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Annotation of mandoc/mdoc_term.c, Revision 1.104

1.104   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.103 2010/01/01 13:17:59 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <stdio.h>
                     22: #include <stdlib.h>
                     23: #include <string.h>
                     24:
1.92      kristaps   25: #include "out.h"
1.1       kristaps   26: #include "term.h"
                     27: #include "mdoc.h"
1.89      kristaps   28: #include "chars.h"
                     29: #include "main.h"
1.1       kristaps   30:
1.66      kristaps   31: #define        INDENT            5
                     32: #define        HALFINDENT        3
                     33:
1.1       kristaps   34: struct termpair {
                     35:        struct termpair  *ppair;
1.31      kristaps   36:        int               flag;
                     37:        int               count;
1.1       kristaps   38: };
                     39:
1.31      kristaps   40: #define        DECL_ARGS struct termp *p, \
                     41:                  struct termpair *pair, \
1.86      kristaps   42:                  const struct mdoc_meta *m, \
                     43:                  const struct mdoc_node *n
1.1       kristaps   44:
                     45: struct termact {
                     46:        int     (*pre)(DECL_ARGS);
                     47:        void    (*post)(DECL_ARGS);
                     48: };
                     49:
1.96      kristaps   50: static size_t    a2width(const struct mdoc_argv *, int);
                     51: static size_t    a2height(const struct mdoc_node *);
                     52: static size_t    a2offs(const struct mdoc_argv *);
                     53:
                     54: static int       arg_hasattr(int, const struct mdoc_node *);
                     55: static int       arg_getattrs(const int *, int *, size_t,
                     56:                        const struct mdoc_node *);
                     57: static int       arg_getattr(int, const struct mdoc_node *);
                     58: static int       arg_listtype(const struct mdoc_node *);
                     59: static void      print_bvspace(struct termp *,
                     60:                        const struct mdoc_node *,
                     61:                        const struct mdoc_node *);
1.102     kristaps   62: static void      print_mdoc_node(DECL_ARGS);
                     63: static void      print_mdoc_head(DECL_ARGS);
                     64: static void      print_mdoc_nodelist(DECL_ARGS);
1.96      kristaps   65: static void      print_foot(DECL_ARGS);
                     66:
                     67: #ifdef __linux__
                     68: extern size_t    strlcpy(char *, const char *, size_t);
                     69: extern size_t    strlcat(char *, const char *, size_t);
                     70: #endif
                     71:
1.31      kristaps   72: static void      termp____post(DECL_ARGS);
1.61      kristaps   73: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_aq_post(DECL_ARGS);
                     75: static void      termp_bd_post(DECL_ARGS);
                     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);
                     82: static void      termp_fd_post(DECL_ARGS);
                     83: static void      termp_fn_post(DECL_ARGS);
                     84: static void      termp_fo_post(DECL_ARGS);
                     85: static void      termp_ft_post(DECL_ARGS);
                     86: static void      termp_in_post(DECL_ARGS);
                     87: static void      termp_it_post(DECL_ARGS);
                     88: static void      termp_lb_post(DECL_ARGS);
                     89: static void      termp_op_post(DECL_ARGS);
                     90: static void      termp_pf_post(DECL_ARGS);
                     91: static void      termp_pq_post(DECL_ARGS);
                     92: static void      termp_qq_post(DECL_ARGS);
                     93: static void      termp_sh_post(DECL_ARGS);
                     94: static void      termp_sq_post(DECL_ARGS);
                     95: static void      termp_ss_post(DECL_ARGS);
                     96: static void      termp_vt_post(DECL_ARGS);
                     97:
1.84      kristaps   98: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   99: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_ap_pre(DECL_ARGS);
                    101: static int       termp_aq_pre(DECL_ARGS);
                    102: static int       termp_bd_pre(DECL_ARGS);
                    103: static int       termp_bf_pre(DECL_ARGS);
1.69      kristaps  104: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  105: static int       termp_bq_pre(DECL_ARGS);
                    106: static int       termp_brq_pre(DECL_ARGS);
                    107: static int       termp_bt_pre(DECL_ARGS);
                    108: static int       termp_cd_pre(DECL_ARGS);
                    109: static int       termp_d1_pre(DECL_ARGS);
                    110: static int       termp_dq_pre(DECL_ARGS);
                    111: static int       termp_ex_pre(DECL_ARGS);
                    112: static int       termp_fa_pre(DECL_ARGS);
                    113: static int       termp_fl_pre(DECL_ARGS);
                    114: static int       termp_fn_pre(DECL_ARGS);
                    115: static int       termp_fo_pre(DECL_ARGS);
                    116: static int       termp_ft_pre(DECL_ARGS);
                    117: static int       termp_in_pre(DECL_ARGS);
                    118: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  119: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_lk_pre(DECL_ARGS);
                    121: static int       termp_nd_pre(DECL_ARGS);
                    122: static int       termp_nm_pre(DECL_ARGS);
                    123: static int       termp_ns_pre(DECL_ARGS);
                    124: static int       termp_op_pre(DECL_ARGS);
                    125: static int       termp_pf_pre(DECL_ARGS);
                    126: static int       termp_pq_pre(DECL_ARGS);
                    127: static int       termp_qq_pre(DECL_ARGS);
                    128: static int       termp_rs_pre(DECL_ARGS);
                    129: static int       termp_rv_pre(DECL_ARGS);
                    130: static int       termp_sh_pre(DECL_ARGS);
                    131: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  132: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  133: static int       termp_sq_pre(DECL_ARGS);
                    134: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  135: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  136: static int       termp_ud_pre(DECL_ARGS);
                    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 */
                    152:        { NULL, termp_bl_post }, /* Bl */
                    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 */
1.69      kristaps  165:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
                    167:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    168:        { termp_ft_pre, termp_ft_post }, /* 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 */
                    173:        { termp_nm_pre, NULL }, /* Nm */
                    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 */
1.70      kristaps  180:        { termp_under_pre, termp_vt_post }, /* 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 */
1.84      kristaps  191:        { termp__t_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 */
                    207:        { NULL, NULL }, /* Ec */
                    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 */
                    241:        { NULL, NULL }, /* Bk */
                    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 */
1.1       kristaps  262: };
                    263:
                    264:
1.70      kristaps  265: void
1.89      kristaps  266: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  267: {
1.70      kristaps  268:        const struct mdoc_node  *n;
                    269:        const struct mdoc_meta  *m;
1.89      kristaps  270:        struct termp            *p;
                    271:
                    272:        p = (struct termp *)arg;
                    273:
                    274:        if (NULL == p->symtab)
                    275:                switch (p->enc) {
                    276:                case (TERMENC_ASCII):
                    277:                        p->symtab = chars_init(CHARS_ASCII);
                    278:                        break;
                    279:                default:
                    280:                        abort();
                    281:                        /* NOTREACHED */
                    282:                }
1.70      kristaps  283:
                    284:        n = mdoc_node(mdoc);
                    285:        m = mdoc_meta(mdoc);
                    286:
1.102     kristaps  287:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  288:        if (n->child)
1.102     kristaps  289:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  290:        print_foot(p, NULL, m, n);
1.1       kristaps  291: }
                    292:
                    293:
1.3       kristaps  294: static void
1.102     kristaps  295: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  296: {
                    297:
1.102     kristaps  298:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  299:        if (n->next)
1.102     kristaps  300:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  301: }
                    302:
                    303:
1.70      kristaps  304: /* ARGSUSED */
1.3       kristaps  305: static void
1.102     kristaps  306: print_mdoc_node(DECL_ARGS)
1.1       kristaps  307: {
1.102     kristaps  308:        int              chld;
                    309:        const void      *font;
1.1       kristaps  310:        struct termpair  npair;
1.30      kristaps  311:        size_t           offset, rmargin;
1.1       kristaps  312:
1.70      kristaps  313:        chld = 1;
1.29      kristaps  314:        offset = p->offset;
1.30      kristaps  315:        rmargin = p->rmargin;
1.102     kristaps  316:        font = term_fontq(p);
1.29      kristaps  317:
1.97      kristaps  318:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  319:        npair.ppair = pair;
1.46      kristaps  320:
1.86      kristaps  321:        if (MDOC_TEXT != n->type) {
                    322:                if (termacts[n->tok].pre)
                    323:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  324:        } else
1.86      kristaps  325:                term_word(p, n->string);
1.102     kristaps  326:
1.86      kristaps  327:        if (chld && n->child)
1.102     kristaps  328:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  329:
1.102     kristaps  330:        term_fontpopq(p, font);
1.46      kristaps  331:
1.86      kristaps  332:        if (MDOC_TEXT != n->type)
                    333:                if (termacts[n->tok].post)
                    334:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.29      kristaps  335:
                    336:        p->offset = offset;
1.30      kristaps  337:        p->rmargin = rmargin;
1.1       kristaps  338: }
                    339:
                    340:
1.70      kristaps  341: /* ARGSUSED */
1.3       kristaps  342: static void
1.70      kristaps  343: print_foot(DECL_ARGS)
1.1       kristaps  344: {
1.98      kristaps  345:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  346:
1.102     kristaps  347:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  348:
1.9       kristaps  349:        /*
                    350:         * Output the footer in new-groff style, that is, three columns
                    351:         * with the middle being the manual date and flanking columns
                    352:         * being the operating system:
                    353:         *
                    354:         * SYSTEM                  DATE                    SYSTEM
                    355:         */
                    356:
1.94      kristaps  357:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  358:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  359:
                    360:        term_vspace(p);
                    361:
1.9       kristaps  362:        p->offset = 0;
                    363:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  364:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    365:
                    366:        term_word(p, os);
                    367:        term_flushln(p);
                    368:
1.9       kristaps  369:        p->offset = p->rmargin;
                    370:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  371:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  372:
                    373:        term_word(p, buf);
                    374:        term_flushln(p);
                    375:
1.1       kristaps  376:        p->offset = p->rmargin;
                    377:        p->rmargin = p->maxrmargin;
                    378:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  379:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  380:
1.9       kristaps  381:        term_word(p, os);
1.1       kristaps  382:        term_flushln(p);
                    383:
1.9       kristaps  384:        p->offset = 0;
                    385:        p->rmargin = p->maxrmargin;
                    386:        p->flags = 0;
1.1       kristaps  387: }
                    388:
                    389:
1.70      kristaps  390: /* ARGSUSED */
1.3       kristaps  391: static void
1.102     kristaps  392: print_mdoc_head(DECL_ARGS)
1.1       kristaps  393: {
1.98      kristaps  394:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  395:
                    396:        p->rmargin = p->maxrmargin;
                    397:        p->offset = 0;
                    398:
                    399:        /*
                    400:         * The header is strange.  It has three components, which are
                    401:         * really two with the first duplicated.  It goes like this:
                    402:         *
                    403:         * IDENTIFIER              TITLE                   IDENTIFIER
                    404:         *
                    405:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    406:         * (if given, or "unknown" if not) followed by the manual page
                    407:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    408:         * string depending on the manual volume.  If not specified, it
                    409:         * switches on the manual section.
                    410:         */
                    411:
1.86      kristaps  412:        assert(m->vol);
1.98      kristaps  413:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  414:
1.86      kristaps  415:        if (m->arch) {
1.98      kristaps  416:                strlcat(buf, " (", BUFSIZ);
                    417:                strlcat(buf, m->arch, BUFSIZ);
                    418:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  419:        }
                    420:
1.98      kristaps  421:        snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
1.1       kristaps  422:
                    423:        p->offset = 0;
1.8       kristaps  424:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  425:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    426:
                    427:        term_word(p, title);
                    428:        term_flushln(p);
                    429:
                    430:        p->offset = p->rmargin;
                    431:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  432:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  433:
                    434:        term_word(p, buf);
                    435:        term_flushln(p);
                    436:
                    437:        p->offset = p->rmargin;
                    438:        p->rmargin = p->maxrmargin;
                    439:        p->flags &= ~TERMP_NOBREAK;
                    440:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    441:
                    442:        term_word(p, title);
                    443:        term_flushln(p);
                    444:
1.9       kristaps  445:        p->offset = 0;
1.1       kristaps  446:        p->rmargin = p->maxrmargin;
                    447:        p->flags &= ~TERMP_NOSPACE;
                    448: }
                    449:
                    450:
                    451: static size_t
1.96      kristaps  452: a2height(const struct mdoc_node *n)
1.1       kristaps  453: {
1.92      kristaps  454:        struct roffsu    su;
1.91      kristaps  455:
                    456:        assert(MDOC_TEXT == n->type);
                    457:        assert(n->string);
1.92      kristaps  458:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    459:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  460:
1.92      kristaps  461:        return(term_vspan(&su));
1.91      kristaps  462: }
1.1       kristaps  463:
1.40      kristaps  464:
1.91      kristaps  465: static size_t
1.96      kristaps  466: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  467: {
1.92      kristaps  468:        struct roffsu    su;
1.1       kristaps  469:
1.91      kristaps  470:        assert(arg->value[pos]);
1.92      kristaps  471:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  472:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  473:
1.93      kristaps  474:        /* XXX: pachemu? */
                    475:        return(term_hspan(&su) + 2);
1.1       kristaps  476: }
                    477:
                    478:
                    479: static int
                    480: arg_listtype(const struct mdoc_node *n)
                    481: {
                    482:        int              i, len;
                    483:
                    484:        assert(MDOC_BLOCK == n->type);
                    485:
                    486:        len = (int)(n->args ? n->args->argc : 0);
                    487:
                    488:        for (i = 0; i < len; i++)
                    489:                switch (n->args->argv[i].arg) {
                    490:                case (MDOC_Bullet):
                    491:                        /* FALLTHROUGH */
                    492:                case (MDOC_Dash):
                    493:                        /* FALLTHROUGH */
                    494:                case (MDOC_Enum):
                    495:                        /* FALLTHROUGH */
                    496:                case (MDOC_Hyphen):
                    497:                        /* FALLTHROUGH */
                    498:                case (MDOC_Tag):
                    499:                        /* FALLTHROUGH */
                    500:                case (MDOC_Inset):
                    501:                        /* FALLTHROUGH */
                    502:                case (MDOC_Diag):
                    503:                        /* FALLTHROUGH */
                    504:                case (MDOC_Item):
                    505:                        /* FALLTHROUGH */
                    506:                case (MDOC_Column):
                    507:                        /* FALLTHROUGH */
1.38      kristaps  508:                case (MDOC_Hang):
                    509:                        /* FALLTHROUGH */
1.1       kristaps  510:                case (MDOC_Ohang):
                    511:                        return(n->args->argv[i].arg);
                    512:                default:
                    513:                        break;
                    514:                }
                    515:
1.38      kristaps  516:        return(-1);
1.1       kristaps  517: }
                    518:
                    519:
                    520: static size_t
1.96      kristaps  521: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  522: {
1.92      kristaps  523:        struct roffsu    su;
1.1       kristaps  524:
1.91      kristaps  525:        if ('\0' == arg->value[0][0])
                    526:                return(0);
                    527:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  528:                return(0);
1.91      kristaps  529:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  530:                return(INDENT + 1);
1.91      kristaps  531:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  532:                return((INDENT + 1) * 2);
1.92      kristaps  533:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    534:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  535:
1.92      kristaps  536:        return(term_hspan(&su));
1.1       kristaps  537: }
                    538:
                    539:
                    540: static int
                    541: arg_hasattr(int arg, const struct mdoc_node *n)
                    542: {
                    543:
                    544:        return(-1 != arg_getattr(arg, n));
                    545: }
                    546:
                    547:
                    548: static int
                    549: arg_getattr(int v, const struct mdoc_node *n)
                    550: {
                    551:        int              val;
                    552:
                    553:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    554: }
                    555:
                    556:
                    557: static int
                    558: arg_getattrs(const int *keys, int *vals,
                    559:                size_t sz, const struct mdoc_node *n)
                    560: {
                    561:        int              i, j, k;
                    562:
                    563:        if (NULL == n->args)
                    564:                return(0);
                    565:
                    566:        for (k = i = 0; i < (int)n->args->argc; i++)
                    567:                for (j = 0; j < (int)sz; j++)
                    568:                        if (n->args->argv[i].arg == keys[j]) {
                    569:                                vals[j] = i;
                    570:                                k++;
                    571:                        }
                    572:        return(k);
                    573: }
                    574:
                    575:
1.54      kristaps  576: static void
1.91      kristaps  577: print_bvspace(struct termp *p,
1.1       kristaps  578:                const struct mdoc_node *bl,
1.86      kristaps  579:                const struct mdoc_node *n)
1.1       kristaps  580: {
1.86      kristaps  581:        const struct mdoc_node  *nn;
1.1       kristaps  582:
                    583:        term_newln(p);
1.85      kristaps  584:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  585:                return;
                    586:
1.85      kristaps  587:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  588:
1.86      kristaps  589:        for (nn = n; nn; nn = nn->parent) {
                    590:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  591:                        continue;
1.86      kristaps  592:                if (MDOC_Ss == nn->tok)
1.54      kristaps  593:                        return;
1.86      kristaps  594:                if (MDOC_Sh == nn->tok)
1.54      kristaps  595:                        return;
1.86      kristaps  596:                if (NULL == nn->prev)
1.1       kristaps  597:                        continue;
                    598:                break;
                    599:        }
                    600:
1.85      kristaps  601:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  602:
1.59      kristaps  603:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.86      kristaps  604:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  605:                        return;
                    606:
1.85      kristaps  607:        /* A `-diag' without body does not vspace. */
                    608:
1.59      kristaps  609:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.86      kristaps  610:                if (n->prev && MDOC_It == n->prev->tok) {
                    611:                        assert(n->prev->body);
                    612:                        if (NULL == n->prev->body->child)
1.55      kristaps  613:                                return;
                    614:                }
                    615:
1.54      kristaps  616:        term_vspace(p);
1.1       kristaps  617: }
                    618:
                    619:
                    620: /* ARGSUSED */
                    621: static int
                    622: termp_dq_pre(DECL_ARGS)
                    623: {
                    624:
1.86      kristaps  625:        if (MDOC_BODY != n->type)
1.1       kristaps  626:                return(1);
                    627:
                    628:        term_word(p, "\\(lq");
                    629:        p->flags |= TERMP_NOSPACE;
                    630:        return(1);
                    631: }
                    632:
                    633:
                    634: /* ARGSUSED */
                    635: static void
                    636: termp_dq_post(DECL_ARGS)
                    637: {
                    638:
1.86      kristaps  639:        if (MDOC_BODY != n->type)
1.1       kristaps  640:                return;
                    641:
                    642:        p->flags |= TERMP_NOSPACE;
                    643:        term_word(p, "\\(rq");
                    644: }
                    645:
                    646:
                    647: /* ARGSUSED */
                    648: static int
                    649: termp_it_pre(DECL_ARGS)
                    650: {
1.86      kristaps  651:        const struct mdoc_node *bl, *nn;
1.1       kristaps  652:        char                    buf[7];
1.39      kristaps  653:        int                     i, type, keys[3], vals[3];
1.1       kristaps  654:        size_t                  width, offset;
                    655:
1.86      kristaps  656:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  657:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  658:                return(1);
                    659:        }
1.1       kristaps  660:
1.86      kristaps  661:        bl = n->parent->parent->parent;
1.1       kristaps  662:
                    663:        /* Save parent attributes. */
                    664:
                    665:        pair->flag = p->flags;
                    666:
                    667:        /* Get list width and offset. */
                    668:
                    669:        keys[0] = MDOC_Width;
                    670:        keys[1] = MDOC_Offset;
                    671:        keys[2] = MDOC_Column;
                    672:
                    673:        vals[0] = vals[1] = vals[2] = -1;
                    674:
                    675:        width = offset = 0;
                    676:
                    677:        (void)arg_getattrs(keys, vals, 3, bl);
                    678:
                    679:        type = arg_listtype(bl);
1.38      kristaps  680:        assert(-1 != type);
1.1       kristaps  681:
                    682:        /* Calculate real width and offset. */
                    683:
                    684:        switch (type) {
                    685:        case (MDOC_Column):
1.86      kristaps  686:                if (MDOC_BODY == n->type)
1.1       kristaps  687:                        break;
1.58      kristaps  688:                /*
                    689:                 * Work around groff's column handling.  The offset is
                    690:                 * equal to the sum of all widths leading to the current
                    691:                 * column (plus the -offset value).  If this column
                    692:                 * exceeds the stated number of columns, the width is
                    693:                 * set as 0, else it's the stated column width (later
                    694:                 * the 0 will be adjusted to default 10 or, if in the
                    695:                 * last column case, set to stretch to the margin).
                    696:                 */
1.86      kristaps  697:                for (i = 0, nn = n->prev; nn &&
1.78      kristaps  698:                                i < (int)bl->args->argv[vals[2]].sz;
1.86      kristaps  699:                                nn = nn->prev, i++)
1.96      kristaps  700:                        offset += a2width
1.1       kristaps  701:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  702:
                    703:                /* Whether exceeds maximum column. */
1.78      kristaps  704:                if (i < (int)bl->args->argv[vals[2]].sz)
1.96      kristaps  705:                        width = a2width(&bl->args->argv[vals[2]], i);
1.58      kristaps  706:                else
                    707:                        width = 0;
                    708:
1.1       kristaps  709:                if (vals[1] >= 0)
1.96      kristaps  710:                        offset += a2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  711:                break;
                    712:        default:
                    713:                if (vals[0] >= 0)
1.96      kristaps  714:                        width = a2width(&bl->args->argv[vals[0]], 0);
1.1       kristaps  715:                if (vals[1] >= 0)
1.96      kristaps  716:                        offset += a2offs(&bl->args->argv[vals[1]]);
1.1       kristaps  717:                break;
                    718:        }
                    719:
                    720:        /*
                    721:         * List-type can override the width in the case of fixed-head
                    722:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  723:         * offset.
1.1       kristaps  724:         */
                    725:
                    726:        switch (type) {
                    727:        case (MDOC_Bullet):
                    728:                /* FALLTHROUGH */
                    729:        case (MDOC_Dash):
                    730:                /* FALLTHROUGH */
                    731:        case (MDOC_Hyphen):
                    732:                if (width < 4)
                    733:                        width = 4;
                    734:                break;
1.17      kristaps  735:        case (MDOC_Enum):
                    736:                if (width < 5)
                    737:                        width = 5;
                    738:                break;
1.38      kristaps  739:        case (MDOC_Hang):
1.39      kristaps  740:                if (0 == width)
                    741:                        width = 8;
                    742:                break;
1.49      kristaps  743:        case (MDOC_Column):
                    744:                /* FALLTHROUGH */
1.1       kristaps  745:        case (MDOC_Tag):
                    746:                if (0 == width)
                    747:                        width = 10;
                    748:                break;
                    749:        default:
                    750:                break;
                    751:        }
                    752:
                    753:        /*
1.17      kristaps  754:         * Whitespace control.  Inset bodies need an initial space,
                    755:         * while diagonal bodies need two.
1.1       kristaps  756:         */
                    757:
1.51      kristaps  758:        p->flags |= TERMP_NOSPACE;
                    759:
1.1       kristaps  760:        switch (type) {
1.51      kristaps  761:        case (MDOC_Diag):
1.86      kristaps  762:                if (MDOC_BODY == n->type)
1.62      kristaps  763:                        term_word(p, "\\ \\ ");
1.51      kristaps  764:                break;
1.1       kristaps  765:        case (MDOC_Inset):
1.86      kristaps  766:                if (MDOC_BODY == n->type)
1.51      kristaps  767:                        term_word(p, "\\ ");
1.1       kristaps  768:                break;
                    769:        default:
                    770:                break;
                    771:        }
                    772:
1.51      kristaps  773:        p->flags |= TERMP_NOSPACE;
                    774:
1.1       kristaps  775:        switch (type) {
                    776:        case (MDOC_Diag):
1.86      kristaps  777:                if (MDOC_HEAD == n->type)
1.102     kristaps  778:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  779:                break;
                    780:        default:
                    781:                break;
                    782:        }
                    783:
                    784:        /*
                    785:         * Pad and break control.  This is the tricker part.  Lists with
                    786:         * set right-margins for the head get TERMP_NOBREAK because, if
                    787:         * they overrun the margin, they wrap to the new margin.
                    788:         * Correspondingly, the body for these types don't left-pad, as
                    789:         * the head will pad out to to the right.
                    790:         */
                    791:
                    792:        switch (type) {
                    793:        case (MDOC_Bullet):
                    794:                /* FALLTHROUGH */
                    795:        case (MDOC_Dash):
                    796:                /* FALLTHROUGH */
                    797:        case (MDOC_Enum):
                    798:                /* FALLTHROUGH */
                    799:        case (MDOC_Hyphen):
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:                break;
1.38      kristaps  805:        case (MDOC_Hang):
1.86      kristaps  806:                if (MDOC_HEAD == n->type)
1.39      kristaps  807:                        p->flags |= TERMP_NOBREAK;
                    808:                else
                    809:                        p->flags |= TERMP_NOLPAD;
                    810:
1.86      kristaps  811:                if (MDOC_HEAD != n->type)
1.59      kristaps  812:                        break;
                    813:
                    814:                /*
                    815:                 * This is ugly.  If `-hang' is specified and the body
                    816:                 * is a `Bl' or `Bd', then we want basically to nullify
                    817:                 * the "overstep" effect in term_flushln() and treat
                    818:                 * this as a `-ohang' list instead.
                    819:                 */
1.86      kristaps  820:                if (n->next->child &&
                    821:                                (MDOC_Bl == n->next->child->tok ||
                    822:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  823:                        p->flags &= ~TERMP_NOBREAK;
                    824:                        p->flags &= ~TERMP_NOLPAD;
                    825:                } else
1.39      kristaps  826:                        p->flags |= TERMP_HANG;
                    827:                break;
1.1       kristaps  828:        case (MDOC_Tag):
1.86      kristaps  829:                if (MDOC_HEAD == n->type)
1.51      kristaps  830:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  831:                else
                    832:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  833:
1.86      kristaps  834:                if (MDOC_HEAD != n->type)
1.39      kristaps  835:                        break;
1.86      kristaps  836:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  837:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  838:                break;
                    839:        case (MDOC_Column):
1.86      kristaps  840:                if (MDOC_HEAD == n->type) {
                    841:                        assert(n->next);
                    842:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  843:                                p->flags &= ~TERMP_NOBREAK;
                    844:                        else
                    845:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  846:                        if (n->prev)
1.1       kristaps  847:                                p->flags |= TERMP_NOLPAD;
                    848:                }
                    849:                break;
                    850:        case (MDOC_Diag):
1.86      kristaps  851:                if (MDOC_HEAD == n->type)
1.1       kristaps  852:                        p->flags |= TERMP_NOBREAK;
                    853:                break;
                    854:        default:
                    855:                break;
                    856:        }
                    857:
                    858:        /*
                    859:         * Margin control.  Set-head-width lists have their right
                    860:         * margins shortened.  The body for these lists has the offset
                    861:         * necessarily lengthened.  Everybody gets the offset.
                    862:         */
                    863:
                    864:        p->offset += offset;
                    865:
                    866:        switch (type) {
1.59      kristaps  867:        case (MDOC_Hang):
                    868:                /*
                    869:                 * Same stipulation as above, regarding `-hang'.  We
                    870:                 * don't want to recalculate rmargin and offsets when
                    871:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    872:                 */
1.86      kristaps  873:                if (MDOC_HEAD == n->type && n->next->child &&
                    874:                                (MDOC_Bl == n->next->child->tok ||
                    875:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  876:                        break;
                    877:                /* FALLTHROUGH */
1.1       kristaps  878:        case (MDOC_Bullet):
                    879:                /* FALLTHROUGH */
                    880:        case (MDOC_Dash):
                    881:                /* FALLTHROUGH */
                    882:        case (MDOC_Enum):
                    883:                /* FALLTHROUGH */
                    884:        case (MDOC_Hyphen):
                    885:                /* FALLTHROUGH */
                    886:        case (MDOC_Tag):
1.49      kristaps  887:                assert(width);
1.86      kristaps  888:                if (MDOC_HEAD == n->type)
1.1       kristaps  889:                        p->rmargin = p->offset + width;
                    890:                else
                    891:                        p->offset += width;
                    892:                break;
                    893:        case (MDOC_Column):
1.49      kristaps  894:                assert(width);
1.1       kristaps  895:                p->rmargin = p->offset + width;
1.50      kristaps  896:                /*
                    897:                 * XXX - this behaviour is not documented: the
                    898:                 * right-most column is filled to the right margin.
                    899:                 */
1.86      kristaps  900:                if (MDOC_HEAD == n->type &&
                    901:                                MDOC_BODY == n->next->type)
1.50      kristaps  902:                        p->rmargin = p->maxrmargin;
1.1       kristaps  903:                break;
                    904:        default:
                    905:                break;
                    906:        }
                    907:
                    908:        /*
                    909:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  910:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  911:         */
                    912:
1.86      kristaps  913:        if (MDOC_HEAD == n->type)
1.1       kristaps  914:                switch (type) {
                    915:                case (MDOC_Bullet):
1.102     kristaps  916:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  917:                        term_word(p, "\\[bu]");
1.102     kristaps  918:                        term_fontpop(p);
1.1       kristaps  919:                        break;
                    920:                case (MDOC_Dash):
                    921:                        /* FALLTHROUGH */
                    922:                case (MDOC_Hyphen):
1.102     kristaps  923:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  924:                        term_word(p, "\\(hy");
1.102     kristaps  925:                        term_fontpop(p);
1.1       kristaps  926:                        break;
                    927:                case (MDOC_Enum):
                    928:                        (pair->ppair->ppair->count)++;
                    929:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    930:                                        pair->ppair->ppair->count);
                    931:                        term_word(p, buf);
                    932:                        break;
                    933:                default:
                    934:                        break;
                    935:                }
                    936:
                    937:        /*
                    938:         * If we're not going to process our children, indicate so here.
                    939:         */
                    940:
                    941:        switch (type) {
                    942:        case (MDOC_Bullet):
                    943:                /* FALLTHROUGH */
                    944:        case (MDOC_Item):
                    945:                /* FALLTHROUGH */
                    946:        case (MDOC_Dash):
                    947:                /* FALLTHROUGH */
                    948:        case (MDOC_Hyphen):
                    949:                /* FALLTHROUGH */
                    950:        case (MDOC_Enum):
1.86      kristaps  951:                if (MDOC_HEAD == n->type)
1.1       kristaps  952:                        return(0);
                    953:                break;
                    954:        case (MDOC_Column):
1.86      kristaps  955:                if (MDOC_BODY == n->type)
1.1       kristaps  956:                        return(0);
                    957:                break;
                    958:        default:
                    959:                break;
                    960:        }
                    961:
                    962:        return(1);
                    963: }
                    964:
                    965:
                    966: /* ARGSUSED */
                    967: static void
                    968: termp_it_post(DECL_ARGS)
                    969: {
                    970:        int                type;
                    971:
1.86      kristaps  972:        if (MDOC_BODY != n->type && MDOC_HEAD != n->type)
1.1       kristaps  973:                return;
                    974:
1.86      kristaps  975:        type = arg_listtype(n->parent->parent->parent);
1.38      kristaps  976:        assert(-1 != type);
1.1       kristaps  977:
                    978:        switch (type) {
                    979:        case (MDOC_Item):
                    980:                /* FALLTHROUGH */
1.53      kristaps  981:        case (MDOC_Diag):
                    982:                /* FALLTHROUGH */
1.1       kristaps  983:        case (MDOC_Inset):
1.86      kristaps  984:                if (MDOC_BODY == n->type)
1.1       kristaps  985:                        term_flushln(p);
                    986:                break;
                    987:        case (MDOC_Column):
1.86      kristaps  988:                if (MDOC_HEAD == n->type)
1.1       kristaps  989:                        term_flushln(p);
                    990:                break;
                    991:        default:
                    992:                term_flushln(p);
                    993:                break;
                    994:        }
                    995:
                    996:        p->flags = pair->flag;
                    997: }
                    998:
                    999:
                   1000: /* ARGSUSED */
                   1001: static int
                   1002: termp_nm_pre(DECL_ARGS)
                   1003: {
                   1004:
1.86      kristaps 1005:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1006:                term_newln(p);
1.102     kristaps 1007:
                   1008:        term_fontpush(p, TERMFONT_BOLD);
                   1009:
1.86      kristaps 1010:        if (NULL == n->child)
                   1011:                term_word(p, m->name);
1.1       kristaps 1012:        return(1);
                   1013: }
                   1014:
                   1015:
                   1016: /* ARGSUSED */
                   1017: static int
                   1018: termp_fl_pre(DECL_ARGS)
                   1019: {
                   1020:
1.102     kristaps 1021:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1022:        term_word(p, "\\-");
1.103     kristaps 1023:
                   1024:        /* A blank `Fl' should incur a subsequent space. */
                   1025:
                   1026:        if (n->child)
                   1027:                p->flags |= TERMP_NOSPACE;
                   1028:
1.1       kristaps 1029:        return(1);
                   1030: }
                   1031:
                   1032:
                   1033: /* ARGSUSED */
                   1034: static int
1.61      kristaps 1035: termp_an_pre(DECL_ARGS)
                   1036: {
                   1037:
1.86      kristaps 1038:        if (NULL == n->child)
1.61      kristaps 1039:                return(1);
                   1040:
                   1041:        /*
1.85      kristaps 1042:         * If not in the AUTHORS section, `An -split' will cause
                   1043:         * newlines to occur before the author name.  If in the AUTHORS
                   1044:         * section, by default, the first `An' invocation is nosplit,
                   1045:         * then all subsequent ones, regardless of whether interspersed
                   1046:         * with other macros/text, are split.  -split, in this case,
                   1047:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1048:         */
                   1049:
1.86      kristaps 1050:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1051:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1052:                        if (TERMP_SPLIT & p->flags)
                   1053:                                term_newln(p);
                   1054:                        return(1);
                   1055:                }
                   1056:                if (TERMP_NOSPLIT & p->flags)
                   1057:                        return(1);
                   1058:                term_newln(p);
                   1059:                return(1);
                   1060:        }
                   1061:
                   1062:        if (TERMP_SPLIT & p->flags)
                   1063:                term_newln(p);
                   1064:
                   1065:        return(1);
                   1066: }
                   1067:
                   1068:
                   1069: /* ARGSUSED */
                   1070: static void
                   1071: termp_an_post(DECL_ARGS)
                   1072: {
                   1073:
1.86      kristaps 1074:        if (n->child) {
                   1075:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1076:                        p->flags |= TERMP_ANPREC;
                   1077:                return;
                   1078:        }
                   1079:
1.86      kristaps 1080:        if (arg_getattr(MDOC_Split, n) > -1) {
1.61      kristaps 1081:                p->flags &= ~TERMP_NOSPLIT;
                   1082:                p->flags |= TERMP_SPLIT;
                   1083:        } else {
                   1084:                p->flags &= ~TERMP_SPLIT;
                   1085:                p->flags |= TERMP_NOSPLIT;
                   1086:        }
                   1087:
                   1088: }
                   1089:
                   1090:
                   1091: /* ARGSUSED */
                   1092: static int
1.1       kristaps 1093: termp_ns_pre(DECL_ARGS)
                   1094: {
                   1095:
                   1096:        p->flags |= TERMP_NOSPACE;
                   1097:        return(1);
                   1098: }
                   1099:
                   1100:
                   1101: /* ARGSUSED */
                   1102: static int
                   1103: termp_rs_pre(DECL_ARGS)
                   1104: {
                   1105:
1.86      kristaps 1106:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1107:                return(1);
1.86      kristaps 1108:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1109:                term_vspace(p);
                   1110:        return(1);
                   1111: }
                   1112:
                   1113:
                   1114: /* ARGSUSED */
                   1115: static int
                   1116: termp_rv_pre(DECL_ARGS)
                   1117: {
1.68      kristaps 1118:        const struct mdoc_node  *nn;
1.1       kristaps 1119:
                   1120:        term_newln(p);
                   1121:        term_word(p, "The");
                   1122:
1.86      kristaps 1123:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1124:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1125:                term_word(p, nn->string);
1.102     kristaps 1126:                term_fontpop(p);
1.68      kristaps 1127:                p->flags |= TERMP_NOSPACE;
                   1128:                if (nn->next && NULL == nn->next->next)
                   1129:                        term_word(p, "(), and");
                   1130:                else if (nn->next)
                   1131:                        term_word(p, "(),");
                   1132:                else
                   1133:                        term_word(p, "()");
                   1134:        }
                   1135:
1.86      kristaps 1136:        if (n->child->next)
1.68      kristaps 1137:                term_word(p, "functions return");
                   1138:        else
                   1139:                term_word(p, "function returns");
1.1       kristaps 1140:
1.68      kristaps 1141:                term_word(p, "the value 0 if successful; otherwise the value "
                   1142:                        "-1 is returned and the global variable");
1.1       kristaps 1143:
1.102     kristaps 1144:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1145:        term_word(p, "errno");
1.102     kristaps 1146:        term_fontpop(p);
1.1       kristaps 1147:
                   1148:                term_word(p, "is set to indicate the error.");
                   1149:
1.68      kristaps 1150:        return(0);
1.1       kristaps 1151: }
                   1152:
                   1153:
                   1154: /* ARGSUSED */
                   1155: static int
                   1156: termp_ex_pre(DECL_ARGS)
                   1157: {
1.68      kristaps 1158:        const struct mdoc_node  *nn;
1.1       kristaps 1159:
1.68      kristaps 1160:        term_word(p, "The");
1.1       kristaps 1161:
1.86      kristaps 1162:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1163:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1164:                term_word(p, nn->string);
1.102     kristaps 1165:                term_fontpop(p);
1.68      kristaps 1166:                p->flags |= TERMP_NOSPACE;
                   1167:                if (nn->next && NULL == nn->next->next)
                   1168:                        term_word(p, ", and");
                   1169:                else if (nn->next)
                   1170:                        term_word(p, ",");
                   1171:                else
                   1172:                        p->flags &= ~TERMP_NOSPACE;
                   1173:        }
                   1174:
1.86      kristaps 1175:        if (n->child->next)
1.68      kristaps 1176:                term_word(p, "utilities exit");
                   1177:        else
                   1178:                term_word(p, "utility exits");
                   1179:
                   1180:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1181:
1.68      kristaps 1182:        return(0);
1.1       kristaps 1183: }
                   1184:
                   1185:
                   1186: /* ARGSUSED */
                   1187: static int
                   1188: termp_nd_pre(DECL_ARGS)
                   1189: {
1.25      kristaps 1190:
1.86      kristaps 1191:        if (MDOC_BODY != n->type)
1.25      kristaps 1192:                return(1);
1.30      kristaps 1193:
1.27      kristaps 1194: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1195:        term_word(p, "\\(en");
1.23      kristaps 1196: #else
                   1197:        term_word(p, "\\(em");
                   1198: #endif
1.1       kristaps 1199:        return(1);
                   1200: }
                   1201:
                   1202:
                   1203: /* ARGSUSED */
                   1204: static void
                   1205: termp_bl_post(DECL_ARGS)
                   1206: {
                   1207:
1.86      kristaps 1208:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1209:                term_newln(p);
                   1210: }
                   1211:
                   1212:
                   1213: /* ARGSUSED */
                   1214: static void
                   1215: termp_op_post(DECL_ARGS)
                   1216: {
                   1217:
1.86      kristaps 1218:        if (MDOC_BODY != n->type)
1.1       kristaps 1219:                return;
                   1220:        p->flags |= TERMP_NOSPACE;
                   1221:        term_word(p, "\\(rB");
                   1222: }
                   1223:
                   1224:
                   1225: /* ARGSUSED */
                   1226: static int
                   1227: termp_xr_pre(DECL_ARGS)
                   1228: {
1.86      kristaps 1229:        const struct mdoc_node *nn;
1.1       kristaps 1230:
1.86      kristaps 1231:        assert(n->child && MDOC_TEXT == n->child->type);
                   1232:        nn = n->child;
1.11      kristaps 1233:
1.86      kristaps 1234:        term_word(p, nn->string);
                   1235:        if (NULL == (nn = nn->next))
1.1       kristaps 1236:                return(0);
                   1237:        p->flags |= TERMP_NOSPACE;
                   1238:        term_word(p, "(");
                   1239:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1240:        term_word(p, nn->string);
1.1       kristaps 1241:        p->flags |= TERMP_NOSPACE;
                   1242:        term_word(p, ")");
1.86      kristaps 1243:
1.1       kristaps 1244:        return(0);
                   1245: }
                   1246:
                   1247:
                   1248: /* ARGSUSED */
                   1249: static void
                   1250: termp_vt_post(DECL_ARGS)
                   1251: {
                   1252:
1.86      kristaps 1253:        if (n->sec != SEC_SYNOPSIS)
1.32      kristaps 1254:                return;
1.86      kristaps 1255:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1256:                term_newln(p);
1.86      kristaps 1257:        else if (n->next)
1.1       kristaps 1258:                term_vspace(p);
                   1259: }
                   1260:
                   1261:
                   1262: /* ARGSUSED */
                   1263: static int
1.69      kristaps 1264: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1265: {
                   1266:
1.102     kristaps 1267:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1268:        return(1);
                   1269: }
                   1270:
                   1271:
                   1272: /* ARGSUSED */
                   1273: static void
                   1274: termp_fd_post(DECL_ARGS)
                   1275: {
                   1276:
1.86      kristaps 1277:        if (n->sec != SEC_SYNOPSIS)
1.1       kristaps 1278:                return;
1.29      kristaps 1279:
1.1       kristaps 1280:        term_newln(p);
1.86      kristaps 1281:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1282:                term_vspace(p);
                   1283: }
                   1284:
                   1285:
                   1286: /* ARGSUSED */
                   1287: static int
                   1288: termp_sh_pre(DECL_ARGS)
                   1289: {
1.85      kristaps 1290:
                   1291:        /* No vspace between consecutive `Sh' calls. */
                   1292:
1.86      kristaps 1293:        switch (n->type) {
1.65      kristaps 1294:        case (MDOC_BLOCK):
1.86      kristaps 1295:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1296:                        if (NULL == n->prev->body->child)
1.65      kristaps 1297:                                break;
                   1298:                term_vspace(p);
                   1299:                break;
1.1       kristaps 1300:        case (MDOC_HEAD):
1.102     kristaps 1301:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1302:                break;
                   1303:        case (MDOC_BODY):
                   1304:                p->offset = INDENT;
                   1305:                break;
                   1306:        default:
                   1307:                break;
                   1308:        }
                   1309:        return(1);
                   1310: }
                   1311:
                   1312:
                   1313: /* ARGSUSED */
                   1314: static void
                   1315: termp_sh_post(DECL_ARGS)
                   1316: {
                   1317:
1.86      kristaps 1318:        switch (n->type) {
1.1       kristaps 1319:        case (MDOC_HEAD):
                   1320:                term_newln(p);
                   1321:                break;
                   1322:        case (MDOC_BODY):
                   1323:                term_newln(p);
                   1324:                p->offset = 0;
                   1325:                break;
                   1326:        default:
                   1327:                break;
                   1328:        }
                   1329: }
                   1330:
                   1331:
                   1332: /* ARGSUSED */
                   1333: static int
                   1334: termp_op_pre(DECL_ARGS)
                   1335: {
                   1336:
1.86      kristaps 1337:        switch (n->type) {
1.1       kristaps 1338:        case (MDOC_BODY):
                   1339:                term_word(p, "\\(lB");
                   1340:                p->flags |= TERMP_NOSPACE;
                   1341:                break;
                   1342:        default:
                   1343:                break;
                   1344:        }
                   1345:        return(1);
                   1346: }
                   1347:
                   1348:
                   1349: /* ARGSUSED */
                   1350: static int
                   1351: termp_bt_pre(DECL_ARGS)
                   1352: {
                   1353:
                   1354:        term_word(p, "is currently in beta test.");
1.81      kristaps 1355:        return(0);
1.1       kristaps 1356: }
                   1357:
                   1358:
                   1359: /* ARGSUSED */
                   1360: static void
                   1361: termp_lb_post(DECL_ARGS)
                   1362: {
                   1363:
1.86      kristaps 1364:        if (SEC_LIBRARY == n->sec)
1.81      kristaps 1365:                term_newln(p);
1.1       kristaps 1366: }
                   1367:
                   1368:
                   1369: /* ARGSUSED */
                   1370: static int
                   1371: termp_ud_pre(DECL_ARGS)
                   1372: {
                   1373:
                   1374:        term_word(p, "currently under development.");
1.86      kristaps 1375:        return(0);
1.1       kristaps 1376: }
                   1377:
                   1378:
                   1379: /* ARGSUSED */
                   1380: static int
                   1381: termp_d1_pre(DECL_ARGS)
                   1382: {
                   1383:
1.86      kristaps 1384:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1385:                return(1);
                   1386:        term_newln(p);
1.29      kristaps 1387:        p->offset += (INDENT + 1);
1.1       kristaps 1388:        return(1);
                   1389: }
                   1390:
                   1391:
                   1392: /* ARGSUSED */
                   1393: static void
                   1394: termp_d1_post(DECL_ARGS)
                   1395: {
                   1396:
1.86      kristaps 1397:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1398:                return;
                   1399:        term_newln(p);
                   1400: }
                   1401:
                   1402:
                   1403: /* ARGSUSED */
                   1404: static int
                   1405: termp_aq_pre(DECL_ARGS)
                   1406: {
                   1407:
1.86      kristaps 1408:        if (MDOC_BODY != n->type)
1.1       kristaps 1409:                return(1);
                   1410:        term_word(p, "\\(la");
                   1411:        p->flags |= TERMP_NOSPACE;
                   1412:        return(1);
                   1413: }
                   1414:
                   1415:
                   1416: /* ARGSUSED */
                   1417: static void
                   1418: termp_aq_post(DECL_ARGS)
                   1419: {
                   1420:
1.86      kristaps 1421:        if (MDOC_BODY != n->type)
1.1       kristaps 1422:                return;
                   1423:        p->flags |= TERMP_NOSPACE;
                   1424:        term_word(p, "\\(ra");
                   1425: }
                   1426:
                   1427:
                   1428: /* ARGSUSED */
                   1429: static int
                   1430: termp_ft_pre(DECL_ARGS)
                   1431: {
                   1432:
1.86      kristaps 1433:        if (SEC_SYNOPSIS == n->sec)
                   1434:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1435:                        term_vspace(p);
1.102     kristaps 1436:
                   1437:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1438:        return(1);
                   1439: }
                   1440:
                   1441:
                   1442: /* ARGSUSED */
                   1443: static void
                   1444: termp_ft_post(DECL_ARGS)
                   1445: {
                   1446:
1.86      kristaps 1447:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1448:                term_newln(p);
                   1449: }
                   1450:
                   1451:
                   1452: /* ARGSUSED */
                   1453: static int
                   1454: termp_fn_pre(DECL_ARGS)
                   1455: {
1.86      kristaps 1456:        const struct mdoc_node  *nn;
1.1       kristaps 1457:
1.102     kristaps 1458:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1459:        term_word(p, n->child->string);
1.102     kristaps 1460:        term_fontpop(p);
1.1       kristaps 1461:
                   1462:        p->flags |= TERMP_NOSPACE;
                   1463:        term_word(p, "(");
                   1464:
1.86      kristaps 1465:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1466:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1467:                term_word(p, nn->string);
1.102     kristaps 1468:                term_fontpop(p);
                   1469:
1.86      kristaps 1470:                if (nn->next)
1.1       kristaps 1471:                        term_word(p, ",");
                   1472:        }
                   1473:
                   1474:        term_word(p, ")");
                   1475:
1.86      kristaps 1476:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1477:                term_word(p, ";");
                   1478:
                   1479:        return(0);
                   1480: }
                   1481:
                   1482:
                   1483: /* ARGSUSED */
                   1484: static void
                   1485: termp_fn_post(DECL_ARGS)
                   1486: {
                   1487:
1.86      kristaps 1488:        if (n->sec == SEC_SYNOPSIS && n->next)
1.1       kristaps 1489:                term_vspace(p);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static int
                   1495: termp_fa_pre(DECL_ARGS)
                   1496: {
1.86      kristaps 1497:        const struct mdoc_node  *nn;
1.1       kristaps 1498:
1.86      kristaps 1499:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1500:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1501:                return(1);
                   1502:        }
                   1503:
1.86      kristaps 1504:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1505:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1506:                term_word(p, nn->string);
1.102     kristaps 1507:                term_fontpop(p);
                   1508:
1.86      kristaps 1509:                if (nn->next)
1.1       kristaps 1510:                        term_word(p, ",");
                   1511:        }
                   1512:
1.86      kristaps 1513:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1514:                term_word(p, ",");
                   1515:
                   1516:        return(0);
                   1517: }
                   1518:
                   1519:
                   1520: /* ARGSUSED */
                   1521: static int
                   1522: termp_bd_pre(DECL_ARGS)
                   1523: {
1.85      kristaps 1524:        int                      i, type;
                   1525:        const struct mdoc_node  *nn;
1.1       kristaps 1526:
1.86      kristaps 1527:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1528:                print_bvspace(p, n, n);
1.54      kristaps 1529:                return(1);
1.86      kristaps 1530:        } else if (MDOC_BODY != n->type)
1.1       kristaps 1531:                return(1);
                   1532:
1.86      kristaps 1533:        nn = n->parent;
1.11      kristaps 1534:
1.85      kristaps 1535:        for (type = -1, i = 0; i < (int)nn->args->argc; i++) {
                   1536:                switch (nn->args->argv[i].arg) {
1.90      kristaps 1537:                case (MDOC_Centred):
                   1538:                        /* FALLTHROUGH */
1.1       kristaps 1539:                case (MDOC_Ragged):
                   1540:                        /* FALLTHROUGH */
                   1541:                case (MDOC_Filled):
                   1542:                        /* FALLTHROUGH */
                   1543:                case (MDOC_Unfilled):
                   1544:                        /* FALLTHROUGH */
                   1545:                case (MDOC_Literal):
1.85      kristaps 1546:                        type = nn->args->argv[i].arg;
                   1547:                        break;
                   1548:                case (MDOC_Offset):
1.96      kristaps 1549:                        p->offset += a2offs(&nn->args->argv[i]);
1.1       kristaps 1550:                        break;
                   1551:                default:
                   1552:                        break;
                   1553:                }
                   1554:        }
1.85      kristaps 1555:
                   1556:        /*
                   1557:         * If -ragged or -filled are specified, the block does nothing
                   1558:         * but change the indentation.  If -unfilled or -literal are
                   1559:         * specified, text is printed exactly as entered in the display:
                   1560:         * for macro lines, a newline is appended to the line.  Blank
                   1561:         * lines are allowed.
                   1562:         */
1.60      kristaps 1563:
                   1564:        assert(type > -1);
1.85      kristaps 1565:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1566:                return(1);
                   1567:
1.86      kristaps 1568:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1569:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1570:                print_mdoc_node(p, pair, m, nn);
1.85      kristaps 1571:                if (NULL == nn->next)
                   1572:                        continue;
                   1573:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1574:                        term_flushln(p);
1.87      kristaps 1575:                else if (NULL == nn->prev)
                   1576:                        term_flushln(p);
1.1       kristaps 1577:        }
                   1578:
                   1579:        return(0);
                   1580: }
                   1581:
                   1582:
                   1583: /* ARGSUSED */
                   1584: static void
                   1585: termp_bd_post(DECL_ARGS)
                   1586: {
                   1587:
1.86      kristaps 1588:        if (MDOC_BODY != n->type)
1.1       kristaps 1589:                return;
1.60      kristaps 1590:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1591:        term_flushln(p);
                   1592: }
                   1593:
                   1594:
                   1595: /* ARGSUSED */
                   1596: static int
                   1597: termp_qq_pre(DECL_ARGS)
                   1598: {
                   1599:
1.86      kristaps 1600:        if (MDOC_BODY != n->type)
1.1       kristaps 1601:                return(1);
                   1602:        term_word(p, "\"");
                   1603:        p->flags |= TERMP_NOSPACE;
                   1604:        return(1);
                   1605: }
                   1606:
                   1607:
                   1608: /* ARGSUSED */
                   1609: static void
                   1610: termp_qq_post(DECL_ARGS)
                   1611: {
                   1612:
1.86      kristaps 1613:        if (MDOC_BODY != n->type)
1.1       kristaps 1614:                return;
                   1615:        p->flags |= TERMP_NOSPACE;
                   1616:        term_word(p, "\"");
                   1617: }
                   1618:
                   1619:
                   1620: /* ARGSUSED */
                   1621: static void
                   1622: termp_bx_post(DECL_ARGS)
                   1623: {
                   1624:
1.86      kristaps 1625:        if (n->child)
1.1       kristaps 1626:                p->flags |= TERMP_NOSPACE;
                   1627:        term_word(p, "BSD");
                   1628: }
                   1629:
                   1630:
                   1631: /* ARGSUSED */
                   1632: static int
1.26      kristaps 1633: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1634: {
1.26      kristaps 1635:        const char      *pp;
1.1       kristaps 1636:
1.26      kristaps 1637:        pp = NULL;
1.86      kristaps 1638:        switch (n->tok) {
1.26      kristaps 1639:        case (MDOC_Bsx):
                   1640:                pp = "BSDI BSD/OS";
                   1641:                break;
                   1642:        case (MDOC_Dx):
1.100     kristaps 1643:                pp = "DragonFly";
1.26      kristaps 1644:                break;
                   1645:        case (MDOC_Fx):
                   1646:                pp = "FreeBSD";
                   1647:                break;
                   1648:        case (MDOC_Nx):
                   1649:                pp = "NetBSD";
                   1650:                break;
                   1651:        case (MDOC_Ox):
                   1652:                pp = "OpenBSD";
                   1653:                break;
                   1654:        case (MDOC_Ux):
                   1655:                pp = "UNIX";
                   1656:                break;
                   1657:        default:
                   1658:                break;
                   1659:        }
1.1       kristaps 1660:
1.26      kristaps 1661:        assert(pp);
                   1662:        term_word(p, pp);
1.1       kristaps 1663:        return(1);
                   1664: }
                   1665:
                   1666:
                   1667: /* ARGSUSED */
                   1668: static int
                   1669: termp_sq_pre(DECL_ARGS)
                   1670: {
                   1671:
1.86      kristaps 1672:        if (MDOC_BODY != n->type)
1.1       kristaps 1673:                return(1);
                   1674:        term_word(p, "\\(oq");
                   1675:        p->flags |= TERMP_NOSPACE;
                   1676:        return(1);
                   1677: }
                   1678:
                   1679:
                   1680: /* ARGSUSED */
                   1681: static void
                   1682: termp_sq_post(DECL_ARGS)
                   1683: {
                   1684:
1.86      kristaps 1685:        if (MDOC_BODY != n->type)
1.1       kristaps 1686:                return;
                   1687:        p->flags |= TERMP_NOSPACE;
                   1688:        term_word(p, "\\(aq");
                   1689: }
                   1690:
                   1691:
                   1692: /* ARGSUSED */
                   1693: static int
                   1694: termp_pf_pre(DECL_ARGS)
                   1695: {
                   1696:
                   1697:        p->flags |= TERMP_IGNDELIM;
                   1698:        return(1);
                   1699: }
                   1700:
                   1701:
                   1702: /* ARGSUSED */
                   1703: static void
                   1704: termp_pf_post(DECL_ARGS)
                   1705: {
                   1706:
                   1707:        p->flags &= ~TERMP_IGNDELIM;
                   1708:        p->flags |= TERMP_NOSPACE;
                   1709: }
                   1710:
                   1711:
                   1712: /* ARGSUSED */
                   1713: static int
                   1714: termp_ss_pre(DECL_ARGS)
                   1715: {
                   1716:
1.86      kristaps 1717:        switch (n->type) {
1.1       kristaps 1718:        case (MDOC_BLOCK):
                   1719:                term_newln(p);
1.86      kristaps 1720:                if (n->prev)
1.1       kristaps 1721:                        term_vspace(p);
                   1722:                break;
                   1723:        case (MDOC_HEAD):
1.102     kristaps 1724:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1725:                p->offset = HALFINDENT;
1.1       kristaps 1726:                break;
                   1727:        default:
                   1728:                break;
                   1729:        }
                   1730:
                   1731:        return(1);
                   1732: }
                   1733:
                   1734:
                   1735: /* ARGSUSED */
                   1736: static void
                   1737: termp_ss_post(DECL_ARGS)
                   1738: {
                   1739:
1.86      kristaps 1740:        if (MDOC_HEAD == n->type)
1.1       kristaps 1741:                term_newln(p);
                   1742: }
                   1743:
                   1744:
                   1745: /* ARGSUSED */
                   1746: static int
                   1747: termp_cd_pre(DECL_ARGS)
                   1748: {
                   1749:
1.102     kristaps 1750:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1751:        term_newln(p);
                   1752:        return(1);
                   1753: }
                   1754:
                   1755:
                   1756: /* ARGSUSED */
                   1757: static int
                   1758: termp_in_pre(DECL_ARGS)
                   1759: {
                   1760:
1.102     kristaps 1761:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1762:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1763:                term_word(p, "#include");
                   1764:
1.1       kristaps 1765:        term_word(p, "<");
                   1766:        p->flags |= TERMP_NOSPACE;
                   1767:        return(1);
                   1768: }
                   1769:
                   1770:
                   1771: /* ARGSUSED */
                   1772: static void
                   1773: termp_in_post(DECL_ARGS)
                   1774: {
                   1775:
1.102     kristaps 1776:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1777:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1778:        term_word(p, ">");
1.102     kristaps 1779:        term_fontpop(p);
1.1       kristaps 1780:
1.86      kristaps 1781:        if (SEC_SYNOPSIS != n->sec)
1.1       kristaps 1782:                return;
1.22      kristaps 1783:
                   1784:        term_newln(p);
                   1785:        /*
                   1786:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1787:         * the SYNOPSIS section, then it produces a single break after
                   1788:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1789:         * construction is rarely used, I think it's fine.
                   1790:         */
1.86      kristaps 1791:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1792:                term_vspace(p);
                   1793: }
                   1794:
                   1795:
                   1796: /* ARGSUSED */
                   1797: static int
1.45      kristaps 1798: termp_sp_pre(DECL_ARGS)
                   1799: {
1.91      kristaps 1800:        size_t           i, len;
1.45      kristaps 1801:
1.86      kristaps 1802:        switch (n->tok) {
1.76      kristaps 1803:        case (MDOC_sp):
1.96      kristaps 1804:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1805:                break;
                   1806:        case (MDOC_br):
                   1807:                len = 0;
                   1808:                break;
                   1809:        default:
                   1810:                len = 1;
                   1811:                break;
1.45      kristaps 1812:        }
                   1813:
                   1814:        if (0 == len)
                   1815:                term_newln(p);
                   1816:        for (i = 0; i < len; i++)
                   1817:                term_vspace(p);
                   1818:
                   1819:        return(0);
                   1820: }
                   1821:
                   1822:
                   1823: /* ARGSUSED */
                   1824: static int
1.1       kristaps 1825: termp_brq_pre(DECL_ARGS)
                   1826: {
                   1827:
1.86      kristaps 1828:        if (MDOC_BODY != n->type)
1.1       kristaps 1829:                return(1);
                   1830:        term_word(p, "\\(lC");
                   1831:        p->flags |= TERMP_NOSPACE;
                   1832:        return(1);
                   1833: }
                   1834:
                   1835:
                   1836: /* ARGSUSED */
                   1837: static void
                   1838: termp_brq_post(DECL_ARGS)
                   1839: {
                   1840:
1.86      kristaps 1841:        if (MDOC_BODY != n->type)
1.1       kristaps 1842:                return;
                   1843:        p->flags |= TERMP_NOSPACE;
                   1844:        term_word(p, "\\(rC");
                   1845: }
                   1846:
                   1847:
                   1848: /* ARGSUSED */
                   1849: static int
                   1850: termp_bq_pre(DECL_ARGS)
                   1851: {
                   1852:
1.86      kristaps 1853:        if (MDOC_BODY != n->type)
1.1       kristaps 1854:                return(1);
                   1855:        term_word(p, "\\(lB");
                   1856:        p->flags |= TERMP_NOSPACE;
                   1857:        return(1);
                   1858: }
                   1859:
                   1860:
                   1861: /* ARGSUSED */
                   1862: static void
                   1863: termp_bq_post(DECL_ARGS)
                   1864: {
                   1865:
1.86      kristaps 1866:        if (MDOC_BODY != n->type)
1.1       kristaps 1867:                return;
                   1868:        p->flags |= TERMP_NOSPACE;
                   1869:        term_word(p, "\\(rB");
                   1870: }
                   1871:
                   1872:
                   1873: /* ARGSUSED */
                   1874: static int
                   1875: termp_pq_pre(DECL_ARGS)
                   1876: {
                   1877:
1.86      kristaps 1878:        if (MDOC_BODY != n->type)
1.1       kristaps 1879:                return(1);
                   1880:        term_word(p, "\\&(");
                   1881:        p->flags |= TERMP_NOSPACE;
                   1882:        return(1);
                   1883: }
                   1884:
                   1885:
                   1886: /* ARGSUSED */
                   1887: static void
                   1888: termp_pq_post(DECL_ARGS)
                   1889: {
                   1890:
1.86      kristaps 1891:        if (MDOC_BODY != n->type)
1.1       kristaps 1892:                return;
                   1893:        term_word(p, ")");
                   1894: }
                   1895:
                   1896:
                   1897: /* ARGSUSED */
                   1898: static int
                   1899: termp_fo_pre(DECL_ARGS)
                   1900: {
1.86      kristaps 1901:        const struct mdoc_node *nn;
1.1       kristaps 1902:
1.86      kristaps 1903:        if (MDOC_BODY == n->type) {
1.33      kristaps 1904:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1905:                term_word(p, "(");
                   1906:                p->flags |= TERMP_NOSPACE;
                   1907:                return(1);
1.86      kristaps 1908:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1909:                return(1);
                   1910:
1.102     kristaps 1911:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1912:        for (nn = n->child; nn; nn = nn->next) {
                   1913:                assert(MDOC_TEXT == nn->type);
                   1914:                term_word(p, nn->string);
1.1       kristaps 1915:        }
1.102     kristaps 1916:        term_fontpop(p);
1.1       kristaps 1917:
                   1918:        return(0);
                   1919: }
                   1920:
                   1921:
                   1922: /* ARGSUSED */
                   1923: static void
                   1924: termp_fo_post(DECL_ARGS)
                   1925: {
                   1926:
1.86      kristaps 1927:        if (MDOC_BODY != n->type)
1.1       kristaps 1928:                return;
                   1929:        p->flags |= TERMP_NOSPACE;
                   1930:        term_word(p, ")");
                   1931:        p->flags |= TERMP_NOSPACE;
                   1932:        term_word(p, ";");
                   1933:        term_newln(p);
                   1934: }
                   1935:
                   1936:
                   1937: /* ARGSUSED */
                   1938: static int
                   1939: termp_bf_pre(DECL_ARGS)
                   1940: {
1.86      kristaps 1941:        const struct mdoc_node  *nn;
1.1       kristaps 1942:
1.86      kristaps 1943:        if (MDOC_HEAD == n->type)
1.1       kristaps 1944:                return(0);
1.86      kristaps 1945:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 1946:                return(1);
                   1947:
1.86      kristaps 1948:        if (NULL == (nn = n->head->child)) {
                   1949:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 1950:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1951:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 1952:                        term_fontpush(p, TERMFONT_BOLD);
                   1953:                else
                   1954:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1955:
                   1956:                return(1);
                   1957:        }
                   1958:
1.86      kristaps 1959:        assert(MDOC_TEXT == nn->type);
                   1960:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 1961:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1962:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 1963:                term_fontpush(p, TERMFONT_BOLD);
                   1964:        else
                   1965:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1966:
                   1967:        return(1);
                   1968: }
                   1969:
                   1970:
                   1971: /* ARGSUSED */
                   1972: static int
                   1973: termp_sm_pre(DECL_ARGS)
                   1974: {
                   1975:
1.86      kristaps 1976:        assert(n->child && MDOC_TEXT == n->child->type);
                   1977:        if (0 == strcmp("on", n->child->string)) {
1.1       kristaps 1978:                p->flags &= ~TERMP_NONOSPACE;
                   1979:                p->flags &= ~TERMP_NOSPACE;
                   1980:        } else
                   1981:                p->flags |= TERMP_NONOSPACE;
                   1982:
                   1983:        return(0);
                   1984: }
                   1985:
                   1986:
                   1987: /* ARGSUSED */
                   1988: static int
                   1989: termp_ap_pre(DECL_ARGS)
                   1990: {
                   1991:
                   1992:        p->flags |= TERMP_NOSPACE;
                   1993:        term_word(p, "\\(aq");
                   1994:        p->flags |= TERMP_NOSPACE;
                   1995:        return(1);
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static void
                   2001: termp____post(DECL_ARGS)
                   2002: {
                   2003:
1.95      kristaps 2004:        /* TODO: %U. */
                   2005:
1.1       kristaps 2006:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2007:        switch (n->tok) {
1.84      kristaps 2008:        case (MDOC__T):
                   2009:                term_word(p, "\\(rq");
                   2010:                p->flags |= TERMP_NOSPACE;
                   2011:                break;
                   2012:        default:
                   2013:                break;
                   2014:        }
1.86      kristaps 2015:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2016: }
                   2017:
                   2018:
                   2019: /* ARGSUSED */
                   2020: static int
1.102     kristaps 2021: termp_li_pre(DECL_ARGS)
                   2022: {
                   2023:
                   2024:        term_fontpush(p, TERMFONT_NONE);
                   2025:        return(1);
                   2026: }
                   2027:
                   2028:
                   2029: /* ARGSUSED */
                   2030: static int
1.1       kristaps 2031: termp_lk_pre(DECL_ARGS)
                   2032: {
1.86      kristaps 2033:        const struct mdoc_node *nn;
1.1       kristaps 2034:
1.102     kristaps 2035:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2036:        nn = n->child;
                   2037:
                   2038:        if (NULL == nn->next)
1.12      kristaps 2039:                return(1);
                   2040:
1.86      kristaps 2041:        term_word(p, nn->string);
1.102     kristaps 2042:        term_fontpop(p);
1.96      kristaps 2043:
1.1       kristaps 2044:        p->flags |= TERMP_NOSPACE;
                   2045:        term_word(p, ":");
                   2046:
1.102     kristaps 2047:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2048:        for (nn = nn->next; nn; nn = nn->next)
                   2049:                term_word(p, nn->string);
1.102     kristaps 2050:        term_fontpop(p);
1.12      kristaps 2051:
1.1       kristaps 2052:        return(0);
                   2053: }
                   2054:
                   2055:
                   2056: /* ARGSUSED */
                   2057: static int
1.69      kristaps 2058: termp_under_pre(DECL_ARGS)
1.1       kristaps 2059: {
                   2060:
1.102     kristaps 2061:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 2062:        return(1);
                   2063: }
1.83      kristaps 2064:
1.84      kristaps 2065:
                   2066: /* ARGSUSED */
                   2067: static int
                   2068: termp__t_pre(DECL_ARGS)
                   2069: {
                   2070:
                   2071:        term_word(p, "\\(lq");
                   2072:        p->flags |= TERMP_NOSPACE;
                   2073:        return(1);
                   2074: }

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