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Annotation of mandoc/mdoc_term.c, Revision 1.170

1.170   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.169 2010/07/03 17:17:15 kristaps Exp $ */
1.1       kristaps    2: /*
1.156     kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.92      kristaps   31: #include "out.h"
1.1       kristaps   32: #include "term.h"
1.158     kristaps   33: #include "regs.h"
1.1       kristaps   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 */
                    154:        { NULL, NULL }, /* Ad */
1.61      kristaps  155:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  156:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  157:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  158:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  159:        { NULL, NULL }, /* Dv */
                    160:        { NULL, NULL }, /* Er */
                    161:        { NULL, NULL }, /* Ev */
                    162:        { termp_ex_pre, NULL }, /* Ex */
                    163:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  164:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  165:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  166:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  167:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  168:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  169:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  170:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  171:        { termp_nd_pre, NULL }, /* Nd */
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 */
1.80      kristaps  211:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  212:        { NULL, NULL }, /* No */
                    213:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  214:        { termp_xx_pre, NULL }, /* Nx */
                    215:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  216:        { NULL, NULL }, /* Pc */
                    217:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    218:        { termp_pq_pre, termp_pq_post }, /* Po */
                    219:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    220:        { NULL, NULL }, /* Qc */
                    221:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    222:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    224:        { NULL, NULL }, /* Re */
                    225:        { termp_rs_pre, NULL }, /* Rs */
                    226:        { NULL, NULL }, /* Sc */
                    227:        { termp_sq_pre, termp_sq_post }, /* So */
                    228:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    229:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  230:        { termp_under_pre, NULL }, /* Sx */
                    231:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  232:        { NULL, NULL }, /* Tn */
1.26      kristaps  233:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  234:        { NULL, NULL }, /* Xc */
                    235:        { NULL, NULL }, /* Xo */
                    236:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    237:        { NULL, NULL }, /* Fc */
                    238:        { termp_op_pre, termp_op_post }, /* Oo */
                    239:        { NULL, NULL }, /* Oc */
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);
1.102     kristaps  331:
1.86      kristaps  332:        if (chld && n->child)
1.102     kristaps  333:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  334:
1.102     kristaps  335:        term_fontpopq(p, font);
1.46      kristaps  336:
1.165     kristaps  337:        if (MDOC_TEXT != n->type && termacts[n->tok].post &&
                    338:                        ! (MDOC_ENDED & n->flags)) {
                    339:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  340:
                    341:                /*
                    342:                 * Explicit end tokens not only call the post
                    343:                 * handler, but also tell the respective block
                    344:                 * that it must not call the post handler again.
                    345:                 */
1.165     kristaps  346:                if (ENDBODY_NOT != n->end)
1.162     schwarze  347:                        n->pending->flags |= MDOC_ENDED;
                    348:
                    349:                /*
                    350:                 * End of line terminating an implicit block
                    351:                 * while an explicit block is still open.
                    352:                 * Continue the explicit block without spacing.
                    353:                 */
                    354:                if (ENDBODY_NOSPACE == n->end)
                    355:                        p->flags |= TERMP_NOSPACE;
                    356:        }
1.121     kristaps  357:
                    358:        if (MDOC_EOS & n->flags)
                    359:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  360:
                    361:        p->offset = offset;
1.30      kristaps  362:        p->rmargin = rmargin;
1.1       kristaps  363: }
                    364:
                    365:
1.3       kristaps  366: static void
1.145     kristaps  367: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  368: {
1.98      kristaps  369:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  370:        const struct mdoc_meta *m;
                    371:
                    372:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  373:
1.102     kristaps  374:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  375:
1.9       kristaps  376:        /*
                    377:         * Output the footer in new-groff style, that is, three columns
                    378:         * with the middle being the manual date and flanking columns
                    379:         * being the operating system:
                    380:         *
                    381:         * SYSTEM                  DATE                    SYSTEM
                    382:         */
                    383:
1.94      kristaps  384:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  385:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  386:
                    387:        term_vspace(p);
                    388:
1.9       kristaps  389:        p->offset = 0;
1.157     kristaps  390:        p->rmargin = (p->maxrmargin -
                    391:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  392:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    393:
                    394:        term_word(p, os);
                    395:        term_flushln(p);
                    396:
1.9       kristaps  397:        p->offset = p->rmargin;
1.157     kristaps  398:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  399:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  400:
                    401:        term_word(p, buf);
                    402:        term_flushln(p);
                    403:
1.1       kristaps  404:        p->offset = p->rmargin;
                    405:        p->rmargin = p->maxrmargin;
                    406:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  407:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  408:
1.9       kristaps  409:        term_word(p, os);
1.1       kristaps  410:        term_flushln(p);
                    411:
1.9       kristaps  412:        p->offset = 0;
                    413:        p->rmargin = p->maxrmargin;
                    414:        p->flags = 0;
1.1       kristaps  415: }
                    416:
                    417:
1.3       kristaps  418: static void
1.144     kristaps  419: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  420: {
1.98      kristaps  421:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  422:        const struct mdoc_meta *m;
                    423:
                    424:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  425:
                    426:        p->rmargin = p->maxrmargin;
                    427:        p->offset = 0;
                    428:
                    429:        /*
                    430:         * The header is strange.  It has three components, which are
                    431:         * really two with the first duplicated.  It goes like this:
                    432:         *
                    433:         * IDENTIFIER              TITLE                   IDENTIFIER
                    434:         *
                    435:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    436:         * (if given, or "unknown" if not) followed by the manual page
                    437:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    438:         * string depending on the manual volume.  If not specified, it
                    439:         * switches on the manual section.
                    440:         */
                    441:
1.86      kristaps  442:        assert(m->vol);
1.98      kristaps  443:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  444:
1.86      kristaps  445:        if (m->arch) {
1.98      kristaps  446:                strlcat(buf, " (", BUFSIZ);
                    447:                strlcat(buf, m->arch, BUFSIZ);
                    448:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  449:        }
                    450:
1.124     kristaps  451:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  452:
                    453:        p->offset = 0;
1.157     kristaps  454:        p->rmargin = (p->maxrmargin -
                    455:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  456:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    457:
                    458:        term_word(p, title);
                    459:        term_flushln(p);
                    460:
                    461:        p->offset = p->rmargin;
1.157     kristaps  462:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  463:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  464:
                    465:        term_word(p, buf);
                    466:        term_flushln(p);
                    467:
                    468:        p->offset = p->rmargin;
                    469:        p->rmargin = p->maxrmargin;
                    470:        p->flags &= ~TERMP_NOBREAK;
                    471:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    472:
                    473:        term_word(p, title);
                    474:        term_flushln(p);
                    475:
1.9       kristaps  476:        p->offset = 0;
1.1       kristaps  477:        p->rmargin = p->maxrmargin;
                    478:        p->flags &= ~TERMP_NOSPACE;
                    479: }
                    480:
                    481:
                    482: static size_t
1.157     kristaps  483: a2height(const struct termp *p, const char *v)
1.1       kristaps  484: {
1.92      kristaps  485:        struct roffsu    su;
1.91      kristaps  486:
1.157     kristaps  487:        assert(v);
                    488:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    489:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  490:
1.157     kristaps  491:        return(term_vspan(p, &su));
1.91      kristaps  492: }
1.1       kristaps  493:
1.40      kristaps  494:
1.91      kristaps  495: static size_t
1.157     kristaps  496: a2width(const struct termp *p, const char *v)
1.91      kristaps  497: {
1.92      kristaps  498:        struct roffsu    su;
1.1       kristaps  499:
1.154     kristaps  500:        assert(v);
                    501:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  502:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  503:
1.157     kristaps  504:        return(term_hspan(p, &su));
1.1       kristaps  505: }
                    506:
                    507:
                    508: static size_t
1.157     kristaps  509: a2offs(const struct termp *p, const char *v)
1.1       kristaps  510: {
1.92      kristaps  511:        struct roffsu    su;
1.1       kristaps  512:
1.148     kristaps  513:        if ('\0' == *v)
1.91      kristaps  514:                return(0);
1.148     kristaps  515:        else if (0 == strcmp(v, "left"))
1.19      kristaps  516:                return(0);
1.148     kristaps  517:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  518:                return(term_len(p, INDENT + 1));
1.148     kristaps  519:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  520:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  521:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  522:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  523:
1.157     kristaps  524:        return(term_hspan(p, &su));
1.1       kristaps  525: }
                    526:
                    527:
1.108     kristaps  528: /*
                    529:  * Determine how much space to print out before block elements of `It'
                    530:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    531:  * too.
                    532:  */
1.54      kristaps  533: static void
1.151     kristaps  534: print_bvspace(struct termp *p,
                    535:                const struct mdoc_node *bl,
                    536:                const struct mdoc_node *n)
1.1       kristaps  537: {
1.86      kristaps  538:        const struct mdoc_node  *nn;
1.1       kristaps  539:
                    540:        term_newln(p);
1.150     kristaps  541:
1.165     kristaps  542:        if (MDOC_Bd == bl->tok && bl->data.Bd->comp)
1.150     kristaps  543:                return;
1.165     kristaps  544:        if (MDOC_Bl == bl->tok && bl->data.Bl->comp)
1.54      kristaps  545:                return;
                    546:
1.85      kristaps  547:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  548:
1.86      kristaps  549:        for (nn = n; nn; nn = nn->parent) {
                    550:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  551:                        continue;
1.86      kristaps  552:                if (MDOC_Ss == nn->tok)
1.54      kristaps  553:                        return;
1.86      kristaps  554:                if (MDOC_Sh == nn->tok)
1.54      kristaps  555:                        return;
1.86      kristaps  556:                if (NULL == nn->prev)
1.1       kristaps  557:                        continue;
                    558:                break;
                    559:        }
                    560:
1.85      kristaps  561:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  562:
1.165     kristaps  563:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl->type)
1.86      kristaps  564:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  565:                        return;
                    566:
1.85      kristaps  567:        /* A `-diag' without body does not vspace. */
                    568:
1.165     kristaps  569:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl->type)
1.86      kristaps  570:                if (n->prev && MDOC_It == n->prev->tok) {
                    571:                        assert(n->prev->body);
                    572:                        if (NULL == n->prev->body->child)
1.55      kristaps  573:                                return;
                    574:                }
                    575:
1.54      kristaps  576:        term_vspace(p);
1.1       kristaps  577: }
                    578:
                    579:
                    580: /* ARGSUSED */
                    581: static int
                    582: termp_dq_pre(DECL_ARGS)
                    583: {
                    584:
1.86      kristaps  585:        if (MDOC_BODY != n->type)
1.1       kristaps  586:                return(1);
                    587:
                    588:        term_word(p, "\\(lq");
                    589:        p->flags |= TERMP_NOSPACE;
                    590:        return(1);
                    591: }
                    592:
                    593:
                    594: /* ARGSUSED */
                    595: static void
                    596: termp_dq_post(DECL_ARGS)
                    597: {
                    598:
1.86      kristaps  599:        if (MDOC_BODY != n->type)
1.1       kristaps  600:                return;
                    601:
                    602:        p->flags |= TERMP_NOSPACE;
                    603:        term_word(p, "\\(rq");
                    604: }
                    605:
                    606:
                    607: /* ARGSUSED */
                    608: static int
                    609: termp_it_pre(DECL_ARGS)
                    610: {
1.86      kristaps  611:        const struct mdoc_node *bl, *nn;
1.1       kristaps  612:        char                    buf[7];
1.170   ! kristaps  613:        int                     i;
1.108     kristaps  614:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  615:        enum mdoc_list          type;
1.1       kristaps  616:
1.86      kristaps  617:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  618:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  619:                return(1);
                    620:        }
1.1       kristaps  621:
1.86      kristaps  622:        bl = n->parent->parent->parent;
1.165     kristaps  623:        assert(bl->data.Bl);
                    624:        type = bl->data.Bl->type;
1.1       kristaps  625:
1.108     kristaps  626:        /*
                    627:         * First calculate width and offset.  This is pretty easy unless
                    628:         * we're a -column list, in which case all prior columns must
                    629:         * be accounted for.
                    630:         */
                    631:
                    632:        width = offset = 0;
                    633:
1.165     kristaps  634:        if (bl->data.Bl->offs)
                    635:                offset = a2offs(p, bl->data.Bl->offs);
1.152     kristaps  636:
1.1       kristaps  637:        switch (type) {
1.126     kristaps  638:        case (LIST_column):
1.134     kristaps  639:                if (MDOC_HEAD == n->type)
1.1       kristaps  640:                        break;
1.155     kristaps  641:
1.105     kristaps  642:                /*
1.108     kristaps  643:                 * Imitate groff's column handling:
                    644:                 * - For each earlier column, add its width.
                    645:                 * - For less than 5 columns, add four more blanks per
                    646:                 *   column.
                    647:                 * - For exactly 5 columns, add three more blank per
                    648:                 *   column.
                    649:                 * - For more than 5 columns, add only one column.
1.105     kristaps  650:                 */
1.170   ! kristaps  651:                ncols = bl->data.Bl->ncols;
        !           652:
1.108     kristaps  653:                /* LINTED */
1.157     kristaps  654:                dcol = ncols < 5 ? term_len(p, 4) :
                    655:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  656:
1.134     kristaps  657:                /*
                    658:                 * Calculate the offset by applying all prior MDOC_BODY,
                    659:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    660:                 */
                    661:
1.108     kristaps  662:                for (i = 0, nn = n->prev;
1.134     kristaps  663:                                nn->prev && i < (int)ncols;
1.108     kristaps  664:                                nn = nn->prev, i++)
                    665:                        offset += dcol + a2width
1.170   ! kristaps  666:                                (p, bl->data.Bl->cols[i]);
1.105     kristaps  667:
                    668:                /*
1.108     kristaps  669:                 * When exceeding the declared number of columns, leave
                    670:                 * the remaining widths at 0.  This will later be
                    671:                 * adjusted to the default width of 10, or, for the last
                    672:                 * column, stretched to the right margin.
1.58      kristaps  673:                 */
1.108     kristaps  674:                if (i >= (int)ncols)
                    675:                        break;
1.58      kristaps  676:
1.105     kristaps  677:                /*
1.108     kristaps  678:                 * Use the declared column widths, extended as explained
                    679:                 * in the preceding paragraph.
1.105     kristaps  680:                 */
1.170   ! kristaps  681:                width = a2width(p, bl->data.Bl->cols[i]) + dcol;
1.1       kristaps  682:                break;
                    683:        default:
1.165     kristaps  684:                if (NULL == bl->data.Bl->width)
1.108     kristaps  685:                        break;
                    686:
                    687:                /*
                    688:                 * Note: buffer the width by 2, which is groff's magic
                    689:                 * number for buffering single arguments.  See the above
                    690:                 * handling for column for how this changes.
                    691:                 */
1.165     kristaps  692:                assert(bl->data.Bl->width);
                    693:                width = a2width(p, bl->data.Bl->width) + term_len(p, 2);
1.1       kristaps  694:                break;
                    695:        }
                    696:
                    697:        /*
                    698:         * List-type can override the width in the case of fixed-head
                    699:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  700:         * offset.
1.1       kristaps  701:         */
                    702:
                    703:        switch (type) {
1.126     kristaps  704:        case (LIST_bullet):
1.1       kristaps  705:                /* FALLTHROUGH */
1.126     kristaps  706:        case (LIST_dash):
1.1       kristaps  707:                /* FALLTHROUGH */
1.126     kristaps  708:        case (LIST_hyphen):
1.157     kristaps  709:                if (width < term_len(p, 4))
                    710:                        width = term_len(p, 4);
1.1       kristaps  711:                break;
1.126     kristaps  712:        case (LIST_enum):
1.157     kristaps  713:                if (width < term_len(p, 5))
                    714:                        width = term_len(p, 5);
1.17      kristaps  715:                break;
1.126     kristaps  716:        case (LIST_hang):
1.39      kristaps  717:                if (0 == width)
1.157     kristaps  718:                        width = term_len(p, 8);
1.39      kristaps  719:                break;
1.126     kristaps  720:        case (LIST_column):
1.49      kristaps  721:                /* FALLTHROUGH */
1.126     kristaps  722:        case (LIST_tag):
1.1       kristaps  723:                if (0 == width)
1.157     kristaps  724:                        width = term_len(p, 10);
1.1       kristaps  725:                break;
                    726:        default:
                    727:                break;
                    728:        }
                    729:
                    730:        /*
1.17      kristaps  731:         * Whitespace control.  Inset bodies need an initial space,
                    732:         * while diagonal bodies need two.
1.1       kristaps  733:         */
                    734:
1.51      kristaps  735:        p->flags |= TERMP_NOSPACE;
                    736:
1.1       kristaps  737:        switch (type) {
1.126     kristaps  738:        case (LIST_diag):
1.86      kristaps  739:                if (MDOC_BODY == n->type)
1.62      kristaps  740:                        term_word(p, "\\ \\ ");
1.51      kristaps  741:                break;
1.126     kristaps  742:        case (LIST_inset):
1.86      kristaps  743:                if (MDOC_BODY == n->type)
1.51      kristaps  744:                        term_word(p, "\\ ");
1.1       kristaps  745:                break;
                    746:        default:
                    747:                break;
                    748:        }
                    749:
1.51      kristaps  750:        p->flags |= TERMP_NOSPACE;
                    751:
1.1       kristaps  752:        switch (type) {
1.126     kristaps  753:        case (LIST_diag):
1.86      kristaps  754:                if (MDOC_HEAD == n->type)
1.102     kristaps  755:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  756:                break;
                    757:        default:
                    758:                break;
                    759:        }
                    760:
                    761:        /*
1.109     kristaps  762:         * Pad and break control.  This is the tricky part.  These flags
                    763:         * are documented in term_flushln() in term.c.  Note that we're
                    764:         * going to unset all of these flags in termp_it_post() when we
                    765:         * exit.
1.1       kristaps  766:         */
                    767:
                    768:        switch (type) {
1.126     kristaps  769:        case (LIST_bullet):
1.1       kristaps  770:                /* FALLTHROUGH */
1.126     kristaps  771:        case (LIST_dash):
1.1       kristaps  772:                /* FALLTHROUGH */
1.126     kristaps  773:        case (LIST_enum):
1.1       kristaps  774:                /* FALLTHROUGH */
1.126     kristaps  775:        case (LIST_hyphen):
1.86      kristaps  776:                if (MDOC_HEAD == n->type)
1.39      kristaps  777:                        p->flags |= TERMP_NOBREAK;
                    778:                else
                    779:                        p->flags |= TERMP_NOLPAD;
                    780:                break;
1.126     kristaps  781:        case (LIST_hang):
1.86      kristaps  782:                if (MDOC_HEAD == n->type)
1.39      kristaps  783:                        p->flags |= TERMP_NOBREAK;
                    784:                else
                    785:                        p->flags |= TERMP_NOLPAD;
                    786:
1.86      kristaps  787:                if (MDOC_HEAD != n->type)
1.59      kristaps  788:                        break;
                    789:
                    790:                /*
                    791:                 * This is ugly.  If `-hang' is specified and the body
                    792:                 * is a `Bl' or `Bd', then we want basically to nullify
                    793:                 * the "overstep" effect in term_flushln() and treat
                    794:                 * this as a `-ohang' list instead.
                    795:                 */
1.86      kristaps  796:                if (n->next->child &&
                    797:                                (MDOC_Bl == n->next->child->tok ||
                    798:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  799:                        p->flags &= ~TERMP_NOBREAK;
                    800:                        p->flags &= ~TERMP_NOLPAD;
                    801:                } else
1.39      kristaps  802:                        p->flags |= TERMP_HANG;
                    803:                break;
1.126     kristaps  804:        case (LIST_tag):
1.86      kristaps  805:                if (MDOC_HEAD == n->type)
1.51      kristaps  806:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  807:                else
                    808:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  809:
1.86      kristaps  810:                if (MDOC_HEAD != n->type)
1.39      kristaps  811:                        break;
1.86      kristaps  812:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  813:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  814:                break;
1.126     kristaps  815:        case (LIST_column):
1.134     kristaps  816:                if (MDOC_HEAD == n->type)
                    817:                        break;
                    818:
                    819:                if (NULL == n->next)
                    820:                        p->flags &= ~TERMP_NOBREAK;
                    821:                else
                    822:                        p->flags |= TERMP_NOBREAK;
                    823:
                    824:                assert(n->prev);
                    825:                if (MDOC_BODY == n->prev->type)
                    826:                        p->flags |= TERMP_NOLPAD;
                    827:
1.1       kristaps  828:                break;
1.126     kristaps  829:        case (LIST_diag):
1.86      kristaps  830:                if (MDOC_HEAD == n->type)
1.1       kristaps  831:                        p->flags |= TERMP_NOBREAK;
                    832:                break;
                    833:        default:
                    834:                break;
                    835:        }
                    836:
                    837:        /*
                    838:         * Margin control.  Set-head-width lists have their right
                    839:         * margins shortened.  The body for these lists has the offset
                    840:         * necessarily lengthened.  Everybody gets the offset.
                    841:         */
                    842:
                    843:        p->offset += offset;
                    844:
                    845:        switch (type) {
1.126     kristaps  846:        case (LIST_hang):
1.59      kristaps  847:                /*
                    848:                 * Same stipulation as above, regarding `-hang'.  We
                    849:                 * don't want to recalculate rmargin and offsets when
                    850:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    851:                 */
1.86      kristaps  852:                if (MDOC_HEAD == n->type && n->next->child &&
                    853:                                (MDOC_Bl == n->next->child->tok ||
                    854:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  855:                        break;
                    856:                /* FALLTHROUGH */
1.126     kristaps  857:        case (LIST_bullet):
1.1       kristaps  858:                /* FALLTHROUGH */
1.126     kristaps  859:        case (LIST_dash):
1.1       kristaps  860:                /* FALLTHROUGH */
1.126     kristaps  861:        case (LIST_enum):
1.1       kristaps  862:                /* FALLTHROUGH */
1.126     kristaps  863:        case (LIST_hyphen):
1.1       kristaps  864:                /* FALLTHROUGH */
1.126     kristaps  865:        case (LIST_tag):
1.49      kristaps  866:                assert(width);
1.86      kristaps  867:                if (MDOC_HEAD == n->type)
1.1       kristaps  868:                        p->rmargin = p->offset + width;
                    869:                else
                    870:                        p->offset += width;
                    871:                break;
1.126     kristaps  872:        case (LIST_column):
1.49      kristaps  873:                assert(width);
1.1       kristaps  874:                p->rmargin = p->offset + width;
1.50      kristaps  875:                /*
                    876:                 * XXX - this behaviour is not documented: the
                    877:                 * right-most column is filled to the right margin.
                    878:                 */
1.134     kristaps  879:                if (MDOC_HEAD == n->type)
                    880:                        break;
                    881:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  882:                        p->rmargin = p->maxrmargin;
1.1       kristaps  883:                break;
                    884:        default:
                    885:                break;
                    886:        }
                    887:
                    888:        /*
                    889:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  890:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  891:         */
                    892:
1.86      kristaps  893:        if (MDOC_HEAD == n->type)
1.1       kristaps  894:                switch (type) {
1.126     kristaps  895:                case (LIST_bullet):
1.102     kristaps  896:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  897:                        term_word(p, "\\[bu]");
1.102     kristaps  898:                        term_fontpop(p);
1.1       kristaps  899:                        break;
1.126     kristaps  900:                case (LIST_dash):
1.1       kristaps  901:                        /* FALLTHROUGH */
1.126     kristaps  902:                case (LIST_hyphen):
1.102     kristaps  903:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  904:                        term_word(p, "\\(hy");
1.102     kristaps  905:                        term_fontpop(p);
1.1       kristaps  906:                        break;
1.126     kristaps  907:                case (LIST_enum):
1.1       kristaps  908:                        (pair->ppair->ppair->count)++;
1.109     kristaps  909:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  910:                                        pair->ppair->ppair->count);
                    911:                        term_word(p, buf);
                    912:                        break;
                    913:                default:
                    914:                        break;
                    915:                }
                    916:
                    917:        /*
                    918:         * If we're not going to process our children, indicate so here.
                    919:         */
                    920:
                    921:        switch (type) {
1.126     kristaps  922:        case (LIST_bullet):
1.1       kristaps  923:                /* FALLTHROUGH */
1.126     kristaps  924:        case (LIST_item):
1.1       kristaps  925:                /* FALLTHROUGH */
1.126     kristaps  926:        case (LIST_dash):
1.1       kristaps  927:                /* FALLTHROUGH */
1.126     kristaps  928:        case (LIST_hyphen):
1.1       kristaps  929:                /* FALLTHROUGH */
1.126     kristaps  930:        case (LIST_enum):
1.86      kristaps  931:                if (MDOC_HEAD == n->type)
1.1       kristaps  932:                        return(0);
                    933:                break;
1.126     kristaps  934:        case (LIST_column):
1.134     kristaps  935:                if (MDOC_HEAD == n->type)
1.1       kristaps  936:                        return(0);
                    937:                break;
                    938:        default:
                    939:                break;
                    940:        }
                    941:
                    942:        return(1);
                    943: }
                    944:
                    945:
                    946: /* ARGSUSED */
                    947: static void
                    948: termp_it_post(DECL_ARGS)
                    949: {
1.126     kristaps  950:        enum mdoc_list     type;
1.1       kristaps  951:
1.109     kristaps  952:        if (MDOC_BLOCK == n->type)
1.1       kristaps  953:                return;
                    954:
1.165     kristaps  955:        type = n->parent->parent->parent->data.Bl->type;
1.1       kristaps  956:
                    957:        switch (type) {
1.126     kristaps  958:        case (LIST_item):
1.1       kristaps  959:                /* FALLTHROUGH */
1.126     kristaps  960:        case (LIST_diag):
1.53      kristaps  961:                /* FALLTHROUGH */
1.126     kristaps  962:        case (LIST_inset):
1.86      kristaps  963:                if (MDOC_BODY == n->type)
1.130     schwarze  964:                        term_newln(p);
1.1       kristaps  965:                break;
1.126     kristaps  966:        case (LIST_column):
1.134     kristaps  967:                if (MDOC_BODY == n->type)
1.1       kristaps  968:                        term_flushln(p);
                    969:                break;
                    970:        default:
1.130     schwarze  971:                term_newln(p);
1.1       kristaps  972:                break;
                    973:        }
                    974:
1.109     kristaps  975:        /*
                    976:         * Now that our output is flushed, we can reset our tags.  Since
                    977:         * only `It' sets these flags, we're free to assume that nobody
                    978:         * has munged them in the meanwhile.
                    979:         */
                    980:
                    981:        p->flags &= ~TERMP_DANGLE;
                    982:        p->flags &= ~TERMP_NOBREAK;
                    983:        p->flags &= ~TERMP_TWOSPACE;
                    984:        p->flags &= ~TERMP_NOLPAD;
                    985:        p->flags &= ~TERMP_HANG;
1.1       kristaps  986: }
                    987:
                    988:
                    989: /* ARGSUSED */
                    990: static int
                    991: termp_nm_pre(DECL_ARGS)
                    992: {
                    993:
1.164     schwarze  994:        if (MDOC_BLOCK == n->type)
                    995:                return(1);
                    996:
                    997:        if (MDOC_BODY == n->type) {
                    998:                if (NULL == n->child)
                    999:                        return(0);
                   1000:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1001:                p->offset += term_len(p, 1) +
                   1002:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1003:                     MDOC_TEXT == n->prev->child->type ?
                   1004:                        term_strlen(p, n->prev->child->string) :
                   1005:                     term_len(p, 5));
                   1006:                return(1);
                   1007:        }
                   1008:
1.125     kristaps 1009:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1010:                return(0);
1.125     kristaps 1011:
1.143     kristaps 1012:        synopsis_pre(p, n);
1.102     kristaps 1013:
1.164     schwarze 1014:        if (MDOC_HEAD == n->type && n->next->child) {
                   1015:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_HANG;
                   1016:                p->rmargin = p->offset + term_len(p, 1) +
                   1017:                    (NULL == n->child ? term_strlen(p, m->name) :
                   1018:                     MDOC_TEXT == n->child->type ?
                   1019:                        term_strlen(p, n->child->string) :
                   1020:                     term_len(p, 5));
                   1021:        }
                   1022:
1.102     kristaps 1023:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1024:        if (NULL == n->child)
                   1025:                term_word(p, m->name);
1.1       kristaps 1026:        return(1);
                   1027: }
                   1028:
                   1029:
1.164     schwarze 1030: /* ARGSUSED */
                   1031: static void
                   1032: termp_nm_post(DECL_ARGS)
                   1033: {
                   1034:
                   1035:        if (MDOC_HEAD == n->type && n->next->child) {
                   1036:                term_flushln(p);
                   1037:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1038:        } else if (MDOC_BODY == n->type && n->child) {
                   1039:                term_flushln(p);
                   1040:                p->flags &= ~TERMP_NOLPAD;
                   1041:        }
                   1042: }
                   1043:
                   1044:
1.1       kristaps 1045: /* ARGSUSED */
                   1046: static int
                   1047: termp_fl_pre(DECL_ARGS)
                   1048: {
                   1049:
1.102     kristaps 1050:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1051:        term_word(p, "\\-");
1.103     kristaps 1052:
                   1053:        if (n->child)
1.114     kristaps 1054:                p->flags |= TERMP_NOSPACE;
                   1055:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1056:                p->flags |= TERMP_NOSPACE;
                   1057:
1.1       kristaps 1058:        return(1);
                   1059: }
                   1060:
                   1061:
                   1062: /* ARGSUSED */
                   1063: static int
1.61      kristaps 1064: termp_an_pre(DECL_ARGS)
                   1065: {
                   1066:
1.86      kristaps 1067:        if (NULL == n->child)
1.61      kristaps 1068:                return(1);
                   1069:
                   1070:        /*
1.85      kristaps 1071:         * If not in the AUTHORS section, `An -split' will cause
                   1072:         * newlines to occur before the author name.  If in the AUTHORS
                   1073:         * section, by default, the first `An' invocation is nosplit,
                   1074:         * then all subsequent ones, regardless of whether interspersed
                   1075:         * with other macros/text, are split.  -split, in this case,
                   1076:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1077:         */
                   1078:
1.86      kristaps 1079:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1080:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1081:                        if (TERMP_SPLIT & p->flags)
                   1082:                                term_newln(p);
                   1083:                        return(1);
                   1084:                }
                   1085:                if (TERMP_NOSPLIT & p->flags)
                   1086:                        return(1);
                   1087:                term_newln(p);
                   1088:                return(1);
                   1089:        }
                   1090:
                   1091:        if (TERMP_SPLIT & p->flags)
                   1092:                term_newln(p);
                   1093:
                   1094:        return(1);
                   1095: }
                   1096:
                   1097:
                   1098: /* ARGSUSED */
                   1099: static void
                   1100: termp_an_post(DECL_ARGS)
                   1101: {
                   1102:
1.86      kristaps 1103:        if (n->child) {
                   1104:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1105:                        p->flags |= TERMP_ANPREC;
                   1106:                return;
                   1107:        }
                   1108:
1.168     kristaps 1109:        if (AUTH_split == n->data.An.auth) {
1.61      kristaps 1110:                p->flags &= ~TERMP_NOSPLIT;
                   1111:                p->flags |= TERMP_SPLIT;
1.168     kristaps 1112:        } else if (AUTH_nosplit == n->data.An.auth) {
1.61      kristaps 1113:                p->flags &= ~TERMP_SPLIT;
                   1114:                p->flags |= TERMP_NOSPLIT;
                   1115:        }
                   1116:
                   1117: }
                   1118:
                   1119:
                   1120: /* ARGSUSED */
                   1121: static int
1.1       kristaps 1122: termp_ns_pre(DECL_ARGS)
                   1123: {
                   1124:
                   1125:        p->flags |= TERMP_NOSPACE;
                   1126:        return(1);
                   1127: }
                   1128:
                   1129:
                   1130: /* ARGSUSED */
                   1131: static int
                   1132: termp_rs_pre(DECL_ARGS)
                   1133: {
                   1134:
1.86      kristaps 1135:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1136:                return(1);
1.86      kristaps 1137:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1138:                term_vspace(p);
                   1139:        return(1);
                   1140: }
                   1141:
                   1142:
                   1143: /* ARGSUSED */
                   1144: static int
                   1145: termp_rv_pre(DECL_ARGS)
                   1146: {
1.68      kristaps 1147:        const struct mdoc_node  *nn;
1.1       kristaps 1148:
                   1149:        term_newln(p);
                   1150:        term_word(p, "The");
                   1151:
1.86      kristaps 1152:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1153:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1154:                term_word(p, nn->string);
1.102     kristaps 1155:                term_fontpop(p);
1.68      kristaps 1156:                p->flags |= TERMP_NOSPACE;
                   1157:                if (nn->next && NULL == nn->next->next)
                   1158:                        term_word(p, "(), and");
                   1159:                else if (nn->next)
                   1160:                        term_word(p, "(),");
                   1161:                else
                   1162:                        term_word(p, "()");
                   1163:        }
                   1164:
1.125     kristaps 1165:        if (n->child && n->child->next)
1.68      kristaps 1166:                term_word(p, "functions return");
                   1167:        else
                   1168:                term_word(p, "function returns");
1.1       kristaps 1169:
1.68      kristaps 1170:                term_word(p, "the value 0 if successful; otherwise the value "
                   1171:                        "-1 is returned and the global variable");
1.1       kristaps 1172:
1.102     kristaps 1173:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1174:        term_word(p, "errno");
1.102     kristaps 1175:        term_fontpop(p);
1.1       kristaps 1176:
                   1177:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1178:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1179:
1.68      kristaps 1180:        return(0);
1.1       kristaps 1181: }
                   1182:
                   1183:
                   1184: /* ARGSUSED */
                   1185: static int
                   1186: termp_ex_pre(DECL_ARGS)
                   1187: {
1.68      kristaps 1188:        const struct mdoc_node  *nn;
1.1       kristaps 1189:
1.68      kristaps 1190:        term_word(p, "The");
1.1       kristaps 1191:
1.86      kristaps 1192:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1193:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1194:                term_word(p, nn->string);
1.102     kristaps 1195:                term_fontpop(p);
1.68      kristaps 1196:                p->flags |= TERMP_NOSPACE;
                   1197:                if (nn->next && NULL == nn->next->next)
                   1198:                        term_word(p, ", and");
                   1199:                else if (nn->next)
                   1200:                        term_word(p, ",");
                   1201:                else
                   1202:                        p->flags &= ~TERMP_NOSPACE;
                   1203:        }
                   1204:
1.125     kristaps 1205:        if (n->child && n->child->next)
1.68      kristaps 1206:                term_word(p, "utilities exit");
                   1207:        else
                   1208:                term_word(p, "utility exits");
                   1209:
                   1210:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1211:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1212:
1.68      kristaps 1213:        return(0);
1.1       kristaps 1214: }
                   1215:
                   1216:
                   1217: /* ARGSUSED */
                   1218: static int
                   1219: termp_nd_pre(DECL_ARGS)
                   1220: {
1.25      kristaps 1221:
1.86      kristaps 1222:        if (MDOC_BODY != n->type)
1.25      kristaps 1223:                return(1);
1.30      kristaps 1224:
1.27      kristaps 1225: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1226:        term_word(p, "\\(en");
1.23      kristaps 1227: #else
                   1228:        term_word(p, "\\(em");
                   1229: #endif
1.1       kristaps 1230:        return(1);
1.115     kristaps 1231: }
                   1232:
                   1233:
                   1234: /* ARGSUSED */
                   1235: static int
                   1236: termp_bl_pre(DECL_ARGS)
                   1237: {
                   1238:
                   1239:        return(MDOC_HEAD != n->type);
1.1       kristaps 1240: }
                   1241:
                   1242:
                   1243: /* ARGSUSED */
                   1244: static void
                   1245: termp_bl_post(DECL_ARGS)
                   1246: {
                   1247:
1.86      kristaps 1248:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1249:                term_newln(p);
                   1250: }
                   1251:
                   1252:
                   1253: /* ARGSUSED */
                   1254: static void
                   1255: termp_op_post(DECL_ARGS)
                   1256: {
                   1257:
1.86      kristaps 1258:        if (MDOC_BODY != n->type)
1.1       kristaps 1259:                return;
                   1260:        p->flags |= TERMP_NOSPACE;
                   1261:        term_word(p, "\\(rB");
                   1262: }
                   1263:
                   1264:
                   1265: /* ARGSUSED */
                   1266: static int
                   1267: termp_xr_pre(DECL_ARGS)
                   1268: {
1.86      kristaps 1269:        const struct mdoc_node *nn;
1.1       kristaps 1270:
1.113     kristaps 1271:        if (NULL == n->child)
                   1272:                return(0);
                   1273:
                   1274:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1275:        nn = n->child;
1.11      kristaps 1276:
1.86      kristaps 1277:        term_word(p, nn->string);
                   1278:        if (NULL == (nn = nn->next))
1.1       kristaps 1279:                return(0);
                   1280:        p->flags |= TERMP_NOSPACE;
                   1281:        term_word(p, "(");
                   1282:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1283:        term_word(p, nn->string);
1.1       kristaps 1284:        p->flags |= TERMP_NOSPACE;
                   1285:        term_word(p, ")");
1.86      kristaps 1286:
1.1       kristaps 1287:        return(0);
                   1288: }
                   1289:
                   1290:
1.143     kristaps 1291: /*
                   1292:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1293:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1294:  * macro combos).
                   1295:  */
                   1296: static void
                   1297: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1298: {
                   1299:        /*
                   1300:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1301:         * exist, do nothing.
                   1302:         */
1.160     kristaps 1303:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1304:                return;
                   1305:
                   1306:        /*
                   1307:         * If we're the second in a pair of like elements, emit our
                   1308:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1309:         * case we soldier on.
                   1310:         */
                   1311:        if (n->prev->tok == n->tok &&
                   1312:                        MDOC_Ft != n->tok &&
                   1313:                        MDOC_Fo != n->tok &&
                   1314:                        MDOC_Fn != n->tok) {
                   1315:                term_newln(p);
                   1316:                return;
                   1317:        }
                   1318:
                   1319:        /*
                   1320:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1321:         * another (or Fn/Fo, which we've let slip through) then assert
                   1322:         * vertical space, else only newline and move on.
                   1323:         */
                   1324:        switch (n->prev->tok) {
                   1325:        case (MDOC_Fd):
                   1326:                /* FALLTHROUGH */
                   1327:        case (MDOC_Fn):
                   1328:                /* FALLTHROUGH */
                   1329:        case (MDOC_Fo):
                   1330:                /* FALLTHROUGH */
                   1331:        case (MDOC_In):
                   1332:                /* FALLTHROUGH */
                   1333:        case (MDOC_Vt):
                   1334:                term_vspace(p);
                   1335:                break;
                   1336:        case (MDOC_Ft):
                   1337:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1338:                        term_vspace(p);
                   1339:                        break;
                   1340:                }
                   1341:                /* FALLTHROUGH */
                   1342:        default:
                   1343:                term_newln(p);
                   1344:                break;
                   1345:        }
                   1346: }
                   1347:
                   1348:
1.110     kristaps 1349: static int
                   1350: termp_vt_pre(DECL_ARGS)
                   1351: {
                   1352:
1.143     kristaps 1353:        if (MDOC_ELEM == n->type) {
                   1354:                synopsis_pre(p, n);
1.110     kristaps 1355:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1356:        } else if (MDOC_BLOCK == n->type) {
                   1357:                synopsis_pre(p, n);
                   1358:                return(1);
                   1359:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1360:                return(0);
                   1361:
                   1362:        return(termp_under_pre(p, pair, m, n));
                   1363: }
                   1364:
                   1365:
1.1       kristaps 1366: /* ARGSUSED */
                   1367: static int
1.69      kristaps 1368: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1369: {
                   1370:
1.102     kristaps 1371:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1372:        return(1);
                   1373: }
                   1374:
                   1375:
                   1376: /* ARGSUSED */
1.143     kristaps 1377: static int
                   1378: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1379: {
                   1380:
1.143     kristaps 1381:        synopsis_pre(p, n);
                   1382:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1383: }
                   1384:
                   1385:
                   1386: /* ARGSUSED */
                   1387: static int
                   1388: termp_sh_pre(DECL_ARGS)
                   1389: {
1.85      kristaps 1390:
                   1391:        /* No vspace between consecutive `Sh' calls. */
                   1392:
1.86      kristaps 1393:        switch (n->type) {
1.65      kristaps 1394:        case (MDOC_BLOCK):
1.86      kristaps 1395:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1396:                        if (NULL == n->prev->body->child)
1.65      kristaps 1397:                                break;
                   1398:                term_vspace(p);
                   1399:                break;
1.1       kristaps 1400:        case (MDOC_HEAD):
1.102     kristaps 1401:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1402:                break;
                   1403:        case (MDOC_BODY):
1.157     kristaps 1404:                p->offset = term_len(p, INDENT);
1.1       kristaps 1405:                break;
                   1406:        default:
                   1407:                break;
                   1408:        }
                   1409:        return(1);
                   1410: }
                   1411:
                   1412:
                   1413: /* ARGSUSED */
                   1414: static void
                   1415: termp_sh_post(DECL_ARGS)
                   1416: {
                   1417:
1.86      kristaps 1418:        switch (n->type) {
1.1       kristaps 1419:        case (MDOC_HEAD):
                   1420:                term_newln(p);
                   1421:                break;
                   1422:        case (MDOC_BODY):
                   1423:                term_newln(p);
                   1424:                p->offset = 0;
                   1425:                break;
                   1426:        default:
                   1427:                break;
                   1428:        }
                   1429: }
                   1430:
                   1431:
                   1432: /* ARGSUSED */
                   1433: static int
                   1434: termp_op_pre(DECL_ARGS)
                   1435: {
                   1436:
1.86      kristaps 1437:        switch (n->type) {
1.1       kristaps 1438:        case (MDOC_BODY):
                   1439:                term_word(p, "\\(lB");
                   1440:                p->flags |= TERMP_NOSPACE;
                   1441:                break;
                   1442:        default:
                   1443:                break;
                   1444:        }
                   1445:        return(1);
                   1446: }
                   1447:
                   1448:
                   1449: /* ARGSUSED */
                   1450: static int
                   1451: termp_bt_pre(DECL_ARGS)
                   1452: {
                   1453:
                   1454:        term_word(p, "is currently in beta test.");
1.131     kristaps 1455:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1456:        return(0);
1.1       kristaps 1457: }
                   1458:
                   1459:
                   1460: /* ARGSUSED */
                   1461: static void
                   1462: termp_lb_post(DECL_ARGS)
                   1463: {
                   1464:
1.122     kristaps 1465:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1466:                term_newln(p);
1.1       kristaps 1467: }
                   1468:
                   1469:
                   1470: /* ARGSUSED */
                   1471: static int
                   1472: termp_ud_pre(DECL_ARGS)
                   1473: {
                   1474:
                   1475:        term_word(p, "currently under development.");
1.131     kristaps 1476:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1477:        return(0);
1.1       kristaps 1478: }
                   1479:
                   1480:
                   1481: /* ARGSUSED */
                   1482: static int
                   1483: termp_d1_pre(DECL_ARGS)
                   1484: {
                   1485:
1.86      kristaps 1486:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1487:                return(1);
                   1488:        term_newln(p);
1.157     kristaps 1489:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1490:        return(1);
                   1491: }
                   1492:
                   1493:
                   1494: /* ARGSUSED */
                   1495: static void
                   1496: termp_d1_post(DECL_ARGS)
                   1497: {
                   1498:
1.86      kristaps 1499:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1500:                return;
                   1501:        term_newln(p);
                   1502: }
                   1503:
                   1504:
                   1505: /* ARGSUSED */
                   1506: static int
                   1507: termp_aq_pre(DECL_ARGS)
                   1508: {
                   1509:
1.86      kristaps 1510:        if (MDOC_BODY != n->type)
1.1       kristaps 1511:                return(1);
                   1512:        term_word(p, "\\(la");
                   1513:        p->flags |= TERMP_NOSPACE;
                   1514:        return(1);
                   1515: }
                   1516:
                   1517:
                   1518: /* ARGSUSED */
                   1519: static void
                   1520: termp_aq_post(DECL_ARGS)
                   1521: {
                   1522:
1.86      kristaps 1523:        if (MDOC_BODY != n->type)
1.1       kristaps 1524:                return;
                   1525:        p->flags |= TERMP_NOSPACE;
                   1526:        term_word(p, "\\(ra");
                   1527: }
                   1528:
                   1529:
                   1530: /* ARGSUSED */
                   1531: static int
                   1532: termp_ft_pre(DECL_ARGS)
                   1533: {
                   1534:
1.141     kristaps 1535:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1536:        synopsis_pre(p, n);
1.102     kristaps 1537:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1538:        return(1);
                   1539: }
                   1540:
                   1541:
                   1542: /* ARGSUSED */
                   1543: static int
                   1544: termp_fn_pre(DECL_ARGS)
                   1545: {
1.86      kristaps 1546:        const struct mdoc_node  *nn;
1.1       kristaps 1547:
1.143     kristaps 1548:        synopsis_pre(p, n);
1.139     kristaps 1549:
1.102     kristaps 1550:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1551:        term_word(p, n->child->string);
1.102     kristaps 1552:        term_fontpop(p);
1.1       kristaps 1553:
                   1554:        p->flags |= TERMP_NOSPACE;
                   1555:        term_word(p, "(");
                   1556:
1.86      kristaps 1557:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1558:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1559:                term_word(p, nn->string);
1.102     kristaps 1560:                term_fontpop(p);
                   1561:
1.86      kristaps 1562:                if (nn->next)
1.1       kristaps 1563:                        term_word(p, ",");
                   1564:        }
                   1565:
                   1566:        term_word(p, ")");
                   1567:
1.160     kristaps 1568:        if (MDOC_SYNPRETTY & n->flags)
1.1       kristaps 1569:                term_word(p, ";");
                   1570:
                   1571:        return(0);
                   1572: }
                   1573:
                   1574:
                   1575: /* ARGSUSED */
                   1576: static int
                   1577: termp_fa_pre(DECL_ARGS)
                   1578: {
1.86      kristaps 1579:        const struct mdoc_node  *nn;
1.1       kristaps 1580:
1.86      kristaps 1581:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1582:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1583:                return(1);
                   1584:        }
                   1585:
1.86      kristaps 1586:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1587:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1588:                term_word(p, nn->string);
1.102     kristaps 1589:                term_fontpop(p);
                   1590:
1.86      kristaps 1591:                if (nn->next)
1.1       kristaps 1592:                        term_word(p, ",");
                   1593:        }
                   1594:
1.86      kristaps 1595:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1596:                term_word(p, ",");
                   1597:
                   1598:        return(0);
                   1599: }
                   1600:
                   1601:
                   1602: /* ARGSUSED */
                   1603: static int
                   1604: termp_bd_pre(DECL_ARGS)
                   1605: {
1.129     schwarze 1606:        size_t                   tabwidth;
1.119     kristaps 1607:        size_t                   rm, rmax;
1.85      kristaps 1608:        const struct mdoc_node  *nn;
1.1       kristaps 1609:
1.86      kristaps 1610:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1611:                print_bvspace(p, n, n);
1.54      kristaps 1612:                return(1);
1.116     kristaps 1613:        } else if (MDOC_HEAD == n->type)
                   1614:                return(0);
1.1       kristaps 1615:
1.165     kristaps 1616:        assert(n->data.Bd);
                   1617:        if (n->data.Bd->offs)
                   1618:                p->offset += a2offs(p, n->data.Bd->offs);
1.85      kristaps 1619:
                   1620:        /*
                   1621:         * If -ragged or -filled are specified, the block does nothing
                   1622:         * but change the indentation.  If -unfilled or -literal are
                   1623:         * specified, text is printed exactly as entered in the display:
                   1624:         * for macro lines, a newline is appended to the line.  Blank
                   1625:         * lines are allowed.
                   1626:         */
1.60      kristaps 1627:
1.165     kristaps 1628:        if (DISP_literal != n->data.Bd->type &&
                   1629:                        DISP_unfilled != n->data.Bd->type)
1.1       kristaps 1630:                return(1);
                   1631:
1.129     schwarze 1632:        tabwidth = p->tabwidth;
1.157     kristaps 1633:        p->tabwidth = term_len(p, 8);
1.119     kristaps 1634:        rm = p->rmargin;
                   1635:        rmax = p->maxrmargin;
1.120     kristaps 1636:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1637:
1.86      kristaps 1638:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1639:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1640:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1641:                if (NULL == nn->prev ||
                   1642:                    nn->prev->line < nn->line ||
                   1643:                    NULL == nn->next)
1.87      kristaps 1644:                        term_flushln(p);
1.1       kristaps 1645:        }
1.147     kristaps 1646:
1.129     schwarze 1647:        p->tabwidth = tabwidth;
1.119     kristaps 1648:        p->rmargin = rm;
                   1649:        p->maxrmargin = rmax;
1.1       kristaps 1650:        return(0);
                   1651: }
                   1652:
                   1653:
                   1654: /* ARGSUSED */
                   1655: static void
                   1656: termp_bd_post(DECL_ARGS)
                   1657: {
1.119     kristaps 1658:        size_t           rm, rmax;
1.1       kristaps 1659:
1.86      kristaps 1660:        if (MDOC_BODY != n->type)
1.1       kristaps 1661:                return;
1.118     kristaps 1662:
1.119     kristaps 1663:        rm = p->rmargin;
                   1664:        rmax = p->maxrmargin;
1.118     kristaps 1665:
1.165     kristaps 1666:        assert(n->data.Bd);
                   1667:        if (DISP_literal == n->data.Bd->type ||
                   1668:                        DISP_unfilled == n->data.Bd->type)
1.120     kristaps 1669:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1670:
1.60      kristaps 1671:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1672:        term_newln(p);
1.118     kristaps 1673:
1.119     kristaps 1674:        p->rmargin = rm;
                   1675:        p->maxrmargin = rmax;
1.1       kristaps 1676: }
                   1677:
                   1678:
                   1679: /* ARGSUSED */
                   1680: static int
                   1681: termp_qq_pre(DECL_ARGS)
                   1682: {
                   1683:
1.86      kristaps 1684:        if (MDOC_BODY != n->type)
1.1       kristaps 1685:                return(1);
                   1686:        term_word(p, "\"");
                   1687:        p->flags |= TERMP_NOSPACE;
                   1688:        return(1);
                   1689: }
                   1690:
                   1691:
                   1692: /* ARGSUSED */
                   1693: static void
                   1694: termp_qq_post(DECL_ARGS)
                   1695: {
                   1696:
1.86      kristaps 1697:        if (MDOC_BODY != n->type)
1.1       kristaps 1698:                return;
                   1699:        p->flags |= TERMP_NOSPACE;
                   1700:        term_word(p, "\"");
                   1701: }
                   1702:
                   1703:
                   1704: /* ARGSUSED */
                   1705: static void
                   1706: termp_bx_post(DECL_ARGS)
                   1707: {
                   1708:
1.86      kristaps 1709:        if (n->child)
1.1       kristaps 1710:                p->flags |= TERMP_NOSPACE;
                   1711:        term_word(p, "BSD");
                   1712: }
                   1713:
                   1714:
                   1715: /* ARGSUSED */
                   1716: static int
1.26      kristaps 1717: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1718: {
1.26      kristaps 1719:        const char      *pp;
1.1       kristaps 1720:
1.26      kristaps 1721:        pp = NULL;
1.86      kristaps 1722:        switch (n->tok) {
1.26      kristaps 1723:        case (MDOC_Bsx):
                   1724:                pp = "BSDI BSD/OS";
                   1725:                break;
                   1726:        case (MDOC_Dx):
1.100     kristaps 1727:                pp = "DragonFly";
1.26      kristaps 1728:                break;
                   1729:        case (MDOC_Fx):
                   1730:                pp = "FreeBSD";
                   1731:                break;
                   1732:        case (MDOC_Nx):
                   1733:                pp = "NetBSD";
                   1734:                break;
                   1735:        case (MDOC_Ox):
                   1736:                pp = "OpenBSD";
                   1737:                break;
                   1738:        case (MDOC_Ux):
                   1739:                pp = "UNIX";
                   1740:                break;
                   1741:        default:
                   1742:                break;
                   1743:        }
1.1       kristaps 1744:
1.26      kristaps 1745:        assert(pp);
                   1746:        term_word(p, pp);
1.1       kristaps 1747:        return(1);
                   1748: }
                   1749:
                   1750:
                   1751: /* ARGSUSED */
                   1752: static int
                   1753: termp_sq_pre(DECL_ARGS)
                   1754: {
                   1755:
1.86      kristaps 1756:        if (MDOC_BODY != n->type)
1.1       kristaps 1757:                return(1);
                   1758:        term_word(p, "\\(oq");
                   1759:        p->flags |= TERMP_NOSPACE;
                   1760:        return(1);
                   1761: }
                   1762:
                   1763:
                   1764: /* ARGSUSED */
                   1765: static void
                   1766: termp_sq_post(DECL_ARGS)
                   1767: {
                   1768:
1.86      kristaps 1769:        if (MDOC_BODY != n->type)
1.1       kristaps 1770:                return;
                   1771:        p->flags |= TERMP_NOSPACE;
                   1772:        term_word(p, "\\(aq");
                   1773: }
                   1774:
                   1775:
                   1776: /* ARGSUSED */
                   1777: static int
                   1778: termp_pf_pre(DECL_ARGS)
                   1779: {
                   1780:
                   1781:        p->flags |= TERMP_IGNDELIM;
                   1782:        return(1);
                   1783: }
                   1784:
                   1785:
                   1786: /* ARGSUSED */
                   1787: static void
                   1788: termp_pf_post(DECL_ARGS)
                   1789: {
                   1790:
                   1791:        p->flags &= ~TERMP_IGNDELIM;
                   1792:        p->flags |= TERMP_NOSPACE;
                   1793: }
                   1794:
                   1795:
                   1796: /* ARGSUSED */
                   1797: static int
                   1798: termp_ss_pre(DECL_ARGS)
                   1799: {
                   1800:
1.86      kristaps 1801:        switch (n->type) {
1.1       kristaps 1802:        case (MDOC_BLOCK):
                   1803:                term_newln(p);
1.86      kristaps 1804:                if (n->prev)
1.1       kristaps 1805:                        term_vspace(p);
                   1806:                break;
                   1807:        case (MDOC_HEAD):
1.102     kristaps 1808:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1809:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1810:                break;
                   1811:        default:
                   1812:                break;
                   1813:        }
                   1814:
                   1815:        return(1);
                   1816: }
                   1817:
                   1818:
                   1819: /* ARGSUSED */
                   1820: static void
                   1821: termp_ss_post(DECL_ARGS)
                   1822: {
                   1823:
1.86      kristaps 1824:        if (MDOC_HEAD == n->type)
1.1       kristaps 1825:                term_newln(p);
                   1826: }
                   1827:
                   1828:
                   1829: /* ARGSUSED */
                   1830: static int
                   1831: termp_cd_pre(DECL_ARGS)
                   1832: {
                   1833:
1.143     kristaps 1834:        synopsis_pre(p, n);
1.102     kristaps 1835:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1836:        return(1);
                   1837: }
                   1838:
                   1839:
                   1840: /* ARGSUSED */
                   1841: static int
                   1842: termp_in_pre(DECL_ARGS)
                   1843: {
1.142     schwarze 1844:
1.143     kristaps 1845:        synopsis_pre(p, n);
1.1       kristaps 1846:
1.160     kristaps 1847:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1848:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1849:                term_word(p, "#include");
1.138     kristaps 1850:                term_word(p, "<");
                   1851:        } else {
                   1852:                term_word(p, "<");
                   1853:                term_fontpush(p, TERMFONT_UNDER);
                   1854:        }
1.22      kristaps 1855:
1.1       kristaps 1856:        p->flags |= TERMP_NOSPACE;
                   1857:        return(1);
                   1858: }
                   1859:
                   1860:
                   1861: /* ARGSUSED */
                   1862: static void
                   1863: termp_in_post(DECL_ARGS)
                   1864: {
                   1865:
1.160     kristaps 1866:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1867:                term_fontpush(p, TERMFONT_BOLD);
                   1868:
1.79      kristaps 1869:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1870:        term_word(p, ">");
                   1871:
1.160     kristaps 1872:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1873:                term_fontpop(p);
1.1       kristaps 1874: }
                   1875:
                   1876:
                   1877: /* ARGSUSED */
                   1878: static int
1.45      kristaps 1879: termp_sp_pre(DECL_ARGS)
                   1880: {
1.91      kristaps 1881:        size_t           i, len;
1.45      kristaps 1882:
1.86      kristaps 1883:        switch (n->tok) {
1.76      kristaps 1884:        case (MDOC_sp):
1.157     kristaps 1885:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1886:                break;
                   1887:        case (MDOC_br):
                   1888:                len = 0;
                   1889:                break;
                   1890:        default:
                   1891:                len = 1;
                   1892:                break;
1.45      kristaps 1893:        }
                   1894:
                   1895:        if (0 == len)
                   1896:                term_newln(p);
                   1897:        for (i = 0; i < len; i++)
                   1898:                term_vspace(p);
                   1899:
                   1900:        return(0);
                   1901: }
                   1902:
                   1903:
                   1904: /* ARGSUSED */
                   1905: static int
1.1       kristaps 1906: termp_brq_pre(DECL_ARGS)
                   1907: {
                   1908:
1.86      kristaps 1909:        if (MDOC_BODY != n->type)
1.1       kristaps 1910:                return(1);
                   1911:        term_word(p, "\\(lC");
                   1912:        p->flags |= TERMP_NOSPACE;
                   1913:        return(1);
                   1914: }
                   1915:
                   1916:
                   1917: /* ARGSUSED */
                   1918: static void
                   1919: termp_brq_post(DECL_ARGS)
                   1920: {
                   1921:
1.86      kristaps 1922:        if (MDOC_BODY != n->type)
1.1       kristaps 1923:                return;
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        term_word(p, "\\(rC");
                   1926: }
                   1927:
                   1928:
                   1929: /* ARGSUSED */
                   1930: static int
                   1931: termp_bq_pre(DECL_ARGS)
                   1932: {
                   1933:
1.86      kristaps 1934:        if (MDOC_BODY != n->type)
1.1       kristaps 1935:                return(1);
                   1936:        term_word(p, "\\(lB");
                   1937:        p->flags |= TERMP_NOSPACE;
                   1938:        return(1);
                   1939: }
                   1940:
                   1941:
                   1942: /* ARGSUSED */
                   1943: static void
                   1944: termp_bq_post(DECL_ARGS)
                   1945: {
                   1946:
1.86      kristaps 1947:        if (MDOC_BODY != n->type)
1.1       kristaps 1948:                return;
                   1949:        p->flags |= TERMP_NOSPACE;
                   1950:        term_word(p, "\\(rB");
                   1951: }
                   1952:
                   1953:
                   1954: /* ARGSUSED */
                   1955: static int
                   1956: termp_pq_pre(DECL_ARGS)
                   1957: {
                   1958:
1.86      kristaps 1959:        if (MDOC_BODY != n->type)
1.1       kristaps 1960:                return(1);
                   1961:        term_word(p, "\\&(");
                   1962:        p->flags |= TERMP_NOSPACE;
                   1963:        return(1);
                   1964: }
                   1965:
                   1966:
                   1967: /* ARGSUSED */
                   1968: static void
                   1969: termp_pq_post(DECL_ARGS)
                   1970: {
                   1971:
1.86      kristaps 1972:        if (MDOC_BODY != n->type)
1.1       kristaps 1973:                return;
                   1974:        term_word(p, ")");
                   1975: }
                   1976:
                   1977:
                   1978: /* ARGSUSED */
                   1979: static int
                   1980: termp_fo_pre(DECL_ARGS)
                   1981: {
                   1982:
1.141     kristaps 1983:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1984:                synopsis_pre(p, n);
1.141     kristaps 1985:                return(1);
                   1986:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 1987:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1988:                term_word(p, "(");
                   1989:                p->flags |= TERMP_NOSPACE;
                   1990:                return(1);
1.141     kristaps 1991:        }
                   1992:
1.169     kristaps 1993:        if (NULL == n->child)
                   1994:                return(0);
                   1995:
1.141     kristaps 1996:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1997:
1.141     kristaps 1998:        assert(n->child->string);
1.102     kristaps 1999:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2000:        term_word(p, n->child->string);
1.1       kristaps 2001:        return(0);
                   2002: }
                   2003:
                   2004:
                   2005: /* ARGSUSED */
                   2006: static void
                   2007: termp_fo_post(DECL_ARGS)
                   2008: {
                   2009:
1.143     kristaps 2010:        if (MDOC_BODY != n->type)
                   2011:                return;
                   2012:
                   2013:        p->flags |= TERMP_NOSPACE;
                   2014:        term_word(p, ")");
                   2015:
1.160     kristaps 2016:        if (MDOC_SYNPRETTY & n->flags) {
1.141     kristaps 2017:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2018:                term_word(p, ";");
1.141     kristaps 2019:        }
1.1       kristaps 2020: }
                   2021:
                   2022:
                   2023: /* ARGSUSED */
                   2024: static int
                   2025: termp_bf_pre(DECL_ARGS)
                   2026: {
                   2027:
1.86      kristaps 2028:        if (MDOC_HEAD == n->type)
1.1       kristaps 2029:                return(0);
1.86      kristaps 2030:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2031:                return(1);
                   2032:
1.167     kristaps 2033:        assert(n->data.Bf);
1.1       kristaps 2034:
1.167     kristaps 2035:        if (FONT_Em == n->data.Bf->font)
1.102     kristaps 2036:                term_fontpush(p, TERMFONT_UNDER);
1.167     kristaps 2037:        else if (FONT_Sy == n->data.Bf->font)
1.102     kristaps 2038:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2039:        else
1.102     kristaps 2040:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2041:
                   2042:        return(1);
                   2043: }
                   2044:
                   2045:
                   2046: /* ARGSUSED */
                   2047: static int
                   2048: termp_sm_pre(DECL_ARGS)
                   2049: {
                   2050:
1.86      kristaps 2051:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2052:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2053:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2054:        else
1.1       kristaps 2055:                p->flags |= TERMP_NONOSPACE;
                   2056:
                   2057:        return(0);
                   2058: }
                   2059:
                   2060:
                   2061: /* ARGSUSED */
                   2062: static int
                   2063: termp_ap_pre(DECL_ARGS)
                   2064: {
                   2065:
                   2066:        p->flags |= TERMP_NOSPACE;
                   2067:        term_word(p, "\\(aq");
                   2068:        p->flags |= TERMP_NOSPACE;
                   2069:        return(1);
                   2070: }
                   2071:
                   2072:
                   2073: /* ARGSUSED */
                   2074: static void
                   2075: termp____post(DECL_ARGS)
                   2076: {
                   2077:
1.95      kristaps 2078:        /* TODO: %U. */
                   2079:
1.1       kristaps 2080:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2081:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2082: }
                   2083:
                   2084:
                   2085: /* ARGSUSED */
                   2086: static int
1.102     kristaps 2087: termp_li_pre(DECL_ARGS)
                   2088: {
                   2089:
                   2090:        term_fontpush(p, TERMFONT_NONE);
                   2091:        return(1);
                   2092: }
                   2093:
                   2094:
                   2095: /* ARGSUSED */
                   2096: static int
1.1       kristaps 2097: termp_lk_pre(DECL_ARGS)
                   2098: {
1.86      kristaps 2099:        const struct mdoc_node *nn;
1.1       kristaps 2100:
1.102     kristaps 2101:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2102:        nn = n->child;
                   2103:
                   2104:        if (NULL == nn->next)
1.12      kristaps 2105:                return(1);
                   2106:
1.86      kristaps 2107:        term_word(p, nn->string);
1.102     kristaps 2108:        term_fontpop(p);
1.96      kristaps 2109:
1.1       kristaps 2110:        p->flags |= TERMP_NOSPACE;
                   2111:        term_word(p, ":");
                   2112:
1.102     kristaps 2113:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2114:        for (nn = nn->next; nn; nn = nn->next)
                   2115:                term_word(p, nn->string);
1.102     kristaps 2116:        term_fontpop(p);
1.12      kristaps 2117:
1.1       kristaps 2118:        return(0);
                   2119: }
                   2120:
1.159     schwarze 2121:
                   2122: /* ARGSUSED */
                   2123: static int
                   2124: termp_bk_pre(DECL_ARGS)
                   2125: {
                   2126:
1.161     schwarze 2127:        switch (n->type) {
                   2128:        case (MDOC_BLOCK):
1.166     kristaps 2129:                break;
1.161     schwarze 2130:        case (MDOC_HEAD):
                   2131:                return(0);
                   2132:        case (MDOC_BODY):
                   2133:                p->flags |= TERMP_PREKEEP;
1.166     kristaps 2134:                break;
1.161     schwarze 2135:        default:
                   2136:                abort();
1.166     kristaps 2137:                /* NOTREACHED */
1.161     schwarze 2138:        }
1.166     kristaps 2139:
                   2140:        return(1);
1.159     schwarze 2141: }
                   2142:
                   2143:
                   2144: /* ARGSUSED */
                   2145: static void
                   2146: termp_bk_post(DECL_ARGS)
                   2147: {
                   2148:
1.161     schwarze 2149:        if (MDOC_BODY == n->type)
                   2150:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.159     schwarze 2151: }
1.1       kristaps 2152:
                   2153: /* ARGSUSED */
                   2154: static int
1.69      kristaps 2155: termp_under_pre(DECL_ARGS)
1.1       kristaps 2156: {
                   2157:
1.102     kristaps 2158:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2159:        return(1);
                   2160: }

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