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Annotation of mandoc/mdoc_term.c, Revision 1.180

1.180   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.179 2010/07/27 08:38:04 kristaps Exp $ */
1.1       kristaps    2: /*
1.171     schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
                      4:  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.6       kristaps   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
1.107     kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "chars.h"
                     36: #include "main.h"
1.1       kristaps   37:
1.66      kristaps   38: #define        INDENT            5
                     39: #define        HALFINDENT        3
                     40:
1.1       kristaps   41: struct termpair {
                     42:        struct termpair  *ppair;
1.31      kristaps   43:        int               count;
1.1       kristaps   44: };
                     45:
1.31      kristaps   46: #define        DECL_ARGS struct termp *p, \
                     47:                  struct termpair *pair, \
1.86      kristaps   48:                  const struct mdoc_meta *m, \
                     49:                  const struct mdoc_node *n
1.1       kristaps   50:
                     51: struct termact {
                     52:        int     (*pre)(DECL_ARGS);
                     53:        void    (*post)(DECL_ARGS);
                     54: };
                     55:
1.157     kristaps   56: static size_t    a2width(const struct termp *, const char *);
                     57: static size_t    a2height(const struct termp *, const char *);
                     58: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   59:
                     60: static void      print_bvspace(struct termp *,
1.151     kristaps   61:                        const struct mdoc_node *,
1.96      kristaps   62:                        const struct mdoc_node *);
1.102     kristaps   63: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   64: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   65: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   66: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   67: static void      synopsis_pre(struct termp *,
                     68:                        const struct mdoc_node *);
1.96      kristaps   69:
1.31      kristaps   70: static void      termp____post(DECL_ARGS);
1.61      kristaps   71: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_aq_post(DECL_ARGS);
                     73: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   74: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   75: static void      termp_bl_post(DECL_ARGS);
                     76: static void      termp_bq_post(DECL_ARGS);
                     77: static void      termp_brq_post(DECL_ARGS);
                     78: static void      termp_bx_post(DECL_ARGS);
                     79: static void      termp_d1_post(DECL_ARGS);
                     80: static void      termp_dq_post(DECL_ARGS);
1.143     kristaps   81: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   82: static void      termp_fo_post(DECL_ARGS);
                     83: static void      termp_in_post(DECL_ARGS);
                     84: static void      termp_it_post(DECL_ARGS);
                     85: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   86: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   87: static void      termp_op_post(DECL_ARGS);
                     88: static void      termp_pf_post(DECL_ARGS);
                     89: static void      termp_pq_post(DECL_ARGS);
                     90: static void      termp_qq_post(DECL_ARGS);
                     91: static void      termp_sh_post(DECL_ARGS);
                     92: static void      termp_sq_post(DECL_ARGS);
                     93: static void      termp_ss_post(DECL_ARGS);
                     94:
1.61      kristaps   95: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_ap_pre(DECL_ARGS);
                     97: static int       termp_aq_pre(DECL_ARGS);
                     98: static int       termp_bd_pre(DECL_ARGS);
                     99: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze  100: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps  101: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  102: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  103: static int       termp_bq_pre(DECL_ARGS);
                    104: static int       termp_brq_pre(DECL_ARGS);
                    105: static int       termp_bt_pre(DECL_ARGS);
                    106: static int       termp_cd_pre(DECL_ARGS);
                    107: static int       termp_d1_pre(DECL_ARGS);
                    108: static int       termp_dq_pre(DECL_ARGS);
                    109: static int       termp_ex_pre(DECL_ARGS);
                    110: static int       termp_fa_pre(DECL_ARGS);
                    111: static int       termp_fl_pre(DECL_ARGS);
                    112: static int       termp_fn_pre(DECL_ARGS);
                    113: static int       termp_fo_pre(DECL_ARGS);
                    114: static int       termp_ft_pre(DECL_ARGS);
                    115: static int       termp_in_pre(DECL_ARGS);
                    116: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  117: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_lk_pre(DECL_ARGS);
                    119: static int       termp_nd_pre(DECL_ARGS);
                    120: static int       termp_nm_pre(DECL_ARGS);
                    121: static int       termp_ns_pre(DECL_ARGS);
                    122: static int       termp_op_pre(DECL_ARGS);
                    123: static int       termp_pf_pre(DECL_ARGS);
                    124: static int       termp_pq_pre(DECL_ARGS);
                    125: static int       termp_qq_pre(DECL_ARGS);
                    126: static int       termp_rs_pre(DECL_ARGS);
                    127: static int       termp_rv_pre(DECL_ARGS);
                    128: static int       termp_sh_pre(DECL_ARGS);
                    129: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  130: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  131: static int       termp_sq_pre(DECL_ARGS);
                    132: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  133: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  135: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_xr_pre(DECL_ARGS);
                    137: static int       termp_xx_pre(DECL_ARGS);
                    138:
1.70      kristaps  139: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  140:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  141:        { NULL, NULL }, /* Dd */
                    142:        { NULL, NULL }, /* Dt */
                    143:        { NULL, NULL }, /* Os */
                    144:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    145:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  146:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  147:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    148:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    149:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    150:        { NULL, NULL }, /* Ed */
1.115     kristaps  151:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  152:        { NULL, NULL }, /* El */
                    153:        { termp_it_pre, termp_it_post }, /* It */
1.178     kristaps  154:        { termp_under_pre, NULL }, /* Ad */
1.61      kristaps  155:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  156:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  157:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  158:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  159:        { NULL, NULL }, /* Dv */
                    160:        { NULL, NULL }, /* Er */
                    161:        { NULL, NULL }, /* Ev */
                    162:        { termp_ex_pre, NULL }, /* Ex */
                    163:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  164:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  165:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  166:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  167:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  168:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  169:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  170:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  171:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  172:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.1       kristaps  173:        { termp_op_pre, termp_op_post }, /* Op */
                    174:        { NULL, NULL }, /* Ot */
1.69      kristaps  175:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  176:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  177:        { NULL, NULL }, /* St */
1.69      kristaps  178:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  179:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  180:        { termp_xr_pre, NULL }, /* Xr */
                    181:        { NULL, termp____post }, /* %A */
1.84      kristaps  182:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  183:        { NULL, termp____post }, /* %D */
1.84      kristaps  184:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  185:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  186:        { NULL, termp____post }, /* %N */
                    187:        { NULL, termp____post }, /* %O */
                    188:        { NULL, termp____post }, /* %P */
                    189:        { NULL, termp____post }, /* %R */
1.117     kristaps  190:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  191:        { NULL, termp____post }, /* %V */
                    192:        { NULL, NULL }, /* Ac */
                    193:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    194:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  195:        { NULL, NULL }, /* At */
1.1       kristaps  196:        { NULL, NULL }, /* Bc */
                    197:        { termp_bf_pre, NULL }, /* Bf */
                    198:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  201:        { NULL, termp_bx_post }, /* Bx */
                    202:        { NULL, NULL }, /* Db */
                    203:        { NULL, NULL }, /* Dc */
                    204:        { termp_dq_pre, termp_dq_post }, /* Do */
                    205:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  206:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  207:        { NULL, NULL }, /* Ef */
1.69      kristaps  208:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  209:        { NULL, NULL }, /* Eo */
1.26      kristaps  210:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  211:        { termp_bold_pre, NULL }, /* Ms */
1.1       kristaps  212:        { NULL, NULL }, /* No */
                    213:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  214:        { termp_xx_pre, NULL }, /* Nx */
                    215:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  216:        { NULL, NULL }, /* Pc */
                    217:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    218:        { termp_pq_pre, termp_pq_post }, /* Po */
                    219:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    220:        { NULL, NULL }, /* Qc */
                    221:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    222:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    224:        { NULL, NULL }, /* Re */
                    225:        { termp_rs_pre, NULL }, /* Rs */
                    226:        { NULL, NULL }, /* Sc */
                    227:        { termp_sq_pre, termp_sq_post }, /* So */
                    228:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    229:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  230:        { termp_under_pre, NULL }, /* Sx */
                    231:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  232:        { NULL, NULL }, /* Tn */
1.26      kristaps  233:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  234:        { NULL, NULL }, /* Xc */
                    235:        { NULL, NULL }, /* Xo */
                    236:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    237:        { NULL, NULL }, /* Fc */
                    238:        { termp_op_pre, termp_op_post }, /* Oo */
                    239:        { NULL, NULL }, /* Oc */
1.159     schwarze  240:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  241:        { NULL, NULL }, /* Ek */
                    242:        { termp_bt_pre, NULL }, /* Bt */
                    243:        { NULL, NULL }, /* Hf */
                    244:        { NULL, NULL }, /* Fr */
                    245:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  246:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  247:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  248:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  249:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  250:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    251:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    252:        { NULL, NULL }, /* Brc */
1.83      kristaps  253:        { NULL, termp____post }, /* %C */
1.81      kristaps  254:        { NULL, NULL }, /* Es */ /* TODO */
                    255:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  256:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  257:        { NULL, termp____post }, /* %Q */
1.76      kristaps  258:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  259:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  260:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  261:        { NULL, NULL }, /* Ta */
1.1       kristaps  262: };
                    263:
                    264:
1.70      kristaps  265: void
1.89      kristaps  266: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  267: {
1.70      kristaps  268:        const struct mdoc_node  *n;
                    269:        const struct mdoc_meta  *m;
1.89      kristaps  270:        struct termp            *p;
                    271:
                    272:        p = (struct termp *)arg;
1.111     kristaps  273:
                    274:        p->overstep = 0;
1.123     joerg     275:        p->maxrmargin = p->defrmargin;
1.157     kristaps  276:        p->tabwidth = term_len(p, 5);
1.89      kristaps  277:
                    278:        if (NULL == p->symtab)
                    279:                switch (p->enc) {
                    280:                case (TERMENC_ASCII):
                    281:                        p->symtab = chars_init(CHARS_ASCII);
                    282:                        break;
                    283:                default:
                    284:                        abort();
                    285:                        /* NOTREACHED */
                    286:                }
1.70      kristaps  287:
                    288:        n = mdoc_node(mdoc);
                    289:        m = mdoc_meta(mdoc);
1.146     schwarze  290:
                    291:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  292:
                    293:        if (n->child)
1.102     kristaps  294:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  295:
                    296:        term_end(p);
1.1       kristaps  297: }
                    298:
                    299:
1.3       kristaps  300: static void
1.102     kristaps  301: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  302: {
                    303:
1.102     kristaps  304:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  305:        if (n->next)
1.102     kristaps  306:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  307: }
                    308:
                    309:
1.70      kristaps  310: /* ARGSUSED */
1.3       kristaps  311: static void
1.102     kristaps  312: print_mdoc_node(DECL_ARGS)
1.1       kristaps  313: {
1.102     kristaps  314:        int              chld;
                    315:        const void      *font;
1.1       kristaps  316:        struct termpair  npair;
1.30      kristaps  317:        size_t           offset, rmargin;
1.1       kristaps  318:
1.70      kristaps  319:        chld = 1;
1.29      kristaps  320:        offset = p->offset;
1.30      kristaps  321:        rmargin = p->rmargin;
1.102     kristaps  322:        font = term_fontq(p);
1.29      kristaps  323:
1.97      kristaps  324:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  325:        npair.ppair = pair;
1.46      kristaps  326:
1.162     schwarze  327:        if (MDOC_TEXT == n->type)
1.86      kristaps  328:                term_word(p, n->string);
1.163     kristaps  329:        else if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
1.162     schwarze  330:                chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.172     kristaps  331:
                    332:        /*
                    333:         * Keeps only work until the end of a line.  If a keep was
                    334:         * invoked in a prior line, revert it to PREKEEP.
                    335:         */
                    336:
                    337:        if (TERMP_KEEP & p->flags) {
                    338:                if (n->prev && n->prev->line != n->line) {
                    339:                        p->flags &= ~TERMP_KEEP;
                    340:                        p->flags |= TERMP_PREKEEP;
                    341:                } else if (NULL == n->prev) {
                    342:                        if (n->parent && n->parent->line != n->line) {
                    343:                                p->flags &= ~TERMP_KEEP;
                    344:                                p->flags |= TERMP_PREKEEP;
                    345:                        }
                    346:                }
                    347:        }
1.102     kristaps  348:
1.86      kristaps  349:        if (chld && n->child)
1.102     kristaps  350:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  351:
1.102     kristaps  352:        term_fontpopq(p, font);
1.46      kristaps  353:
1.165     kristaps  354:        if (MDOC_TEXT != n->type && termacts[n->tok].post &&
                    355:                        ! (MDOC_ENDED & n->flags)) {
                    356:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  357:
                    358:                /*
                    359:                 * Explicit end tokens not only call the post
                    360:                 * handler, but also tell the respective block
                    361:                 * that it must not call the post handler again.
                    362:                 */
1.165     kristaps  363:                if (ENDBODY_NOT != n->end)
1.162     schwarze  364:                        n->pending->flags |= MDOC_ENDED;
                    365:
                    366:                /*
                    367:                 * End of line terminating an implicit block
                    368:                 * while an explicit block is still open.
                    369:                 * Continue the explicit block without spacing.
                    370:                 */
                    371:                if (ENDBODY_NOSPACE == n->end)
                    372:                        p->flags |= TERMP_NOSPACE;
                    373:        }
1.121     kristaps  374:
                    375:        if (MDOC_EOS & n->flags)
                    376:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  377:
                    378:        p->offset = offset;
1.30      kristaps  379:        p->rmargin = rmargin;
1.1       kristaps  380: }
                    381:
                    382:
1.3       kristaps  383: static void
1.145     kristaps  384: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  385: {
1.98      kristaps  386:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  387:        const struct mdoc_meta *m;
                    388:
                    389:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  390:
1.102     kristaps  391:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  392:
1.9       kristaps  393:        /*
                    394:         * Output the footer in new-groff style, that is, three columns
                    395:         * with the middle being the manual date and flanking columns
                    396:         * being the operating system:
                    397:         *
                    398:         * SYSTEM                  DATE                    SYSTEM
                    399:         */
                    400:
1.94      kristaps  401:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  402:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  403:
                    404:        term_vspace(p);
                    405:
1.9       kristaps  406:        p->offset = 0;
1.157     kristaps  407:        p->rmargin = (p->maxrmargin -
                    408:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  409:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    410:
                    411:        term_word(p, os);
                    412:        term_flushln(p);
                    413:
1.9       kristaps  414:        p->offset = p->rmargin;
1.157     kristaps  415:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  416:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  417:
                    418:        term_word(p, buf);
                    419:        term_flushln(p);
                    420:
1.1       kristaps  421:        p->offset = p->rmargin;
                    422:        p->rmargin = p->maxrmargin;
                    423:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  424:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  425:
1.9       kristaps  426:        term_word(p, os);
1.1       kristaps  427:        term_flushln(p);
                    428:
1.9       kristaps  429:        p->offset = 0;
                    430:        p->rmargin = p->maxrmargin;
                    431:        p->flags = 0;
1.1       kristaps  432: }
                    433:
                    434:
1.3       kristaps  435: static void
1.144     kristaps  436: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  437: {
1.98      kristaps  438:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  439:        const struct mdoc_meta *m;
                    440:
                    441:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  442:
                    443:        p->rmargin = p->maxrmargin;
                    444:        p->offset = 0;
                    445:
                    446:        /*
                    447:         * The header is strange.  It has three components, which are
                    448:         * really two with the first duplicated.  It goes like this:
                    449:         *
                    450:         * IDENTIFIER              TITLE                   IDENTIFIER
                    451:         *
                    452:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    453:         * (if given, or "unknown" if not) followed by the manual page
                    454:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    455:         * string depending on the manual volume.  If not specified, it
                    456:         * switches on the manual section.
                    457:         */
                    458:
1.86      kristaps  459:        assert(m->vol);
1.98      kristaps  460:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  461:
1.86      kristaps  462:        if (m->arch) {
1.98      kristaps  463:                strlcat(buf, " (", BUFSIZ);
                    464:                strlcat(buf, m->arch, BUFSIZ);
                    465:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  466:        }
                    467:
1.124     kristaps  468:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  469:
                    470:        p->offset = 0;
1.157     kristaps  471:        p->rmargin = (p->maxrmargin -
                    472:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  473:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    474:
                    475:        term_word(p, title);
                    476:        term_flushln(p);
                    477:
                    478:        p->offset = p->rmargin;
1.157     kristaps  479:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  480:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  481:
                    482:        term_word(p, buf);
                    483:        term_flushln(p);
                    484:
                    485:        p->offset = p->rmargin;
                    486:        p->rmargin = p->maxrmargin;
                    487:        p->flags &= ~TERMP_NOBREAK;
                    488:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    489:
                    490:        term_word(p, title);
                    491:        term_flushln(p);
                    492:
1.9       kristaps  493:        p->offset = 0;
1.1       kristaps  494:        p->rmargin = p->maxrmargin;
                    495:        p->flags &= ~TERMP_NOSPACE;
                    496: }
                    497:
                    498:
                    499: static size_t
1.157     kristaps  500: a2height(const struct termp *p, const char *v)
1.1       kristaps  501: {
1.92      kristaps  502:        struct roffsu    su;
1.91      kristaps  503:
1.157     kristaps  504:        assert(v);
                    505:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    506:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  507:
1.157     kristaps  508:        return(term_vspan(p, &su));
1.91      kristaps  509: }
1.1       kristaps  510:
1.40      kristaps  511:
1.91      kristaps  512: static size_t
1.157     kristaps  513: a2width(const struct termp *p, const char *v)
1.91      kristaps  514: {
1.92      kristaps  515:        struct roffsu    su;
1.1       kristaps  516:
1.154     kristaps  517:        assert(v);
                    518:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  519:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  520:
1.157     kristaps  521:        return(term_hspan(p, &su));
1.1       kristaps  522: }
                    523:
                    524:
                    525: static size_t
1.157     kristaps  526: a2offs(const struct termp *p, const char *v)
1.1       kristaps  527: {
1.92      kristaps  528:        struct roffsu    su;
1.1       kristaps  529:
1.148     kristaps  530:        if ('\0' == *v)
1.91      kristaps  531:                return(0);
1.148     kristaps  532:        else if (0 == strcmp(v, "left"))
1.19      kristaps  533:                return(0);
1.148     kristaps  534:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  535:                return(term_len(p, INDENT + 1));
1.148     kristaps  536:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  537:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  538:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  539:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  540:
1.157     kristaps  541:        return(term_hspan(p, &su));
1.1       kristaps  542: }
                    543:
                    544:
1.108     kristaps  545: /*
                    546:  * Determine how much space to print out before block elements of `It'
                    547:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    548:  * too.
                    549:  */
1.54      kristaps  550: static void
1.151     kristaps  551: print_bvspace(struct termp *p,
                    552:                const struct mdoc_node *bl,
                    553:                const struct mdoc_node *n)
1.1       kristaps  554: {
1.86      kristaps  555:        const struct mdoc_node  *nn;
1.1       kristaps  556:
                    557:        term_newln(p);
1.150     kristaps  558:
1.165     kristaps  559:        if (MDOC_Bd == bl->tok && bl->data.Bd->comp)
1.150     kristaps  560:                return;
1.165     kristaps  561:        if (MDOC_Bl == bl->tok && bl->data.Bl->comp)
1.54      kristaps  562:                return;
                    563:
1.85      kristaps  564:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  565:
1.86      kristaps  566:        for (nn = n; nn; nn = nn->parent) {
                    567:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  568:                        continue;
1.86      kristaps  569:                if (MDOC_Ss == nn->tok)
1.54      kristaps  570:                        return;
1.86      kristaps  571:                if (MDOC_Sh == nn->tok)
1.54      kristaps  572:                        return;
1.86      kristaps  573:                if (NULL == nn->prev)
1.1       kristaps  574:                        continue;
                    575:                break;
                    576:        }
                    577:
1.85      kristaps  578:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  579:
1.165     kristaps  580:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl->type)
1.86      kristaps  581:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  582:                        return;
                    583:
1.85      kristaps  584:        /* A `-diag' without body does not vspace. */
                    585:
1.165     kristaps  586:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl->type)
1.86      kristaps  587:                if (n->prev && MDOC_It == n->prev->tok) {
                    588:                        assert(n->prev->body);
                    589:                        if (NULL == n->prev->body->child)
1.55      kristaps  590:                                return;
                    591:                }
                    592:
1.54      kristaps  593:        term_vspace(p);
1.1       kristaps  594: }
                    595:
                    596:
                    597: /* ARGSUSED */
                    598: static int
                    599: termp_dq_pre(DECL_ARGS)
                    600: {
                    601:
1.86      kristaps  602:        if (MDOC_BODY != n->type)
1.1       kristaps  603:                return(1);
                    604:
                    605:        term_word(p, "\\(lq");
                    606:        p->flags |= TERMP_NOSPACE;
                    607:        return(1);
                    608: }
                    609:
                    610:
                    611: /* ARGSUSED */
                    612: static void
                    613: termp_dq_post(DECL_ARGS)
                    614: {
                    615:
1.86      kristaps  616:        if (MDOC_BODY != n->type)
1.1       kristaps  617:                return;
                    618:
                    619:        p->flags |= TERMP_NOSPACE;
                    620:        term_word(p, "\\(rq");
                    621: }
                    622:
                    623:
                    624: /* ARGSUSED */
                    625: static int
                    626: termp_it_pre(DECL_ARGS)
                    627: {
1.86      kristaps  628:        const struct mdoc_node *bl, *nn;
1.1       kristaps  629:        char                    buf[7];
1.170     kristaps  630:        int                     i;
1.108     kristaps  631:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  632:        enum mdoc_list          type;
1.1       kristaps  633:
1.86      kristaps  634:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  635:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  636:                return(1);
                    637:        }
1.1       kristaps  638:
1.86      kristaps  639:        bl = n->parent->parent->parent;
1.165     kristaps  640:        assert(bl->data.Bl);
                    641:        type = bl->data.Bl->type;
1.1       kristaps  642:
1.108     kristaps  643:        /*
                    644:         * First calculate width and offset.  This is pretty easy unless
                    645:         * we're a -column list, in which case all prior columns must
                    646:         * be accounted for.
                    647:         */
                    648:
                    649:        width = offset = 0;
                    650:
1.165     kristaps  651:        if (bl->data.Bl->offs)
                    652:                offset = a2offs(p, bl->data.Bl->offs);
1.152     kristaps  653:
1.1       kristaps  654:        switch (type) {
1.126     kristaps  655:        case (LIST_column):
1.134     kristaps  656:                if (MDOC_HEAD == n->type)
1.1       kristaps  657:                        break;
1.155     kristaps  658:
1.105     kristaps  659:                /*
1.108     kristaps  660:                 * Imitate groff's column handling:
                    661:                 * - For each earlier column, add its width.
                    662:                 * - For less than 5 columns, add four more blanks per
                    663:                 *   column.
                    664:                 * - For exactly 5 columns, add three more blank per
                    665:                 *   column.
                    666:                 * - For more than 5 columns, add only one column.
1.105     kristaps  667:                 */
1.170     kristaps  668:                ncols = bl->data.Bl->ncols;
                    669:
1.108     kristaps  670:                /* LINTED */
1.157     kristaps  671:                dcol = ncols < 5 ? term_len(p, 4) :
                    672:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  673:
1.134     kristaps  674:                /*
                    675:                 * Calculate the offset by applying all prior MDOC_BODY,
                    676:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    677:                 */
                    678:
1.108     kristaps  679:                for (i = 0, nn = n->prev;
1.134     kristaps  680:                                nn->prev && i < (int)ncols;
1.108     kristaps  681:                                nn = nn->prev, i++)
                    682:                        offset += dcol + a2width
1.170     kristaps  683:                                (p, bl->data.Bl->cols[i]);
1.105     kristaps  684:
                    685:                /*
1.108     kristaps  686:                 * When exceeding the declared number of columns, leave
                    687:                 * the remaining widths at 0.  This will later be
                    688:                 * adjusted to the default width of 10, or, for the last
                    689:                 * column, stretched to the right margin.
1.58      kristaps  690:                 */
1.108     kristaps  691:                if (i >= (int)ncols)
                    692:                        break;
1.58      kristaps  693:
1.105     kristaps  694:                /*
1.108     kristaps  695:                 * Use the declared column widths, extended as explained
                    696:                 * in the preceding paragraph.
1.105     kristaps  697:                 */
1.170     kristaps  698:                width = a2width(p, bl->data.Bl->cols[i]) + dcol;
1.1       kristaps  699:                break;
                    700:        default:
1.165     kristaps  701:                if (NULL == bl->data.Bl->width)
1.108     kristaps  702:                        break;
                    703:
                    704:                /*
                    705:                 * Note: buffer the width by 2, which is groff's magic
                    706:                 * number for buffering single arguments.  See the above
                    707:                 * handling for column for how this changes.
                    708:                 */
1.165     kristaps  709:                assert(bl->data.Bl->width);
                    710:                width = a2width(p, bl->data.Bl->width) + term_len(p, 2);
1.1       kristaps  711:                break;
                    712:        }
                    713:
                    714:        /*
                    715:         * List-type can override the width in the case of fixed-head
                    716:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  717:         * offset.
1.1       kristaps  718:         */
                    719:
                    720:        switch (type) {
1.126     kristaps  721:        case (LIST_bullet):
1.1       kristaps  722:                /* FALLTHROUGH */
1.126     kristaps  723:        case (LIST_dash):
1.1       kristaps  724:                /* FALLTHROUGH */
1.126     kristaps  725:        case (LIST_hyphen):
1.157     kristaps  726:                if (width < term_len(p, 4))
                    727:                        width = term_len(p, 4);
1.1       kristaps  728:                break;
1.126     kristaps  729:        case (LIST_enum):
1.157     kristaps  730:                if (width < term_len(p, 5))
                    731:                        width = term_len(p, 5);
1.17      kristaps  732:                break;
1.126     kristaps  733:        case (LIST_hang):
1.39      kristaps  734:                if (0 == width)
1.157     kristaps  735:                        width = term_len(p, 8);
1.39      kristaps  736:                break;
1.126     kristaps  737:        case (LIST_column):
1.49      kristaps  738:                /* FALLTHROUGH */
1.126     kristaps  739:        case (LIST_tag):
1.1       kristaps  740:                if (0 == width)
1.157     kristaps  741:                        width = term_len(p, 10);
1.1       kristaps  742:                break;
                    743:        default:
                    744:                break;
                    745:        }
                    746:
                    747:        /*
1.17      kristaps  748:         * Whitespace control.  Inset bodies need an initial space,
                    749:         * while diagonal bodies need two.
1.1       kristaps  750:         */
                    751:
1.51      kristaps  752:        p->flags |= TERMP_NOSPACE;
                    753:
1.1       kristaps  754:        switch (type) {
1.126     kristaps  755:        case (LIST_diag):
1.86      kristaps  756:                if (MDOC_BODY == n->type)
1.62      kristaps  757:                        term_word(p, "\\ \\ ");
1.51      kristaps  758:                break;
1.126     kristaps  759:        case (LIST_inset):
1.86      kristaps  760:                if (MDOC_BODY == n->type)
1.51      kristaps  761:                        term_word(p, "\\ ");
1.1       kristaps  762:                break;
                    763:        default:
                    764:                break;
                    765:        }
                    766:
1.51      kristaps  767:        p->flags |= TERMP_NOSPACE;
                    768:
1.1       kristaps  769:        switch (type) {
1.126     kristaps  770:        case (LIST_diag):
1.86      kristaps  771:                if (MDOC_HEAD == n->type)
1.102     kristaps  772:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  773:                break;
                    774:        default:
                    775:                break;
                    776:        }
                    777:
                    778:        /*
1.109     kristaps  779:         * Pad and break control.  This is the tricky part.  These flags
                    780:         * are documented in term_flushln() in term.c.  Note that we're
                    781:         * going to unset all of these flags in termp_it_post() when we
                    782:         * exit.
1.1       kristaps  783:         */
                    784:
                    785:        switch (type) {
1.126     kristaps  786:        case (LIST_bullet):
1.1       kristaps  787:                /* FALLTHROUGH */
1.126     kristaps  788:        case (LIST_dash):
1.1       kristaps  789:                /* FALLTHROUGH */
1.126     kristaps  790:        case (LIST_enum):
1.1       kristaps  791:                /* FALLTHROUGH */
1.126     kristaps  792:        case (LIST_hyphen):
1.86      kristaps  793:                if (MDOC_HEAD == n->type)
1.39      kristaps  794:                        p->flags |= TERMP_NOBREAK;
                    795:                else
                    796:                        p->flags |= TERMP_NOLPAD;
                    797:                break;
1.126     kristaps  798:        case (LIST_hang):
1.86      kristaps  799:                if (MDOC_HEAD == n->type)
1.39      kristaps  800:                        p->flags |= TERMP_NOBREAK;
                    801:                else
                    802:                        p->flags |= TERMP_NOLPAD;
                    803:
1.86      kristaps  804:                if (MDOC_HEAD != n->type)
1.59      kristaps  805:                        break;
                    806:
                    807:                /*
                    808:                 * This is ugly.  If `-hang' is specified and the body
                    809:                 * is a `Bl' or `Bd', then we want basically to nullify
                    810:                 * the "overstep" effect in term_flushln() and treat
                    811:                 * this as a `-ohang' list instead.
                    812:                 */
1.86      kristaps  813:                if (n->next->child &&
                    814:                                (MDOC_Bl == n->next->child->tok ||
                    815:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  816:                        p->flags &= ~TERMP_NOBREAK;
                    817:                        p->flags &= ~TERMP_NOLPAD;
                    818:                } else
1.39      kristaps  819:                        p->flags |= TERMP_HANG;
                    820:                break;
1.126     kristaps  821:        case (LIST_tag):
1.86      kristaps  822:                if (MDOC_HEAD == n->type)
1.51      kristaps  823:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  824:                else
                    825:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  826:
1.86      kristaps  827:                if (MDOC_HEAD != n->type)
1.39      kristaps  828:                        break;
1.86      kristaps  829:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  830:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  831:                break;
1.126     kristaps  832:        case (LIST_column):
1.134     kristaps  833:                if (MDOC_HEAD == n->type)
                    834:                        break;
                    835:
                    836:                if (NULL == n->next)
                    837:                        p->flags &= ~TERMP_NOBREAK;
                    838:                else
                    839:                        p->flags |= TERMP_NOBREAK;
                    840:
                    841:                assert(n->prev);
                    842:                if (MDOC_BODY == n->prev->type)
                    843:                        p->flags |= TERMP_NOLPAD;
                    844:
1.1       kristaps  845:                break;
1.126     kristaps  846:        case (LIST_diag):
1.86      kristaps  847:                if (MDOC_HEAD == n->type)
1.1       kristaps  848:                        p->flags |= TERMP_NOBREAK;
                    849:                break;
                    850:        default:
                    851:                break;
                    852:        }
                    853:
                    854:        /*
                    855:         * Margin control.  Set-head-width lists have their right
                    856:         * margins shortened.  The body for these lists has the offset
                    857:         * necessarily lengthened.  Everybody gets the offset.
                    858:         */
                    859:
                    860:        p->offset += offset;
                    861:
                    862:        switch (type) {
1.126     kristaps  863:        case (LIST_hang):
1.59      kristaps  864:                /*
                    865:                 * Same stipulation as above, regarding `-hang'.  We
                    866:                 * don't want to recalculate rmargin and offsets when
                    867:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    868:                 */
1.86      kristaps  869:                if (MDOC_HEAD == n->type && n->next->child &&
                    870:                                (MDOC_Bl == n->next->child->tok ||
                    871:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  872:                        break;
                    873:                /* FALLTHROUGH */
1.126     kristaps  874:        case (LIST_bullet):
1.1       kristaps  875:                /* FALLTHROUGH */
1.126     kristaps  876:        case (LIST_dash):
1.1       kristaps  877:                /* FALLTHROUGH */
1.126     kristaps  878:        case (LIST_enum):
1.1       kristaps  879:                /* FALLTHROUGH */
1.126     kristaps  880:        case (LIST_hyphen):
1.1       kristaps  881:                /* FALLTHROUGH */
1.126     kristaps  882:        case (LIST_tag):
1.49      kristaps  883:                assert(width);
1.86      kristaps  884:                if (MDOC_HEAD == n->type)
1.1       kristaps  885:                        p->rmargin = p->offset + width;
                    886:                else
                    887:                        p->offset += width;
                    888:                break;
1.126     kristaps  889:        case (LIST_column):
1.49      kristaps  890:                assert(width);
1.1       kristaps  891:                p->rmargin = p->offset + width;
1.50      kristaps  892:                /*
                    893:                 * XXX - this behaviour is not documented: the
                    894:                 * right-most column is filled to the right margin.
                    895:                 */
1.134     kristaps  896:                if (MDOC_HEAD == n->type)
                    897:                        break;
                    898:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  899:                        p->rmargin = p->maxrmargin;
1.1       kristaps  900:                break;
                    901:        default:
                    902:                break;
                    903:        }
                    904:
                    905:        /*
                    906:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  907:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  908:         */
                    909:
1.86      kristaps  910:        if (MDOC_HEAD == n->type)
1.1       kristaps  911:                switch (type) {
1.126     kristaps  912:                case (LIST_bullet):
1.102     kristaps  913:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  914:                        term_word(p, "\\[bu]");
1.102     kristaps  915:                        term_fontpop(p);
1.1       kristaps  916:                        break;
1.126     kristaps  917:                case (LIST_dash):
1.1       kristaps  918:                        /* FALLTHROUGH */
1.126     kristaps  919:                case (LIST_hyphen):
1.102     kristaps  920:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  921:                        term_word(p, "\\(hy");
1.102     kristaps  922:                        term_fontpop(p);
1.1       kristaps  923:                        break;
1.126     kristaps  924:                case (LIST_enum):
1.1       kristaps  925:                        (pair->ppair->ppair->count)++;
1.109     kristaps  926:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  927:                                        pair->ppair->ppair->count);
                    928:                        term_word(p, buf);
                    929:                        break;
                    930:                default:
                    931:                        break;
                    932:                }
                    933:
                    934:        /*
                    935:         * If we're not going to process our children, indicate so here.
                    936:         */
                    937:
                    938:        switch (type) {
1.126     kristaps  939:        case (LIST_bullet):
1.1       kristaps  940:                /* FALLTHROUGH */
1.126     kristaps  941:        case (LIST_item):
1.1       kristaps  942:                /* FALLTHROUGH */
1.126     kristaps  943:        case (LIST_dash):
1.1       kristaps  944:                /* FALLTHROUGH */
1.126     kristaps  945:        case (LIST_hyphen):
1.1       kristaps  946:                /* FALLTHROUGH */
1.126     kristaps  947:        case (LIST_enum):
1.86      kristaps  948:                if (MDOC_HEAD == n->type)
1.1       kristaps  949:                        return(0);
                    950:                break;
1.126     kristaps  951:        case (LIST_column):
1.134     kristaps  952:                if (MDOC_HEAD == n->type)
1.1       kristaps  953:                        return(0);
                    954:                break;
                    955:        default:
                    956:                break;
                    957:        }
                    958:
                    959:        return(1);
                    960: }
                    961:
                    962:
                    963: /* ARGSUSED */
                    964: static void
                    965: termp_it_post(DECL_ARGS)
                    966: {
1.126     kristaps  967:        enum mdoc_list     type;
1.1       kristaps  968:
1.109     kristaps  969:        if (MDOC_BLOCK == n->type)
1.1       kristaps  970:                return;
                    971:
1.165     kristaps  972:        type = n->parent->parent->parent->data.Bl->type;
1.1       kristaps  973:
                    974:        switch (type) {
1.126     kristaps  975:        case (LIST_item):
1.1       kristaps  976:                /* FALLTHROUGH */
1.126     kristaps  977:        case (LIST_diag):
1.53      kristaps  978:                /* FALLTHROUGH */
1.126     kristaps  979:        case (LIST_inset):
1.86      kristaps  980:                if (MDOC_BODY == n->type)
1.130     schwarze  981:                        term_newln(p);
1.1       kristaps  982:                break;
1.126     kristaps  983:        case (LIST_column):
1.134     kristaps  984:                if (MDOC_BODY == n->type)
1.1       kristaps  985:                        term_flushln(p);
                    986:                break;
                    987:        default:
1.130     schwarze  988:                term_newln(p);
1.1       kristaps  989:                break;
                    990:        }
                    991:
1.109     kristaps  992:        /*
                    993:         * Now that our output is flushed, we can reset our tags.  Since
                    994:         * only `It' sets these flags, we're free to assume that nobody
                    995:         * has munged them in the meanwhile.
                    996:         */
                    997:
                    998:        p->flags &= ~TERMP_DANGLE;
                    999:        p->flags &= ~TERMP_NOBREAK;
                   1000:        p->flags &= ~TERMP_TWOSPACE;
                   1001:        p->flags &= ~TERMP_NOLPAD;
                   1002:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1003: }
                   1004:
                   1005:
                   1006: /* ARGSUSED */
                   1007: static int
                   1008: termp_nm_pre(DECL_ARGS)
                   1009: {
                   1010:
1.164     schwarze 1011:        if (MDOC_BLOCK == n->type)
                   1012:                return(1);
                   1013:
                   1014:        if (MDOC_BODY == n->type) {
                   1015:                if (NULL == n->child)
                   1016:                        return(0);
                   1017:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1018:                p->offset += term_len(p, 1) +
                   1019:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1020:                     MDOC_TEXT == n->prev->child->type ?
                   1021:                        term_strlen(p, n->prev->child->string) :
                   1022:                     term_len(p, 5));
                   1023:                return(1);
                   1024:        }
                   1025:
1.125     kristaps 1026:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1027:                return(0);
1.125     kristaps 1028:
1.177     schwarze 1029:        if (MDOC_HEAD == n->type)
                   1030:                synopsis_pre(p, n->parent);
1.102     kristaps 1031:
1.164     schwarze 1032:        if (MDOC_HEAD == n->type && n->next->child) {
                   1033:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_HANG;
                   1034:                p->rmargin = p->offset + term_len(p, 1) +
                   1035:                    (NULL == n->child ? term_strlen(p, m->name) :
                   1036:                     MDOC_TEXT == n->child->type ?
                   1037:                        term_strlen(p, n->child->string) :
                   1038:                     term_len(p, 5));
                   1039:        }
                   1040:
1.102     kristaps 1041:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1042:        if (NULL == n->child)
                   1043:                term_word(p, m->name);
1.1       kristaps 1044:        return(1);
                   1045: }
                   1046:
                   1047:
1.164     schwarze 1048: /* ARGSUSED */
                   1049: static void
                   1050: termp_nm_post(DECL_ARGS)
                   1051: {
                   1052:
                   1053:        if (MDOC_HEAD == n->type && n->next->child) {
                   1054:                term_flushln(p);
                   1055:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1056:        } else if (MDOC_BODY == n->type && n->child) {
                   1057:                term_flushln(p);
                   1058:                p->flags &= ~TERMP_NOLPAD;
                   1059:        }
                   1060: }
                   1061:
                   1062:
1.1       kristaps 1063: /* ARGSUSED */
                   1064: static int
                   1065: termp_fl_pre(DECL_ARGS)
                   1066: {
                   1067:
1.102     kristaps 1068:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1069:        term_word(p, "\\-");
1.103     kristaps 1070:
                   1071:        if (n->child)
1.114     kristaps 1072:                p->flags |= TERMP_NOSPACE;
                   1073:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1074:                p->flags |= TERMP_NOSPACE;
                   1075:
1.1       kristaps 1076:        return(1);
                   1077: }
                   1078:
                   1079:
                   1080: /* ARGSUSED */
                   1081: static int
1.61      kristaps 1082: termp_an_pre(DECL_ARGS)
                   1083: {
                   1084:
1.86      kristaps 1085:        if (NULL == n->child)
1.61      kristaps 1086:                return(1);
                   1087:
                   1088:        /*
1.85      kristaps 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.
1.61      kristaps 1095:         */
                   1096:
1.86      kristaps 1097:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 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:
1.86      kristaps 1121:        if (n->child) {
                   1122:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1123:                        p->flags |= TERMP_ANPREC;
                   1124:                return;
                   1125:        }
                   1126:
1.168     kristaps 1127:        if (AUTH_split == n->data.An.auth) {
1.61      kristaps 1128:                p->flags &= ~TERMP_NOSPLIT;
                   1129:                p->flags |= TERMP_SPLIT;
1.168     kristaps 1130:        } else if (AUTH_nosplit == n->data.An.auth) {
1.61      kristaps 1131:                p->flags &= ~TERMP_SPLIT;
                   1132:                p->flags |= TERMP_NOSPLIT;
                   1133:        }
                   1134:
                   1135: }
                   1136:
                   1137:
                   1138: /* ARGSUSED */
                   1139: static int
1.1       kristaps 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:
1.86      kristaps 1153:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1154:                return(1);
1.86      kristaps 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: {
1.68      kristaps 1165:        const struct mdoc_node  *nn;
1.1       kristaps 1166:
                   1167:        term_newln(p);
                   1168:        term_word(p, "The");
                   1169:
1.86      kristaps 1170:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1171:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1172:                term_word(p, nn->string);
1.102     kristaps 1173:                term_fontpop(p);
1.68      kristaps 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:
1.125     kristaps 1183:        if (n->child && n->child->next)
1.68      kristaps 1184:                term_word(p, "functions return");
                   1185:        else
                   1186:                term_word(p, "function returns");
1.1       kristaps 1187:
1.68      kristaps 1188:                term_word(p, "the value 0 if successful; otherwise the value "
                   1189:                        "-1 is returned and the global variable");
1.1       kristaps 1190:
1.102     kristaps 1191:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1192:        term_word(p, "errno");
1.102     kristaps 1193:        term_fontpop(p);
1.1       kristaps 1194:
                   1195:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1196:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1197:
1.68      kristaps 1198:        return(0);
1.1       kristaps 1199: }
                   1200:
                   1201:
                   1202: /* ARGSUSED */
                   1203: static int
                   1204: termp_ex_pre(DECL_ARGS)
                   1205: {
1.68      kristaps 1206:        const struct mdoc_node  *nn;
1.1       kristaps 1207:
1.68      kristaps 1208:        term_word(p, "The");
1.1       kristaps 1209:
1.86      kristaps 1210:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1211:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1212:                term_word(p, nn->string);
1.102     kristaps 1213:                term_fontpop(p);
1.68      kristaps 1214:                p->flags |= TERMP_NOSPACE;
                   1215:                if (nn->next && NULL == nn->next->next)
                   1216:                        term_word(p, ", and");
                   1217:                else if (nn->next)
                   1218:                        term_word(p, ",");
                   1219:                else
                   1220:                        p->flags &= ~TERMP_NOSPACE;
                   1221:        }
                   1222:
1.125     kristaps 1223:        if (n->child && n->child->next)
1.68      kristaps 1224:                term_word(p, "utilities exit");
                   1225:        else
                   1226:                term_word(p, "utility exits");
                   1227:
                   1228:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1229:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1230:
1.68      kristaps 1231:        return(0);
1.1       kristaps 1232: }
                   1233:
                   1234:
                   1235: /* ARGSUSED */
                   1236: static int
                   1237: termp_nd_pre(DECL_ARGS)
                   1238: {
1.25      kristaps 1239:
1.86      kristaps 1240:        if (MDOC_BODY != n->type)
1.25      kristaps 1241:                return(1);
1.30      kristaps 1242:
1.27      kristaps 1243: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1244:        term_word(p, "\\(en");
1.23      kristaps 1245: #else
                   1246:        term_word(p, "\\(em");
                   1247: #endif
1.1       kristaps 1248:        return(1);
1.115     kristaps 1249: }
                   1250:
                   1251:
                   1252: /* ARGSUSED */
                   1253: static int
                   1254: termp_bl_pre(DECL_ARGS)
                   1255: {
                   1256:
                   1257:        return(MDOC_HEAD != n->type);
1.1       kristaps 1258: }
                   1259:
                   1260:
                   1261: /* ARGSUSED */
                   1262: static void
                   1263: termp_bl_post(DECL_ARGS)
                   1264: {
                   1265:
1.86      kristaps 1266:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1267:                term_newln(p);
                   1268: }
                   1269:
                   1270:
                   1271: /* ARGSUSED */
                   1272: static void
                   1273: termp_op_post(DECL_ARGS)
                   1274: {
                   1275:
1.86      kristaps 1276:        if (MDOC_BODY != n->type)
1.1       kristaps 1277:                return;
                   1278:        p->flags |= TERMP_NOSPACE;
                   1279:        term_word(p, "\\(rB");
                   1280: }
                   1281:
                   1282:
                   1283: /* ARGSUSED */
                   1284: static int
                   1285: termp_xr_pre(DECL_ARGS)
                   1286: {
1.86      kristaps 1287:        const struct mdoc_node *nn;
1.1       kristaps 1288:
1.113     kristaps 1289:        if (NULL == n->child)
                   1290:                return(0);
                   1291:
                   1292:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1293:        nn = n->child;
1.11      kristaps 1294:
1.86      kristaps 1295:        term_word(p, nn->string);
                   1296:        if (NULL == (nn = nn->next))
1.1       kristaps 1297:                return(0);
                   1298:        p->flags |= TERMP_NOSPACE;
                   1299:        term_word(p, "(");
                   1300:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1301:        term_word(p, nn->string);
1.1       kristaps 1302:        p->flags |= TERMP_NOSPACE;
                   1303:        term_word(p, ")");
1.86      kristaps 1304:
1.1       kristaps 1305:        return(0);
                   1306: }
                   1307:
                   1308:
1.143     kristaps 1309: /*
                   1310:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1311:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1312:  * macro combos).
                   1313:  */
                   1314: static void
                   1315: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1316: {
                   1317:        /*
                   1318:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1319:         * exist, do nothing.
                   1320:         */
1.160     kristaps 1321:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1322:                return;
                   1323:
                   1324:        /*
                   1325:         * If we're the second in a pair of like elements, emit our
                   1326:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1327:         * case we soldier on.
                   1328:         */
                   1329:        if (n->prev->tok == n->tok &&
                   1330:                        MDOC_Ft != n->tok &&
                   1331:                        MDOC_Fo != n->tok &&
                   1332:                        MDOC_Fn != n->tok) {
                   1333:                term_newln(p);
                   1334:                return;
                   1335:        }
                   1336:
                   1337:        /*
                   1338:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1339:         * another (or Fn/Fo, which we've let slip through) then assert
                   1340:         * vertical space, else only newline and move on.
                   1341:         */
                   1342:        switch (n->prev->tok) {
                   1343:        case (MDOC_Fd):
                   1344:                /* FALLTHROUGH */
                   1345:        case (MDOC_Fn):
                   1346:                /* FALLTHROUGH */
                   1347:        case (MDOC_Fo):
                   1348:                /* FALLTHROUGH */
                   1349:        case (MDOC_In):
                   1350:                /* FALLTHROUGH */
                   1351:        case (MDOC_Vt):
                   1352:                term_vspace(p);
                   1353:                break;
                   1354:        case (MDOC_Ft):
                   1355:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1356:                        term_vspace(p);
                   1357:                        break;
                   1358:                }
                   1359:                /* FALLTHROUGH */
                   1360:        default:
                   1361:                term_newln(p);
                   1362:                break;
                   1363:        }
                   1364: }
                   1365:
                   1366:
1.110     kristaps 1367: static int
                   1368: termp_vt_pre(DECL_ARGS)
                   1369: {
                   1370:
1.143     kristaps 1371:        if (MDOC_ELEM == n->type) {
                   1372:                synopsis_pre(p, n);
1.110     kristaps 1373:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1374:        } else if (MDOC_BLOCK == n->type) {
                   1375:                synopsis_pre(p, n);
                   1376:                return(1);
                   1377:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1378:                return(0);
                   1379:
                   1380:        return(termp_under_pre(p, pair, m, n));
                   1381: }
                   1382:
                   1383:
1.1       kristaps 1384: /* ARGSUSED */
                   1385: static int
1.69      kristaps 1386: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1387: {
                   1388:
1.102     kristaps 1389:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1390:        return(1);
                   1391: }
                   1392:
                   1393:
                   1394: /* ARGSUSED */
1.143     kristaps 1395: static int
                   1396: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1397: {
                   1398:
1.143     kristaps 1399:        synopsis_pre(p, n);
                   1400:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1401: }
                   1402:
                   1403:
                   1404: /* ARGSUSED */
                   1405: static int
                   1406: termp_sh_pre(DECL_ARGS)
                   1407: {
1.85      kristaps 1408:
                   1409:        /* No vspace between consecutive `Sh' calls. */
                   1410:
1.86      kristaps 1411:        switch (n->type) {
1.65      kristaps 1412:        case (MDOC_BLOCK):
1.86      kristaps 1413:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1414:                        if (NULL == n->prev->body->child)
1.65      kristaps 1415:                                break;
                   1416:                term_vspace(p);
                   1417:                break;
1.1       kristaps 1418:        case (MDOC_HEAD):
1.102     kristaps 1419:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1420:                break;
                   1421:        case (MDOC_BODY):
1.157     kristaps 1422:                p->offset = term_len(p, INDENT);
1.1       kristaps 1423:                break;
                   1424:        default:
                   1425:                break;
                   1426:        }
                   1427:        return(1);
                   1428: }
                   1429:
                   1430:
                   1431: /* ARGSUSED */
                   1432: static void
                   1433: termp_sh_post(DECL_ARGS)
                   1434: {
                   1435:
1.86      kristaps 1436:        switch (n->type) {
1.1       kristaps 1437:        case (MDOC_HEAD):
                   1438:                term_newln(p);
                   1439:                break;
                   1440:        case (MDOC_BODY):
                   1441:                term_newln(p);
                   1442:                p->offset = 0;
                   1443:                break;
                   1444:        default:
                   1445:                break;
                   1446:        }
                   1447: }
                   1448:
                   1449:
                   1450: /* ARGSUSED */
                   1451: static int
                   1452: termp_op_pre(DECL_ARGS)
                   1453: {
                   1454:
1.86      kristaps 1455:        switch (n->type) {
1.1       kristaps 1456:        case (MDOC_BODY):
                   1457:                term_word(p, "\\(lB");
                   1458:                p->flags |= TERMP_NOSPACE;
                   1459:                break;
                   1460:        default:
                   1461:                break;
                   1462:        }
                   1463:        return(1);
                   1464: }
                   1465:
                   1466:
                   1467: /* ARGSUSED */
                   1468: static int
                   1469: termp_bt_pre(DECL_ARGS)
                   1470: {
                   1471:
                   1472:        term_word(p, "is currently in beta test.");
1.131     kristaps 1473:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1474:        return(0);
1.1       kristaps 1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static void
                   1480: termp_lb_post(DECL_ARGS)
                   1481: {
                   1482:
1.122     kristaps 1483:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1484:                term_newln(p);
1.1       kristaps 1485: }
                   1486:
                   1487:
                   1488: /* ARGSUSED */
                   1489: static int
                   1490: termp_ud_pre(DECL_ARGS)
                   1491: {
                   1492:
                   1493:        term_word(p, "currently under development.");
1.131     kristaps 1494:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1495:        return(0);
1.1       kristaps 1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_d1_pre(DECL_ARGS)
                   1502: {
                   1503:
1.86      kristaps 1504:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1505:                return(1);
                   1506:        term_newln(p);
1.157     kristaps 1507:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1508:        return(1);
                   1509: }
                   1510:
                   1511:
                   1512: /* ARGSUSED */
                   1513: static void
                   1514: termp_d1_post(DECL_ARGS)
                   1515: {
                   1516:
1.86      kristaps 1517:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1518:                return;
                   1519:        term_newln(p);
                   1520: }
                   1521:
                   1522:
                   1523: /* ARGSUSED */
                   1524: static int
                   1525: termp_aq_pre(DECL_ARGS)
                   1526: {
                   1527:
1.86      kristaps 1528:        if (MDOC_BODY != n->type)
1.1       kristaps 1529:                return(1);
                   1530:        term_word(p, "\\(la");
                   1531:        p->flags |= TERMP_NOSPACE;
                   1532:        return(1);
                   1533: }
                   1534:
                   1535:
                   1536: /* ARGSUSED */
                   1537: static void
                   1538: termp_aq_post(DECL_ARGS)
                   1539: {
                   1540:
1.86      kristaps 1541:        if (MDOC_BODY != n->type)
1.1       kristaps 1542:                return;
                   1543:        p->flags |= TERMP_NOSPACE;
                   1544:        term_word(p, "\\(ra");
                   1545: }
                   1546:
                   1547:
                   1548: /* ARGSUSED */
                   1549: static int
                   1550: termp_ft_pre(DECL_ARGS)
                   1551: {
                   1552:
1.141     kristaps 1553:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1554:        synopsis_pre(p, n);
1.102     kristaps 1555:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1556:        return(1);
                   1557: }
                   1558:
                   1559:
                   1560: /* ARGSUSED */
                   1561: static int
                   1562: termp_fn_pre(DECL_ARGS)
                   1563: {
1.86      kristaps 1564:        const struct mdoc_node  *nn;
1.1       kristaps 1565:
1.143     kristaps 1566:        synopsis_pre(p, n);
1.139     kristaps 1567:
1.102     kristaps 1568:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1569:        term_word(p, n->child->string);
1.102     kristaps 1570:        term_fontpop(p);
1.1       kristaps 1571:
                   1572:        p->flags |= TERMP_NOSPACE;
                   1573:        term_word(p, "(");
                   1574:
1.86      kristaps 1575:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1576:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1577:                term_word(p, nn->string);
1.102     kristaps 1578:                term_fontpop(p);
                   1579:
1.86      kristaps 1580:                if (nn->next)
1.1       kristaps 1581:                        term_word(p, ",");
                   1582:        }
                   1583:
                   1584:        term_word(p, ")");
                   1585:
1.160     kristaps 1586:        if (MDOC_SYNPRETTY & n->flags)
1.1       kristaps 1587:                term_word(p, ";");
                   1588:
                   1589:        return(0);
                   1590: }
                   1591:
                   1592:
                   1593: /* ARGSUSED */
                   1594: static int
                   1595: termp_fa_pre(DECL_ARGS)
                   1596: {
1.86      kristaps 1597:        const struct mdoc_node  *nn;
1.1       kristaps 1598:
1.86      kristaps 1599:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1600:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1601:                return(1);
                   1602:        }
                   1603:
1.86      kristaps 1604:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1605:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1606:                term_word(p, nn->string);
1.102     kristaps 1607:                term_fontpop(p);
                   1608:
1.86      kristaps 1609:                if (nn->next)
1.1       kristaps 1610:                        term_word(p, ",");
                   1611:        }
                   1612:
1.86      kristaps 1613:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1614:                term_word(p, ",");
                   1615:
                   1616:        return(0);
                   1617: }
                   1618:
                   1619:
                   1620: /* ARGSUSED */
                   1621: static int
                   1622: termp_bd_pre(DECL_ARGS)
                   1623: {
1.179     kristaps 1624:        size_t                   tabwidth, rm, rmax;
1.85      kristaps 1625:        const struct mdoc_node  *nn;
1.1       kristaps 1626:
1.86      kristaps 1627:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1628:                print_bvspace(p, n, n);
1.54      kristaps 1629:                return(1);
1.116     kristaps 1630:        } else if (MDOC_HEAD == n->type)
                   1631:                return(0);
1.1       kristaps 1632:
1.165     kristaps 1633:        assert(n->data.Bd);
                   1634:        if (n->data.Bd->offs)
                   1635:                p->offset += a2offs(p, n->data.Bd->offs);
1.85      kristaps 1636:
                   1637:        /*
                   1638:         * If -ragged or -filled are specified, the block does nothing
                   1639:         * but change the indentation.  If -unfilled or -literal are
                   1640:         * specified, text is printed exactly as entered in the display:
                   1641:         * for macro lines, a newline is appended to the line.  Blank
                   1642:         * lines are allowed.
                   1643:         */
1.60      kristaps 1644:
1.165     kristaps 1645:        if (DISP_literal != n->data.Bd->type &&
                   1646:                        DISP_unfilled != n->data.Bd->type)
1.1       kristaps 1647:                return(1);
                   1648:
1.129     schwarze 1649:        tabwidth = p->tabwidth;
1.157     kristaps 1650:        p->tabwidth = term_len(p, 8);
1.119     kristaps 1651:        rm = p->rmargin;
                   1652:        rmax = p->maxrmargin;
1.120     kristaps 1653:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1654:
1.86      kristaps 1655:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1656:                print_mdoc_node(p, pair, m, nn);
1.180   ! schwarze 1657:                if (nn->next && nn->next->line == nn->line)
        !          1658:                        continue;
        !          1659:                term_flushln(p);
        !          1660:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1661:        }
1.147     kristaps 1662:
1.129     schwarze 1663:        p->tabwidth = tabwidth;
1.119     kristaps 1664:        p->rmargin = rm;
                   1665:        p->maxrmargin = rmax;
1.1       kristaps 1666:        return(0);
                   1667: }
                   1668:
                   1669:
                   1670: /* ARGSUSED */
                   1671: static void
                   1672: termp_bd_post(DECL_ARGS)
                   1673: {
1.119     kristaps 1674:        size_t           rm, rmax;
1.1       kristaps 1675:
1.86      kristaps 1676:        if (MDOC_BODY != n->type)
1.1       kristaps 1677:                return;
1.118     kristaps 1678:
1.119     kristaps 1679:        rm = p->rmargin;
                   1680:        rmax = p->maxrmargin;
1.118     kristaps 1681:
1.165     kristaps 1682:        assert(n->data.Bd);
                   1683:        if (DISP_literal == n->data.Bd->type ||
                   1684:                        DISP_unfilled == n->data.Bd->type)
1.120     kristaps 1685:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1686:
1.60      kristaps 1687:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1688:        term_newln(p);
1.118     kristaps 1689:
1.119     kristaps 1690:        p->rmargin = rm;
                   1691:        p->maxrmargin = rmax;
1.1       kristaps 1692: }
                   1693:
                   1694:
                   1695: /* ARGSUSED */
                   1696: static int
                   1697: termp_qq_pre(DECL_ARGS)
                   1698: {
                   1699:
1.86      kristaps 1700:        if (MDOC_BODY != n->type)
1.1       kristaps 1701:                return(1);
                   1702:        term_word(p, "\"");
                   1703:        p->flags |= TERMP_NOSPACE;
                   1704:        return(1);
                   1705: }
                   1706:
                   1707:
                   1708: /* ARGSUSED */
                   1709: static void
                   1710: termp_qq_post(DECL_ARGS)
                   1711: {
                   1712:
1.86      kristaps 1713:        if (MDOC_BODY != n->type)
1.1       kristaps 1714:                return;
                   1715:        p->flags |= TERMP_NOSPACE;
                   1716:        term_word(p, "\"");
                   1717: }
                   1718:
                   1719:
                   1720: /* ARGSUSED */
                   1721: static void
                   1722: termp_bx_post(DECL_ARGS)
                   1723: {
                   1724:
1.86      kristaps 1725:        if (n->child)
1.1       kristaps 1726:                p->flags |= TERMP_NOSPACE;
                   1727:        term_word(p, "BSD");
                   1728: }
                   1729:
                   1730:
                   1731: /* ARGSUSED */
                   1732: static int
1.26      kristaps 1733: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1734: {
1.26      kristaps 1735:        const char      *pp;
1.1       kristaps 1736:
1.26      kristaps 1737:        pp = NULL;
1.86      kristaps 1738:        switch (n->tok) {
1.26      kristaps 1739:        case (MDOC_Bsx):
                   1740:                pp = "BSDI BSD/OS";
                   1741:                break;
                   1742:        case (MDOC_Dx):
1.100     kristaps 1743:                pp = "DragonFly";
1.26      kristaps 1744:                break;
                   1745:        case (MDOC_Fx):
                   1746:                pp = "FreeBSD";
                   1747:                break;
                   1748:        case (MDOC_Nx):
                   1749:                pp = "NetBSD";
                   1750:                break;
                   1751:        case (MDOC_Ox):
                   1752:                pp = "OpenBSD";
                   1753:                break;
                   1754:        case (MDOC_Ux):
                   1755:                pp = "UNIX";
                   1756:                break;
                   1757:        default:
                   1758:                break;
                   1759:        }
1.1       kristaps 1760:
1.26      kristaps 1761:        assert(pp);
                   1762:        term_word(p, pp);
1.1       kristaps 1763:        return(1);
                   1764: }
                   1765:
                   1766:
                   1767: /* ARGSUSED */
                   1768: static int
                   1769: termp_sq_pre(DECL_ARGS)
                   1770: {
                   1771:
1.86      kristaps 1772:        if (MDOC_BODY != n->type)
1.1       kristaps 1773:                return(1);
                   1774:        term_word(p, "\\(oq");
                   1775:        p->flags |= TERMP_NOSPACE;
                   1776:        return(1);
                   1777: }
                   1778:
                   1779:
                   1780: /* ARGSUSED */
                   1781: static void
                   1782: termp_sq_post(DECL_ARGS)
                   1783: {
                   1784:
1.86      kristaps 1785:        if (MDOC_BODY != n->type)
1.1       kristaps 1786:                return;
                   1787:        p->flags |= TERMP_NOSPACE;
                   1788:        term_word(p, "\\(aq");
                   1789: }
                   1790:
                   1791:
                   1792: /* ARGSUSED */
                   1793: static int
                   1794: termp_pf_pre(DECL_ARGS)
                   1795: {
                   1796:
                   1797:        p->flags |= TERMP_IGNDELIM;
                   1798:        return(1);
                   1799: }
                   1800:
                   1801:
                   1802: /* ARGSUSED */
                   1803: static void
                   1804: termp_pf_post(DECL_ARGS)
                   1805: {
                   1806:
                   1807:        p->flags &= ~TERMP_IGNDELIM;
                   1808:        p->flags |= TERMP_NOSPACE;
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static int
                   1814: termp_ss_pre(DECL_ARGS)
                   1815: {
                   1816:
1.86      kristaps 1817:        switch (n->type) {
1.1       kristaps 1818:        case (MDOC_BLOCK):
                   1819:                term_newln(p);
1.86      kristaps 1820:                if (n->prev)
1.1       kristaps 1821:                        term_vspace(p);
                   1822:                break;
                   1823:        case (MDOC_HEAD):
1.102     kristaps 1824:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1825:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1826:                break;
                   1827:        default:
                   1828:                break;
                   1829:        }
                   1830:
                   1831:        return(1);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static void
                   1837: termp_ss_post(DECL_ARGS)
                   1838: {
                   1839:
1.86      kristaps 1840:        if (MDOC_HEAD == n->type)
1.1       kristaps 1841:                term_newln(p);
                   1842: }
                   1843:
                   1844:
                   1845: /* ARGSUSED */
                   1846: static int
                   1847: termp_cd_pre(DECL_ARGS)
                   1848: {
                   1849:
1.143     kristaps 1850:        synopsis_pre(p, n);
1.102     kristaps 1851:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1852:        return(1);
                   1853: }
                   1854:
                   1855:
                   1856: /* ARGSUSED */
                   1857: static int
                   1858: termp_in_pre(DECL_ARGS)
                   1859: {
1.142     schwarze 1860:
1.143     kristaps 1861:        synopsis_pre(p, n);
1.1       kristaps 1862:
1.160     kristaps 1863:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1864:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1865:                term_word(p, "#include");
1.138     kristaps 1866:                term_word(p, "<");
                   1867:        } else {
                   1868:                term_word(p, "<");
                   1869:                term_fontpush(p, TERMFONT_UNDER);
                   1870:        }
1.22      kristaps 1871:
1.1       kristaps 1872:        p->flags |= TERMP_NOSPACE;
                   1873:        return(1);
                   1874: }
                   1875:
                   1876:
                   1877: /* ARGSUSED */
                   1878: static void
                   1879: termp_in_post(DECL_ARGS)
                   1880: {
                   1881:
1.160     kristaps 1882:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1883:                term_fontpush(p, TERMFONT_BOLD);
                   1884:
1.79      kristaps 1885:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1886:        term_word(p, ">");
                   1887:
1.160     kristaps 1888:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1889:                term_fontpop(p);
1.1       kristaps 1890: }
                   1891:
                   1892:
                   1893: /* ARGSUSED */
                   1894: static int
1.45      kristaps 1895: termp_sp_pre(DECL_ARGS)
                   1896: {
1.91      kristaps 1897:        size_t           i, len;
1.45      kristaps 1898:
1.86      kristaps 1899:        switch (n->tok) {
1.76      kristaps 1900:        case (MDOC_sp):
1.157     kristaps 1901:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1902:                break;
                   1903:        case (MDOC_br):
                   1904:                len = 0;
                   1905:                break;
                   1906:        default:
1.175     kristaps 1907:                assert(n->parent);
                   1908:                if ((NULL == n->next || NULL == n->prev) &&
                   1909:                                (MDOC_Ss == n->parent->tok ||
                   1910:                                 MDOC_Sh == n->parent->tok))
                   1911:                        return(0);
1.76      kristaps 1912:                len = 1;
                   1913:                break;
1.45      kristaps 1914:        }
                   1915:
                   1916:        if (0 == len)
                   1917:                term_newln(p);
                   1918:        for (i = 0; i < len; i++)
                   1919:                term_vspace(p);
                   1920:
                   1921:        return(0);
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static int
1.1       kristaps 1927: termp_brq_pre(DECL_ARGS)
                   1928: {
                   1929:
1.86      kristaps 1930:        if (MDOC_BODY != n->type)
1.1       kristaps 1931:                return(1);
                   1932:        term_word(p, "\\(lC");
                   1933:        p->flags |= TERMP_NOSPACE;
                   1934:        return(1);
                   1935: }
                   1936:
                   1937:
                   1938: /* ARGSUSED */
                   1939: static void
                   1940: termp_brq_post(DECL_ARGS)
                   1941: {
                   1942:
1.86      kristaps 1943:        if (MDOC_BODY != n->type)
1.1       kristaps 1944:                return;
                   1945:        p->flags |= TERMP_NOSPACE;
                   1946:        term_word(p, "\\(rC");
                   1947: }
                   1948:
                   1949:
                   1950: /* ARGSUSED */
                   1951: static int
                   1952: termp_bq_pre(DECL_ARGS)
                   1953: {
                   1954:
1.86      kristaps 1955:        if (MDOC_BODY != n->type)
1.1       kristaps 1956:                return(1);
                   1957:        term_word(p, "\\(lB");
                   1958:        p->flags |= TERMP_NOSPACE;
                   1959:        return(1);
                   1960: }
                   1961:
                   1962:
                   1963: /* ARGSUSED */
                   1964: static void
                   1965: termp_bq_post(DECL_ARGS)
                   1966: {
                   1967:
1.86      kristaps 1968:        if (MDOC_BODY != n->type)
1.1       kristaps 1969:                return;
                   1970:        p->flags |= TERMP_NOSPACE;
                   1971:        term_word(p, "\\(rB");
                   1972: }
                   1973:
                   1974:
                   1975: /* ARGSUSED */
                   1976: static int
                   1977: termp_pq_pre(DECL_ARGS)
                   1978: {
                   1979:
1.86      kristaps 1980:        if (MDOC_BODY != n->type)
1.1       kristaps 1981:                return(1);
                   1982:        term_word(p, "\\&(");
                   1983:        p->flags |= TERMP_NOSPACE;
                   1984:        return(1);
                   1985: }
                   1986:
                   1987:
                   1988: /* ARGSUSED */
                   1989: static void
                   1990: termp_pq_post(DECL_ARGS)
                   1991: {
                   1992:
1.86      kristaps 1993:        if (MDOC_BODY != n->type)
1.1       kristaps 1994:                return;
                   1995:        term_word(p, ")");
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static int
                   2001: termp_fo_pre(DECL_ARGS)
                   2002: {
                   2003:
1.141     kristaps 2004:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2005:                synopsis_pre(p, n);
1.141     kristaps 2006:                return(1);
                   2007:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2008:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2009:                term_word(p, "(");
                   2010:                p->flags |= TERMP_NOSPACE;
                   2011:                return(1);
1.141     kristaps 2012:        }
                   2013:
1.169     kristaps 2014:        if (NULL == n->child)
                   2015:                return(0);
                   2016:
1.141     kristaps 2017:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2018:
1.141     kristaps 2019:        assert(n->child->string);
1.102     kristaps 2020:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2021:        term_word(p, n->child->string);
1.1       kristaps 2022:        return(0);
                   2023: }
                   2024:
                   2025:
                   2026: /* ARGSUSED */
                   2027: static void
                   2028: termp_fo_post(DECL_ARGS)
                   2029: {
                   2030:
1.143     kristaps 2031:        if (MDOC_BODY != n->type)
                   2032:                return;
                   2033:
                   2034:        p->flags |= TERMP_NOSPACE;
                   2035:        term_word(p, ")");
                   2036:
1.160     kristaps 2037:        if (MDOC_SYNPRETTY & n->flags) {
1.141     kristaps 2038:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2039:                term_word(p, ";");
1.141     kristaps 2040:        }
1.1       kristaps 2041: }
                   2042:
                   2043:
                   2044: /* ARGSUSED */
                   2045: static int
                   2046: termp_bf_pre(DECL_ARGS)
                   2047: {
                   2048:
1.86      kristaps 2049:        if (MDOC_HEAD == n->type)
1.1       kristaps 2050:                return(0);
1.86      kristaps 2051:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2052:                return(1);
                   2053:
1.167     kristaps 2054:        assert(n->data.Bf);
1.1       kristaps 2055:
1.167     kristaps 2056:        if (FONT_Em == n->data.Bf->font)
1.102     kristaps 2057:                term_fontpush(p, TERMFONT_UNDER);
1.167     kristaps 2058:        else if (FONT_Sy == n->data.Bf->font)
1.102     kristaps 2059:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2060:        else
1.102     kristaps 2061:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2062:
                   2063:        return(1);
                   2064: }
                   2065:
                   2066:
                   2067: /* ARGSUSED */
                   2068: static int
                   2069: termp_sm_pre(DECL_ARGS)
                   2070: {
                   2071:
1.86      kristaps 2072:        assert(n->child && MDOC_TEXT == n->child->type);
1.174     schwarze 2073:        if (0 == strcmp("on", n->child->string)) {
                   2074:                if (p->col)
                   2075:                        p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2076:                p->flags &= ~TERMP_NONOSPACE;
1.174     schwarze 2077:        } else
1.1       kristaps 2078:                p->flags |= TERMP_NONOSPACE;
                   2079:
                   2080:        return(0);
                   2081: }
                   2082:
                   2083:
                   2084: /* ARGSUSED */
                   2085: static int
                   2086: termp_ap_pre(DECL_ARGS)
                   2087: {
                   2088:
                   2089:        p->flags |= TERMP_NOSPACE;
                   2090:        term_word(p, "\\(aq");
                   2091:        p->flags |= TERMP_NOSPACE;
                   2092:        return(1);
                   2093: }
                   2094:
                   2095:
                   2096: /* ARGSUSED */
                   2097: static void
                   2098: termp____post(DECL_ARGS)
                   2099: {
                   2100:
1.95      kristaps 2101:        /* TODO: %U. */
                   2102:
1.1       kristaps 2103:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2104:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2105: }
                   2106:
                   2107:
                   2108: /* ARGSUSED */
                   2109: static int
1.102     kristaps 2110: termp_li_pre(DECL_ARGS)
                   2111: {
                   2112:
                   2113:        term_fontpush(p, TERMFONT_NONE);
                   2114:        return(1);
                   2115: }
                   2116:
                   2117:
                   2118: /* ARGSUSED */
                   2119: static int
1.1       kristaps 2120: termp_lk_pre(DECL_ARGS)
                   2121: {
1.86      kristaps 2122:        const struct mdoc_node *nn;
1.1       kristaps 2123:
1.102     kristaps 2124:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2125:        nn = n->child;
                   2126:
                   2127:        if (NULL == nn->next)
1.12      kristaps 2128:                return(1);
                   2129:
1.86      kristaps 2130:        term_word(p, nn->string);
1.102     kristaps 2131:        term_fontpop(p);
1.96      kristaps 2132:
1.1       kristaps 2133:        p->flags |= TERMP_NOSPACE;
                   2134:        term_word(p, ":");
                   2135:
1.102     kristaps 2136:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2137:        for (nn = nn->next; nn; nn = nn->next)
                   2138:                term_word(p, nn->string);
1.102     kristaps 2139:        term_fontpop(p);
1.12      kristaps 2140:
1.1       kristaps 2141:        return(0);
                   2142: }
                   2143:
1.159     schwarze 2144:
                   2145: /* ARGSUSED */
                   2146: static int
                   2147: termp_bk_pre(DECL_ARGS)
                   2148: {
                   2149:
1.161     schwarze 2150:        switch (n->type) {
                   2151:        case (MDOC_BLOCK):
1.166     kristaps 2152:                break;
1.161     schwarze 2153:        case (MDOC_HEAD):
                   2154:                return(0);
                   2155:        case (MDOC_BODY):
                   2156:                p->flags |= TERMP_PREKEEP;
1.166     kristaps 2157:                break;
1.161     schwarze 2158:        default:
                   2159:                abort();
1.166     kristaps 2160:                /* NOTREACHED */
1.161     schwarze 2161:        }
1.166     kristaps 2162:
                   2163:        return(1);
1.159     schwarze 2164: }
                   2165:
                   2166:
                   2167: /* ARGSUSED */
                   2168: static void
                   2169: termp_bk_post(DECL_ARGS)
                   2170: {
                   2171:
1.161     schwarze 2172:        if (MDOC_BODY == n->type)
                   2173:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.159     schwarze 2174: }
1.1       kristaps 2175:
                   2176: /* ARGSUSED */
                   2177: static int
1.69      kristaps 2178: termp_under_pre(DECL_ARGS)
1.1       kristaps 2179: {
                   2180:
1.102     kristaps 2181:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2182:        return(1);
                   2183: }

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