[BACK]Return to mdoc_term.c CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/mdoc_term.c, Revision 1.172

1.172   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.171 2010/07/04 22:04:04 schwarze Exp $ */
1.1       kristaps    2: /*
1.171     schwarze    3:  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
                      4:  * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.6       kristaps   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
1.107     kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
1.158     kristaps   34: #include "regs.h"
1.1       kristaps   35: #include "mdoc.h"
1.89      kristaps   36: #include "chars.h"
                     37: #include "main.h"
1.1       kristaps   38:
1.66      kristaps   39: #define        INDENT            5
                     40: #define        HALFINDENT        3
                     41:
1.1       kristaps   42: struct termpair {
                     43:        struct termpair  *ppair;
1.31      kristaps   44:        int               count;
1.1       kristaps   45: };
                     46:
1.31      kristaps   47: #define        DECL_ARGS struct termp *p, \
                     48:                  struct termpair *pair, \
1.86      kristaps   49:                  const struct mdoc_meta *m, \
                     50:                  const struct mdoc_node *n
1.1       kristaps   51:
                     52: struct termact {
                     53:        int     (*pre)(DECL_ARGS);
                     54:        void    (*post)(DECL_ARGS);
                     55: };
                     56:
1.157     kristaps   57: static size_t    a2width(const struct termp *, const char *);
                     58: static size_t    a2height(const struct termp *, const char *);
                     59: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   60:
                     61: static void      print_bvspace(struct termp *,
1.151     kristaps   62:                        const struct mdoc_node *,
1.96      kristaps   63:                        const struct mdoc_node *);
1.102     kristaps   64: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   65: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   66: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   67: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   68: static void      synopsis_pre(struct termp *,
                     69:                        const struct mdoc_node *);
1.96      kristaps   70:
1.31      kristaps   71: static void      termp____post(DECL_ARGS);
1.61      kristaps   72: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_aq_post(DECL_ARGS);
                     74: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   75: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   76: static void      termp_bl_post(DECL_ARGS);
                     77: static void      termp_bq_post(DECL_ARGS);
                     78: static void      termp_brq_post(DECL_ARGS);
                     79: static void      termp_bx_post(DECL_ARGS);
                     80: static void      termp_d1_post(DECL_ARGS);
                     81: static void      termp_dq_post(DECL_ARGS);
1.143     kristaps   82: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   83: static void      termp_fo_post(DECL_ARGS);
                     84: static void      termp_in_post(DECL_ARGS);
                     85: static void      termp_it_post(DECL_ARGS);
                     86: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   87: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   88: static void      termp_op_post(DECL_ARGS);
                     89: static void      termp_pf_post(DECL_ARGS);
                     90: static void      termp_pq_post(DECL_ARGS);
                     91: static void      termp_qq_post(DECL_ARGS);
                     92: static void      termp_sh_post(DECL_ARGS);
                     93: static void      termp_sq_post(DECL_ARGS);
                     94: static void      termp_ss_post(DECL_ARGS);
                     95:
1.61      kristaps   96: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_ap_pre(DECL_ARGS);
                     98: static int       termp_aq_pre(DECL_ARGS);
                     99: static int       termp_bd_pre(DECL_ARGS);
                    100: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze  101: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps  102: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  103: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  104: static int       termp_bq_pre(DECL_ARGS);
                    105: static int       termp_brq_pre(DECL_ARGS);
                    106: static int       termp_bt_pre(DECL_ARGS);
                    107: static int       termp_cd_pre(DECL_ARGS);
                    108: static int       termp_d1_pre(DECL_ARGS);
                    109: static int       termp_dq_pre(DECL_ARGS);
                    110: static int       termp_ex_pre(DECL_ARGS);
                    111: static int       termp_fa_pre(DECL_ARGS);
                    112: static int       termp_fl_pre(DECL_ARGS);
                    113: static int       termp_fn_pre(DECL_ARGS);
                    114: static int       termp_fo_pre(DECL_ARGS);
                    115: static int       termp_ft_pre(DECL_ARGS);
                    116: static int       termp_in_pre(DECL_ARGS);
                    117: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  118: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_lk_pre(DECL_ARGS);
                    120: static int       termp_nd_pre(DECL_ARGS);
                    121: static int       termp_nm_pre(DECL_ARGS);
                    122: static int       termp_ns_pre(DECL_ARGS);
                    123: static int       termp_op_pre(DECL_ARGS);
                    124: static int       termp_pf_pre(DECL_ARGS);
                    125: static int       termp_pq_pre(DECL_ARGS);
                    126: static int       termp_qq_pre(DECL_ARGS);
                    127: static int       termp_rs_pre(DECL_ARGS);
                    128: static int       termp_rv_pre(DECL_ARGS);
                    129: static int       termp_sh_pre(DECL_ARGS);
                    130: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  131: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  132: static int       termp_sq_pre(DECL_ARGS);
                    133: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  134: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  135: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  136: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  137: static int       termp_xr_pre(DECL_ARGS);
                    138: static int       termp_xx_pre(DECL_ARGS);
                    139:
1.70      kristaps  140: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  141:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  142:        { NULL, NULL }, /* Dd */
                    143:        { NULL, NULL }, /* Dt */
                    144:        { NULL, NULL }, /* Os */
                    145:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    146:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  147:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  148:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    149:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    150:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    151:        { NULL, NULL }, /* Ed */
1.115     kristaps  152:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  153:        { NULL, NULL }, /* El */
                    154:        { termp_it_pre, termp_it_post }, /* It */
                    155:        { NULL, NULL }, /* Ad */
1.61      kristaps  156:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  158:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  159:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  160:        { NULL, NULL }, /* Dv */
                    161:        { NULL, NULL }, /* Er */
                    162:        { NULL, NULL }, /* Ev */
                    163:        { termp_ex_pre, NULL }, /* Ex */
                    164:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  165:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  167:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  168:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  170:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  171:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  172:        { termp_nd_pre, NULL }, /* Nd */
1.164     schwarze  173:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.1       kristaps  174:        { termp_op_pre, termp_op_post }, /* Op */
                    175:        { NULL, NULL }, /* Ot */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  177:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  178:        { NULL, NULL }, /* St */
1.69      kristaps  179:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  180:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  181:        { termp_xr_pre, NULL }, /* Xr */
                    182:        { NULL, termp____post }, /* %A */
1.84      kristaps  183:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  184:        { NULL, termp____post }, /* %D */
1.84      kristaps  185:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  186:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  187:        { NULL, termp____post }, /* %N */
                    188:        { NULL, termp____post }, /* %O */
                    189:        { NULL, termp____post }, /* %P */
                    190:        { NULL, termp____post }, /* %R */
1.117     kristaps  191:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  192:        { NULL, termp____post }, /* %V */
                    193:        { NULL, NULL }, /* Ac */
                    194:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    195:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  196:        { NULL, NULL }, /* At */
1.1       kristaps  197:        { NULL, NULL }, /* Bc */
                    198:        { termp_bf_pre, NULL }, /* Bf */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  202:        { NULL, termp_bx_post }, /* Bx */
                    203:        { NULL, NULL }, /* Db */
                    204:        { NULL, NULL }, /* Dc */
                    205:        { termp_dq_pre, termp_dq_post }, /* Do */
                    206:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  207:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  208:        { NULL, NULL }, /* Ef */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  210:        { NULL, NULL }, /* Eo */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  212:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  213:        { NULL, NULL }, /* No */
                    214:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  215:        { termp_xx_pre, NULL }, /* Nx */
                    216:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  217:        { NULL, NULL }, /* Pc */
                    218:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    219:        { termp_pq_pre, termp_pq_post }, /* Po */
                    220:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    221:        { NULL, NULL }, /* Qc */
                    222:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    225:        { NULL, NULL }, /* Re */
                    226:        { termp_rs_pre, NULL }, /* Rs */
                    227:        { NULL, NULL }, /* Sc */
                    228:        { termp_sq_pre, termp_sq_post }, /* So */
                    229:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    230:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  231:        { termp_under_pre, NULL }, /* Sx */
                    232:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  233:        { NULL, NULL }, /* Tn */
1.26      kristaps  234:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  235:        { NULL, NULL }, /* Xc */
                    236:        { NULL, NULL }, /* Xo */
                    237:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    238:        { NULL, NULL }, /* Fc */
                    239:        { termp_op_pre, termp_op_post }, /* Oo */
                    240:        { NULL, NULL }, /* Oc */
1.159     schwarze  241:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  242:        { NULL, NULL }, /* Ek */
                    243:        { termp_bt_pre, NULL }, /* Bt */
                    244:        { NULL, NULL }, /* Hf */
                    245:        { NULL, NULL }, /* Fr */
                    246:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  247:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  249:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  250:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  251:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    252:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    253:        { NULL, NULL }, /* Brc */
1.83      kristaps  254:        { NULL, termp____post }, /* %C */
1.81      kristaps  255:        { NULL, NULL }, /* Es */ /* TODO */
                    256:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  257:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  258:        { NULL, termp____post }, /* %Q */
1.76      kristaps  259:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  260:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  261:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  262:        { NULL, NULL }, /* Ta */
1.1       kristaps  263: };
                    264:
                    265:
1.70      kristaps  266: void
1.89      kristaps  267: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  268: {
1.70      kristaps  269:        const struct mdoc_node  *n;
                    270:        const struct mdoc_meta  *m;
1.89      kristaps  271:        struct termp            *p;
                    272:
                    273:        p = (struct termp *)arg;
1.111     kristaps  274:
                    275:        p->overstep = 0;
1.123     joerg     276:        p->maxrmargin = p->defrmargin;
1.157     kristaps  277:        p->tabwidth = term_len(p, 5);
1.89      kristaps  278:
                    279:        if (NULL == p->symtab)
                    280:                switch (p->enc) {
                    281:                case (TERMENC_ASCII):
                    282:                        p->symtab = chars_init(CHARS_ASCII);
                    283:                        break;
                    284:                default:
                    285:                        abort();
                    286:                        /* NOTREACHED */
                    287:                }
1.70      kristaps  288:
                    289:        n = mdoc_node(mdoc);
                    290:        m = mdoc_meta(mdoc);
1.146     schwarze  291:
                    292:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  293:
                    294:        if (n->child)
1.102     kristaps  295:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  296:
                    297:        term_end(p);
1.1       kristaps  298: }
                    299:
                    300:
1.3       kristaps  301: static void
1.102     kristaps  302: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  303: {
                    304:
1.102     kristaps  305:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  306:        if (n->next)
1.102     kristaps  307:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  308: }
                    309:
                    310:
1.70      kristaps  311: /* ARGSUSED */
1.3       kristaps  312: static void
1.102     kristaps  313: print_mdoc_node(DECL_ARGS)
1.1       kristaps  314: {
1.102     kristaps  315:        int              chld;
                    316:        const void      *font;
1.1       kristaps  317:        struct termpair  npair;
1.30      kristaps  318:        size_t           offset, rmargin;
1.1       kristaps  319:
1.70      kristaps  320:        chld = 1;
1.29      kristaps  321:        offset = p->offset;
1.30      kristaps  322:        rmargin = p->rmargin;
1.102     kristaps  323:        font = term_fontq(p);
1.29      kristaps  324:
1.97      kristaps  325:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  326:        npair.ppair = pair;
1.46      kristaps  327:
1.162     schwarze  328:        if (MDOC_TEXT == n->type)
1.86      kristaps  329:                term_word(p, n->string);
1.163     kristaps  330:        else if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
1.162     schwarze  331:                chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.172   ! kristaps  332:
        !           333:        /*
        !           334:         * Keeps only work until the end of a line.  If a keep was
        !           335:         * invoked in a prior line, revert it to PREKEEP.
        !           336:         */
        !           337:
        !           338:        if (TERMP_KEEP & p->flags) {
        !           339:                if (n->prev && n->prev->line != n->line) {
        !           340:                        p->flags &= ~TERMP_KEEP;
        !           341:                        p->flags |= TERMP_PREKEEP;
        !           342:                } else if (NULL == n->prev) {
        !           343:                        if (n->parent && n->parent->line != n->line) {
        !           344:                                p->flags &= ~TERMP_KEEP;
        !           345:                                p->flags |= TERMP_PREKEEP;
        !           346:                        }
        !           347:                }
        !           348:        }
1.102     kristaps  349:
1.86      kristaps  350:        if (chld && n->child)
1.102     kristaps  351:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  352:
1.102     kristaps  353:        term_fontpopq(p, font);
1.46      kristaps  354:
1.165     kristaps  355:        if (MDOC_TEXT != n->type && termacts[n->tok].post &&
                    356:                        ! (MDOC_ENDED & n->flags)) {
                    357:                (void)(*termacts[n->tok].post)(p, &npair, m, n);
1.162     schwarze  358:
                    359:                /*
                    360:                 * Explicit end tokens not only call the post
                    361:                 * handler, but also tell the respective block
                    362:                 * that it must not call the post handler again.
                    363:                 */
1.165     kristaps  364:                if (ENDBODY_NOT != n->end)
1.162     schwarze  365:                        n->pending->flags |= MDOC_ENDED;
                    366:
                    367:                /*
                    368:                 * End of line terminating an implicit block
                    369:                 * while an explicit block is still open.
                    370:                 * Continue the explicit block without spacing.
                    371:                 */
                    372:                if (ENDBODY_NOSPACE == n->end)
                    373:                        p->flags |= TERMP_NOSPACE;
                    374:        }
1.121     kristaps  375:
                    376:        if (MDOC_EOS & n->flags)
                    377:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  378:
                    379:        p->offset = offset;
1.30      kristaps  380:        p->rmargin = rmargin;
1.1       kristaps  381: }
                    382:
                    383:
1.3       kristaps  384: static void
1.145     kristaps  385: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  386: {
1.98      kristaps  387:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  388:        const struct mdoc_meta *m;
                    389:
                    390:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  391:
1.102     kristaps  392:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  393:
1.9       kristaps  394:        /*
                    395:         * Output the footer in new-groff style, that is, three columns
                    396:         * with the middle being the manual date and flanking columns
                    397:         * being the operating system:
                    398:         *
                    399:         * SYSTEM                  DATE                    SYSTEM
                    400:         */
                    401:
1.94      kristaps  402:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  403:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  404:
                    405:        term_vspace(p);
                    406:
1.9       kristaps  407:        p->offset = 0;
1.157     kristaps  408:        p->rmargin = (p->maxrmargin -
                    409:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  410:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    411:
                    412:        term_word(p, os);
                    413:        term_flushln(p);
                    414:
1.9       kristaps  415:        p->offset = p->rmargin;
1.157     kristaps  416:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  417:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  418:
                    419:        term_word(p, buf);
                    420:        term_flushln(p);
                    421:
1.1       kristaps  422:        p->offset = p->rmargin;
                    423:        p->rmargin = p->maxrmargin;
                    424:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  425:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  426:
1.9       kristaps  427:        term_word(p, os);
1.1       kristaps  428:        term_flushln(p);
                    429:
1.9       kristaps  430:        p->offset = 0;
                    431:        p->rmargin = p->maxrmargin;
                    432:        p->flags = 0;
1.1       kristaps  433: }
                    434:
                    435:
1.3       kristaps  436: static void
1.144     kristaps  437: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  438: {
1.98      kristaps  439:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  440:        const struct mdoc_meta *m;
                    441:
                    442:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  443:
                    444:        p->rmargin = p->maxrmargin;
                    445:        p->offset = 0;
                    446:
                    447:        /*
                    448:         * The header is strange.  It has three components, which are
                    449:         * really two with the first duplicated.  It goes like this:
                    450:         *
                    451:         * IDENTIFIER              TITLE                   IDENTIFIER
                    452:         *
                    453:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    454:         * (if given, or "unknown" if not) followed by the manual page
                    455:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    456:         * string depending on the manual volume.  If not specified, it
                    457:         * switches on the manual section.
                    458:         */
                    459:
1.86      kristaps  460:        assert(m->vol);
1.98      kristaps  461:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  462:
1.86      kristaps  463:        if (m->arch) {
1.98      kristaps  464:                strlcat(buf, " (", BUFSIZ);
                    465:                strlcat(buf, m->arch, BUFSIZ);
                    466:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  467:        }
                    468:
1.124     kristaps  469:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  470:
                    471:        p->offset = 0;
1.157     kristaps  472:        p->rmargin = (p->maxrmargin -
                    473:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  474:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    475:
                    476:        term_word(p, title);
                    477:        term_flushln(p);
                    478:
                    479:        p->offset = p->rmargin;
1.157     kristaps  480:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  481:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  482:
                    483:        term_word(p, buf);
                    484:        term_flushln(p);
                    485:
                    486:        p->offset = p->rmargin;
                    487:        p->rmargin = p->maxrmargin;
                    488:        p->flags &= ~TERMP_NOBREAK;
                    489:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    490:
                    491:        term_word(p, title);
                    492:        term_flushln(p);
                    493:
1.9       kristaps  494:        p->offset = 0;
1.1       kristaps  495:        p->rmargin = p->maxrmargin;
                    496:        p->flags &= ~TERMP_NOSPACE;
                    497: }
                    498:
                    499:
                    500: static size_t
1.157     kristaps  501: a2height(const struct termp *p, const char *v)
1.1       kristaps  502: {
1.92      kristaps  503:        struct roffsu    su;
1.91      kristaps  504:
1.157     kristaps  505:        assert(v);
                    506:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    507:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  508:
1.157     kristaps  509:        return(term_vspan(p, &su));
1.91      kristaps  510: }
1.1       kristaps  511:
1.40      kristaps  512:
1.91      kristaps  513: static size_t
1.157     kristaps  514: a2width(const struct termp *p, const char *v)
1.91      kristaps  515: {
1.92      kristaps  516:        struct roffsu    su;
1.1       kristaps  517:
1.154     kristaps  518:        assert(v);
                    519:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  520:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  521:
1.157     kristaps  522:        return(term_hspan(p, &su));
1.1       kristaps  523: }
                    524:
                    525:
                    526: static size_t
1.157     kristaps  527: a2offs(const struct termp *p, const char *v)
1.1       kristaps  528: {
1.92      kristaps  529:        struct roffsu    su;
1.1       kristaps  530:
1.148     kristaps  531:        if ('\0' == *v)
1.91      kristaps  532:                return(0);
1.148     kristaps  533:        else if (0 == strcmp(v, "left"))
1.19      kristaps  534:                return(0);
1.148     kristaps  535:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  536:                return(term_len(p, INDENT + 1));
1.148     kristaps  537:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  538:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  539:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  540:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  541:
1.157     kristaps  542:        return(term_hspan(p, &su));
1.1       kristaps  543: }
                    544:
                    545:
1.108     kristaps  546: /*
                    547:  * Determine how much space to print out before block elements of `It'
                    548:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    549:  * too.
                    550:  */
1.54      kristaps  551: static void
1.151     kristaps  552: print_bvspace(struct termp *p,
                    553:                const struct mdoc_node *bl,
                    554:                const struct mdoc_node *n)
1.1       kristaps  555: {
1.86      kristaps  556:        const struct mdoc_node  *nn;
1.1       kristaps  557:
                    558:        term_newln(p);
1.150     kristaps  559:
1.165     kristaps  560:        if (MDOC_Bd == bl->tok && bl->data.Bd->comp)
1.150     kristaps  561:                return;
1.165     kristaps  562:        if (MDOC_Bl == bl->tok && bl->data.Bl->comp)
1.54      kristaps  563:                return;
                    564:
1.85      kristaps  565:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  566:
1.86      kristaps  567:        for (nn = n; nn; nn = nn->parent) {
                    568:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  569:                        continue;
1.86      kristaps  570:                if (MDOC_Ss == nn->tok)
1.54      kristaps  571:                        return;
1.86      kristaps  572:                if (MDOC_Sh == nn->tok)
1.54      kristaps  573:                        return;
1.86      kristaps  574:                if (NULL == nn->prev)
1.1       kristaps  575:                        continue;
                    576:                break;
                    577:        }
                    578:
1.85      kristaps  579:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  580:
1.165     kristaps  581:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl->type)
1.86      kristaps  582:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  583:                        return;
                    584:
1.85      kristaps  585:        /* A `-diag' without body does not vspace. */
                    586:
1.165     kristaps  587:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl->type)
1.86      kristaps  588:                if (n->prev && MDOC_It == n->prev->tok) {
                    589:                        assert(n->prev->body);
                    590:                        if (NULL == n->prev->body->child)
1.55      kristaps  591:                                return;
                    592:                }
                    593:
1.54      kristaps  594:        term_vspace(p);
1.1       kristaps  595: }
                    596:
                    597:
                    598: /* ARGSUSED */
                    599: static int
                    600: termp_dq_pre(DECL_ARGS)
                    601: {
                    602:
1.86      kristaps  603:        if (MDOC_BODY != n->type)
1.1       kristaps  604:                return(1);
                    605:
                    606:        term_word(p, "\\(lq");
                    607:        p->flags |= TERMP_NOSPACE;
                    608:        return(1);
                    609: }
                    610:
                    611:
                    612: /* ARGSUSED */
                    613: static void
                    614: termp_dq_post(DECL_ARGS)
                    615: {
                    616:
1.86      kristaps  617:        if (MDOC_BODY != n->type)
1.1       kristaps  618:                return;
                    619:
                    620:        p->flags |= TERMP_NOSPACE;
                    621:        term_word(p, "\\(rq");
                    622: }
                    623:
                    624:
                    625: /* ARGSUSED */
                    626: static int
                    627: termp_it_pre(DECL_ARGS)
                    628: {
1.86      kristaps  629:        const struct mdoc_node *bl, *nn;
1.1       kristaps  630:        char                    buf[7];
1.170     kristaps  631:        int                     i;
1.108     kristaps  632:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  633:        enum mdoc_list          type;
1.1       kristaps  634:
1.86      kristaps  635:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  636:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  637:                return(1);
                    638:        }
1.1       kristaps  639:
1.86      kristaps  640:        bl = n->parent->parent->parent;
1.165     kristaps  641:        assert(bl->data.Bl);
                    642:        type = bl->data.Bl->type;
1.1       kristaps  643:
1.108     kristaps  644:        /*
                    645:         * First calculate width and offset.  This is pretty easy unless
                    646:         * we're a -column list, in which case all prior columns must
                    647:         * be accounted for.
                    648:         */
                    649:
                    650:        width = offset = 0;
                    651:
1.165     kristaps  652:        if (bl->data.Bl->offs)
                    653:                offset = a2offs(p, bl->data.Bl->offs);
1.152     kristaps  654:
1.1       kristaps  655:        switch (type) {
1.126     kristaps  656:        case (LIST_column):
1.134     kristaps  657:                if (MDOC_HEAD == n->type)
1.1       kristaps  658:                        break;
1.155     kristaps  659:
1.105     kristaps  660:                /*
1.108     kristaps  661:                 * Imitate groff's column handling:
                    662:                 * - For each earlier column, add its width.
                    663:                 * - For less than 5 columns, add four more blanks per
                    664:                 *   column.
                    665:                 * - For exactly 5 columns, add three more blank per
                    666:                 *   column.
                    667:                 * - For more than 5 columns, add only one column.
1.105     kristaps  668:                 */
1.170     kristaps  669:                ncols = bl->data.Bl->ncols;
                    670:
1.108     kristaps  671:                /* LINTED */
1.157     kristaps  672:                dcol = ncols < 5 ? term_len(p, 4) :
                    673:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  674:
1.134     kristaps  675:                /*
                    676:                 * Calculate the offset by applying all prior MDOC_BODY,
                    677:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    678:                 */
                    679:
1.108     kristaps  680:                for (i = 0, nn = n->prev;
1.134     kristaps  681:                                nn->prev && i < (int)ncols;
1.108     kristaps  682:                                nn = nn->prev, i++)
                    683:                        offset += dcol + a2width
1.170     kristaps  684:                                (p, bl->data.Bl->cols[i]);
1.105     kristaps  685:
                    686:                /*
1.108     kristaps  687:                 * When exceeding the declared number of columns, leave
                    688:                 * the remaining widths at 0.  This will later be
                    689:                 * adjusted to the default width of 10, or, for the last
                    690:                 * column, stretched to the right margin.
1.58      kristaps  691:                 */
1.108     kristaps  692:                if (i >= (int)ncols)
                    693:                        break;
1.58      kristaps  694:
1.105     kristaps  695:                /*
1.108     kristaps  696:                 * Use the declared column widths, extended as explained
                    697:                 * in the preceding paragraph.
1.105     kristaps  698:                 */
1.170     kristaps  699:                width = a2width(p, bl->data.Bl->cols[i]) + dcol;
1.1       kristaps  700:                break;
                    701:        default:
1.165     kristaps  702:                if (NULL == bl->data.Bl->width)
1.108     kristaps  703:                        break;
                    704:
                    705:                /*
                    706:                 * Note: buffer the width by 2, which is groff's magic
                    707:                 * number for buffering single arguments.  See the above
                    708:                 * handling for column for how this changes.
                    709:                 */
1.165     kristaps  710:                assert(bl->data.Bl->width);
                    711:                width = a2width(p, bl->data.Bl->width) + term_len(p, 2);
1.1       kristaps  712:                break;
                    713:        }
                    714:
                    715:        /*
                    716:         * List-type can override the width in the case of fixed-head
                    717:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  718:         * offset.
1.1       kristaps  719:         */
                    720:
                    721:        switch (type) {
1.126     kristaps  722:        case (LIST_bullet):
1.1       kristaps  723:                /* FALLTHROUGH */
1.126     kristaps  724:        case (LIST_dash):
1.1       kristaps  725:                /* FALLTHROUGH */
1.126     kristaps  726:        case (LIST_hyphen):
1.157     kristaps  727:                if (width < term_len(p, 4))
                    728:                        width = term_len(p, 4);
1.1       kristaps  729:                break;
1.126     kristaps  730:        case (LIST_enum):
1.157     kristaps  731:                if (width < term_len(p, 5))
                    732:                        width = term_len(p, 5);
1.17      kristaps  733:                break;
1.126     kristaps  734:        case (LIST_hang):
1.39      kristaps  735:                if (0 == width)
1.157     kristaps  736:                        width = term_len(p, 8);
1.39      kristaps  737:                break;
1.126     kristaps  738:        case (LIST_column):
1.49      kristaps  739:                /* FALLTHROUGH */
1.126     kristaps  740:        case (LIST_tag):
1.1       kristaps  741:                if (0 == width)
1.157     kristaps  742:                        width = term_len(p, 10);
1.1       kristaps  743:                break;
                    744:        default:
                    745:                break;
                    746:        }
                    747:
                    748:        /*
1.17      kristaps  749:         * Whitespace control.  Inset bodies need an initial space,
                    750:         * while diagonal bodies need two.
1.1       kristaps  751:         */
                    752:
1.51      kristaps  753:        p->flags |= TERMP_NOSPACE;
                    754:
1.1       kristaps  755:        switch (type) {
1.126     kristaps  756:        case (LIST_diag):
1.86      kristaps  757:                if (MDOC_BODY == n->type)
1.62      kristaps  758:                        term_word(p, "\\ \\ ");
1.51      kristaps  759:                break;
1.126     kristaps  760:        case (LIST_inset):
1.86      kristaps  761:                if (MDOC_BODY == n->type)
1.51      kristaps  762:                        term_word(p, "\\ ");
1.1       kristaps  763:                break;
                    764:        default:
                    765:                break;
                    766:        }
                    767:
1.51      kristaps  768:        p->flags |= TERMP_NOSPACE;
                    769:
1.1       kristaps  770:        switch (type) {
1.126     kristaps  771:        case (LIST_diag):
1.86      kristaps  772:                if (MDOC_HEAD == n->type)
1.102     kristaps  773:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  774:                break;
                    775:        default:
                    776:                break;
                    777:        }
                    778:
                    779:        /*
1.109     kristaps  780:         * Pad and break control.  This is the tricky part.  These flags
                    781:         * are documented in term_flushln() in term.c.  Note that we're
                    782:         * going to unset all of these flags in termp_it_post() when we
                    783:         * exit.
1.1       kristaps  784:         */
                    785:
                    786:        switch (type) {
1.126     kristaps  787:        case (LIST_bullet):
1.1       kristaps  788:                /* FALLTHROUGH */
1.126     kristaps  789:        case (LIST_dash):
1.1       kristaps  790:                /* FALLTHROUGH */
1.126     kristaps  791:        case (LIST_enum):
1.1       kristaps  792:                /* FALLTHROUGH */
1.126     kristaps  793:        case (LIST_hyphen):
1.86      kristaps  794:                if (MDOC_HEAD == n->type)
1.39      kristaps  795:                        p->flags |= TERMP_NOBREAK;
                    796:                else
                    797:                        p->flags |= TERMP_NOLPAD;
                    798:                break;
1.126     kristaps  799:        case (LIST_hang):
1.86      kristaps  800:                if (MDOC_HEAD == n->type)
1.39      kristaps  801:                        p->flags |= TERMP_NOBREAK;
                    802:                else
                    803:                        p->flags |= TERMP_NOLPAD;
                    804:
1.86      kristaps  805:                if (MDOC_HEAD != n->type)
1.59      kristaps  806:                        break;
                    807:
                    808:                /*
                    809:                 * This is ugly.  If `-hang' is specified and the body
                    810:                 * is a `Bl' or `Bd', then we want basically to nullify
                    811:                 * the "overstep" effect in term_flushln() and treat
                    812:                 * this as a `-ohang' list instead.
                    813:                 */
1.86      kristaps  814:                if (n->next->child &&
                    815:                                (MDOC_Bl == n->next->child->tok ||
                    816:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  817:                        p->flags &= ~TERMP_NOBREAK;
                    818:                        p->flags &= ~TERMP_NOLPAD;
                    819:                } else
1.39      kristaps  820:                        p->flags |= TERMP_HANG;
                    821:                break;
1.126     kristaps  822:        case (LIST_tag):
1.86      kristaps  823:                if (MDOC_HEAD == n->type)
1.51      kristaps  824:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  825:                else
                    826:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  827:
1.86      kristaps  828:                if (MDOC_HEAD != n->type)
1.39      kristaps  829:                        break;
1.86      kristaps  830:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  831:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  832:                break;
1.126     kristaps  833:        case (LIST_column):
1.134     kristaps  834:                if (MDOC_HEAD == n->type)
                    835:                        break;
                    836:
                    837:                if (NULL == n->next)
                    838:                        p->flags &= ~TERMP_NOBREAK;
                    839:                else
                    840:                        p->flags |= TERMP_NOBREAK;
                    841:
                    842:                assert(n->prev);
                    843:                if (MDOC_BODY == n->prev->type)
                    844:                        p->flags |= TERMP_NOLPAD;
                    845:
1.1       kristaps  846:                break;
1.126     kristaps  847:        case (LIST_diag):
1.86      kristaps  848:                if (MDOC_HEAD == n->type)
1.1       kristaps  849:                        p->flags |= TERMP_NOBREAK;
                    850:                break;
                    851:        default:
                    852:                break;
                    853:        }
                    854:
                    855:        /*
                    856:         * Margin control.  Set-head-width lists have their right
                    857:         * margins shortened.  The body for these lists has the offset
                    858:         * necessarily lengthened.  Everybody gets the offset.
                    859:         */
                    860:
                    861:        p->offset += offset;
                    862:
                    863:        switch (type) {
1.126     kristaps  864:        case (LIST_hang):
1.59      kristaps  865:                /*
                    866:                 * Same stipulation as above, regarding `-hang'.  We
                    867:                 * don't want to recalculate rmargin and offsets when
                    868:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    869:                 */
1.86      kristaps  870:                if (MDOC_HEAD == n->type && n->next->child &&
                    871:                                (MDOC_Bl == n->next->child->tok ||
                    872:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  873:                        break;
                    874:                /* FALLTHROUGH */
1.126     kristaps  875:        case (LIST_bullet):
1.1       kristaps  876:                /* FALLTHROUGH */
1.126     kristaps  877:        case (LIST_dash):
1.1       kristaps  878:                /* FALLTHROUGH */
1.126     kristaps  879:        case (LIST_enum):
1.1       kristaps  880:                /* FALLTHROUGH */
1.126     kristaps  881:        case (LIST_hyphen):
1.1       kristaps  882:                /* FALLTHROUGH */
1.126     kristaps  883:        case (LIST_tag):
1.49      kristaps  884:                assert(width);
1.86      kristaps  885:                if (MDOC_HEAD == n->type)
1.1       kristaps  886:                        p->rmargin = p->offset + width;
                    887:                else
                    888:                        p->offset += width;
                    889:                break;
1.126     kristaps  890:        case (LIST_column):
1.49      kristaps  891:                assert(width);
1.1       kristaps  892:                p->rmargin = p->offset + width;
1.50      kristaps  893:                /*
                    894:                 * XXX - this behaviour is not documented: the
                    895:                 * right-most column is filled to the right margin.
                    896:                 */
1.134     kristaps  897:                if (MDOC_HEAD == n->type)
                    898:                        break;
                    899:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  900:                        p->rmargin = p->maxrmargin;
1.1       kristaps  901:                break;
                    902:        default:
                    903:                break;
                    904:        }
                    905:
                    906:        /*
                    907:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  908:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  909:         */
                    910:
1.86      kristaps  911:        if (MDOC_HEAD == n->type)
1.1       kristaps  912:                switch (type) {
1.126     kristaps  913:                case (LIST_bullet):
1.102     kristaps  914:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  915:                        term_word(p, "\\[bu]");
1.102     kristaps  916:                        term_fontpop(p);
1.1       kristaps  917:                        break;
1.126     kristaps  918:                case (LIST_dash):
1.1       kristaps  919:                        /* FALLTHROUGH */
1.126     kristaps  920:                case (LIST_hyphen):
1.102     kristaps  921:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  922:                        term_word(p, "\\(hy");
1.102     kristaps  923:                        term_fontpop(p);
1.1       kristaps  924:                        break;
1.126     kristaps  925:                case (LIST_enum):
1.1       kristaps  926:                        (pair->ppair->ppair->count)++;
1.109     kristaps  927:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  928:                                        pair->ppair->ppair->count);
                    929:                        term_word(p, buf);
                    930:                        break;
                    931:                default:
                    932:                        break;
                    933:                }
                    934:
                    935:        /*
                    936:         * If we're not going to process our children, indicate so here.
                    937:         */
                    938:
                    939:        switch (type) {
1.126     kristaps  940:        case (LIST_bullet):
1.1       kristaps  941:                /* FALLTHROUGH */
1.126     kristaps  942:        case (LIST_item):
1.1       kristaps  943:                /* FALLTHROUGH */
1.126     kristaps  944:        case (LIST_dash):
1.1       kristaps  945:                /* FALLTHROUGH */
1.126     kristaps  946:        case (LIST_hyphen):
1.1       kristaps  947:                /* FALLTHROUGH */
1.126     kristaps  948:        case (LIST_enum):
1.86      kristaps  949:                if (MDOC_HEAD == n->type)
1.1       kristaps  950:                        return(0);
                    951:                break;
1.126     kristaps  952:        case (LIST_column):
1.134     kristaps  953:                if (MDOC_HEAD == n->type)
1.1       kristaps  954:                        return(0);
                    955:                break;
                    956:        default:
                    957:                break;
                    958:        }
                    959:
                    960:        return(1);
                    961: }
                    962:
                    963:
                    964: /* ARGSUSED */
                    965: static void
                    966: termp_it_post(DECL_ARGS)
                    967: {
1.126     kristaps  968:        enum mdoc_list     type;
1.1       kristaps  969:
1.109     kristaps  970:        if (MDOC_BLOCK == n->type)
1.1       kristaps  971:                return;
                    972:
1.165     kristaps  973:        type = n->parent->parent->parent->data.Bl->type;
1.1       kristaps  974:
                    975:        switch (type) {
1.126     kristaps  976:        case (LIST_item):
1.1       kristaps  977:                /* FALLTHROUGH */
1.126     kristaps  978:        case (LIST_diag):
1.53      kristaps  979:                /* FALLTHROUGH */
1.126     kristaps  980:        case (LIST_inset):
1.86      kristaps  981:                if (MDOC_BODY == n->type)
1.130     schwarze  982:                        term_newln(p);
1.1       kristaps  983:                break;
1.126     kristaps  984:        case (LIST_column):
1.134     kristaps  985:                if (MDOC_BODY == n->type)
1.1       kristaps  986:                        term_flushln(p);
                    987:                break;
                    988:        default:
1.130     schwarze  989:                term_newln(p);
1.1       kristaps  990:                break;
                    991:        }
                    992:
1.109     kristaps  993:        /*
                    994:         * Now that our output is flushed, we can reset our tags.  Since
                    995:         * only `It' sets these flags, we're free to assume that nobody
                    996:         * has munged them in the meanwhile.
                    997:         */
                    998:
                    999:        p->flags &= ~TERMP_DANGLE;
                   1000:        p->flags &= ~TERMP_NOBREAK;
                   1001:        p->flags &= ~TERMP_TWOSPACE;
                   1002:        p->flags &= ~TERMP_NOLPAD;
                   1003:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1004: }
                   1005:
                   1006:
                   1007: /* ARGSUSED */
                   1008: static int
                   1009: termp_nm_pre(DECL_ARGS)
                   1010: {
                   1011:
1.164     schwarze 1012:        if (MDOC_BLOCK == n->type)
                   1013:                return(1);
                   1014:
                   1015:        if (MDOC_BODY == n->type) {
                   1016:                if (NULL == n->child)
                   1017:                        return(0);
                   1018:                p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                   1019:                p->offset += term_len(p, 1) +
                   1020:                    (NULL == n->prev->child ? term_strlen(p, m->name) :
                   1021:                     MDOC_TEXT == n->prev->child->type ?
                   1022:                        term_strlen(p, n->prev->child->string) :
                   1023:                     term_len(p, 5));
                   1024:                return(1);
                   1025:        }
                   1026:
1.125     kristaps 1027:        if (NULL == n->child && NULL == m->name)
1.164     schwarze 1028:                return(0);
1.125     kristaps 1029:
1.143     kristaps 1030:        synopsis_pre(p, n);
1.102     kristaps 1031:
1.164     schwarze 1032:        if (MDOC_HEAD == n->type && n->next->child) {
                   1033:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_HANG;
                   1034:                p->rmargin = p->offset + term_len(p, 1) +
                   1035:                    (NULL == n->child ? term_strlen(p, m->name) :
                   1036:                     MDOC_TEXT == n->child->type ?
                   1037:                        term_strlen(p, n->child->string) :
                   1038:                     term_len(p, 5));
                   1039:        }
                   1040:
1.102     kristaps 1041:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1042:        if (NULL == n->child)
                   1043:                term_word(p, m->name);
1.1       kristaps 1044:        return(1);
                   1045: }
                   1046:
                   1047:
1.164     schwarze 1048: /* ARGSUSED */
                   1049: static void
                   1050: termp_nm_post(DECL_ARGS)
                   1051: {
                   1052:
                   1053:        if (MDOC_HEAD == n->type && n->next->child) {
                   1054:                term_flushln(p);
                   1055:                p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
                   1056:        } else if (MDOC_BODY == n->type && n->child) {
                   1057:                term_flushln(p);
                   1058:                p->flags &= ~TERMP_NOLPAD;
                   1059:        }
                   1060: }
                   1061:
                   1062:
1.1       kristaps 1063: /* ARGSUSED */
                   1064: static int
                   1065: termp_fl_pre(DECL_ARGS)
                   1066: {
                   1067:
1.102     kristaps 1068:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1069:        term_word(p, "\\-");
1.103     kristaps 1070:
                   1071:        if (n->child)
1.114     kristaps 1072:                p->flags |= TERMP_NOSPACE;
                   1073:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1074:                p->flags |= TERMP_NOSPACE;
                   1075:
1.1       kristaps 1076:        return(1);
                   1077: }
                   1078:
                   1079:
                   1080: /* ARGSUSED */
                   1081: static int
1.61      kristaps 1082: termp_an_pre(DECL_ARGS)
                   1083: {
                   1084:
1.86      kristaps 1085:        if (NULL == n->child)
1.61      kristaps 1086:                return(1);
                   1087:
                   1088:        /*
1.85      kristaps 1089:         * If not in the AUTHORS section, `An -split' will cause
                   1090:         * newlines to occur before the author name.  If in the AUTHORS
                   1091:         * section, by default, the first `An' invocation is nosplit,
                   1092:         * then all subsequent ones, regardless of whether interspersed
                   1093:         * with other macros/text, are split.  -split, in this case,
                   1094:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1095:         */
                   1096:
1.86      kristaps 1097:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1098:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1099:                        if (TERMP_SPLIT & p->flags)
                   1100:                                term_newln(p);
                   1101:                        return(1);
                   1102:                }
                   1103:                if (TERMP_NOSPLIT & p->flags)
                   1104:                        return(1);
                   1105:                term_newln(p);
                   1106:                return(1);
                   1107:        }
                   1108:
                   1109:        if (TERMP_SPLIT & p->flags)
                   1110:                term_newln(p);
                   1111:
                   1112:        return(1);
                   1113: }
                   1114:
                   1115:
                   1116: /* ARGSUSED */
                   1117: static void
                   1118: termp_an_post(DECL_ARGS)
                   1119: {
                   1120:
1.86      kristaps 1121:        if (n->child) {
                   1122:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1123:                        p->flags |= TERMP_ANPREC;
                   1124:                return;
                   1125:        }
                   1126:
1.168     kristaps 1127:        if (AUTH_split == n->data.An.auth) {
1.61      kristaps 1128:                p->flags &= ~TERMP_NOSPLIT;
                   1129:                p->flags |= TERMP_SPLIT;
1.168     kristaps 1130:        } else if (AUTH_nosplit == n->data.An.auth) {
1.61      kristaps 1131:                p->flags &= ~TERMP_SPLIT;
                   1132:                p->flags |= TERMP_NOSPLIT;
                   1133:        }
                   1134:
                   1135: }
                   1136:
                   1137:
                   1138: /* ARGSUSED */
                   1139: static int
1.1       kristaps 1140: termp_ns_pre(DECL_ARGS)
                   1141: {
                   1142:
                   1143:        p->flags |= TERMP_NOSPACE;
                   1144:        return(1);
                   1145: }
                   1146:
                   1147:
                   1148: /* ARGSUSED */
                   1149: static int
                   1150: termp_rs_pre(DECL_ARGS)
                   1151: {
                   1152:
1.86      kristaps 1153:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1154:                return(1);
1.86      kristaps 1155:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1156:                term_vspace(p);
                   1157:        return(1);
                   1158: }
                   1159:
                   1160:
                   1161: /* ARGSUSED */
                   1162: static int
                   1163: termp_rv_pre(DECL_ARGS)
                   1164: {
1.68      kristaps 1165:        const struct mdoc_node  *nn;
1.1       kristaps 1166:
                   1167:        term_newln(p);
                   1168:        term_word(p, "The");
                   1169:
1.86      kristaps 1170:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1171:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1172:                term_word(p, nn->string);
1.102     kristaps 1173:                term_fontpop(p);
1.68      kristaps 1174:                p->flags |= TERMP_NOSPACE;
                   1175:                if (nn->next && NULL == nn->next->next)
                   1176:                        term_word(p, "(), and");
                   1177:                else if (nn->next)
                   1178:                        term_word(p, "(),");
                   1179:                else
                   1180:                        term_word(p, "()");
                   1181:        }
                   1182:
1.125     kristaps 1183:        if (n->child && n->child->next)
1.68      kristaps 1184:                term_word(p, "functions return");
                   1185:        else
                   1186:                term_word(p, "function returns");
1.1       kristaps 1187:
1.68      kristaps 1188:                term_word(p, "the value 0 if successful; otherwise the value "
                   1189:                        "-1 is returned and the global variable");
1.1       kristaps 1190:
1.102     kristaps 1191:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1192:        term_word(p, "errno");
1.102     kristaps 1193:        term_fontpop(p);
1.1       kristaps 1194:
                   1195:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1196:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1197:
1.68      kristaps 1198:        return(0);
1.1       kristaps 1199: }
                   1200:
                   1201:
                   1202: /* ARGSUSED */
                   1203: static int
                   1204: termp_ex_pre(DECL_ARGS)
                   1205: {
1.68      kristaps 1206:        const struct mdoc_node  *nn;
1.1       kristaps 1207:
1.68      kristaps 1208:        term_word(p, "The");
1.1       kristaps 1209:
1.86      kristaps 1210:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1211:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1212:                term_word(p, nn->string);
1.102     kristaps 1213:                term_fontpop(p);
1.68      kristaps 1214:                p->flags |= TERMP_NOSPACE;
                   1215:                if (nn->next && NULL == nn->next->next)
                   1216:                        term_word(p, ", and");
                   1217:                else if (nn->next)
                   1218:                        term_word(p, ",");
                   1219:                else
                   1220:                        p->flags &= ~TERMP_NOSPACE;
                   1221:        }
                   1222:
1.125     kristaps 1223:        if (n->child && n->child->next)
1.68      kristaps 1224:                term_word(p, "utilities exit");
                   1225:        else
                   1226:                term_word(p, "utility exits");
                   1227:
                   1228:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1229:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1230:
1.68      kristaps 1231:        return(0);
1.1       kristaps 1232: }
                   1233:
                   1234:
                   1235: /* ARGSUSED */
                   1236: static int
                   1237: termp_nd_pre(DECL_ARGS)
                   1238: {
1.25      kristaps 1239:
1.86      kristaps 1240:        if (MDOC_BODY != n->type)
1.25      kristaps 1241:                return(1);
1.30      kristaps 1242:
1.27      kristaps 1243: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1244:        term_word(p, "\\(en");
1.23      kristaps 1245: #else
                   1246:        term_word(p, "\\(em");
                   1247: #endif
1.1       kristaps 1248:        return(1);
1.115     kristaps 1249: }
                   1250:
                   1251:
                   1252: /* ARGSUSED */
                   1253: static int
                   1254: termp_bl_pre(DECL_ARGS)
                   1255: {
                   1256:
                   1257:        return(MDOC_HEAD != n->type);
1.1       kristaps 1258: }
                   1259:
                   1260:
                   1261: /* ARGSUSED */
                   1262: static void
                   1263: termp_bl_post(DECL_ARGS)
                   1264: {
                   1265:
1.86      kristaps 1266:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1267:                term_newln(p);
                   1268: }
                   1269:
                   1270:
                   1271: /* ARGSUSED */
                   1272: static void
                   1273: termp_op_post(DECL_ARGS)
                   1274: {
                   1275:
1.86      kristaps 1276:        if (MDOC_BODY != n->type)
1.1       kristaps 1277:                return;
                   1278:        p->flags |= TERMP_NOSPACE;
                   1279:        term_word(p, "\\(rB");
                   1280: }
                   1281:
                   1282:
                   1283: /* ARGSUSED */
                   1284: static int
                   1285: termp_xr_pre(DECL_ARGS)
                   1286: {
1.86      kristaps 1287:        const struct mdoc_node *nn;
1.1       kristaps 1288:
1.113     kristaps 1289:        if (NULL == n->child)
                   1290:                return(0);
                   1291:
                   1292:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1293:        nn = n->child;
1.11      kristaps 1294:
1.86      kristaps 1295:        term_word(p, nn->string);
                   1296:        if (NULL == (nn = nn->next))
1.1       kristaps 1297:                return(0);
                   1298:        p->flags |= TERMP_NOSPACE;
                   1299:        term_word(p, "(");
                   1300:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1301:        term_word(p, nn->string);
1.1       kristaps 1302:        p->flags |= TERMP_NOSPACE;
                   1303:        term_word(p, ")");
1.86      kristaps 1304:
1.1       kristaps 1305:        return(0);
                   1306: }
                   1307:
                   1308:
1.143     kristaps 1309: /*
                   1310:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1311:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1312:  * macro combos).
                   1313:  */
                   1314: static void
                   1315: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1316: {
                   1317:        /*
                   1318:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1319:         * exist, do nothing.
                   1320:         */
1.160     kristaps 1321:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1322:                return;
                   1323:
                   1324:        /*
                   1325:         * If we're the second in a pair of like elements, emit our
                   1326:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1327:         * case we soldier on.
                   1328:         */
                   1329:        if (n->prev->tok == n->tok &&
                   1330:                        MDOC_Ft != n->tok &&
                   1331:                        MDOC_Fo != n->tok &&
                   1332:                        MDOC_Fn != n->tok) {
                   1333:                term_newln(p);
                   1334:                return;
                   1335:        }
                   1336:
                   1337:        /*
                   1338:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1339:         * another (or Fn/Fo, which we've let slip through) then assert
                   1340:         * vertical space, else only newline and move on.
                   1341:         */
                   1342:        switch (n->prev->tok) {
                   1343:        case (MDOC_Fd):
                   1344:                /* FALLTHROUGH */
                   1345:        case (MDOC_Fn):
                   1346:                /* FALLTHROUGH */
                   1347:        case (MDOC_Fo):
                   1348:                /* FALLTHROUGH */
                   1349:        case (MDOC_In):
                   1350:                /* FALLTHROUGH */
                   1351:        case (MDOC_Vt):
                   1352:                term_vspace(p);
                   1353:                break;
                   1354:        case (MDOC_Ft):
                   1355:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1356:                        term_vspace(p);
                   1357:                        break;
                   1358:                }
                   1359:                /* FALLTHROUGH */
                   1360:        default:
                   1361:                term_newln(p);
                   1362:                break;
                   1363:        }
                   1364: }
                   1365:
                   1366:
1.110     kristaps 1367: static int
                   1368: termp_vt_pre(DECL_ARGS)
                   1369: {
                   1370:
1.143     kristaps 1371:        if (MDOC_ELEM == n->type) {
                   1372:                synopsis_pre(p, n);
1.110     kristaps 1373:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1374:        } else if (MDOC_BLOCK == n->type) {
                   1375:                synopsis_pre(p, n);
                   1376:                return(1);
                   1377:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1378:                return(0);
                   1379:
                   1380:        return(termp_under_pre(p, pair, m, n));
                   1381: }
                   1382:
                   1383:
1.1       kristaps 1384: /* ARGSUSED */
                   1385: static int
1.69      kristaps 1386: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1387: {
                   1388:
1.102     kristaps 1389:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1390:        return(1);
                   1391: }
                   1392:
                   1393:
                   1394: /* ARGSUSED */
1.143     kristaps 1395: static int
                   1396: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1397: {
                   1398:
1.143     kristaps 1399:        synopsis_pre(p, n);
                   1400:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1401: }
                   1402:
                   1403:
                   1404: /* ARGSUSED */
                   1405: static int
                   1406: termp_sh_pre(DECL_ARGS)
                   1407: {
1.85      kristaps 1408:
                   1409:        /* No vspace between consecutive `Sh' calls. */
                   1410:
1.86      kristaps 1411:        switch (n->type) {
1.65      kristaps 1412:        case (MDOC_BLOCK):
1.86      kristaps 1413:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1414:                        if (NULL == n->prev->body->child)
1.65      kristaps 1415:                                break;
                   1416:                term_vspace(p);
                   1417:                break;
1.1       kristaps 1418:        case (MDOC_HEAD):
1.102     kristaps 1419:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1420:                break;
                   1421:        case (MDOC_BODY):
1.157     kristaps 1422:                p->offset = term_len(p, INDENT);
1.1       kristaps 1423:                break;
                   1424:        default:
                   1425:                break;
                   1426:        }
                   1427:        return(1);
                   1428: }
                   1429:
                   1430:
                   1431: /* ARGSUSED */
                   1432: static void
                   1433: termp_sh_post(DECL_ARGS)
                   1434: {
                   1435:
1.86      kristaps 1436:        switch (n->type) {
1.1       kristaps 1437:        case (MDOC_HEAD):
                   1438:                term_newln(p);
                   1439:                break;
                   1440:        case (MDOC_BODY):
                   1441:                term_newln(p);
                   1442:                p->offset = 0;
                   1443:                break;
                   1444:        default:
                   1445:                break;
                   1446:        }
                   1447: }
                   1448:
                   1449:
                   1450: /* ARGSUSED */
                   1451: static int
                   1452: termp_op_pre(DECL_ARGS)
                   1453: {
                   1454:
1.86      kristaps 1455:        switch (n->type) {
1.1       kristaps 1456:        case (MDOC_BODY):
                   1457:                term_word(p, "\\(lB");
                   1458:                p->flags |= TERMP_NOSPACE;
                   1459:                break;
                   1460:        default:
                   1461:                break;
                   1462:        }
                   1463:        return(1);
                   1464: }
                   1465:
                   1466:
                   1467: /* ARGSUSED */
                   1468: static int
                   1469: termp_bt_pre(DECL_ARGS)
                   1470: {
                   1471:
                   1472:        term_word(p, "is currently in beta test.");
1.131     kristaps 1473:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1474:        return(0);
1.1       kristaps 1475: }
                   1476:
                   1477:
                   1478: /* ARGSUSED */
                   1479: static void
                   1480: termp_lb_post(DECL_ARGS)
                   1481: {
                   1482:
1.122     kristaps 1483:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1484:                term_newln(p);
1.1       kristaps 1485: }
                   1486:
                   1487:
                   1488: /* ARGSUSED */
                   1489: static int
                   1490: termp_ud_pre(DECL_ARGS)
                   1491: {
                   1492:
                   1493:        term_word(p, "currently under development.");
1.131     kristaps 1494:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1495:        return(0);
1.1       kristaps 1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_d1_pre(DECL_ARGS)
                   1502: {
                   1503:
1.86      kristaps 1504:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1505:                return(1);
                   1506:        term_newln(p);
1.157     kristaps 1507:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1508:        return(1);
                   1509: }
                   1510:
                   1511:
                   1512: /* ARGSUSED */
                   1513: static void
                   1514: termp_d1_post(DECL_ARGS)
                   1515: {
                   1516:
1.86      kristaps 1517:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1518:                return;
                   1519:        term_newln(p);
                   1520: }
                   1521:
                   1522:
                   1523: /* ARGSUSED */
                   1524: static int
                   1525: termp_aq_pre(DECL_ARGS)
                   1526: {
                   1527:
1.86      kristaps 1528:        if (MDOC_BODY != n->type)
1.1       kristaps 1529:                return(1);
                   1530:        term_word(p, "\\(la");
                   1531:        p->flags |= TERMP_NOSPACE;
                   1532:        return(1);
                   1533: }
                   1534:
                   1535:
                   1536: /* ARGSUSED */
                   1537: static void
                   1538: termp_aq_post(DECL_ARGS)
                   1539: {
                   1540:
1.86      kristaps 1541:        if (MDOC_BODY != n->type)
1.1       kristaps 1542:                return;
                   1543:        p->flags |= TERMP_NOSPACE;
                   1544:        term_word(p, "\\(ra");
                   1545: }
                   1546:
                   1547:
                   1548: /* ARGSUSED */
                   1549: static int
                   1550: termp_ft_pre(DECL_ARGS)
                   1551: {
                   1552:
1.141     kristaps 1553:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1554:        synopsis_pre(p, n);
1.102     kristaps 1555:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1556:        return(1);
                   1557: }
                   1558:
                   1559:
                   1560: /* ARGSUSED */
                   1561: static int
                   1562: termp_fn_pre(DECL_ARGS)
                   1563: {
1.86      kristaps 1564:        const struct mdoc_node  *nn;
1.1       kristaps 1565:
1.143     kristaps 1566:        synopsis_pre(p, n);
1.139     kristaps 1567:
1.102     kristaps 1568:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1569:        term_word(p, n->child->string);
1.102     kristaps 1570:        term_fontpop(p);
1.1       kristaps 1571:
                   1572:        p->flags |= TERMP_NOSPACE;
                   1573:        term_word(p, "(");
                   1574:
1.86      kristaps 1575:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1576:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1577:                term_word(p, nn->string);
1.102     kristaps 1578:                term_fontpop(p);
                   1579:
1.86      kristaps 1580:                if (nn->next)
1.1       kristaps 1581:                        term_word(p, ",");
                   1582:        }
                   1583:
                   1584:        term_word(p, ")");
                   1585:
1.160     kristaps 1586:        if (MDOC_SYNPRETTY & n->flags)
1.1       kristaps 1587:                term_word(p, ";");
                   1588:
                   1589:        return(0);
                   1590: }
                   1591:
                   1592:
                   1593: /* ARGSUSED */
                   1594: static int
                   1595: termp_fa_pre(DECL_ARGS)
                   1596: {
1.86      kristaps 1597:        const struct mdoc_node  *nn;
1.1       kristaps 1598:
1.86      kristaps 1599:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1600:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1601:                return(1);
                   1602:        }
                   1603:
1.86      kristaps 1604:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1605:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1606:                term_word(p, nn->string);
1.102     kristaps 1607:                term_fontpop(p);
                   1608:
1.86      kristaps 1609:                if (nn->next)
1.1       kristaps 1610:                        term_word(p, ",");
                   1611:        }
                   1612:
1.86      kristaps 1613:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1614:                term_word(p, ",");
                   1615:
                   1616:        return(0);
                   1617: }
                   1618:
                   1619:
                   1620: /* ARGSUSED */
                   1621: static int
                   1622: termp_bd_pre(DECL_ARGS)
                   1623: {
1.129     schwarze 1624:        size_t                   tabwidth;
1.119     kristaps 1625:        size_t                   rm, rmax;
1.85      kristaps 1626:        const struct mdoc_node  *nn;
1.1       kristaps 1627:
1.86      kristaps 1628:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1629:                print_bvspace(p, n, n);
1.54      kristaps 1630:                return(1);
1.116     kristaps 1631:        } else if (MDOC_HEAD == n->type)
                   1632:                return(0);
1.1       kristaps 1633:
1.165     kristaps 1634:        assert(n->data.Bd);
                   1635:        if (n->data.Bd->offs)
                   1636:                p->offset += a2offs(p, n->data.Bd->offs);
1.85      kristaps 1637:
                   1638:        /*
                   1639:         * If -ragged or -filled are specified, the block does nothing
                   1640:         * but change the indentation.  If -unfilled or -literal are
                   1641:         * specified, text is printed exactly as entered in the display:
                   1642:         * for macro lines, a newline is appended to the line.  Blank
                   1643:         * lines are allowed.
                   1644:         */
1.60      kristaps 1645:
1.165     kristaps 1646:        if (DISP_literal != n->data.Bd->type &&
                   1647:                        DISP_unfilled != n->data.Bd->type)
1.1       kristaps 1648:                return(1);
                   1649:
1.129     schwarze 1650:        tabwidth = p->tabwidth;
1.157     kristaps 1651:        p->tabwidth = term_len(p, 8);
1.119     kristaps 1652:        rm = p->rmargin;
                   1653:        rmax = p->maxrmargin;
1.120     kristaps 1654:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1655:
1.86      kristaps 1656:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1657:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1658:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1659:                if (NULL == nn->prev ||
                   1660:                    nn->prev->line < nn->line ||
                   1661:                    NULL == nn->next)
1.87      kristaps 1662:                        term_flushln(p);
1.1       kristaps 1663:        }
1.147     kristaps 1664:
1.129     schwarze 1665:        p->tabwidth = tabwidth;
1.119     kristaps 1666:        p->rmargin = rm;
                   1667:        p->maxrmargin = rmax;
1.1       kristaps 1668:        return(0);
                   1669: }
                   1670:
                   1671:
                   1672: /* ARGSUSED */
                   1673: static void
                   1674: termp_bd_post(DECL_ARGS)
                   1675: {
1.119     kristaps 1676:        size_t           rm, rmax;
1.1       kristaps 1677:
1.86      kristaps 1678:        if (MDOC_BODY != n->type)
1.1       kristaps 1679:                return;
1.118     kristaps 1680:
1.119     kristaps 1681:        rm = p->rmargin;
                   1682:        rmax = p->maxrmargin;
1.118     kristaps 1683:
1.165     kristaps 1684:        assert(n->data.Bd);
                   1685:        if (DISP_literal == n->data.Bd->type ||
                   1686:                        DISP_unfilled == n->data.Bd->type)
1.120     kristaps 1687:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1688:
1.60      kristaps 1689:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1690:        term_newln(p);
1.118     kristaps 1691:
1.119     kristaps 1692:        p->rmargin = rm;
                   1693:        p->maxrmargin = rmax;
1.1       kristaps 1694: }
                   1695:
                   1696:
                   1697: /* ARGSUSED */
                   1698: static int
                   1699: termp_qq_pre(DECL_ARGS)
                   1700: {
                   1701:
1.86      kristaps 1702:        if (MDOC_BODY != n->type)
1.1       kristaps 1703:                return(1);
                   1704:        term_word(p, "\"");
                   1705:        p->flags |= TERMP_NOSPACE;
                   1706:        return(1);
                   1707: }
                   1708:
                   1709:
                   1710: /* ARGSUSED */
                   1711: static void
                   1712: termp_qq_post(DECL_ARGS)
                   1713: {
                   1714:
1.86      kristaps 1715:        if (MDOC_BODY != n->type)
1.1       kristaps 1716:                return;
                   1717:        p->flags |= TERMP_NOSPACE;
                   1718:        term_word(p, "\"");
                   1719: }
                   1720:
                   1721:
                   1722: /* ARGSUSED */
                   1723: static void
                   1724: termp_bx_post(DECL_ARGS)
                   1725: {
                   1726:
1.86      kristaps 1727:        if (n->child)
1.1       kristaps 1728:                p->flags |= TERMP_NOSPACE;
                   1729:        term_word(p, "BSD");
                   1730: }
                   1731:
                   1732:
                   1733: /* ARGSUSED */
                   1734: static int
1.26      kristaps 1735: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1736: {
1.26      kristaps 1737:        const char      *pp;
1.1       kristaps 1738:
1.26      kristaps 1739:        pp = NULL;
1.86      kristaps 1740:        switch (n->tok) {
1.26      kristaps 1741:        case (MDOC_Bsx):
                   1742:                pp = "BSDI BSD/OS";
                   1743:                break;
                   1744:        case (MDOC_Dx):
1.100     kristaps 1745:                pp = "DragonFly";
1.26      kristaps 1746:                break;
                   1747:        case (MDOC_Fx):
                   1748:                pp = "FreeBSD";
                   1749:                break;
                   1750:        case (MDOC_Nx):
                   1751:                pp = "NetBSD";
                   1752:                break;
                   1753:        case (MDOC_Ox):
                   1754:                pp = "OpenBSD";
                   1755:                break;
                   1756:        case (MDOC_Ux):
                   1757:                pp = "UNIX";
                   1758:                break;
                   1759:        default:
                   1760:                break;
                   1761:        }
1.1       kristaps 1762:
1.26      kristaps 1763:        assert(pp);
                   1764:        term_word(p, pp);
1.1       kristaps 1765:        return(1);
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static int
                   1771: termp_sq_pre(DECL_ARGS)
                   1772: {
                   1773:
1.86      kristaps 1774:        if (MDOC_BODY != n->type)
1.1       kristaps 1775:                return(1);
                   1776:        term_word(p, "\\(oq");
                   1777:        p->flags |= TERMP_NOSPACE;
                   1778:        return(1);
                   1779: }
                   1780:
                   1781:
                   1782: /* ARGSUSED */
                   1783: static void
                   1784: termp_sq_post(DECL_ARGS)
                   1785: {
                   1786:
1.86      kristaps 1787:        if (MDOC_BODY != n->type)
1.1       kristaps 1788:                return;
                   1789:        p->flags |= TERMP_NOSPACE;
                   1790:        term_word(p, "\\(aq");
                   1791: }
                   1792:
                   1793:
                   1794: /* ARGSUSED */
                   1795: static int
                   1796: termp_pf_pre(DECL_ARGS)
                   1797: {
                   1798:
                   1799:        p->flags |= TERMP_IGNDELIM;
                   1800:        return(1);
                   1801: }
                   1802:
                   1803:
                   1804: /* ARGSUSED */
                   1805: static void
                   1806: termp_pf_post(DECL_ARGS)
                   1807: {
                   1808:
                   1809:        p->flags &= ~TERMP_IGNDELIM;
                   1810:        p->flags |= TERMP_NOSPACE;
                   1811: }
                   1812:
                   1813:
                   1814: /* ARGSUSED */
                   1815: static int
                   1816: termp_ss_pre(DECL_ARGS)
                   1817: {
                   1818:
1.86      kristaps 1819:        switch (n->type) {
1.1       kristaps 1820:        case (MDOC_BLOCK):
                   1821:                term_newln(p);
1.86      kristaps 1822:                if (n->prev)
1.1       kristaps 1823:                        term_vspace(p);
                   1824:                break;
                   1825:        case (MDOC_HEAD):
1.102     kristaps 1826:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1827:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1828:                break;
                   1829:        default:
                   1830:                break;
                   1831:        }
                   1832:
                   1833:        return(1);
                   1834: }
                   1835:
                   1836:
                   1837: /* ARGSUSED */
                   1838: static void
                   1839: termp_ss_post(DECL_ARGS)
                   1840: {
                   1841:
1.86      kristaps 1842:        if (MDOC_HEAD == n->type)
1.1       kristaps 1843:                term_newln(p);
                   1844: }
                   1845:
                   1846:
                   1847: /* ARGSUSED */
                   1848: static int
                   1849: termp_cd_pre(DECL_ARGS)
                   1850: {
                   1851:
1.143     kristaps 1852:        synopsis_pre(p, n);
1.102     kristaps 1853:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1854:        return(1);
                   1855: }
                   1856:
                   1857:
                   1858: /* ARGSUSED */
                   1859: static int
                   1860: termp_in_pre(DECL_ARGS)
                   1861: {
1.142     schwarze 1862:
1.143     kristaps 1863:        synopsis_pre(p, n);
1.1       kristaps 1864:
1.160     kristaps 1865:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1866:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1867:                term_word(p, "#include");
1.138     kristaps 1868:                term_word(p, "<");
                   1869:        } else {
                   1870:                term_word(p, "<");
                   1871:                term_fontpush(p, TERMFONT_UNDER);
                   1872:        }
1.22      kristaps 1873:
1.1       kristaps 1874:        p->flags |= TERMP_NOSPACE;
                   1875:        return(1);
                   1876: }
                   1877:
                   1878:
                   1879: /* ARGSUSED */
                   1880: static void
                   1881: termp_in_post(DECL_ARGS)
                   1882: {
                   1883:
1.160     kristaps 1884:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1885:                term_fontpush(p, TERMFONT_BOLD);
                   1886:
1.79      kristaps 1887:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1888:        term_word(p, ">");
                   1889:
1.160     kristaps 1890:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1891:                term_fontpop(p);
1.1       kristaps 1892: }
                   1893:
                   1894:
                   1895: /* ARGSUSED */
                   1896: static int
1.45      kristaps 1897: termp_sp_pre(DECL_ARGS)
                   1898: {
1.91      kristaps 1899:        size_t           i, len;
1.45      kristaps 1900:
1.86      kristaps 1901:        switch (n->tok) {
1.76      kristaps 1902:        case (MDOC_sp):
1.157     kristaps 1903:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1904:                break;
                   1905:        case (MDOC_br):
                   1906:                len = 0;
                   1907:                break;
                   1908:        default:
                   1909:                len = 1;
                   1910:                break;
1.45      kristaps 1911:        }
                   1912:
                   1913:        if (0 == len)
                   1914:                term_newln(p);
                   1915:        for (i = 0; i < len; i++)
                   1916:                term_vspace(p);
                   1917:
                   1918:        return(0);
                   1919: }
                   1920:
                   1921:
                   1922: /* ARGSUSED */
                   1923: static int
1.1       kristaps 1924: termp_brq_pre(DECL_ARGS)
                   1925: {
                   1926:
1.86      kristaps 1927:        if (MDOC_BODY != n->type)
1.1       kristaps 1928:                return(1);
                   1929:        term_word(p, "\\(lC");
                   1930:        p->flags |= TERMP_NOSPACE;
                   1931:        return(1);
                   1932: }
                   1933:
                   1934:
                   1935: /* ARGSUSED */
                   1936: static void
                   1937: termp_brq_post(DECL_ARGS)
                   1938: {
                   1939:
1.86      kristaps 1940:        if (MDOC_BODY != n->type)
1.1       kristaps 1941:                return;
                   1942:        p->flags |= TERMP_NOSPACE;
                   1943:        term_word(p, "\\(rC");
                   1944: }
                   1945:
                   1946:
                   1947: /* ARGSUSED */
                   1948: static int
                   1949: termp_bq_pre(DECL_ARGS)
                   1950: {
                   1951:
1.86      kristaps 1952:        if (MDOC_BODY != n->type)
1.1       kristaps 1953:                return(1);
                   1954:        term_word(p, "\\(lB");
                   1955:        p->flags |= TERMP_NOSPACE;
                   1956:        return(1);
                   1957: }
                   1958:
                   1959:
                   1960: /* ARGSUSED */
                   1961: static void
                   1962: termp_bq_post(DECL_ARGS)
                   1963: {
                   1964:
1.86      kristaps 1965:        if (MDOC_BODY != n->type)
1.1       kristaps 1966:                return;
                   1967:        p->flags |= TERMP_NOSPACE;
                   1968:        term_word(p, "\\(rB");
                   1969: }
                   1970:
                   1971:
                   1972: /* ARGSUSED */
                   1973: static int
                   1974: termp_pq_pre(DECL_ARGS)
                   1975: {
                   1976:
1.86      kristaps 1977:        if (MDOC_BODY != n->type)
1.1       kristaps 1978:                return(1);
                   1979:        term_word(p, "\\&(");
                   1980:        p->flags |= TERMP_NOSPACE;
                   1981:        return(1);
                   1982: }
                   1983:
                   1984:
                   1985: /* ARGSUSED */
                   1986: static void
                   1987: termp_pq_post(DECL_ARGS)
                   1988: {
                   1989:
1.86      kristaps 1990:        if (MDOC_BODY != n->type)
1.1       kristaps 1991:                return;
                   1992:        term_word(p, ")");
                   1993: }
                   1994:
                   1995:
                   1996: /* ARGSUSED */
                   1997: static int
                   1998: termp_fo_pre(DECL_ARGS)
                   1999: {
                   2000:
1.141     kristaps 2001:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2002:                synopsis_pre(p, n);
1.141     kristaps 2003:                return(1);
                   2004:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 2005:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2006:                term_word(p, "(");
                   2007:                p->flags |= TERMP_NOSPACE;
                   2008:                return(1);
1.141     kristaps 2009:        }
                   2010:
1.169     kristaps 2011:        if (NULL == n->child)
                   2012:                return(0);
                   2013:
1.141     kristaps 2014:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2015:
1.141     kristaps 2016:        assert(n->child->string);
1.102     kristaps 2017:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2018:        term_word(p, n->child->string);
1.1       kristaps 2019:        return(0);
                   2020: }
                   2021:
                   2022:
                   2023: /* ARGSUSED */
                   2024: static void
                   2025: termp_fo_post(DECL_ARGS)
                   2026: {
                   2027:
1.143     kristaps 2028:        if (MDOC_BODY != n->type)
                   2029:                return;
                   2030:
                   2031:        p->flags |= TERMP_NOSPACE;
                   2032:        term_word(p, ")");
                   2033:
1.160     kristaps 2034:        if (MDOC_SYNPRETTY & n->flags) {
1.141     kristaps 2035:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2036:                term_word(p, ";");
1.141     kristaps 2037:        }
1.1       kristaps 2038: }
                   2039:
                   2040:
                   2041: /* ARGSUSED */
                   2042: static int
                   2043: termp_bf_pre(DECL_ARGS)
                   2044: {
                   2045:
1.86      kristaps 2046:        if (MDOC_HEAD == n->type)
1.1       kristaps 2047:                return(0);
1.86      kristaps 2048:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2049:                return(1);
                   2050:
1.167     kristaps 2051:        assert(n->data.Bf);
1.1       kristaps 2052:
1.167     kristaps 2053:        if (FONT_Em == n->data.Bf->font)
1.102     kristaps 2054:                term_fontpush(p, TERMFONT_UNDER);
1.167     kristaps 2055:        else if (FONT_Sy == n->data.Bf->font)
1.102     kristaps 2056:                term_fontpush(p, TERMFONT_BOLD);
1.167     kristaps 2057:        else
1.102     kristaps 2058:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2059:
                   2060:        return(1);
                   2061: }
                   2062:
                   2063:
                   2064: /* ARGSUSED */
                   2065: static int
                   2066: termp_sm_pre(DECL_ARGS)
                   2067: {
                   2068:
1.86      kristaps 2069:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2070:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2071:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2072:        else
1.1       kristaps 2073:                p->flags |= TERMP_NONOSPACE;
                   2074:
                   2075:        return(0);
                   2076: }
                   2077:
                   2078:
                   2079: /* ARGSUSED */
                   2080: static int
                   2081: termp_ap_pre(DECL_ARGS)
                   2082: {
                   2083:
                   2084:        p->flags |= TERMP_NOSPACE;
                   2085:        term_word(p, "\\(aq");
                   2086:        p->flags |= TERMP_NOSPACE;
                   2087:        return(1);
                   2088: }
                   2089:
                   2090:
                   2091: /* ARGSUSED */
                   2092: static void
                   2093: termp____post(DECL_ARGS)
                   2094: {
                   2095:
1.95      kristaps 2096:        /* TODO: %U. */
                   2097:
1.1       kristaps 2098:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2099:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2100: }
                   2101:
                   2102:
                   2103: /* ARGSUSED */
                   2104: static int
1.102     kristaps 2105: termp_li_pre(DECL_ARGS)
                   2106: {
                   2107:
                   2108:        term_fontpush(p, TERMFONT_NONE);
                   2109:        return(1);
                   2110: }
                   2111:
                   2112:
                   2113: /* ARGSUSED */
                   2114: static int
1.1       kristaps 2115: termp_lk_pre(DECL_ARGS)
                   2116: {
1.86      kristaps 2117:        const struct mdoc_node *nn;
1.1       kristaps 2118:
1.102     kristaps 2119:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2120:        nn = n->child;
                   2121:
                   2122:        if (NULL == nn->next)
1.12      kristaps 2123:                return(1);
                   2124:
1.86      kristaps 2125:        term_word(p, nn->string);
1.102     kristaps 2126:        term_fontpop(p);
1.96      kristaps 2127:
1.1       kristaps 2128:        p->flags |= TERMP_NOSPACE;
                   2129:        term_word(p, ":");
                   2130:
1.102     kristaps 2131:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2132:        for (nn = nn->next; nn; nn = nn->next)
                   2133:                term_word(p, nn->string);
1.102     kristaps 2134:        term_fontpop(p);
1.12      kristaps 2135:
1.1       kristaps 2136:        return(0);
                   2137: }
                   2138:
1.159     schwarze 2139:
                   2140: /* ARGSUSED */
                   2141: static int
                   2142: termp_bk_pre(DECL_ARGS)
                   2143: {
                   2144:
1.161     schwarze 2145:        switch (n->type) {
                   2146:        case (MDOC_BLOCK):
1.166     kristaps 2147:                break;
1.161     schwarze 2148:        case (MDOC_HEAD):
                   2149:                return(0);
                   2150:        case (MDOC_BODY):
                   2151:                p->flags |= TERMP_PREKEEP;
1.166     kristaps 2152:                break;
1.161     schwarze 2153:        default:
                   2154:                abort();
1.166     kristaps 2155:                /* NOTREACHED */
1.161     schwarze 2156:        }
1.166     kristaps 2157:
                   2158:        return(1);
1.159     schwarze 2159: }
                   2160:
                   2161:
                   2162: /* ARGSUSED */
                   2163: static void
                   2164: termp_bk_post(DECL_ARGS)
                   2165: {
                   2166:
1.161     schwarze 2167:        if (MDOC_BODY == n->type)
                   2168:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.159     schwarze 2169: }
1.1       kristaps 2170:
                   2171: /* ARGSUSED */
                   2172: static int
1.69      kristaps 2173: termp_under_pre(DECL_ARGS)
1.1       kristaps 2174: {
                   2175:
1.102     kristaps 2176:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2177:        return(1);
                   2178: }

CVSweb