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Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.72

1.72    ! schwarze    1: /*     $Id: mdoc_term.c,v 1.71 2010/03/26 01:22:05 schwarze Exp $ */
1.1       kristaps    2: /*
1.2       schwarze    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
1.2       schwarze    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:  *
1.2       schwarze    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:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <stdio.h>
                     22: #include <stdlib.h>
                     23: #include <string.h>
                     24:
1.61      schwarze   25: #include "out.h"
1.1       kristaps   26: #include "term.h"
                     27: #include "mdoc.h"
1.61      schwarze   28: #include "chars.h"
                     29: #include "main.h"
1.54      schwarze   30:
1.51      schwarze   31: #define        INDENT            5
                     32: #define        HALFINDENT        3
1.1       kristaps   33:
                     34: struct termpair {
                     35:        struct termpair  *ppair;
1.27      schwarze   36:        int               count;
1.1       kristaps   37: };
                     38:
1.29      schwarze   39: #define        DECL_ARGS struct termp *p, \
                     40:                  struct termpair *pair, \
1.60      schwarze   41:                  const struct mdoc_meta *m, \
                     42:                  const struct mdoc_node *n
1.1       kristaps   43:
                     44: struct termact {
                     45:        int     (*pre)(DECL_ARGS);
                     46:        void    (*post)(DECL_ARGS);
                     47: };
1.29      schwarze   48:
1.62      schwarze   49: static size_t    a2width(const struct mdoc_argv *, int);
                     50: static size_t    a2height(const struct mdoc_node *);
                     51: static size_t    a2offs(const struct mdoc_argv *);
                     52:
                     53: static int       arg_hasattr(int, const struct mdoc_node *);
                     54: static int       arg_getattrs(const int *, int *, size_t,
                     55:                        const struct mdoc_node *);
                     56: static int       arg_getattr(int, const struct mdoc_node *);
                     57: static int       arg_listtype(const struct mdoc_node *);
                     58: static void      print_bvspace(struct termp *,
                     59:                        const struct mdoc_node *,
                     60:                        const struct mdoc_node *);
1.65      schwarze   61: static void      print_mdoc_node(DECL_ARGS);
                     62: static void      print_mdoc_head(DECL_ARGS);
                     63: static void      print_mdoc_nodelist(DECL_ARGS);
1.62      schwarze   64: static void      print_foot(DECL_ARGS);
                     65:
1.29      schwarze   66: static void      termp____post(DECL_ARGS);
1.49      schwarze   67: static void      termp_an_post(DECL_ARGS);
1.29      schwarze   68: static void      termp_aq_post(DECL_ARGS);
                     69: static void      termp_bd_post(DECL_ARGS);
                     70: static void      termp_bl_post(DECL_ARGS);
                     71: static void      termp_bq_post(DECL_ARGS);
                     72: static void      termp_brq_post(DECL_ARGS);
                     73: static void      termp_bx_post(DECL_ARGS);
                     74: static void      termp_d1_post(DECL_ARGS);
                     75: static void      termp_dq_post(DECL_ARGS);
                     76: static void      termp_fd_post(DECL_ARGS);
                     77: static void      termp_fn_post(DECL_ARGS);
                     78: static void      termp_fo_post(DECL_ARGS);
                     79: static void      termp_ft_post(DECL_ARGS);
                     80: static void      termp_in_post(DECL_ARGS);
                     81: static void      termp_it_post(DECL_ARGS);
                     82: static void      termp_lb_post(DECL_ARGS);
                     83: static void      termp_op_post(DECL_ARGS);
                     84: static void      termp_pf_post(DECL_ARGS);
                     85: static void      termp_pq_post(DECL_ARGS);
                     86: static void      termp_qq_post(DECL_ARGS);
                     87: static void      termp_sh_post(DECL_ARGS);
                     88: static void      termp_sq_post(DECL_ARGS);
                     89: static void      termp_ss_post(DECL_ARGS);
                     90: static void      termp_vt_post(DECL_ARGS);
                     91:
1.58      schwarze   92: static int       termp__t_pre(DECL_ARGS);
1.49      schwarze   93: static int       termp_an_pre(DECL_ARGS);
1.29      schwarze   94: static int       termp_ap_pre(DECL_ARGS);
                     95: static int       termp_aq_pre(DECL_ARGS);
                     96: static int       termp_bd_pre(DECL_ARGS);
                     97: static int       termp_bf_pre(DECL_ARGS);
1.54      schwarze   98: static int       termp_bold_pre(DECL_ARGS);
1.29      schwarze   99: static int       termp_bq_pre(DECL_ARGS);
                    100: static int       termp_brq_pre(DECL_ARGS);
                    101: static int       termp_bt_pre(DECL_ARGS);
                    102: static int       termp_cd_pre(DECL_ARGS);
                    103: static int       termp_d1_pre(DECL_ARGS);
                    104: static int       termp_dq_pre(DECL_ARGS);
                    105: static int       termp_ex_pre(DECL_ARGS);
                    106: static int       termp_fa_pre(DECL_ARGS);
                    107: static int       termp_fl_pre(DECL_ARGS);
                    108: static int       termp_fn_pre(DECL_ARGS);
                    109: static int       termp_fo_pre(DECL_ARGS);
                    110: static int       termp_ft_pre(DECL_ARGS);
                    111: static int       termp_in_pre(DECL_ARGS);
                    112: static int       termp_it_pre(DECL_ARGS);
1.65      schwarze  113: static int       termp_li_pre(DECL_ARGS);
1.29      schwarze  114: static int       termp_lk_pre(DECL_ARGS);
                    115: static int       termp_nd_pre(DECL_ARGS);
                    116: static int       termp_nm_pre(DECL_ARGS);
                    117: static int       termp_ns_pre(DECL_ARGS);
                    118: static int       termp_op_pre(DECL_ARGS);
                    119: static int       termp_pf_pre(DECL_ARGS);
                    120: static int       termp_pq_pre(DECL_ARGS);
                    121: static int       termp_qq_pre(DECL_ARGS);
                    122: static int       termp_rs_pre(DECL_ARGS);
                    123: static int       termp_rv_pre(DECL_ARGS);
                    124: static int       termp_sh_pre(DECL_ARGS);
                    125: static int       termp_sm_pre(DECL_ARGS);
1.38      schwarze  126: static int       termp_sp_pre(DECL_ARGS);
1.29      schwarze  127: static int       termp_sq_pre(DECL_ARGS);
                    128: static int       termp_ss_pre(DECL_ARGS);
1.54      schwarze  129: static int       termp_under_pre(DECL_ARGS);
1.29      schwarze  130: static int       termp_ud_pre(DECL_ARGS);
1.69      schwarze  131: static int       termp_vt_pre(DECL_ARGS);
1.29      schwarze  132: static int       termp_xr_pre(DECL_ARGS);
                    133: static int       termp_xx_pre(DECL_ARGS);
1.70      schwarze  134: static int       termp_eos_pre(DECL_ARGS);
1.1       kristaps  135:
1.54      schwarze  136: static const struct termact termacts[MDOC_MAX] = {
1.11      schwarze  137:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  138:        { NULL, NULL }, /* Dd */
                    139:        { NULL, NULL }, /* Dt */
                    140:        { NULL, NULL }, /* Os */
                    141:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    142:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.54      schwarze  143:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  144:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    145:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    146:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    147:        { NULL, NULL }, /* Ed */
                    148:        { NULL, termp_bl_post }, /* Bl */
                    149:        { NULL, NULL }, /* El */
                    150:        { termp_it_pre, termp_it_post }, /* It */
                    151:        { NULL, NULL }, /* Ad */
1.49      schwarze  152:        { termp_an_pre, termp_an_post }, /* An */
1.54      schwarze  153:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  154:        { termp_cd_pre, NULL }, /* Cd */
1.54      schwarze  155:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  156:        { NULL, NULL }, /* Dv */
                    157:        { NULL, NULL }, /* Er */
                    158:        { NULL, NULL }, /* Ev */
                    159:        { termp_ex_pre, NULL }, /* Ex */
                    160:        { termp_fa_pre, NULL }, /* Fa */
1.54      schwarze  161:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  162:        { termp_fl_pre, NULL }, /* Fl */
                    163:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    164:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.54      schwarze  165:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  166:        { termp_in_pre, termp_in_post }, /* In */
1.65      schwarze  167:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  168:        { termp_nd_pre, NULL }, /* Nd */
                    169:        { termp_nm_pre, NULL }, /* Nm */
                    170:        { termp_op_pre, termp_op_post }, /* Op */
                    171:        { NULL, NULL }, /* Ot */
1.54      schwarze  172:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  173:        { termp_rv_pre, NULL }, /* Rv */
1.32      schwarze  174:        { NULL, NULL }, /* St */
1.54      schwarze  175:        { termp_under_pre, NULL }, /* Va */
1.69      schwarze  176:        { termp_vt_pre, termp_vt_post }, /* Vt */
1.1       kristaps  177:        { termp_xr_pre, NULL }, /* Xr */
                    178:        { NULL, termp____post }, /* %A */
1.58      schwarze  179:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  180:        { NULL, termp____post }, /* %D */
1.58      schwarze  181:        { termp_under_pre, termp____post }, /* %I */
1.54      schwarze  182:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  183:        { NULL, termp____post }, /* %N */
                    184:        { NULL, termp____post }, /* %O */
                    185:        { NULL, termp____post }, /* %P */
                    186:        { NULL, termp____post }, /* %R */
1.58      schwarze  187:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  188:        { NULL, termp____post }, /* %V */
                    189:        { NULL, NULL }, /* Ac */
                    190:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    191:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.32      schwarze  192:        { NULL, NULL }, /* At */
1.1       kristaps  193:        { NULL, NULL }, /* Bc */
                    194:        { termp_bf_pre, NULL }, /* Bf */
                    195:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    196:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      schwarze  197:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  198:        { NULL, termp_bx_post }, /* Bx */
                    199:        { NULL, NULL }, /* Db */
                    200:        { NULL, NULL }, /* Dc */
                    201:        { termp_dq_pre, termp_dq_post }, /* Do */
                    202:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    203:        { NULL, NULL }, /* Ec */
                    204:        { NULL, NULL }, /* Ef */
1.54      schwarze  205:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  206:        { NULL, NULL }, /* Eo */
1.26      schwarze  207:        { termp_xx_pre, NULL }, /* Fx */
1.58      schwarze  208:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  209:        { NULL, NULL }, /* No */
                    210:        { termp_ns_pre, NULL }, /* Ns */
1.26      schwarze  211:        { termp_xx_pre, NULL }, /* Nx */
                    212:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  213:        { NULL, NULL }, /* Pc */
                    214:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    215:        { termp_pq_pre, termp_pq_post }, /* Po */
                    216:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    217:        { NULL, NULL }, /* Qc */
                    218:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    219:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    220:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    221:        { NULL, NULL }, /* Re */
                    222:        { termp_rs_pre, NULL }, /* Rs */
                    223:        { NULL, NULL }, /* Sc */
                    224:        { termp_sq_pre, termp_sq_post }, /* So */
                    225:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    226:        { termp_sm_pre, NULL }, /* Sm */
1.54      schwarze  227:        { termp_under_pre, NULL }, /* Sx */
                    228:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  229:        { NULL, NULL }, /* Tn */
1.26      schwarze  230:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  231:        { NULL, NULL }, /* Xc */
                    232:        { NULL, NULL }, /* Xo */
                    233:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    234:        { NULL, NULL }, /* Fc */
                    235:        { termp_op_pre, termp_op_post }, /* Oo */
                    236:        { NULL, NULL }, /* Oc */
                    237:        { NULL, NULL }, /* Bk */
                    238:        { NULL, NULL }, /* Ek */
                    239:        { termp_bt_pre, NULL }, /* Bt */
                    240:        { NULL, NULL }, /* Hf */
                    241:        { NULL, NULL }, /* Fr */
                    242:        { termp_ud_pre, NULL }, /* Ud */
1.32      schwarze  243:        { NULL, termp_lb_post }, /* Lb */
1.54      schwarze  244:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  245:        { termp_lk_pre, NULL }, /* Lk */
1.54      schwarze  246:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  247:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    248:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    249:        { NULL, NULL }, /* Brc */
1.58      schwarze  250:        { NULL, termp____post }, /* %C */
                    251:        { NULL, NULL }, /* Es */ /* TODO */
                    252:        { NULL, NULL }, /* En */ /* TODO */
1.26      schwarze  253:        { termp_xx_pre, NULL }, /* Dx */
1.58      schwarze  254:        { NULL, termp____post }, /* %Q */
1.54      schwarze  255:        { termp_sp_pre, NULL }, /* br */
1.38      schwarze  256:        { termp_sp_pre, NULL }, /* sp */
1.62      schwarze  257:        { termp_under_pre, termp____post }, /* %U */
1.70      schwarze  258:        { termp_eos_pre, NULL }, /* eos */
1.1       kristaps  259: };
                    260:
                    261:
1.55      schwarze  262: void
1.61      schwarze  263: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  264: {
1.55      schwarze  265:        const struct mdoc_node  *n;
                    266:        const struct mdoc_meta  *m;
1.61      schwarze  267:        struct termp            *p;
                    268:
                    269:        p = (struct termp *)arg;
1.71      schwarze  270:
                    271:        p->overstep = 0;
                    272:        p->maxrmargin = 78;
1.61      schwarze  273:
                    274:        if (NULL == p->symtab)
                    275:                switch (p->enc) {
                    276:                case (TERMENC_ASCII):
                    277:                        p->symtab = chars_init(CHARS_ASCII);
                    278:                        break;
                    279:                default:
                    280:                        abort();
                    281:                        /* NOTREACHED */
                    282:                }
1.55      schwarze  283:
                    284:        n = mdoc_node(mdoc);
                    285:        m = mdoc_meta(mdoc);
                    286:
1.65      schwarze  287:        print_mdoc_head(p, NULL, m, n);
1.55      schwarze  288:        if (n->child)
1.65      schwarze  289:                print_mdoc_nodelist(p, NULL, m, n->child);
1.55      schwarze  290:        print_foot(p, NULL, m, n);
1.1       kristaps  291: }
                    292:
                    293:
                    294: static void
1.65      schwarze  295: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  296: {
                    297:
1.65      schwarze  298:        print_mdoc_node(p, pair, m, n);
1.60      schwarze  299:        if (n->next)
1.65      schwarze  300:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  301: }
                    302:
                    303:
1.54      schwarze  304: /* ARGSUSED */
1.1       kristaps  305: static void
1.65      schwarze  306: print_mdoc_node(DECL_ARGS)
1.1       kristaps  307: {
1.65      schwarze  308:        int              chld;
                    309:        const void      *font;
1.1       kristaps  310:        struct termpair  npair;
1.28      schwarze  311:        size_t           offset, rmargin;
1.1       kristaps  312:
1.54      schwarze  313:        chld = 1;
1.28      schwarze  314:        offset = p->offset;
                    315:        rmargin = p->rmargin;
1.65      schwarze  316:        font = term_fontq(p);
1.1       kristaps  317:
1.63      schwarze  318:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  319:        npair.ppair = pair;
                    320:
1.60      schwarze  321:        if (MDOC_TEXT != n->type) {
                    322:                if (termacts[n->tok].pre)
                    323:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.54      schwarze  324:        } else
1.60      schwarze  325:                term_word(p, n->string);
1.65      schwarze  326:
1.60      schwarze  327:        if (chld && n->child)
1.65      schwarze  328:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  329:
1.65      schwarze  330:        term_fontpopq(p, font);
1.1       kristaps  331:
1.60      schwarze  332:        if (MDOC_TEXT != n->type)
                    333:                if (termacts[n->tok].post)
                    334:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.28      schwarze  335:
                    336:        p->offset = offset;
                    337:        p->rmargin = rmargin;
1.1       kristaps  338: }
                    339:
                    340:
1.55      schwarze  341: /* ARGSUSED */
1.1       kristaps  342: static void
1.55      schwarze  343: print_foot(DECL_ARGS)
1.1       kristaps  344: {
1.63      schwarze  345:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  346:
1.65      schwarze  347:        term_fontrepl(p, TERMFONT_NONE);
                    348:
1.7       schwarze  349:        /*
                    350:         * Output the footer in new-groff style, that is, three columns
                    351:         * with the middle being the manual date and flanking columns
                    352:         * being the operating system:
                    353:         *
                    354:         * SYSTEM                  DATE                    SYSTEM
                    355:         */
                    356:
1.62      schwarze  357:        time2a(m->date, buf, DATESIZ);
1.63      schwarze  358:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  359:
                    360:        term_vspace(p);
                    361:
1.7       schwarze  362:        p->offset = 0;
                    363:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  364:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    365:
                    366:        term_word(p, os);
                    367:        term_flushln(p);
                    368:
1.7       schwarze  369:        p->offset = p->rmargin;
                    370:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  371:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.7       schwarze  372:
                    373:        term_word(p, buf);
                    374:        term_flushln(p);
                    375:
1.1       kristaps  376:        p->offset = p->rmargin;
                    377:        p->rmargin = p->maxrmargin;
                    378:        p->flags &= ~TERMP_NOBREAK;
1.7       schwarze  379:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  380:
1.7       schwarze  381:        term_word(p, os);
1.1       kristaps  382:        term_flushln(p);
1.7       schwarze  383:
                    384:        p->offset = 0;
                    385:        p->rmargin = p->maxrmargin;
                    386:        p->flags = 0;
1.1       kristaps  387: }
                    388:
                    389:
1.55      schwarze  390: /* ARGSUSED */
1.1       kristaps  391: static void
1.65      schwarze  392: print_mdoc_head(DECL_ARGS)
1.1       kristaps  393: {
1.63      schwarze  394:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  395:
                    396:        p->rmargin = p->maxrmargin;
                    397:        p->offset = 0;
                    398:
                    399:        /*
                    400:         * The header is strange.  It has three components, which are
                    401:         * really two with the first duplicated.  It goes like this:
                    402:         *
                    403:         * IDENTIFIER              TITLE                   IDENTIFIER
                    404:         *
                    405:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    406:         * (if given, or "unknown" if not) followed by the manual page
                    407:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    408:         * string depending on the manual volume.  If not specified, it
                    409:         * switches on the manual section.
                    410:         */
                    411:
1.60      schwarze  412:        assert(m->vol);
1.63      schwarze  413:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  414:
1.60      schwarze  415:        if (m->arch) {
1.63      schwarze  416:                strlcat(buf, " (", BUFSIZ);
                    417:                strlcat(buf, m->arch, BUFSIZ);
                    418:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  419:        }
                    420:
1.63      schwarze  421:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  422:
                    423:        p->offset = 0;
1.8       schwarze  424:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  425:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    426:
                    427:        term_word(p, title);
                    428:        term_flushln(p);
                    429:
                    430:        p->offset = p->rmargin;
                    431:        p->rmargin = p->maxrmargin - strlen(title);
1.8       schwarze  432:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  433:
                    434:        term_word(p, buf);
                    435:        term_flushln(p);
                    436:
                    437:        p->offset = p->rmargin;
                    438:        p->rmargin = p->maxrmargin;
                    439:        p->flags &= ~TERMP_NOBREAK;
                    440:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    441:
                    442:        term_word(p, title);
                    443:        term_flushln(p);
                    444:
1.8       schwarze  445:        p->offset = 0;
1.1       kristaps  446:        p->rmargin = p->maxrmargin;
                    447:        p->flags &= ~TERMP_NOSPACE;
                    448: }
                    449:
                    450:
                    451: static size_t
1.62      schwarze  452: a2height(const struct mdoc_node *n)
1.1       kristaps  453: {
1.61      schwarze  454:        struct roffsu    su;
1.1       kristaps  455:
1.61      schwarze  456:        assert(MDOC_TEXT == n->type);
                    457:        assert(n->string);
                    458:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    459:                SCALE_VS_INIT(&su, strlen(n->string));
1.1       kristaps  460:
1.61      schwarze  461:        return(term_vspan(&su));
                    462: }
1.34      schwarze  463:
1.1       kristaps  464:
1.61      schwarze  465: static size_t
1.62      schwarze  466: a2width(const struct mdoc_argv *arg, int pos)
1.61      schwarze  467: {
                    468:        struct roffsu    su;
1.1       kristaps  469:
1.61      schwarze  470:        assert(arg->value[pos]);
                    471:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
                    472:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  473:
1.68      schwarze  474:        return(term_hspan(&su));
1.1       kristaps  475: }
                    476:
                    477:
                    478: static int
                    479: arg_listtype(const struct mdoc_node *n)
                    480: {
                    481:        int              i, len;
                    482:
                    483:        assert(MDOC_BLOCK == n->type);
                    484:
                    485:        len = (int)(n->args ? n->args->argc : 0);
                    486:
                    487:        for (i = 0; i < len; i++)
                    488:                switch (n->args->argv[i].arg) {
                    489:                case (MDOC_Bullet):
                    490:                        /* FALLTHROUGH */
                    491:                case (MDOC_Dash):
                    492:                        /* FALLTHROUGH */
                    493:                case (MDOC_Enum):
                    494:                        /* FALLTHROUGH */
                    495:                case (MDOC_Hyphen):
                    496:                        /* FALLTHROUGH */
                    497:                case (MDOC_Tag):
                    498:                        /* FALLTHROUGH */
                    499:                case (MDOC_Inset):
                    500:                        /* FALLTHROUGH */
                    501:                case (MDOC_Diag):
                    502:                        /* FALLTHROUGH */
                    503:                case (MDOC_Item):
                    504:                        /* FALLTHROUGH */
                    505:                case (MDOC_Column):
                    506:                        /* FALLTHROUGH */
1.33      schwarze  507:                case (MDOC_Hang):
                    508:                        /* FALLTHROUGH */
1.1       kristaps  509:                case (MDOC_Ohang):
                    510:                        return(n->args->argv[i].arg);
                    511:                default:
                    512:                        break;
                    513:                }
                    514:
1.33      schwarze  515:        return(-1);
1.1       kristaps  516: }
                    517:
                    518:
                    519: static size_t
1.62      schwarze  520: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  521: {
1.61      schwarze  522:        struct roffsu    su;
1.1       kristaps  523:
1.61      schwarze  524:        if ('\0' == arg->value[0][0])
                    525:                return(0);
                    526:        else if (0 == strcmp(arg->value[0], "left"))
1.9       schwarze  527:                return(0);
1.61      schwarze  528:        else if (0 == strcmp(arg->value[0], "indent"))
1.17      schwarze  529:                return(INDENT + 1);
1.61      schwarze  530:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      schwarze  531:                return((INDENT + 1) * 2);
1.61      schwarze  532:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    533:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      schwarze  534:
1.61      schwarze  535:        return(term_hspan(&su));
1.1       kristaps  536: }
                    537:
                    538:
1.68      schwarze  539: /*
                    540:  * Return 1 if an argument has a particular argument value or 0 if it
                    541:  * does not.  See arg_getattr().
                    542:  */
1.1       kristaps  543: static int
                    544: arg_hasattr(int arg, const struct mdoc_node *n)
                    545: {
                    546:
                    547:        return(-1 != arg_getattr(arg, n));
                    548: }
                    549:
                    550:
1.68      schwarze  551: /*
                    552:  * Get the index of an argument in a node's argument list or -1 if it
                    553:  * does not exist.  See arg_getattrs().
                    554:  */
1.1       kristaps  555: static int
                    556: arg_getattr(int v, const struct mdoc_node *n)
                    557: {
                    558:        int              val;
                    559:
                    560:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    561: }
                    562:
                    563:
1.68      schwarze  564: /*
                    565:  * Walk through the argument list for a node and fill an array "vals"
                    566:  * with the positions of the argument structures listed in "keys".
                    567:  * Return the number of elements that were written into "vals", which
                    568:  * can be zero.
                    569:  */
1.1       kristaps  570: static int
                    571: arg_getattrs(const int *keys, int *vals,
                    572:                size_t sz, const struct mdoc_node *n)
                    573: {
                    574:        int              i, j, k;
                    575:
                    576:        if (NULL == n->args)
                    577:                return(0);
                    578:
                    579:        for (k = i = 0; i < (int)n->args->argc; i++)
                    580:                for (j = 0; j < (int)sz; j++)
                    581:                        if (n->args->argv[i].arg == keys[j]) {
                    582:                                vals[j] = i;
                    583:                                k++;
                    584:                        }
                    585:        return(k);
                    586: }
                    587:
                    588:
1.68      schwarze  589: /*
                    590:  * Determine how much space to print out before block elements of `It'
                    591:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    592:  * too.
                    593:  */
1.45      schwarze  594: static void
1.61      schwarze  595: print_bvspace(struct termp *p,
1.1       kristaps  596:                const struct mdoc_node *bl,
1.60      schwarze  597:                const struct mdoc_node *n)
1.1       kristaps  598: {
1.60      schwarze  599:        const struct mdoc_node  *nn;
1.1       kristaps  600:
                    601:        term_newln(p);
1.60      schwarze  602:        if (arg_hasattr(MDOC_Compact, bl))
1.45      schwarze  603:                return;
                    604:
1.60      schwarze  605:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  606:
1.60      schwarze  607:        for (nn = n; nn; nn = nn->parent) {
                    608:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  609:                        continue;
1.60      schwarze  610:                if (MDOC_Ss == nn->tok)
1.45      schwarze  611:                        return;
1.60      schwarze  612:                if (MDOC_Sh == nn->tok)
1.45      schwarze  613:                        return;
1.60      schwarze  614:                if (NULL == nn->prev)
1.1       kristaps  615:                        continue;
                    616:                break;
                    617:        }
                    618:
1.60      schwarze  619:        /* A `-column' does not assert vspace within the list. */
1.45      schwarze  620:
                    621:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.60      schwarze  622:                if (n->prev && MDOC_It == n->prev->tok)
1.45      schwarze  623:                        return;
                    624:
1.60      schwarze  625:        /* A `-diag' without body does not vspace. */
                    626:
1.45      schwarze  627:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.60      schwarze  628:                if (n->prev && MDOC_It == n->prev->tok) {
                    629:                        assert(n->prev->body);
                    630:                        if (NULL == n->prev->body->child)
1.45      schwarze  631:                                return;
                    632:                }
                    633:
                    634:        term_vspace(p);
1.1       kristaps  635: }
                    636:
                    637:
                    638: /* ARGSUSED */
                    639: static int
                    640: termp_dq_pre(DECL_ARGS)
                    641: {
                    642:
1.60      schwarze  643:        if (MDOC_BODY != n->type)
1.1       kristaps  644:                return(1);
                    645:
                    646:        term_word(p, "\\(lq");
                    647:        p->flags |= TERMP_NOSPACE;
                    648:        return(1);
                    649: }
                    650:
                    651:
                    652: /* ARGSUSED */
                    653: static void
                    654: termp_dq_post(DECL_ARGS)
                    655: {
                    656:
1.60      schwarze  657:        if (MDOC_BODY != n->type)
1.1       kristaps  658:                return;
                    659:
                    660:        p->flags |= TERMP_NOSPACE;
                    661:        term_word(p, "\\(rq");
                    662: }
                    663:
                    664:
                    665: /* ARGSUSED */
                    666: static int
                    667: termp_it_pre(DECL_ARGS)
                    668: {
1.60      schwarze  669:        const struct mdoc_node *bl, *nn;
1.1       kristaps  670:        char                    buf[7];
1.28      schwarze  671:        int                     i, type, keys[3], vals[3];
1.68      schwarze  672:        size_t                  width, offset, ncols, dcol;
1.1       kristaps  673:
1.60      schwarze  674:        if (MDOC_BLOCK == n->type) {
1.61      schwarze  675:                print_bvspace(p, n->parent->parent, n);
1.45      schwarze  676:                return(1);
                    677:        }
1.1       kristaps  678:
1.60      schwarze  679:        bl = n->parent->parent->parent;
1.1       kristaps  680:
1.68      schwarze  681:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  682:
                    683:        keys[0] = MDOC_Width;
                    684:        keys[1] = MDOC_Offset;
                    685:        keys[2] = MDOC_Column;
                    686:
                    687:        vals[0] = vals[1] = vals[2] = -1;
                    688:
1.68      schwarze  689:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  690:
                    691:        type = arg_listtype(bl);
1.33      schwarze  692:        assert(-1 != type);
1.1       kristaps  693:
1.68      schwarze  694:        /*
                    695:         * First calculate width and offset.  This is pretty easy unless
                    696:         * we're a -column list, in which case all prior columns must
                    697:         * be accounted for.
                    698:         */
                    699:
                    700:        width = offset = 0;
                    701:
1.66      schwarze  702:        if (vals[1] >= 0)
                    703:                offset = a2offs(&bl->args->argv[vals[1]]);
                    704:
1.1       kristaps  705:        switch (type) {
                    706:        case (MDOC_Column):
1.60      schwarze  707:                if (MDOC_BODY == n->type)
1.1       kristaps  708:                        break;
1.66      schwarze  709:                /*
1.68      schwarze  710:                 * Imitate groff's column handling:
                    711:                 * - For each earlier column, add its width.
                    712:                 * - For less than 5 columns, add four more blanks per
                    713:                 *   column.
                    714:                 * - For exactly 5 columns, add three more blank per
                    715:                 *   column.
                    716:                 * - For more than 5 columns, add only one column.
1.66      schwarze  717:                 */
                    718:                ncols = bl->args->argv[vals[2]].sz;
1.68      schwarze  719:                /* LINTED */
                    720:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    721:
                    722:                for (i = 0, nn = n->prev;
                    723:                                nn && i < (int)ncols;
                    724:                                nn = nn->prev, i++)
                    725:                        offset += dcol + a2width
                    726:                                (&bl->args->argv[vals[2]], i);
                    727:
1.66      schwarze  728:
                    729:                /*
1.68      schwarze  730:                 * When exceeding the declared number of columns, leave
                    731:                 * the remaining widths at 0.  This will later be
                    732:                 * adjusted to the default width of 10, or, for the last
                    733:                 * column, stretched to the right margin.
1.46      schwarze  734:                 */
1.68      schwarze  735:                if (i >= (int)ncols)
                    736:                        break;
1.46      schwarze  737:
1.66      schwarze  738:                /*
1.68      schwarze  739:                 * Use the declared column widths, extended as explained
                    740:                 * in the preceding paragraph.
1.66      schwarze  741:                 */
1.68      schwarze  742:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  743:                break;
                    744:        default:
1.68      schwarze  745:                if (vals[0] < 0)
                    746:                        break;
                    747:
                    748:                /*
                    749:                 * Note: buffer the width by 2, which is groff's magic
                    750:                 * number for buffering single arguments.  See the above
                    751:                 * handling for column for how this changes.
                    752:                 */
                    753:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  754:                break;
                    755:        }
                    756:
                    757:        /*
                    758:         * List-type can override the width in the case of fixed-head
                    759:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.53      schwarze  760:         * offset.
1.1       kristaps  761:         */
                    762:
                    763:        switch (type) {
                    764:        case (MDOC_Bullet):
                    765:                /* FALLTHROUGH */
                    766:        case (MDOC_Dash):
                    767:                /* FALLTHROUGH */
                    768:        case (MDOC_Hyphen):
                    769:                if (width < 4)
                    770:                        width = 4;
1.19      schwarze  771:                break;
                    772:        case (MDOC_Enum):
                    773:                if (width < 5)
                    774:                        width = 5;
1.1       kristaps  775:                break;
1.33      schwarze  776:        case (MDOC_Hang):
                    777:                if (0 == width)
                    778:                        width = 8;
                    779:                break;
1.41      schwarze  780:        case (MDOC_Column):
                    781:                /* FALLTHROUGH */
1.1       kristaps  782:        case (MDOC_Tag):
                    783:                if (0 == width)
                    784:                        width = 10;
                    785:                break;
                    786:        default:
                    787:                break;
                    788:        }
                    789:
                    790:        /*
1.16      schwarze  791:         * Whitespace control.  Inset bodies need an initial space,
                    792:         * while diagonal bodies need two.
1.1       kristaps  793:         */
                    794:
1.42      schwarze  795:        p->flags |= TERMP_NOSPACE;
                    796:
1.1       kristaps  797:        switch (type) {
1.42      schwarze  798:        case (MDOC_Diag):
1.60      schwarze  799:                if (MDOC_BODY == n->type)
1.48      schwarze  800:                        term_word(p, "\\ \\ ");
1.42      schwarze  801:                break;
1.1       kristaps  802:        case (MDOC_Inset):
1.60      schwarze  803:                if (MDOC_BODY == n->type)
1.42      schwarze  804:                        term_word(p, "\\ ");
1.1       kristaps  805:                break;
                    806:        default:
                    807:                break;
                    808:        }
                    809:
1.42      schwarze  810:        p->flags |= TERMP_NOSPACE;
                    811:
1.1       kristaps  812:        switch (type) {
                    813:        case (MDOC_Diag):
1.60      schwarze  814:                if (MDOC_HEAD == n->type)
1.65      schwarze  815:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  816:                break;
                    817:        default:
                    818:                break;
                    819:        }
                    820:
                    821:        /*
1.68      schwarze  822:         * Pad and break control.  This is the tricky part.  These flags
                    823:         * are documented in term_flushln() in term.c.  Note that we're
                    824:         * going to unset all of these flags in termp_it_post() when we
                    825:         * exit.
1.1       kristaps  826:         */
                    827:
                    828:        switch (type) {
                    829:        case (MDOC_Bullet):
                    830:                /* FALLTHROUGH */
                    831:        case (MDOC_Dash):
                    832:                /* FALLTHROUGH */
                    833:        case (MDOC_Enum):
                    834:                /* FALLTHROUGH */
                    835:        case (MDOC_Hyphen):
1.60      schwarze  836:                if (MDOC_HEAD == n->type)
1.33      schwarze  837:                        p->flags |= TERMP_NOBREAK;
                    838:                else
                    839:                        p->flags |= TERMP_NOLPAD;
                    840:                break;
                    841:        case (MDOC_Hang):
1.60      schwarze  842:                if (MDOC_HEAD == n->type)
1.33      schwarze  843:                        p->flags |= TERMP_NOBREAK;
                    844:                else
                    845:                        p->flags |= TERMP_NOLPAD;
                    846:
1.60      schwarze  847:                if (MDOC_HEAD != n->type)
1.47      schwarze  848:                        break;
                    849:
                    850:                /*
                    851:                 * This is ugly.  If `-hang' is specified and the body
                    852:                 * is a `Bl' or `Bd', then we want basically to nullify
                    853:                 * the "overstep" effect in term_flushln() and treat
                    854:                 * this as a `-ohang' list instead.
                    855:                 */
1.60      schwarze  856:                if (n->next->child &&
                    857:                                (MDOC_Bl == n->next->child->tok ||
                    858:                                 MDOC_Bd == n->next->child->tok)) {
1.47      schwarze  859:                        p->flags &= ~TERMP_NOBREAK;
                    860:                        p->flags &= ~TERMP_NOLPAD;
                    861:                } else
1.33      schwarze  862:                        p->flags |= TERMP_HANG;
                    863:                break;
1.1       kristaps  864:        case (MDOC_Tag):
1.60      schwarze  865:                if (MDOC_HEAD == n->type)
1.42      schwarze  866:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  867:                else
                    868:                        p->flags |= TERMP_NOLPAD;
1.33      schwarze  869:
1.60      schwarze  870:                if (MDOC_HEAD != n->type)
1.33      schwarze  871:                        break;
1.60      schwarze  872:                if (NULL == n->next || NULL == n->next->child)
1.33      schwarze  873:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  874:                break;
                    875:        case (MDOC_Column):
1.60      schwarze  876:                if (MDOC_HEAD == n->type) {
                    877:                        assert(n->next);
                    878:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  879:                                p->flags &= ~TERMP_NOBREAK;
                    880:                        else
                    881:                                p->flags |= TERMP_NOBREAK;
1.60      schwarze  882:                        if (n->prev)
1.1       kristaps  883:                                p->flags |= TERMP_NOLPAD;
                    884:                }
                    885:                break;
                    886:        case (MDOC_Diag):
1.60      schwarze  887:                if (MDOC_HEAD == n->type)
1.1       kristaps  888:                        p->flags |= TERMP_NOBREAK;
                    889:                break;
                    890:        default:
                    891:                break;
                    892:        }
                    893:
                    894:        /*
                    895:         * Margin control.  Set-head-width lists have their right
                    896:         * margins shortened.  The body for these lists has the offset
                    897:         * necessarily lengthened.  Everybody gets the offset.
                    898:         */
                    899:
                    900:        p->offset += offset;
                    901:
                    902:        switch (type) {
1.47      schwarze  903:        case (MDOC_Hang):
                    904:                /*
                    905:                 * Same stipulation as above, regarding `-hang'.  We
                    906:                 * don't want to recalculate rmargin and offsets when
                    907:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    908:                 */
1.60      schwarze  909:                if (MDOC_HEAD == n->type && n->next->child &&
                    910:                                (MDOC_Bl == n->next->child->tok ||
                    911:                                 MDOC_Bd == n->next->child->tok))
1.47      schwarze  912:                        break;
                    913:                /* FALLTHROUGH */
1.1       kristaps  914:        case (MDOC_Bullet):
                    915:                /* FALLTHROUGH */
                    916:        case (MDOC_Dash):
                    917:                /* FALLTHROUGH */
                    918:        case (MDOC_Enum):
                    919:                /* FALLTHROUGH */
                    920:        case (MDOC_Hyphen):
1.33      schwarze  921:                /* FALLTHROUGH */
1.1       kristaps  922:        case (MDOC_Tag):
1.41      schwarze  923:                assert(width);
1.60      schwarze  924:                if (MDOC_HEAD == n->type)
1.1       kristaps  925:                        p->rmargin = p->offset + width;
                    926:                else
                    927:                        p->offset += width;
                    928:                break;
                    929:        case (MDOC_Column):
1.41      schwarze  930:                assert(width);
1.1       kristaps  931:                p->rmargin = p->offset + width;
1.43      schwarze  932:                /*
                    933:                 * XXX - this behaviour is not documented: the
                    934:                 * right-most column is filled to the right margin.
                    935:                 */
1.60      schwarze  936:                if (MDOC_HEAD == n->type &&
1.66      schwarze  937:                                MDOC_BODY == n->next->type &&
                    938:                                p->rmargin < p->maxrmargin)
1.43      schwarze  939:                        p->rmargin = p->maxrmargin;
1.1       kristaps  940:                break;
                    941:        default:
                    942:                break;
                    943:        }
                    944:
                    945:        /*
                    946:         * The dash, hyphen, bullet and enum lists all have a special
1.12      schwarze  947:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  948:         */
                    949:
1.60      schwarze  950:        if (MDOC_HEAD == n->type)
1.1       kristaps  951:                switch (type) {
                    952:                case (MDOC_Bullet):
1.65      schwarze  953:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  954:                        term_word(p, "\\[bu]");
1.65      schwarze  955:                        term_fontpop(p);
1.1       kristaps  956:                        break;
                    957:                case (MDOC_Dash):
                    958:                        /* FALLTHROUGH */
                    959:                case (MDOC_Hyphen):
1.65      schwarze  960:                        term_fontpush(p, TERMFONT_BOLD);
1.35      schwarze  961:                        term_word(p, "\\(hy");
1.65      schwarze  962:                        term_fontpop(p);
1.1       kristaps  963:                        break;
                    964:                case (MDOC_Enum):
                    965:                        (pair->ppair->ppair->count)++;
1.68      schwarze  966:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  967:                                        pair->ppair->ppair->count);
                    968:                        term_word(p, buf);
                    969:                        break;
                    970:                default:
                    971:                        break;
                    972:                }
1.12      schwarze  973:
1.1       kristaps  974:        /*
                    975:         * If we're not going to process our children, indicate so here.
                    976:         */
                    977:
                    978:        switch (type) {
                    979:        case (MDOC_Bullet):
                    980:                /* FALLTHROUGH */
                    981:        case (MDOC_Item):
                    982:                /* FALLTHROUGH */
                    983:        case (MDOC_Dash):
                    984:                /* FALLTHROUGH */
                    985:        case (MDOC_Hyphen):
                    986:                /* FALLTHROUGH */
                    987:        case (MDOC_Enum):
1.60      schwarze  988:                if (MDOC_HEAD == n->type)
1.1       kristaps  989:                        return(0);
                    990:                break;
                    991:        case (MDOC_Column):
1.60      schwarze  992:                if (MDOC_BODY == n->type)
1.1       kristaps  993:                        return(0);
                    994:                break;
                    995:        default:
                    996:                break;
                    997:        }
                    998:
                    999:        return(1);
                   1000: }
                   1001:
                   1002:
                   1003: /* ARGSUSED */
                   1004: static void
                   1005: termp_it_post(DECL_ARGS)
                   1006: {
                   1007:        int                type;
                   1008:
1.68      schwarze 1009:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1010:                return;
                   1011:
1.60      schwarze 1012:        type = arg_listtype(n->parent->parent->parent);
1.33      schwarze 1013:        assert(-1 != type);
1.1       kristaps 1014:
                   1015:        switch (type) {
1.44      schwarze 1016:        case (MDOC_Item):
                   1017:                /* FALLTHROUGH */
1.1       kristaps 1018:        case (MDOC_Diag):
                   1019:                /* FALLTHROUGH */
                   1020:        case (MDOC_Inset):
1.60      schwarze 1021:                if (MDOC_BODY == n->type)
1.1       kristaps 1022:                        term_flushln(p);
                   1023:                break;
                   1024:        case (MDOC_Column):
1.60      schwarze 1025:                if (MDOC_HEAD == n->type)
1.1       kristaps 1026:                        term_flushln(p);
                   1027:                break;
                   1028:        default:
                   1029:                term_flushln(p);
                   1030:                break;
                   1031:        }
                   1032:
1.68      schwarze 1033:        /*
                   1034:         * Now that our output is flushed, we can reset our tags.  Since
                   1035:         * only `It' sets these flags, we're free to assume that nobody
                   1036:         * has munged them in the meanwhile.
                   1037:         */
                   1038:
                   1039:        p->flags &= ~TERMP_DANGLE;
                   1040:        p->flags &= ~TERMP_NOBREAK;
                   1041:        p->flags &= ~TERMP_TWOSPACE;
                   1042:        p->flags &= ~TERMP_NOLPAD;
                   1043:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1044: }
                   1045:
                   1046:
                   1047: /* ARGSUSED */
                   1048: static int
                   1049: termp_nm_pre(DECL_ARGS)
                   1050: {
                   1051:
1.60      schwarze 1052:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1053:                term_newln(p);
1.65      schwarze 1054:
                   1055:        term_fontpush(p, TERMFONT_BOLD);
                   1056:
1.60      schwarze 1057:        if (NULL == n->child)
                   1058:                term_word(p, m->name);
1.1       kristaps 1059:        return(1);
                   1060: }
                   1061:
                   1062:
                   1063: /* ARGSUSED */
                   1064: static int
                   1065: termp_fl_pre(DECL_ARGS)
                   1066: {
                   1067:
1.65      schwarze 1068:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1069:        term_word(p, "\\-");
1.67      schwarze 1070:
                   1071:        /* A blank `Fl' should incur a subsequent space. */
                   1072:
                   1073:        if (n->child)
                   1074:                p->flags |= TERMP_NOSPACE;
                   1075:
1.1       kristaps 1076:        return(1);
1.49      schwarze 1077: }
                   1078:
                   1079:
                   1080: /* ARGSUSED */
                   1081: static int
                   1082: termp_an_pre(DECL_ARGS)
                   1083: {
                   1084:
1.60      schwarze 1085:        if (NULL == n->child)
1.49      schwarze 1086:                return(1);
                   1087:
                   1088:        /*
1.60      schwarze 1089:         * If not in the AUTHORS section, `An -split' will cause
                   1090:         * newlines to occur before the author name.  If in the AUTHORS
                   1091:         * section, by default, the first `An' invocation is nosplit,
                   1092:         * then all subsequent ones, regardless of whether interspersed
                   1093:         * with other macros/text, are split.  -split, in this case,
                   1094:         * will override the condition of the implied first -nosplit.
1.49      schwarze 1095:         */
                   1096:
1.60      schwarze 1097:        if (n->sec == SEC_AUTHORS) {
1.49      schwarze 1098:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1099:                        if (TERMP_SPLIT & p->flags)
                   1100:                                term_newln(p);
                   1101:                        return(1);
                   1102:                }
                   1103:                if (TERMP_NOSPLIT & p->flags)
                   1104:                        return(1);
                   1105:                term_newln(p);
                   1106:                return(1);
                   1107:        }
                   1108:
                   1109:        if (TERMP_SPLIT & p->flags)
                   1110:                term_newln(p);
                   1111:
                   1112:        return(1);
                   1113: }
                   1114:
                   1115:
                   1116: /* ARGSUSED */
                   1117: static void
                   1118: termp_an_post(DECL_ARGS)
                   1119: {
                   1120:
1.60      schwarze 1121:        if (n->child) {
                   1122:                if (SEC_AUTHORS == n->sec)
1.49      schwarze 1123:                        p->flags |= TERMP_ANPREC;
                   1124:                return;
                   1125:        }
                   1126:
1.60      schwarze 1127:        if (arg_getattr(MDOC_Split, n) > -1) {
1.49      schwarze 1128:                p->flags &= ~TERMP_NOSPLIT;
                   1129:                p->flags |= TERMP_SPLIT;
                   1130:        } else {
                   1131:                p->flags &= ~TERMP_SPLIT;
                   1132:                p->flags |= TERMP_NOSPLIT;
                   1133:        }
                   1134:
1.1       kristaps 1135: }
                   1136:
                   1137:
                   1138: /* ARGSUSED */
                   1139: static int
                   1140: termp_ns_pre(DECL_ARGS)
                   1141: {
                   1142:
                   1143:        p->flags |= TERMP_NOSPACE;
                   1144:        return(1);
                   1145: }
                   1146:
                   1147:
                   1148: /* ARGSUSED */
                   1149: static int
                   1150: termp_rs_pre(DECL_ARGS)
                   1151: {
                   1152:
1.60      schwarze 1153:        if (SEC_SEE_ALSO != n->sec)
1.57      schwarze 1154:                return(1);
1.60      schwarze 1155:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1156:                term_vspace(p);
                   1157:        return(1);
                   1158: }
                   1159:
                   1160:
                   1161: /* ARGSUSED */
                   1162: static int
                   1163: termp_rv_pre(DECL_ARGS)
                   1164: {
1.53      schwarze 1165:        const struct mdoc_node  *nn;
1.1       kristaps 1166:
                   1167:        term_newln(p);
                   1168:        term_word(p, "The");
                   1169:
1.60      schwarze 1170:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1171:                term_fontpush(p, TERMFONT_BOLD);
1.53      schwarze 1172:                term_word(p, nn->string);
1.65      schwarze 1173:                term_fontpop(p);
1.53      schwarze 1174:                p->flags |= TERMP_NOSPACE;
                   1175:                if (nn->next && NULL == nn->next->next)
                   1176:                        term_word(p, "(), and");
                   1177:                else if (nn->next)
                   1178:                        term_word(p, "(),");
                   1179:                else
                   1180:                        term_word(p, "()");
                   1181:        }
                   1182:
1.60      schwarze 1183:        if (n->child->next)
1.53      schwarze 1184:                term_word(p, "functions return");
                   1185:        else
                   1186:                term_word(p, "function returns");
1.1       kristaps 1187:
1.53      schwarze 1188:                term_word(p, "the value 0 if successful; otherwise the value "
                   1189:                        "-1 is returned and the global variable");
1.1       kristaps 1190:
1.65      schwarze 1191:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1192:        term_word(p, "errno");
1.65      schwarze 1193:        term_fontpop(p);
1.1       kristaps 1194:
                   1195:                term_word(p, "is set to indicate the error.");
                   1196:
1.53      schwarze 1197:        return(0);
1.1       kristaps 1198: }
                   1199:
                   1200:
                   1201: /* ARGSUSED */
                   1202: static int
                   1203: termp_ex_pre(DECL_ARGS)
                   1204: {
1.53      schwarze 1205:        const struct mdoc_node  *nn;
1.1       kristaps 1206:
1.53      schwarze 1207:        term_word(p, "The");
1.1       kristaps 1208:
1.60      schwarze 1209:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1210:                term_fontpush(p, TERMFONT_BOLD);
1.53      schwarze 1211:                term_word(p, nn->string);
1.65      schwarze 1212:                term_fontpop(p);
1.53      schwarze 1213:                p->flags |= TERMP_NOSPACE;
                   1214:                if (nn->next && NULL == nn->next->next)
                   1215:                        term_word(p, ", and");
                   1216:                else if (nn->next)
                   1217:                        term_word(p, ",");
                   1218:                else
                   1219:                        p->flags &= ~TERMP_NOSPACE;
                   1220:        }
                   1221:
1.60      schwarze 1222:        if (n->child->next)
1.53      schwarze 1223:                term_word(p, "utilities exit");
                   1224:        else
                   1225:                term_word(p, "utility exits");
                   1226:
                   1227:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1228:
1.53      schwarze 1229:        return(0);
1.1       kristaps 1230: }
                   1231:
                   1232:
                   1233: /* ARGSUSED */
                   1234: static int
                   1235: termp_nd_pre(DECL_ARGS)
                   1236: {
1.25      schwarze 1237:
1.60      schwarze 1238:        if (MDOC_BODY != n->type)
1.25      schwarze 1239:                return(1);
                   1240:
                   1241: #if defined(__OpenBSD__) || defined(__linux__)
                   1242:        term_word(p, "\\(en");
1.24      schwarze 1243: #else
                   1244:        term_word(p, "\\(em");
                   1245: #endif
1.1       kristaps 1246:        return(1);
                   1247: }
                   1248:
                   1249:
                   1250: /* ARGSUSED */
                   1251: static void
                   1252: termp_bl_post(DECL_ARGS)
                   1253: {
                   1254:
1.60      schwarze 1255:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1256:                term_newln(p);
                   1257: }
                   1258:
                   1259:
                   1260: /* ARGSUSED */
                   1261: static void
                   1262: termp_op_post(DECL_ARGS)
                   1263: {
                   1264:
1.60      schwarze 1265:        if (MDOC_BODY != n->type)
1.1       kristaps 1266:                return;
                   1267:        p->flags |= TERMP_NOSPACE;
                   1268:        term_word(p, "\\(rB");
                   1269: }
                   1270:
                   1271:
                   1272: /* ARGSUSED */
                   1273: static int
                   1274: termp_xr_pre(DECL_ARGS)
                   1275: {
1.60      schwarze 1276:        const struct mdoc_node *nn;
1.1       kristaps 1277:
1.72    ! schwarze 1278:        if (NULL == n->child)
        !          1279:                return(0);
        !          1280:
        !          1281:        assert(MDOC_TEXT == n->child->type);
1.60      schwarze 1282:        nn = n->child;
1.10      schwarze 1283:
1.60      schwarze 1284:        term_word(p, nn->string);
                   1285:        if (NULL == (nn = nn->next))
1.1       kristaps 1286:                return(0);
                   1287:        p->flags |= TERMP_NOSPACE;
                   1288:        term_word(p, "(");
                   1289:        p->flags |= TERMP_NOSPACE;
1.60      schwarze 1290:        term_word(p, nn->string);
1.1       kristaps 1291:        p->flags |= TERMP_NOSPACE;
                   1292:        term_word(p, ")");
1.60      schwarze 1293:
1.1       kristaps 1294:        return(0);
                   1295: }
                   1296:
                   1297:
1.69      schwarze 1298: static int
                   1299: termp_vt_pre(DECL_ARGS)
                   1300: {
                   1301:
                   1302:        if (MDOC_ELEM == n->type)
                   1303:                return(termp_under_pre(p, pair, m, n));
                   1304:        else if (MDOC_HEAD == n->type)
                   1305:                return(0);
                   1306:        else if (MDOC_BLOCK == n->type)
                   1307:                return(1);
                   1308:
                   1309:        return(termp_under_pre(p, pair, m, n));
                   1310: }
                   1311:
                   1312:
1.1       kristaps 1313: /* ARGSUSED */
                   1314: static void
                   1315: termp_vt_post(DECL_ARGS)
                   1316: {
                   1317:
1.69      schwarze 1318:        if (MDOC_BLOCK != n->type)
1.30      schwarze 1319:                return;
1.60      schwarze 1320:        if (n->next && MDOC_Vt == n->next->tok)
1.30      schwarze 1321:                term_newln(p);
1.60      schwarze 1322:        else if (n->next)
1.1       kristaps 1323:                term_vspace(p);
                   1324: }
                   1325:
                   1326:
                   1327: /* ARGSUSED */
                   1328: static int
1.54      schwarze 1329: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1330: {
                   1331:
1.65      schwarze 1332:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1333:        return(1);
                   1334: }
                   1335:
                   1336:
                   1337: /* ARGSUSED */
                   1338: static void
                   1339: termp_fd_post(DECL_ARGS)
                   1340: {
                   1341:
1.60      schwarze 1342:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1343:                return;
1.27      schwarze 1344:
1.1       kristaps 1345:        term_newln(p);
1.60      schwarze 1346:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1347:                term_vspace(p);
                   1348: }
                   1349:
                   1350:
                   1351: /* ARGSUSED */
                   1352: static int
                   1353: termp_sh_pre(DECL_ARGS)
                   1354: {
1.60      schwarze 1355:
                   1356:        /* No vspace between consecutive `Sh' calls. */
                   1357:
                   1358:        switch (n->type) {
1.52      schwarze 1359:        case (MDOC_BLOCK):
1.60      schwarze 1360:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1361:                        if (NULL == n->prev->body->child)
1.52      schwarze 1362:                                break;
                   1363:                term_vspace(p);
                   1364:                break;
1.1       kristaps 1365:        case (MDOC_HEAD):
1.65      schwarze 1366:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1367:                break;
                   1368:        case (MDOC_BODY):
                   1369:                p->offset = INDENT;
                   1370:                break;
                   1371:        default:
                   1372:                break;
                   1373:        }
                   1374:        return(1);
                   1375: }
                   1376:
                   1377:
                   1378: /* ARGSUSED */
                   1379: static void
                   1380: termp_sh_post(DECL_ARGS)
                   1381: {
                   1382:
1.60      schwarze 1383:        switch (n->type) {
1.1       kristaps 1384:        case (MDOC_HEAD):
                   1385:                term_newln(p);
                   1386:                break;
                   1387:        case (MDOC_BODY):
                   1388:                term_newln(p);
                   1389:                p->offset = 0;
                   1390:                break;
                   1391:        default:
                   1392:                break;
                   1393:        }
                   1394: }
                   1395:
                   1396:
                   1397: /* ARGSUSED */
                   1398: static int
                   1399: termp_op_pre(DECL_ARGS)
                   1400: {
                   1401:
1.60      schwarze 1402:        switch (n->type) {
1.1       kristaps 1403:        case (MDOC_BODY):
                   1404:                term_word(p, "\\(lB");
                   1405:                p->flags |= TERMP_NOSPACE;
                   1406:                break;
                   1407:        default:
                   1408:                break;
                   1409:        }
                   1410:        return(1);
                   1411: }
                   1412:
                   1413:
                   1414: /* ARGSUSED */
                   1415: static int
                   1416: termp_bt_pre(DECL_ARGS)
                   1417: {
                   1418:
                   1419:        term_word(p, "is currently in beta test.");
1.59      schwarze 1420:        return(0);
1.1       kristaps 1421: }
                   1422:
                   1423:
                   1424: /* ARGSUSED */
                   1425: static void
                   1426: termp_lb_post(DECL_ARGS)
                   1427: {
                   1428:
1.60      schwarze 1429:        if (SEC_LIBRARY == n->sec)
1.57      schwarze 1430:                term_newln(p);
1.1       kristaps 1431: }
                   1432:
                   1433:
                   1434: /* ARGSUSED */
                   1435: static int
                   1436: termp_ud_pre(DECL_ARGS)
                   1437: {
                   1438:
                   1439:        term_word(p, "currently under development.");
1.60      schwarze 1440:        return(0);
1.1       kristaps 1441: }
                   1442:
                   1443:
                   1444: /* ARGSUSED */
                   1445: static int
                   1446: termp_d1_pre(DECL_ARGS)
                   1447: {
                   1448:
1.60      schwarze 1449:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1450:                return(1);
                   1451:        term_newln(p);
1.28      schwarze 1452:        p->offset += (INDENT + 1);
1.1       kristaps 1453:        return(1);
                   1454: }
                   1455:
                   1456:
                   1457: /* ARGSUSED */
                   1458: static void
                   1459: termp_d1_post(DECL_ARGS)
                   1460: {
                   1461:
1.60      schwarze 1462:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1463:                return;
                   1464:        term_newln(p);
                   1465: }
                   1466:
                   1467:
                   1468: /* ARGSUSED */
                   1469: static int
                   1470: termp_aq_pre(DECL_ARGS)
                   1471: {
                   1472:
1.60      schwarze 1473:        if (MDOC_BODY != n->type)
1.1       kristaps 1474:                return(1);
                   1475:        term_word(p, "\\(la");
                   1476:        p->flags |= TERMP_NOSPACE;
                   1477:        return(1);
                   1478: }
                   1479:
                   1480:
                   1481: /* ARGSUSED */
                   1482: static void
                   1483: termp_aq_post(DECL_ARGS)
                   1484: {
                   1485:
1.60      schwarze 1486:        if (MDOC_BODY != n->type)
1.1       kristaps 1487:                return;
                   1488:        p->flags |= TERMP_NOSPACE;
                   1489:        term_word(p, "\\(ra");
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static int
                   1495: termp_ft_pre(DECL_ARGS)
                   1496: {
                   1497:
1.60      schwarze 1498:        if (SEC_SYNOPSIS == n->sec)
                   1499:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1500:                        term_vspace(p);
1.65      schwarze 1501:
                   1502:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1503:        return(1);
                   1504: }
                   1505:
                   1506:
                   1507: /* ARGSUSED */
                   1508: static void
                   1509: termp_ft_post(DECL_ARGS)
                   1510: {
                   1511:
1.60      schwarze 1512:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1513:                term_newln(p);
                   1514: }
                   1515:
                   1516:
                   1517: /* ARGSUSED */
                   1518: static int
                   1519: termp_fn_pre(DECL_ARGS)
                   1520: {
1.60      schwarze 1521:        const struct mdoc_node  *nn;
1.1       kristaps 1522:
1.65      schwarze 1523:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1524:        term_word(p, n->child->string);
1.65      schwarze 1525:        term_fontpop(p);
1.1       kristaps 1526:
                   1527:        p->flags |= TERMP_NOSPACE;
                   1528:        term_word(p, "(");
                   1529:
1.60      schwarze 1530:        for (nn = n->child->next; nn; nn = nn->next) {
1.65      schwarze 1531:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 1532:                term_word(p, nn->string);
1.65      schwarze 1533:                term_fontpop(p);
                   1534:
1.60      schwarze 1535:                if (nn->next)
1.1       kristaps 1536:                        term_word(p, ",");
                   1537:        }
                   1538:
                   1539:        term_word(p, ")");
                   1540:
1.60      schwarze 1541:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1542:                term_word(p, ";");
                   1543:
                   1544:        return(0);
                   1545: }
                   1546:
                   1547:
                   1548: /* ARGSUSED */
                   1549: static void
                   1550: termp_fn_post(DECL_ARGS)
                   1551: {
                   1552:
1.60      schwarze 1553:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1554:                term_vspace(p);
                   1555: }
                   1556:
                   1557:
                   1558: /* ARGSUSED */
                   1559: static int
                   1560: termp_fa_pre(DECL_ARGS)
                   1561: {
1.60      schwarze 1562:        const struct mdoc_node  *nn;
1.1       kristaps 1563:
1.60      schwarze 1564:        if (n->parent->tok != MDOC_Fo) {
1.65      schwarze 1565:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1566:                return(1);
                   1567:        }
                   1568:
1.60      schwarze 1569:        for (nn = n->child; nn; nn = nn->next) {
1.65      schwarze 1570:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 1571:                term_word(p, nn->string);
1.65      schwarze 1572:                term_fontpop(p);
                   1573:
1.60      schwarze 1574:                if (nn->next)
1.1       kristaps 1575:                        term_word(p, ",");
                   1576:        }
                   1577:
1.60      schwarze 1578:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1579:                term_word(p, ",");
                   1580:
                   1581:        return(0);
                   1582: }
                   1583:
                   1584:
                   1585: /* ARGSUSED */
                   1586: static int
                   1587: termp_bd_pre(DECL_ARGS)
                   1588: {
1.60      schwarze 1589:        int                      i, type;
                   1590:        const struct mdoc_node  *nn;
1.1       kristaps 1591:
1.60      schwarze 1592:        if (MDOC_BLOCK == n->type) {
1.61      schwarze 1593:                print_bvspace(p, n, n);
1.45      schwarze 1594:                return(1);
1.60      schwarze 1595:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1596:                return(1);
                   1597:
1.60      schwarze 1598:        nn = n->parent;
1.1       kristaps 1599:
1.60      schwarze 1600:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1601:                switch (nn->args->argv[i].arg) {
1.61      schwarze 1602:                case (MDOC_Centred):
                   1603:                        /* FALLTHROUGH */
1.1       kristaps 1604:                case (MDOC_Ragged):
                   1605:                        /* FALLTHROUGH */
                   1606:                case (MDOC_Filled):
                   1607:                        /* FALLTHROUGH */
                   1608:                case (MDOC_Unfilled):
                   1609:                        /* FALLTHROUGH */
                   1610:                case (MDOC_Literal):
1.60      schwarze 1611:                        type = nn->args->argv[i].arg;
                   1612:                        break;
                   1613:                case (MDOC_Offset):
1.62      schwarze 1614:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1615:                        break;
                   1616:                default:
                   1617:                        break;
                   1618:                }
                   1619:        }
1.60      schwarze 1620:
                   1621:        /*
                   1622:         * If -ragged or -filled are specified, the block does nothing
                   1623:         * but change the indentation.  If -unfilled or -literal are
                   1624:         * specified, text is printed exactly as entered in the display:
                   1625:         * for macro lines, a newline is appended to the line.  Blank
                   1626:         * lines are allowed.
                   1627:         */
1.48      schwarze 1628:
                   1629:        assert(type > -1);
1.60      schwarze 1630:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1631:                return(1);
                   1632:
1.60      schwarze 1633:        for (nn = n->child; nn; nn = nn->next) {
1.48      schwarze 1634:                p->flags |= TERMP_NOSPACE;
1.65      schwarze 1635:                print_mdoc_node(p, pair, m, nn);
1.60      schwarze 1636:                if (NULL == nn->next)
                   1637:                        continue;
                   1638:                if (nn->prev && nn->prev->line < nn->line)
                   1639:                        term_flushln(p);
                   1640:                else if (NULL == nn->prev)
1.1       kristaps 1641:                        term_flushln(p);
                   1642:        }
                   1643:
                   1644:        return(0);
                   1645: }
                   1646:
                   1647:
                   1648: /* ARGSUSED */
                   1649: static void
                   1650: termp_bd_post(DECL_ARGS)
                   1651: {
                   1652:
1.60      schwarze 1653:        if (MDOC_BODY != n->type)
1.1       kristaps 1654:                return;
1.48      schwarze 1655:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1656:        term_flushln(p);
                   1657: }
                   1658:
                   1659:
                   1660: /* ARGSUSED */
                   1661: static int
                   1662: termp_qq_pre(DECL_ARGS)
                   1663: {
                   1664:
1.60      schwarze 1665:        if (MDOC_BODY != n->type)
1.1       kristaps 1666:                return(1);
                   1667:        term_word(p, "\"");
                   1668:        p->flags |= TERMP_NOSPACE;
                   1669:        return(1);
                   1670: }
                   1671:
                   1672:
                   1673: /* ARGSUSED */
                   1674: static void
                   1675: termp_qq_post(DECL_ARGS)
                   1676: {
                   1677:
1.60      schwarze 1678:        if (MDOC_BODY != n->type)
1.1       kristaps 1679:                return;
                   1680:        p->flags |= TERMP_NOSPACE;
                   1681:        term_word(p, "\"");
                   1682: }
                   1683:
                   1684:
                   1685: /* ARGSUSED */
                   1686: static void
                   1687: termp_bx_post(DECL_ARGS)
                   1688: {
                   1689:
1.60      schwarze 1690:        if (n->child)
1.1       kristaps 1691:                p->flags |= TERMP_NOSPACE;
                   1692:        term_word(p, "BSD");
                   1693: }
                   1694:
                   1695:
                   1696: /* ARGSUSED */
                   1697: static int
1.26      schwarze 1698: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1699: {
1.26      schwarze 1700:        const char      *pp;
1.1       kristaps 1701:
1.26      schwarze 1702:        pp = NULL;
1.60      schwarze 1703:        switch (n->tok) {
1.26      schwarze 1704:        case (MDOC_Bsx):
                   1705:                pp = "BSDI BSD/OS";
                   1706:                break;
                   1707:        case (MDOC_Dx):
1.64      schwarze 1708:                pp = "DragonFly";
1.26      schwarze 1709:                break;
                   1710:        case (MDOC_Fx):
                   1711:                pp = "FreeBSD";
                   1712:                break;
                   1713:        case (MDOC_Nx):
                   1714:                pp = "NetBSD";
                   1715:                break;
                   1716:        case (MDOC_Ox):
                   1717:                pp = "OpenBSD";
                   1718:                break;
                   1719:        case (MDOC_Ux):
                   1720:                pp = "UNIX";
                   1721:                break;
                   1722:        default:
                   1723:                break;
                   1724:        }
1.1       kristaps 1725:
1.26      schwarze 1726:        assert(pp);
                   1727:        term_word(p, pp);
1.1       kristaps 1728:        return(1);
                   1729: }
                   1730:
                   1731:
                   1732: /* ARGSUSED */
                   1733: static int
                   1734: termp_sq_pre(DECL_ARGS)
                   1735: {
                   1736:
1.60      schwarze 1737:        if (MDOC_BODY != n->type)
1.1       kristaps 1738:                return(1);
                   1739:        term_word(p, "\\(oq");
                   1740:        p->flags |= TERMP_NOSPACE;
                   1741:        return(1);
                   1742: }
                   1743:
                   1744:
                   1745: /* ARGSUSED */
                   1746: static void
                   1747: termp_sq_post(DECL_ARGS)
                   1748: {
                   1749:
1.60      schwarze 1750:        if (MDOC_BODY != n->type)
1.1       kristaps 1751:                return;
                   1752:        p->flags |= TERMP_NOSPACE;
                   1753:        term_word(p, "\\(aq");
                   1754: }
                   1755:
                   1756:
                   1757: /* ARGSUSED */
                   1758: static int
                   1759: termp_pf_pre(DECL_ARGS)
                   1760: {
                   1761:
                   1762:        p->flags |= TERMP_IGNDELIM;
                   1763:        return(1);
                   1764: }
                   1765:
                   1766:
                   1767: /* ARGSUSED */
                   1768: static void
                   1769: termp_pf_post(DECL_ARGS)
                   1770: {
                   1771:
                   1772:        p->flags &= ~TERMP_IGNDELIM;
                   1773:        p->flags |= TERMP_NOSPACE;
                   1774: }
                   1775:
                   1776:
                   1777: /* ARGSUSED */
                   1778: static int
                   1779: termp_ss_pre(DECL_ARGS)
                   1780: {
                   1781:
1.60      schwarze 1782:        switch (n->type) {
1.1       kristaps 1783:        case (MDOC_BLOCK):
                   1784:                term_newln(p);
1.60      schwarze 1785:                if (n->prev)
1.1       kristaps 1786:                        term_vspace(p);
                   1787:                break;
                   1788:        case (MDOC_HEAD):
1.65      schwarze 1789:                term_fontpush(p, TERMFONT_BOLD);
1.3       schwarze 1790:                p->offset = HALFINDENT;
1.1       kristaps 1791:                break;
                   1792:        default:
                   1793:                break;
                   1794:        }
                   1795:
                   1796:        return(1);
                   1797: }
                   1798:
                   1799:
                   1800: /* ARGSUSED */
                   1801: static void
                   1802: termp_ss_post(DECL_ARGS)
                   1803: {
                   1804:
1.60      schwarze 1805:        if (MDOC_HEAD == n->type)
1.1       kristaps 1806:                term_newln(p);
                   1807: }
                   1808:
                   1809:
                   1810: /* ARGSUSED */
                   1811: static int
                   1812: termp_cd_pre(DECL_ARGS)
                   1813: {
                   1814:
1.65      schwarze 1815:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1816:        term_newln(p);
                   1817:        return(1);
                   1818: }
                   1819:
                   1820:
                   1821: /* ARGSUSED */
                   1822: static int
                   1823: termp_in_pre(DECL_ARGS)
                   1824: {
                   1825:
1.65      schwarze 1826:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1827:        if (SEC_SYNOPSIS == n->sec)
1.23      schwarze 1828:                term_word(p, "#include");
                   1829:
1.1       kristaps 1830:        term_word(p, "<");
                   1831:        p->flags |= TERMP_NOSPACE;
                   1832:        return(1);
                   1833: }
                   1834:
                   1835:
                   1836: /* ARGSUSED */
                   1837: static void
                   1838: termp_in_post(DECL_ARGS)
                   1839: {
                   1840:
1.65      schwarze 1841:        term_fontpush(p, TERMFONT_BOLD);
1.59      schwarze 1842:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1843:        term_word(p, ">");
1.65      schwarze 1844:        term_fontpop(p);
1.1       kristaps 1845:
1.60      schwarze 1846:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1847:                return;
1.23      schwarze 1848:
                   1849:        term_newln(p);
                   1850:        /*
                   1851:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1852:         * the SYNOPSIS section, then it produces a single break after
                   1853:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1854:         * construction is rarely used, I think it's fine.
                   1855:         */
1.60      schwarze 1856:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1857:                term_vspace(p);
1.38      schwarze 1858: }
                   1859:
                   1860:
                   1861: /* ARGSUSED */
                   1862: static int
                   1863: termp_sp_pre(DECL_ARGS)
                   1864: {
1.61      schwarze 1865:        size_t           i, len;
1.38      schwarze 1866:
1.60      schwarze 1867:        switch (n->tok) {
1.54      schwarze 1868:        case (MDOC_sp):
1.62      schwarze 1869:                len = n->child ? a2height(n->child) : 1;
1.54      schwarze 1870:                break;
                   1871:        case (MDOC_br):
                   1872:                len = 0;
                   1873:                break;
                   1874:        default:
                   1875:                len = 1;
                   1876:                break;
1.38      schwarze 1877:        }
                   1878:
                   1879:        if (0 == len)
                   1880:                term_newln(p);
                   1881:        for (i = 0; i < len; i++)
                   1882:                term_vspace(p);
                   1883:
                   1884:        return(0);
                   1885: }
                   1886:
                   1887:
                   1888: /* ARGSUSED */
                   1889: static int
1.1       kristaps 1890: termp_brq_pre(DECL_ARGS)
                   1891: {
                   1892:
1.60      schwarze 1893:        if (MDOC_BODY != n->type)
1.1       kristaps 1894:                return(1);
                   1895:        term_word(p, "\\(lC");
                   1896:        p->flags |= TERMP_NOSPACE;
                   1897:        return(1);
                   1898: }
                   1899:
                   1900:
                   1901: /* ARGSUSED */
                   1902: static void
                   1903: termp_brq_post(DECL_ARGS)
                   1904: {
                   1905:
1.60      schwarze 1906:        if (MDOC_BODY != n->type)
1.1       kristaps 1907:                return;
                   1908:        p->flags |= TERMP_NOSPACE;
                   1909:        term_word(p, "\\(rC");
                   1910: }
                   1911:
                   1912:
                   1913: /* ARGSUSED */
                   1914: static int
                   1915: termp_bq_pre(DECL_ARGS)
                   1916: {
                   1917:
1.60      schwarze 1918:        if (MDOC_BODY != n->type)
1.1       kristaps 1919:                return(1);
                   1920:        term_word(p, "\\(lB");
                   1921:        p->flags |= TERMP_NOSPACE;
                   1922:        return(1);
                   1923: }
                   1924:
                   1925:
                   1926: /* ARGSUSED */
                   1927: static void
                   1928: termp_bq_post(DECL_ARGS)
                   1929: {
                   1930:
1.60      schwarze 1931:        if (MDOC_BODY != n->type)
1.1       kristaps 1932:                return;
                   1933:        p->flags |= TERMP_NOSPACE;
                   1934:        term_word(p, "\\(rB");
                   1935: }
                   1936:
                   1937:
                   1938: /* ARGSUSED */
                   1939: static int
                   1940: termp_pq_pre(DECL_ARGS)
                   1941: {
                   1942:
1.60      schwarze 1943:        if (MDOC_BODY != n->type)
1.1       kristaps 1944:                return(1);
                   1945:        term_word(p, "\\&(");
                   1946:        p->flags |= TERMP_NOSPACE;
                   1947:        return(1);
                   1948: }
                   1949:
                   1950:
                   1951: /* ARGSUSED */
                   1952: static void
                   1953: termp_pq_post(DECL_ARGS)
                   1954: {
                   1955:
1.60      schwarze 1956:        if (MDOC_BODY != n->type)
1.1       kristaps 1957:                return;
                   1958:        term_word(p, ")");
                   1959: }
                   1960:
                   1961:
                   1962: /* ARGSUSED */
                   1963: static int
                   1964: termp_fo_pre(DECL_ARGS)
                   1965: {
1.60      schwarze 1966:        const struct mdoc_node *nn;
1.1       kristaps 1967:
1.60      schwarze 1968:        if (MDOC_BODY == n->type) {
1.31      schwarze 1969:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1970:                term_word(p, "(");
                   1971:                p->flags |= TERMP_NOSPACE;
                   1972:                return(1);
1.60      schwarze 1973:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1974:                return(1);
                   1975:
1.65      schwarze 1976:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 1977:        for (nn = n->child; nn; nn = nn->next) {
                   1978:                assert(MDOC_TEXT == nn->type);
                   1979:                term_word(p, nn->string);
1.1       kristaps 1980:        }
1.65      schwarze 1981:        term_fontpop(p);
1.1       kristaps 1982:
                   1983:        return(0);
                   1984: }
                   1985:
                   1986:
                   1987: /* ARGSUSED */
                   1988: static void
                   1989: termp_fo_post(DECL_ARGS)
                   1990: {
                   1991:
1.60      schwarze 1992:        if (MDOC_BODY != n->type)
1.1       kristaps 1993:                return;
                   1994:        p->flags |= TERMP_NOSPACE;
                   1995:        term_word(p, ")");
                   1996:        p->flags |= TERMP_NOSPACE;
                   1997:        term_word(p, ";");
                   1998:        term_newln(p);
                   1999: }
                   2000:
                   2001:
                   2002: /* ARGSUSED */
                   2003: static int
                   2004: termp_bf_pre(DECL_ARGS)
                   2005: {
1.60      schwarze 2006:        const struct mdoc_node  *nn;
1.1       kristaps 2007:
1.60      schwarze 2008:        if (MDOC_HEAD == n->type)
1.1       kristaps 2009:                return(0);
1.60      schwarze 2010:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2011:                return(1);
                   2012:
1.60      schwarze 2013:        if (NULL == (nn = n->head->child)) {
                   2014:                if (arg_hasattr(MDOC_Emphasis, n))
1.65      schwarze 2015:                        term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 2016:                else if (arg_hasattr(MDOC_Symbolic, n))
1.65      schwarze 2017:                        term_fontpush(p, TERMFONT_BOLD);
                   2018:                else
                   2019:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2020:
                   2021:                return(1);
                   2022:        }
                   2023:
1.60      schwarze 2024:        assert(MDOC_TEXT == nn->type);
                   2025:        if (0 == strcmp("Em", nn->string))
1.65      schwarze 2026:                term_fontpush(p, TERMFONT_UNDER);
1.60      schwarze 2027:        else if (0 == strcmp("Sy", nn->string))
1.65      schwarze 2028:                term_fontpush(p, TERMFONT_BOLD);
                   2029:        else
                   2030:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2031:
                   2032:        return(1);
                   2033: }
                   2034:
                   2035:
                   2036: /* ARGSUSED */
                   2037: static int
                   2038: termp_sm_pre(DECL_ARGS)
                   2039: {
                   2040:
1.60      schwarze 2041:        assert(n->child && MDOC_TEXT == n->child->type);
1.68      schwarze 2042:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2043:                p->flags &= ~TERMP_NONOSPACE;
1.68      schwarze 2044:        else
1.1       kristaps 2045:                p->flags |= TERMP_NONOSPACE;
                   2046:
                   2047:        return(0);
                   2048: }
                   2049:
                   2050:
                   2051: /* ARGSUSED */
                   2052: static int
                   2053: termp_ap_pre(DECL_ARGS)
                   2054: {
                   2055:
                   2056:        p->flags |= TERMP_NOSPACE;
                   2057:        term_word(p, "\\(aq");
                   2058:        p->flags |= TERMP_NOSPACE;
                   2059:        return(1);
                   2060: }
                   2061:
                   2062:
                   2063: /* ARGSUSED */
                   2064: static void
                   2065: termp____post(DECL_ARGS)
                   2066: {
                   2067:
1.62      schwarze 2068:        /* TODO: %U. */
                   2069:
1.1       kristaps 2070:        p->flags |= TERMP_NOSPACE;
1.60      schwarze 2071:        switch (n->tok) {
1.58      schwarze 2072:        case (MDOC__T):
                   2073:                term_word(p, "\\(rq");
                   2074:                p->flags |= TERMP_NOSPACE;
                   2075:                break;
                   2076:        default:
                   2077:                break;
                   2078:        }
1.60      schwarze 2079:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2080: }
                   2081:
                   2082:
                   2083: /* ARGSUSED */
                   2084: static int
1.65      schwarze 2085: termp_li_pre(DECL_ARGS)
                   2086: {
                   2087:
                   2088:        term_fontpush(p, TERMFONT_NONE);
                   2089:        return(1);
                   2090: }
                   2091:
                   2092:
                   2093: /* ARGSUSED */
                   2094: static int
1.1       kristaps 2095: termp_lk_pre(DECL_ARGS)
                   2096: {
1.60      schwarze 2097:        const struct mdoc_node *nn;
1.1       kristaps 2098:
1.65      schwarze 2099:        term_fontpush(p, TERMFONT_UNDER);
1.62      schwarze 2100:        nn = n->child;
                   2101:
                   2102:        if (NULL == nn->next)
1.6       schwarze 2103:                return(1);
1.1       kristaps 2104:
1.60      schwarze 2105:        term_word(p, nn->string);
1.65      schwarze 2106:        term_fontpop(p);
1.62      schwarze 2107:
1.1       kristaps 2108:        p->flags |= TERMP_NOSPACE;
                   2109:        term_word(p, ":");
                   2110:
1.65      schwarze 2111:        term_fontpush(p, TERMFONT_BOLD);
1.60      schwarze 2112:        for (nn = nn->next; nn; nn = nn->next)
                   2113:                term_word(p, nn->string);
1.65      schwarze 2114:        term_fontpop(p);
1.6       schwarze 2115:
1.1       kristaps 2116:        return(0);
                   2117: }
                   2118:
                   2119:
                   2120: /* ARGSUSED */
                   2121: static int
1.54      schwarze 2122: termp_under_pre(DECL_ARGS)
1.1       kristaps 2123: {
                   2124:
1.65      schwarze 2125:        term_fontpush(p, TERMFONT_UNDER);
1.58      schwarze 2126:        return(1);
                   2127: }
                   2128:
                   2129:
                   2130: /* ARGSUSED */
                   2131: static int
                   2132: termp__t_pre(DECL_ARGS)
                   2133: {
                   2134:
                   2135:        term_word(p, "\\(lq");
1.70      schwarze 2136:        p->flags |= TERMP_NOSPACE;
                   2137:        return(1);
                   2138: }
                   2139:
                   2140:
                   2141: /* ARGSUSED */
                   2142: static int
                   2143: termp_eos_pre(DECL_ARGS)
                   2144: {
                   2145:        const char ascii_eos[2] = { ASCII_EOS, 0 };
                   2146:
                   2147:        term_word(p, ascii_eos);
1.58      schwarze 2148:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 2149:        return(1);
                   2150: }