word(p, "\\(lC");
                   1911:        p->flags |= TERMP_NOSPACE;
                   1912:        return(1);
                   1913: }
                   1914:
                   1915:
                   1916: /* ARGSUSED */
                   1917: static void
                   1918: termp_brq_post(DECL_ARGS)
                   1919: {
                   1920:
1.86      kristaps 1921:        if (MDOC_BODY != n->type)
1.1       kristaps 1922:                return;
                   1923:        p->flags |= TERMP_NOSPACE;
                   1924:        term_word(p, "\\(rC");
                   1925: }
                   1926:
                   1927:
                   1928: /* ARGSUSED */
                   1929: static int
                   1930: termp_bq_pre(DECL_ARGS)
                   1931: {
                   1932:
1.86      kristaps 1933:        if (MDOC_BODY != n->type)
1.1       kristaps 1934:                return(1);
                   1935:        term_word(p, "\\(lB");
                   1936:        p->flags |= TERMP_NOSPACE;
                   1937:        return(1);
                   1938: }
                   1939:
                   1940:
                   1941: /* ARGSUSED */
                   1942: static void
                   1943: termp_bq_post(DECL_ARGS)
                   1944: {
                   1945:
1.86      kristaps 1946:        if (MDOC_BODY != n->type)
1.1       kristaps 1947:                return;
                   1948:        p->flags |= TERMP_NOSPACE;
                   1949:        term_word(p, "\\(rB");
                   1950: }
                   1951:
                   1952:
                   1953: /* ARGSUSED */
                   1954: static int
                   1955: termp_pq_pre(DECL_ARGS)
                   1956: {
                   1957:
1.86      kristaps 1958:        if (MDOC_BODY != n->type)
1.1       kristaps 1959:                return(1);
                   1960:        term_word(p, "\\&(");
                   1961:        p->flags |= TERMP_NOSPACE;
                   1962:        return(1);
                   1963: }
                   1964:
                   1965:
                   1966: /* ARGSUSED */
                   1967: static void
                   1968: termp_pq_post(DECL_ARGS)
                   1969: {
                   1970:
1.86      kristaps 1971:        if (MDOC_BODY != n->type)
1.1       kristaps 1972:                return;
                   1973:        term_word(p, ")");
                   1974: }
                   1975:
                   1976:
                   1977: /* ARGSUSED */
                   1978: static int
                   1979: termp_fo_pre(DECL_ARGS)
                   1980: {
                   1981:
1.141     kristaps 1982:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1983:                synopsis_pre(p, n);
1.141     kristaps 1984:                return(1);
                   1985:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 1986:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1987:                term_word(p, "(");
                   1988:                p->flags |= TERMP_NOSPACE;
                   1989:                return(1);
1.141     kristaps 1990:        }
                   1991:
                   1992:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1993:
1.141     kristaps 1994:        assert(n->child);
                   1995:        assert(n->child->string);
1.102     kristaps 1996:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1997:        term_word(p, n->child->string);
1.1       kristaps 1998:        return(0);
                   1999: }
                   2000:
                   2001:
                   2002: /* ARGSUSED */
                   2003: static void
                   2004: termp_fo_post(DECL_ARGS)
                   2005: {
                   2006:
1.143     kristaps 2007:        if (MDOC_BODY != n->type)
                   2008:                return;
                   2009:
                   2010:        p->flags |= TERMP_NOSPACE;
                   2011:        term_word(p, ")");
                   2012:
                   2013:        if (SEC_SYNOPSIS == n->sec) {
1.141     kristaps 2014:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2015:                term_word(p, ";");
1.141     kristaps 2016:        }
1.1       kristaps 2017: }
                   2018:
                   2019:
                   2020: /* ARGSUSED */
                   2021: static int
                   2022: termp_bf_pre(DECL_ARGS)
                   2023: {
1.86      kristaps 2024:        const struct mdoc_node  *nn;
1.1       kristaps 2025:
1.86      kristaps 2026:        if (MDOC_HEAD == n->type)
1.1       kristaps 2027:                return(0);
1.86      kristaps 2028:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2029:                return(1);
                   2030:
1.86      kristaps 2031:        if (NULL == (nn = n->head->child)) {
                   2032:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2033:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2034:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2035:                        term_fontpush(p, TERMFONT_BOLD);
                   2036:                else
                   2037:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2038:
                   2039:                return(1);
                   2040:        }
                   2041:
1.86      kristaps 2042:        assert(MDOC_TEXT == nn->type);
                   2043:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2044:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2045:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2046:                term_fontpush(p, TERMFONT_BOLD);
                   2047:        else
                   2048:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2049:
                   2050:        return(1);
                   2051: }
                   2052:
                   2053:
                   2054: /* ARGSUSED */
                   2055: static int
                   2056: termp_sm_pre(DECL_ARGS)
                   2057: {
                   2058:
1.86      kristaps 2059:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2060:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2061:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2062:        else
1.1       kristaps 2063:                p->flags |= TERMP_NONOSPACE;
                   2064:
                   2065:        return(0);
                   2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static int
                   2071: termp_ap_pre(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        p->flags |= TERMP_NOSPACE;
                   2075:        term_word(p, "\\(aq");
                   2076:        p->flags |= TERMP_NOSPACE;
                   2077:        return(1);
                   2078: }
                   2079:
                   2080:
                   2081: /* ARGSUSED */
                   2082: static void
                   2083: termp____post(DECL_ARGS)
                   2084: {
                   2085:
1.95      kristaps 2086:        /* TODO: %U. */
                   2087:
1.1       kristaps 2088:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2089:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2090: }
                   2091:
                   2092:
                   2093: /* ARGSUSED */
                   2094: static int
1.102     kristaps 2095: termp_li_pre(DECL_ARGS)
                   2096: {
                   2097:
                   2098:        term_fontpush(p, TERMFONT_NONE);
                   2099:        return(1);
                   2100: }
                   2101:
                   2102:
                   2103: /* ARGSUSED */
                   2104: static int
1.1       kristaps 2105: termp_lk_pre(DECL_ARGS)
                   2106: {
1.86      kristaps 2107:        const struct mdoc_node *nn;
1.1       kristaps 2108:
1.102     kristaps 2109:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2110:        nn = n->child;
                   2111:
                   2112:        if (NULL == nn->next)
1.12      kristaps 2113:                return(1);
                   2114:
1.86      kristaps 2115:        term_word(p, nn->string);
1.102     kristaps 2116:        term_fontpop(p);
1.96      kristaps 2117:
1.1       kristaps 2118:        p->flags |= TERMP_NOSPACE;
                   2119:        term_word(p, ":");
                   2120:
1.102     kristaps 2121:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2122:        for (nn = nn->next; nn; nn = nn->next)
                   2123:                term_word(p, nn->string);
1.102     kristaps 2124:        term_fontpop(p);
1.12      kristaps 2125:
1.1       kristaps 2126:        return(0);
                   2127: }
                   2128:
                   2129:
                   2130: /* ARGSUSED */
                   2131: static int
1.69      kristaps 2132: termp_under_pre(DECL_ARGS)
1.1       kristaps 2133: {
                   2134:
1.102     kristaps 2135:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2136:        return(1);
                   2137: }

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