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Annotation of mandoc/mdoc_term.c, Revision 1.126

1.126   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.125 2010/05/17 22:11:42 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:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.92      kristaps   31: #include "out.h"
1.1       kristaps   32: #include "term.h"
                     33: #include "mdoc.h"
1.89      kristaps   34: #include "chars.h"
                     35: #include "main.h"
1.1       kristaps   36:
1.66      kristaps   37: #define        INDENT            5
                     38: #define        HALFINDENT        3
                     39:
1.1       kristaps   40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.86      kristaps   47:                  const struct mdoc_meta *m, \
                     48:                  const struct mdoc_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.96      kristaps   55: static size_t    a2width(const struct mdoc_argv *, int);
                     56: static size_t    a2height(const struct mdoc_node *);
                     57: static size_t    a2offs(const struct mdoc_argv *);
                     58:
                     59: static int       arg_hasattr(int, const struct mdoc_node *);
                     60: static int       arg_getattrs(const int *, int *, size_t,
                     61:                        const struct mdoc_node *);
                     62: static int       arg_getattr(int, const struct mdoc_node *);
1.118     kristaps   63: static int       arg_disptype(const struct mdoc_node *);
1.96      kristaps   64: static void      print_bvspace(struct termp *,
                     65:                        const struct mdoc_node *,
                     66:                        const struct mdoc_node *);
1.102     kristaps   67: static void      print_mdoc_node(DECL_ARGS);
                     68: static void      print_mdoc_head(DECL_ARGS);
                     69: static void      print_mdoc_nodelist(DECL_ARGS);
1.96      kristaps   70: static void      print_foot(DECL_ARGS);
                     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:
1.61      kristaps   98: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_ap_pre(DECL_ARGS);
                    100: static int       termp_aq_pre(DECL_ARGS);
                    101: static int       termp_bd_pre(DECL_ARGS);
                    102: static int       termp_bf_pre(DECL_ARGS);
1.115     kristaps  103: static int       termp_bl_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);
1.110     kristaps  137: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  138: static int       termp_xr_pre(DECL_ARGS);
                    139: static int       termp_xx_pre(DECL_ARGS);
                    140:
1.70      kristaps  141: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  142:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  143:        { NULL, NULL }, /* Dd */
                    144:        { NULL, NULL }, /* Dt */
                    145:        { NULL, NULL }, /* Os */
                    146:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    147:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  148:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  149:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    150:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    151:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    152:        { NULL, NULL }, /* Ed */
1.115     kristaps  153:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  154:        { NULL, NULL }, /* El */
                    155:        { termp_it_pre, termp_it_post }, /* It */
                    156:        { NULL, NULL }, /* Ad */
1.61      kristaps  157:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  158:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  159:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  160:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  161:        { NULL, NULL }, /* Dv */
                    162:        { NULL, NULL }, /* Er */
                    163:        { NULL, NULL }, /* Ev */
                    164:        { termp_ex_pre, NULL }, /* Ex */
                    165:        { termp_fa_pre, NULL }, /* Fa */
1.69      kristaps  166:        { termp_bold_pre, termp_fd_post }, /* Fd */
1.1       kristaps  167:        { termp_fl_pre, NULL }, /* Fl */
                    168:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    169:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.69      kristaps  170:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  171:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  172:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  173:        { termp_nd_pre, NULL }, /* Nd */
                    174:        { termp_nm_pre, NULL }, /* Nm */
                    175:        { termp_op_pre, termp_op_post }, /* Op */
                    176:        { NULL, NULL }, /* Ot */
1.69      kristaps  177:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  178:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  179:        { NULL, NULL }, /* St */
1.69      kristaps  180:        { termp_under_pre, NULL }, /* Va */
1.110     kristaps  181:        { termp_vt_pre, termp_vt_post }, /* Vt */
1.1       kristaps  182:        { termp_xr_pre, NULL }, /* Xr */
                    183:        { NULL, termp____post }, /* %A */
1.84      kristaps  184:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  185:        { NULL, termp____post }, /* %D */
1.84      kristaps  186:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  187:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  188:        { NULL, termp____post }, /* %N */
                    189:        { NULL, termp____post }, /* %O */
                    190:        { NULL, termp____post }, /* %P */
                    191:        { NULL, termp____post }, /* %R */
1.117     kristaps  192:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  193:        { NULL, termp____post }, /* %V */
                    194:        { NULL, NULL }, /* Ac */
                    195:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    196:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  197:        { NULL, NULL }, /* At */
1.1       kristaps  198:        { NULL, NULL }, /* Bc */
                    199:        { termp_bf_pre, NULL }, /* Bf */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    201:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  202:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  203:        { NULL, termp_bx_post }, /* Bx */
                    204:        { NULL, NULL }, /* Db */
                    205:        { NULL, NULL }, /* Dc */
                    206:        { termp_dq_pre, termp_dq_post }, /* Do */
                    207:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  208:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  209:        { NULL, NULL }, /* Ef */
1.69      kristaps  210:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  211:        { NULL, NULL }, /* Eo */
1.26      kristaps  212:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  213:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  214:        { NULL, NULL }, /* No */
                    215:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  216:        { termp_xx_pre, NULL }, /* Nx */
                    217:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  218:        { NULL, NULL }, /* Pc */
                    219:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    220:        { termp_pq_pre, termp_pq_post }, /* Po */
                    221:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    222:        { NULL, NULL }, /* Qc */
                    223:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    225:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    226:        { NULL, NULL }, /* Re */
                    227:        { termp_rs_pre, NULL }, /* Rs */
                    228:        { NULL, NULL }, /* Sc */
                    229:        { termp_sq_pre, termp_sq_post }, /* So */
                    230:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    231:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  232:        { termp_under_pre, NULL }, /* Sx */
                    233:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  234:        { NULL, NULL }, /* Tn */
1.26      kristaps  235:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  236:        { NULL, NULL }, /* Xc */
                    237:        { NULL, NULL }, /* Xo */
                    238:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    239:        { NULL, NULL }, /* Fc */
                    240:        { termp_op_pre, termp_op_post }, /* Oo */
                    241:        { NULL, NULL }, /* Oc */
                    242:        { NULL, NULL }, /* Bk */
                    243:        { NULL, NULL }, /* Ek */
                    244:        { termp_bt_pre, NULL }, /* Bt */
                    245:        { NULL, NULL }, /* Hf */
                    246:        { NULL, NULL }, /* Fr */
                    247:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  248:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  249:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  250:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  251:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  252:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    253:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    254:        { NULL, NULL }, /* Brc */
1.83      kristaps  255:        { NULL, termp____post }, /* %C */
1.81      kristaps  256:        { NULL, NULL }, /* Es */ /* TODO */
                    257:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  258:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  259:        { NULL, termp____post }, /* %Q */
1.76      kristaps  260:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  261:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  262:        { termp_under_pre, termp____post }, /* %U */
1.1       kristaps  263: };
                    264:
                    265:
1.70      kristaps  266: void
1.89      kristaps  267: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  268: {
1.70      kristaps  269:        const struct mdoc_node  *n;
                    270:        const struct mdoc_meta  *m;
1.89      kristaps  271:        struct termp            *p;
                    272:
                    273:        p = (struct termp *)arg;
1.111     kristaps  274:
                    275:        p->overstep = 0;
1.123     joerg     276:        p->maxrmargin = p->defrmargin;
1.89      kristaps  277:
                    278:        if (NULL == p->symtab)
                    279:                switch (p->enc) {
                    280:                case (TERMENC_ASCII):
                    281:                        p->symtab = chars_init(CHARS_ASCII);
                    282:                        break;
                    283:                default:
                    284:                        abort();
                    285:                        /* NOTREACHED */
                    286:                }
1.70      kristaps  287:
                    288:        n = mdoc_node(mdoc);
                    289:        m = mdoc_meta(mdoc);
                    290:
1.102     kristaps  291:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  292:        if (n->child)
1.102     kristaps  293:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  294:        print_foot(p, NULL, m, n);
1.1       kristaps  295: }
                    296:
                    297:
1.3       kristaps  298: static void
1.102     kristaps  299: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  300: {
                    301:
1.102     kristaps  302:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  303:        if (n->next)
1.102     kristaps  304:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  305: }
                    306:
                    307:
1.70      kristaps  308: /* ARGSUSED */
1.3       kristaps  309: static void
1.102     kristaps  310: print_mdoc_node(DECL_ARGS)
1.1       kristaps  311: {
1.102     kristaps  312:        int              chld;
                    313:        const void      *font;
1.1       kristaps  314:        struct termpair  npair;
1.30      kristaps  315:        size_t           offset, rmargin;
1.1       kristaps  316:
1.70      kristaps  317:        chld = 1;
1.29      kristaps  318:        offset = p->offset;
1.30      kristaps  319:        rmargin = p->rmargin;
1.102     kristaps  320:        font = term_fontq(p);
1.29      kristaps  321:
1.97      kristaps  322:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  323:        npair.ppair = pair;
1.46      kristaps  324:
1.86      kristaps  325:        if (MDOC_TEXT != n->type) {
                    326:                if (termacts[n->tok].pre)
                    327:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  328:        } else
1.86      kristaps  329:                term_word(p, n->string);
1.102     kristaps  330:
1.86      kristaps  331:        if (chld && n->child)
1.102     kristaps  332:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  333:
1.102     kristaps  334:        term_fontpopq(p, font);
1.46      kristaps  335:
1.86      kristaps  336:        if (MDOC_TEXT != n->type)
                    337:                if (termacts[n->tok].post)
                    338:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  339:
                    340:        if (MDOC_EOS & n->flags)
                    341:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  342:
                    343:        p->offset = offset;
1.30      kristaps  344:        p->rmargin = rmargin;
1.1       kristaps  345: }
                    346:
                    347:
1.70      kristaps  348: /* ARGSUSED */
1.3       kristaps  349: static void
1.70      kristaps  350: print_foot(DECL_ARGS)
1.1       kristaps  351: {
1.98      kristaps  352:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  353:
1.102     kristaps  354:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  355:
1.9       kristaps  356:        /*
                    357:         * Output the footer in new-groff style, that is, three columns
                    358:         * with the middle being the manual date and flanking columns
                    359:         * being the operating system:
                    360:         *
                    361:         * SYSTEM                  DATE                    SYSTEM
                    362:         */
                    363:
1.94      kristaps  364:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  365:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  366:
                    367:        term_vspace(p);
                    368:
1.9       kristaps  369:        p->offset = 0;
                    370:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  371:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    372:
                    373:        term_word(p, os);
                    374:        term_flushln(p);
                    375:
1.9       kristaps  376:        p->offset = p->rmargin;
                    377:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  378:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  379:
                    380:        term_word(p, buf);
                    381:        term_flushln(p);
                    382:
1.1       kristaps  383:        p->offset = p->rmargin;
                    384:        p->rmargin = p->maxrmargin;
                    385:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  386:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  387:
1.9       kristaps  388:        term_word(p, os);
1.1       kristaps  389:        term_flushln(p);
                    390:
1.9       kristaps  391:        p->offset = 0;
                    392:        p->rmargin = p->maxrmargin;
                    393:        p->flags = 0;
1.1       kristaps  394: }
                    395:
                    396:
1.70      kristaps  397: /* ARGSUSED */
1.3       kristaps  398: static void
1.102     kristaps  399: print_mdoc_head(DECL_ARGS)
1.1       kristaps  400: {
1.98      kristaps  401:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  402:
                    403:        p->rmargin = p->maxrmargin;
                    404:        p->offset = 0;
                    405:
                    406:        /*
                    407:         * The header is strange.  It has three components, which are
                    408:         * really two with the first duplicated.  It goes like this:
                    409:         *
                    410:         * IDENTIFIER              TITLE                   IDENTIFIER
                    411:         *
                    412:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    413:         * (if given, or "unknown" if not) followed by the manual page
                    414:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    415:         * string depending on the manual volume.  If not specified, it
                    416:         * switches on the manual section.
                    417:         */
                    418:
1.86      kristaps  419:        assert(m->vol);
1.98      kristaps  420:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  421:
1.86      kristaps  422:        if (m->arch) {
1.98      kristaps  423:                strlcat(buf, " (", BUFSIZ);
                    424:                strlcat(buf, m->arch, BUFSIZ);
                    425:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  426:        }
                    427:
1.124     kristaps  428:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  429:
                    430:        p->offset = 0;
1.8       kristaps  431:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  432:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    433:
                    434:        term_word(p, title);
                    435:        term_flushln(p);
                    436:
                    437:        p->offset = p->rmargin;
                    438:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  439:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  440:
                    441:        term_word(p, buf);
                    442:        term_flushln(p);
                    443:
                    444:        p->offset = p->rmargin;
                    445:        p->rmargin = p->maxrmargin;
                    446:        p->flags &= ~TERMP_NOBREAK;
                    447:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    448:
                    449:        term_word(p, title);
                    450:        term_flushln(p);
                    451:
1.9       kristaps  452:        p->offset = 0;
1.1       kristaps  453:        p->rmargin = p->maxrmargin;
                    454:        p->flags &= ~TERMP_NOSPACE;
                    455: }
                    456:
                    457:
                    458: static size_t
1.96      kristaps  459: a2height(const struct mdoc_node *n)
1.1       kristaps  460: {
1.92      kristaps  461:        struct roffsu    su;
1.91      kristaps  462:
                    463:        assert(MDOC_TEXT == n->type);
                    464:        assert(n->string);
1.92      kristaps  465:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    466:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  467:
1.92      kristaps  468:        return(term_vspan(&su));
1.91      kristaps  469: }
1.1       kristaps  470:
1.40      kristaps  471:
1.91      kristaps  472: static size_t
1.96      kristaps  473: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  474: {
1.92      kristaps  475:        struct roffsu    su;
1.1       kristaps  476:
1.91      kristaps  477:        assert(arg->value[pos]);
1.92      kristaps  478:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  479:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  480:
1.108     kristaps  481:        return(term_hspan(&su));
1.1       kristaps  482: }
                    483:
                    484:
                    485: static int
1.118     kristaps  486: arg_disptype(const struct mdoc_node *n)
                    487: {
                    488:        int              i, len;
                    489:
                    490:        assert(MDOC_BLOCK == n->type);
                    491:
                    492:        len = (int)(n->args ? n->args->argc : 0);
                    493:
                    494:        for (i = 0; i < len; i++)
                    495:                switch (n->args->argv[i].arg) {
                    496:                case (MDOC_Centred):
                    497:                        /* FALLTHROUGH */
                    498:                case (MDOC_Ragged):
                    499:                        /* FALLTHROUGH */
                    500:                case (MDOC_Filled):
                    501:                        /* FALLTHROUGH */
                    502:                case (MDOC_Unfilled):
                    503:                        /* FALLTHROUGH */
                    504:                case (MDOC_Literal):
                    505:                        return(n->args->argv[i].arg);
                    506:                default:
                    507:                        break;
                    508:                }
                    509:
                    510:        return(-1);
                    511: }
                    512:
                    513:
1.1       kristaps  514: static size_t
1.96      kristaps  515: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  516: {
1.92      kristaps  517:        struct roffsu    su;
1.1       kristaps  518:
1.91      kristaps  519:        if ('\0' == arg->value[0][0])
                    520:                return(0);
                    521:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  522:                return(0);
1.91      kristaps  523:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  524:                return(INDENT + 1);
1.91      kristaps  525:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  526:                return((INDENT + 1) * 2);
1.92      kristaps  527:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    528:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  529:
1.92      kristaps  530:        return(term_hspan(&su));
1.1       kristaps  531: }
                    532:
                    533:
1.108     kristaps  534: /*
                    535:  * Return 1 if an argument has a particular argument value or 0 if it
                    536:  * does not.  See arg_getattr().
                    537:  */
1.1       kristaps  538: static int
                    539: arg_hasattr(int arg, const struct mdoc_node *n)
                    540: {
                    541:
                    542:        return(-1 != arg_getattr(arg, n));
                    543: }
                    544:
                    545:
1.108     kristaps  546: /*
                    547:  * Get the index of an argument in a node's argument list or -1 if it
                    548:  * does not exist.  See arg_getattrs().
                    549:  */
1.1       kristaps  550: static int
                    551: arg_getattr(int v, const struct mdoc_node *n)
                    552: {
                    553:        int              val;
                    554:
                    555:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    556: }
                    557:
                    558:
1.108     kristaps  559: /*
                    560:  * Walk through the argument list for a node and fill an array "vals"
                    561:  * with the positions of the argument structures listed in "keys".
                    562:  * Return the number of elements that were written into "vals", which
                    563:  * can be zero.
                    564:  */
1.1       kristaps  565: static int
                    566: arg_getattrs(const int *keys, int *vals,
                    567:                size_t sz, const struct mdoc_node *n)
                    568: {
                    569:        int              i, j, k;
                    570:
                    571:        if (NULL == n->args)
                    572:                return(0);
                    573:
                    574:        for (k = i = 0; i < (int)n->args->argc; i++)
                    575:                for (j = 0; j < (int)sz; j++)
                    576:                        if (n->args->argv[i].arg == keys[j]) {
                    577:                                vals[j] = i;
                    578:                                k++;
                    579:                        }
                    580:        return(k);
                    581: }
                    582:
                    583:
1.108     kristaps  584: /*
                    585:  * Determine how much space to print out before block elements of `It'
                    586:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    587:  * too.
                    588:  */
1.54      kristaps  589: static void
1.91      kristaps  590: print_bvspace(struct termp *p,
1.1       kristaps  591:                const struct mdoc_node *bl,
1.86      kristaps  592:                const struct mdoc_node *n)
1.1       kristaps  593: {
1.86      kristaps  594:        const struct mdoc_node  *nn;
1.1       kristaps  595:
                    596:        term_newln(p);
1.85      kristaps  597:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  598:                return;
                    599:
1.85      kristaps  600:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  601:
1.86      kristaps  602:        for (nn = n; nn; nn = nn->parent) {
                    603:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  604:                        continue;
1.86      kristaps  605:                if (MDOC_Ss == nn->tok)
1.54      kristaps  606:                        return;
1.86      kristaps  607:                if (MDOC_Sh == nn->tok)
1.54      kristaps  608:                        return;
1.86      kristaps  609:                if (NULL == nn->prev)
1.1       kristaps  610:                        continue;
                    611:                break;
                    612:        }
                    613:
1.85      kristaps  614:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  615:
1.126   ! kristaps  616:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.list)
1.86      kristaps  617:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  618:                        return;
                    619:
1.85      kristaps  620:        /* A `-diag' without body does not vspace. */
                    621:
1.126   ! kristaps  622:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.list)
1.86      kristaps  623:                if (n->prev && MDOC_It == n->prev->tok) {
                    624:                        assert(n->prev->body);
                    625:                        if (NULL == n->prev->body->child)
1.55      kristaps  626:                                return;
                    627:                }
                    628:
1.54      kristaps  629:        term_vspace(p);
1.1       kristaps  630: }
                    631:
                    632:
                    633: /* ARGSUSED */
                    634: static int
                    635: termp_dq_pre(DECL_ARGS)
                    636: {
                    637:
1.86      kristaps  638:        if (MDOC_BODY != n->type)
1.1       kristaps  639:                return(1);
                    640:
                    641:        term_word(p, "\\(lq");
                    642:        p->flags |= TERMP_NOSPACE;
                    643:        return(1);
                    644: }
                    645:
                    646:
                    647: /* ARGSUSED */
                    648: static void
                    649: termp_dq_post(DECL_ARGS)
                    650: {
                    651:
1.86      kristaps  652:        if (MDOC_BODY != n->type)
1.1       kristaps  653:                return;
                    654:
                    655:        p->flags |= TERMP_NOSPACE;
                    656:        term_word(p, "\\(rq");
                    657: }
                    658:
                    659:
                    660: /* ARGSUSED */
                    661: static int
                    662: termp_it_pre(DECL_ARGS)
                    663: {
1.86      kristaps  664:        const struct mdoc_node *bl, *nn;
1.1       kristaps  665:        char                    buf[7];
1.126   ! kristaps  666:        int                     i, keys[3], vals[3];
1.108     kristaps  667:        size_t                  width, offset, ncols, dcol;
1.126   ! kristaps  668:        enum mdoc_list          type;
1.1       kristaps  669:
1.86      kristaps  670:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  671:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  672:                return(1);
                    673:        }
1.1       kristaps  674:
1.86      kristaps  675:        bl = n->parent->parent->parent;
1.1       kristaps  676:
1.108     kristaps  677:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  678:
                    679:        keys[0] = MDOC_Width;
                    680:        keys[1] = MDOC_Offset;
                    681:        keys[2] = MDOC_Column;
                    682:
                    683:        vals[0] = vals[1] = vals[2] = -1;
                    684:
1.108     kristaps  685:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  686:
1.126   ! kristaps  687:        type = bl->data.list;
1.1       kristaps  688:
1.108     kristaps  689:        /*
                    690:         * First calculate width and offset.  This is pretty easy unless
                    691:         * we're a -column list, in which case all prior columns must
                    692:         * be accounted for.
                    693:         */
                    694:
                    695:        width = offset = 0;
                    696:
1.105     kristaps  697:        if (vals[1] >= 0)
                    698:                offset = a2offs(&bl->args->argv[vals[1]]);
                    699:
1.1       kristaps  700:        switch (type) {
1.126   ! kristaps  701:        case (LIST_column):
1.86      kristaps  702:                if (MDOC_BODY == n->type)
1.1       kristaps  703:                        break;
1.105     kristaps  704:                /*
1.108     kristaps  705:                 * Imitate groff's column handling:
                    706:                 * - For each earlier column, add its width.
                    707:                 * - For less than 5 columns, add four more blanks per
                    708:                 *   column.
                    709:                 * - For exactly 5 columns, add three more blank per
                    710:                 *   column.
                    711:                 * - For more than 5 columns, add only one column.
1.105     kristaps  712:                 */
                    713:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  714:                /* LINTED */
                    715:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    716:
                    717:                for (i = 0, nn = n->prev;
                    718:                                nn && i < (int)ncols;
                    719:                                nn = nn->prev, i++)
                    720:                        offset += dcol + a2width
                    721:                                (&bl->args->argv[vals[2]], i);
                    722:
1.105     kristaps  723:
                    724:                /*
1.108     kristaps  725:                 * When exceeding the declared number of columns, leave
                    726:                 * the remaining widths at 0.  This will later be
                    727:                 * adjusted to the default width of 10, or, for the last
                    728:                 * column, stretched to the right margin.
1.58      kristaps  729:                 */
1.108     kristaps  730:                if (i >= (int)ncols)
                    731:                        break;
1.58      kristaps  732:
1.105     kristaps  733:                /*
1.108     kristaps  734:                 * Use the declared column widths, extended as explained
                    735:                 * in the preceding paragraph.
1.105     kristaps  736:                 */
1.108     kristaps  737:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  738:                break;
                    739:        default:
1.108     kristaps  740:                if (vals[0] < 0)
                    741:                        break;
                    742:
                    743:                /*
                    744:                 * Note: buffer the width by 2, which is groff's magic
                    745:                 * number for buffering single arguments.  See the above
                    746:                 * handling for column for how this changes.
                    747:                 */
                    748:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  749:                break;
                    750:        }
                    751:
                    752:        /*
                    753:         * List-type can override the width in the case of fixed-head
                    754:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  755:         * offset.
1.1       kristaps  756:         */
                    757:
                    758:        switch (type) {
1.126   ! kristaps  759:        case (LIST_bullet):
1.1       kristaps  760:                /* FALLTHROUGH */
1.126   ! kristaps  761:        case (LIST_dash):
1.1       kristaps  762:                /* FALLTHROUGH */
1.126   ! kristaps  763:        case (LIST_hyphen):
1.1       kristaps  764:                if (width < 4)
                    765:                        width = 4;
                    766:                break;
1.126   ! kristaps  767:        case (LIST_enum):
1.17      kristaps  768:                if (width < 5)
                    769:                        width = 5;
                    770:                break;
1.126   ! kristaps  771:        case (LIST_hang):
1.39      kristaps  772:                if (0 == width)
                    773:                        width = 8;
                    774:                break;
1.126   ! kristaps  775:        case (LIST_column):
1.49      kristaps  776:                /* FALLTHROUGH */
1.126   ! kristaps  777:        case (LIST_tag):
1.1       kristaps  778:                if (0 == width)
                    779:                        width = 10;
                    780:                break;
                    781:        default:
                    782:                break;
                    783:        }
                    784:
                    785:        /*
1.17      kristaps  786:         * Whitespace control.  Inset bodies need an initial space,
                    787:         * while diagonal bodies need two.
1.1       kristaps  788:         */
                    789:
1.51      kristaps  790:        p->flags |= TERMP_NOSPACE;
                    791:
1.1       kristaps  792:        switch (type) {
1.126   ! kristaps  793:        case (LIST_diag):
1.86      kristaps  794:                if (MDOC_BODY == n->type)
1.62      kristaps  795:                        term_word(p, "\\ \\ ");
1.51      kristaps  796:                break;
1.126   ! kristaps  797:        case (LIST_inset):
1.86      kristaps  798:                if (MDOC_BODY == n->type)
1.51      kristaps  799:                        term_word(p, "\\ ");
1.1       kristaps  800:                break;
                    801:        default:
                    802:                break;
                    803:        }
                    804:
1.51      kristaps  805:        p->flags |= TERMP_NOSPACE;
                    806:
1.1       kristaps  807:        switch (type) {
1.126   ! kristaps  808:        case (LIST_diag):
1.86      kristaps  809:                if (MDOC_HEAD == n->type)
1.102     kristaps  810:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  811:                break;
                    812:        default:
                    813:                break;
                    814:        }
                    815:
                    816:        /*
1.109     kristaps  817:         * Pad and break control.  This is the tricky part.  These flags
                    818:         * are documented in term_flushln() in term.c.  Note that we're
                    819:         * going to unset all of these flags in termp_it_post() when we
                    820:         * exit.
1.1       kristaps  821:         */
                    822:
                    823:        switch (type) {
1.126   ! kristaps  824:        case (LIST_bullet):
1.1       kristaps  825:                /* FALLTHROUGH */
1.126   ! kristaps  826:        case (LIST_dash):
1.1       kristaps  827:                /* FALLTHROUGH */
1.126   ! kristaps  828:        case (LIST_enum):
1.1       kristaps  829:                /* FALLTHROUGH */
1.126   ! kristaps  830:        case (LIST_hyphen):
1.86      kristaps  831:                if (MDOC_HEAD == n->type)
1.39      kristaps  832:                        p->flags |= TERMP_NOBREAK;
                    833:                else
                    834:                        p->flags |= TERMP_NOLPAD;
                    835:                break;
1.126   ! kristaps  836:        case (LIST_hang):
1.86      kristaps  837:                if (MDOC_HEAD == n->type)
1.39      kristaps  838:                        p->flags |= TERMP_NOBREAK;
                    839:                else
                    840:                        p->flags |= TERMP_NOLPAD;
                    841:
1.86      kristaps  842:                if (MDOC_HEAD != n->type)
1.59      kristaps  843:                        break;
                    844:
                    845:                /*
                    846:                 * This is ugly.  If `-hang' is specified and the body
                    847:                 * is a `Bl' or `Bd', then we want basically to nullify
                    848:                 * the "overstep" effect in term_flushln() and treat
                    849:                 * this as a `-ohang' list instead.
                    850:                 */
1.86      kristaps  851:                if (n->next->child &&
                    852:                                (MDOC_Bl == n->next->child->tok ||
                    853:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  854:                        p->flags &= ~TERMP_NOBREAK;
                    855:                        p->flags &= ~TERMP_NOLPAD;
                    856:                } else
1.39      kristaps  857:                        p->flags |= TERMP_HANG;
                    858:                break;
1.126   ! kristaps  859:        case (LIST_tag):
1.86      kristaps  860:                if (MDOC_HEAD == n->type)
1.51      kristaps  861:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  862:                else
                    863:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  864:
1.86      kristaps  865:                if (MDOC_HEAD != n->type)
1.39      kristaps  866:                        break;
1.86      kristaps  867:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  868:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  869:                break;
1.126   ! kristaps  870:        case (LIST_column):
1.86      kristaps  871:                if (MDOC_HEAD == n->type) {
                    872:                        assert(n->next);
                    873:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  874:                                p->flags &= ~TERMP_NOBREAK;
                    875:                        else
                    876:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  877:                        if (n->prev)
1.1       kristaps  878:                                p->flags |= TERMP_NOLPAD;
                    879:                }
                    880:                break;
1.126   ! kristaps  881:        case (LIST_diag):
1.86      kristaps  882:                if (MDOC_HEAD == n->type)
1.1       kristaps  883:                        p->flags |= TERMP_NOBREAK;
                    884:                break;
                    885:        default:
                    886:                break;
                    887:        }
                    888:
                    889:        /*
                    890:         * Margin control.  Set-head-width lists have their right
                    891:         * margins shortened.  The body for these lists has the offset
                    892:         * necessarily lengthened.  Everybody gets the offset.
                    893:         */
                    894:
                    895:        p->offset += offset;
                    896:
                    897:        switch (type) {
1.126   ! kristaps  898:        case (LIST_hang):
1.59      kristaps  899:                /*
                    900:                 * Same stipulation as above, regarding `-hang'.  We
                    901:                 * don't want to recalculate rmargin and offsets when
                    902:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    903:                 */
1.86      kristaps  904:                if (MDOC_HEAD == n->type && n->next->child &&
                    905:                                (MDOC_Bl == n->next->child->tok ||
                    906:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  907:                        break;
                    908:                /* FALLTHROUGH */
1.126   ! kristaps  909:        case (LIST_bullet):
1.1       kristaps  910:                /* FALLTHROUGH */
1.126   ! kristaps  911:        case (LIST_dash):
1.1       kristaps  912:                /* FALLTHROUGH */
1.126   ! kristaps  913:        case (LIST_enum):
1.1       kristaps  914:                /* FALLTHROUGH */
1.126   ! kristaps  915:        case (LIST_hyphen):
1.1       kristaps  916:                /* FALLTHROUGH */
1.126   ! kristaps  917:        case (LIST_tag):
1.49      kristaps  918:                assert(width);
1.86      kristaps  919:                if (MDOC_HEAD == n->type)
1.1       kristaps  920:                        p->rmargin = p->offset + width;
                    921:                else
                    922:                        p->offset += width;
                    923:                break;
1.126   ! kristaps  924:        case (LIST_column):
1.49      kristaps  925:                assert(width);
1.1       kristaps  926:                p->rmargin = p->offset + width;
1.50      kristaps  927:                /*
                    928:                 * XXX - this behaviour is not documented: the
                    929:                 * right-most column is filled to the right margin.
                    930:                 */
1.86      kristaps  931:                if (MDOC_HEAD == n->type &&
1.105     kristaps  932:                                MDOC_BODY == n->next->type &&
                    933:                                p->rmargin < p->maxrmargin)
1.50      kristaps  934:                        p->rmargin = p->maxrmargin;
1.1       kristaps  935:                break;
                    936:        default:
                    937:                break;
                    938:        }
                    939:
                    940:        /*
                    941:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  942:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  943:         */
                    944:
1.86      kristaps  945:        if (MDOC_HEAD == n->type)
1.1       kristaps  946:                switch (type) {
1.126   ! kristaps  947:                case (LIST_bullet):
1.102     kristaps  948:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  949:                        term_word(p, "\\[bu]");
1.102     kristaps  950:                        term_fontpop(p);
1.1       kristaps  951:                        break;
1.126   ! kristaps  952:                case (LIST_dash):
1.1       kristaps  953:                        /* FALLTHROUGH */
1.126   ! kristaps  954:                case (LIST_hyphen):
1.102     kristaps  955:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  956:                        term_word(p, "\\(hy");
1.102     kristaps  957:                        term_fontpop(p);
1.1       kristaps  958:                        break;
1.126   ! kristaps  959:                case (LIST_enum):
1.1       kristaps  960:                        (pair->ppair->ppair->count)++;
1.109     kristaps  961:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  962:                                        pair->ppair->ppair->count);
                    963:                        term_word(p, buf);
                    964:                        break;
                    965:                default:
                    966:                        break;
                    967:                }
                    968:
                    969:        /*
                    970:         * If we're not going to process our children, indicate so here.
                    971:         */
                    972:
                    973:        switch (type) {
1.126   ! kristaps  974:        case (LIST_bullet):
1.1       kristaps  975:                /* FALLTHROUGH */
1.126   ! kristaps  976:        case (LIST_item):
1.1       kristaps  977:                /* FALLTHROUGH */
1.126   ! kristaps  978:        case (LIST_dash):
1.1       kristaps  979:                /* FALLTHROUGH */
1.126   ! kristaps  980:        case (LIST_hyphen):
1.1       kristaps  981:                /* FALLTHROUGH */
1.126   ! kristaps  982:        case (LIST_enum):
1.86      kristaps  983:                if (MDOC_HEAD == n->type)
1.1       kristaps  984:                        return(0);
                    985:                break;
1.126   ! kristaps  986:        case (LIST_column):
1.86      kristaps  987:                if (MDOC_BODY == n->type)
1.1       kristaps  988:                        return(0);
                    989:                break;
                    990:        default:
                    991:                break;
                    992:        }
                    993:
                    994:        return(1);
                    995: }
                    996:
                    997:
                    998: /* ARGSUSED */
                    999: static void
                   1000: termp_it_post(DECL_ARGS)
                   1001: {
1.126   ! kristaps 1002:        enum mdoc_list     type;
1.1       kristaps 1003:
1.109     kristaps 1004:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1005:                return;
                   1006:
1.126   ! kristaps 1007:        type = n->parent->parent->parent->data.list;
1.1       kristaps 1008:
                   1009:        switch (type) {
1.126   ! kristaps 1010:        case (LIST_item):
1.1       kristaps 1011:                /* FALLTHROUGH */
1.126   ! kristaps 1012:        case (LIST_diag):
1.53      kristaps 1013:                /* FALLTHROUGH */
1.126   ! kristaps 1014:        case (LIST_inset):
1.86      kristaps 1015:                if (MDOC_BODY == n->type)
1.1       kristaps 1016:                        term_flushln(p);
                   1017:                break;
1.126   ! kristaps 1018:        case (LIST_column):
1.86      kristaps 1019:                if (MDOC_HEAD == n->type)
1.1       kristaps 1020:                        term_flushln(p);
                   1021:                break;
                   1022:        default:
                   1023:                term_flushln(p);
                   1024:                break;
                   1025:        }
                   1026:
1.109     kristaps 1027:        /*
                   1028:         * Now that our output is flushed, we can reset our tags.  Since
                   1029:         * only `It' sets these flags, we're free to assume that nobody
                   1030:         * has munged them in the meanwhile.
                   1031:         */
                   1032:
                   1033:        p->flags &= ~TERMP_DANGLE;
                   1034:        p->flags &= ~TERMP_NOBREAK;
                   1035:        p->flags &= ~TERMP_TWOSPACE;
                   1036:        p->flags &= ~TERMP_NOLPAD;
                   1037:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1038: }
                   1039:
                   1040:
                   1041: /* ARGSUSED */
                   1042: static int
                   1043: termp_nm_pre(DECL_ARGS)
                   1044: {
                   1045:
1.125     kristaps 1046:        if (NULL == n->child && NULL == m->name)
                   1047:
1.122     kristaps 1048:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1049:                term_newln(p);
1.102     kristaps 1050:
                   1051:        term_fontpush(p, TERMFONT_BOLD);
                   1052:
1.86      kristaps 1053:        if (NULL == n->child)
                   1054:                term_word(p, m->name);
1.125     kristaps 1055:
1.1       kristaps 1056:        return(1);
                   1057: }
                   1058:
                   1059:
                   1060: /* ARGSUSED */
                   1061: static int
                   1062: termp_fl_pre(DECL_ARGS)
                   1063: {
                   1064:
1.102     kristaps 1065:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1066:        term_word(p, "\\-");
1.103     kristaps 1067:
                   1068:        if (n->child)
1.114     kristaps 1069:                p->flags |= TERMP_NOSPACE;
                   1070:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1071:                p->flags |= TERMP_NOSPACE;
                   1072:
1.1       kristaps 1073:        return(1);
                   1074: }
                   1075:
                   1076:
                   1077: /* ARGSUSED */
                   1078: static int
1.61      kristaps 1079: termp_an_pre(DECL_ARGS)
                   1080: {
                   1081:
1.86      kristaps 1082:        if (NULL == n->child)
1.61      kristaps 1083:                return(1);
                   1084:
                   1085:        /*
1.85      kristaps 1086:         * If not in the AUTHORS section, `An -split' will cause
                   1087:         * newlines to occur before the author name.  If in the AUTHORS
                   1088:         * section, by default, the first `An' invocation is nosplit,
                   1089:         * then all subsequent ones, regardless of whether interspersed
                   1090:         * with other macros/text, are split.  -split, in this case,
                   1091:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1092:         */
                   1093:
1.86      kristaps 1094:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1095:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1096:                        if (TERMP_SPLIT & p->flags)
                   1097:                                term_newln(p);
                   1098:                        return(1);
                   1099:                }
                   1100:                if (TERMP_NOSPLIT & p->flags)
                   1101:                        return(1);
                   1102:                term_newln(p);
                   1103:                return(1);
                   1104:        }
                   1105:
                   1106:        if (TERMP_SPLIT & p->flags)
                   1107:                term_newln(p);
                   1108:
                   1109:        return(1);
                   1110: }
                   1111:
                   1112:
                   1113: /* ARGSUSED */
                   1114: static void
                   1115: termp_an_post(DECL_ARGS)
                   1116: {
                   1117:
1.86      kristaps 1118:        if (n->child) {
                   1119:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1120:                        p->flags |= TERMP_ANPREC;
                   1121:                return;
                   1122:        }
                   1123:
1.118     kristaps 1124:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1125:                p->flags &= ~TERMP_NOSPLIT;
                   1126:                p->flags |= TERMP_SPLIT;
                   1127:        } else {
                   1128:                p->flags &= ~TERMP_SPLIT;
                   1129:                p->flags |= TERMP_NOSPLIT;
                   1130:        }
                   1131:
                   1132: }
                   1133:
                   1134:
                   1135: /* ARGSUSED */
                   1136: static int
1.1       kristaps 1137: termp_ns_pre(DECL_ARGS)
                   1138: {
                   1139:
                   1140:        p->flags |= TERMP_NOSPACE;
                   1141:        return(1);
                   1142: }
                   1143:
                   1144:
                   1145: /* ARGSUSED */
                   1146: static int
                   1147: termp_rs_pre(DECL_ARGS)
                   1148: {
                   1149:
1.86      kristaps 1150:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1151:                return(1);
1.86      kristaps 1152:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1153:                term_vspace(p);
                   1154:        return(1);
                   1155: }
                   1156:
                   1157:
                   1158: /* ARGSUSED */
                   1159: static int
                   1160: termp_rv_pre(DECL_ARGS)
                   1161: {
1.68      kristaps 1162:        const struct mdoc_node  *nn;
1.1       kristaps 1163:
                   1164:        term_newln(p);
                   1165:        term_word(p, "The");
                   1166:
1.86      kristaps 1167:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1168:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1169:                term_word(p, nn->string);
1.102     kristaps 1170:                term_fontpop(p);
1.68      kristaps 1171:                p->flags |= TERMP_NOSPACE;
                   1172:                if (nn->next && NULL == nn->next->next)
                   1173:                        term_word(p, "(), and");
                   1174:                else if (nn->next)
                   1175:                        term_word(p, "(),");
                   1176:                else
                   1177:                        term_word(p, "()");
                   1178:        }
                   1179:
1.125     kristaps 1180:        if (n->child && n->child->next)
1.68      kristaps 1181:                term_word(p, "functions return");
                   1182:        else
                   1183:                term_word(p, "function returns");
1.1       kristaps 1184:
1.68      kristaps 1185:                term_word(p, "the value 0 if successful; otherwise the value "
                   1186:                        "-1 is returned and the global variable");
1.1       kristaps 1187:
1.102     kristaps 1188:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1189:        term_word(p, "errno");
1.102     kristaps 1190:        term_fontpop(p);
1.1       kristaps 1191:
                   1192:                term_word(p, "is set to indicate the error.");
                   1193:
1.68      kristaps 1194:        return(0);
1.1       kristaps 1195: }
                   1196:
                   1197:
                   1198: /* ARGSUSED */
                   1199: static int
                   1200: termp_ex_pre(DECL_ARGS)
                   1201: {
1.68      kristaps 1202:        const struct mdoc_node  *nn;
1.1       kristaps 1203:
1.68      kristaps 1204:        term_word(p, "The");
1.1       kristaps 1205:
1.86      kristaps 1206:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1207:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1208:                term_word(p, nn->string);
1.102     kristaps 1209:                term_fontpop(p);
1.68      kristaps 1210:                p->flags |= TERMP_NOSPACE;
                   1211:                if (nn->next && NULL == nn->next->next)
                   1212:                        term_word(p, ", and");
                   1213:                else if (nn->next)
                   1214:                        term_word(p, ",");
                   1215:                else
                   1216:                        p->flags &= ~TERMP_NOSPACE;
                   1217:        }
                   1218:
1.125     kristaps 1219:        if (n->child && n->child->next)
1.68      kristaps 1220:                term_word(p, "utilities exit");
                   1221:        else
                   1222:                term_word(p, "utility exits");
                   1223:
                   1224:                term_word(p, "0 on success, and >0 if an error occurs.");
1.1       kristaps 1225:
1.68      kristaps 1226:        return(0);
1.1       kristaps 1227: }
                   1228:
                   1229:
                   1230: /* ARGSUSED */
                   1231: static int
                   1232: termp_nd_pre(DECL_ARGS)
                   1233: {
1.25      kristaps 1234:
1.86      kristaps 1235:        if (MDOC_BODY != n->type)
1.25      kristaps 1236:                return(1);
1.30      kristaps 1237:
1.27      kristaps 1238: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1239:        term_word(p, "\\(en");
1.23      kristaps 1240: #else
                   1241:        term_word(p, "\\(em");
                   1242: #endif
1.1       kristaps 1243:        return(1);
1.115     kristaps 1244: }
                   1245:
                   1246:
                   1247: /* ARGSUSED */
                   1248: static int
                   1249: termp_bl_pre(DECL_ARGS)
                   1250: {
                   1251:
                   1252:        return(MDOC_HEAD != n->type);
1.1       kristaps 1253: }
                   1254:
                   1255:
                   1256: /* ARGSUSED */
                   1257: static void
                   1258: termp_bl_post(DECL_ARGS)
                   1259: {
                   1260:
1.86      kristaps 1261:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1262:                term_newln(p);
                   1263: }
                   1264:
                   1265:
                   1266: /* ARGSUSED */
                   1267: static void
                   1268: termp_op_post(DECL_ARGS)
                   1269: {
                   1270:
1.86      kristaps 1271:        if (MDOC_BODY != n->type)
1.1       kristaps 1272:                return;
                   1273:        p->flags |= TERMP_NOSPACE;
                   1274:        term_word(p, "\\(rB");
                   1275: }
                   1276:
                   1277:
                   1278: /* ARGSUSED */
                   1279: static int
                   1280: termp_xr_pre(DECL_ARGS)
                   1281: {
1.86      kristaps 1282:        const struct mdoc_node *nn;
1.1       kristaps 1283:
1.113     kristaps 1284:        if (NULL == n->child)
                   1285:                return(0);
                   1286:
                   1287:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1288:        nn = n->child;
1.11      kristaps 1289:
1.86      kristaps 1290:        term_word(p, nn->string);
                   1291:        if (NULL == (nn = nn->next))
1.1       kristaps 1292:                return(0);
                   1293:        p->flags |= TERMP_NOSPACE;
                   1294:        term_word(p, "(");
                   1295:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1296:        term_word(p, nn->string);
1.1       kristaps 1297:        p->flags |= TERMP_NOSPACE;
                   1298:        term_word(p, ")");
1.86      kristaps 1299:
1.1       kristaps 1300:        return(0);
                   1301: }
                   1302:
                   1303:
1.110     kristaps 1304: static int
                   1305: termp_vt_pre(DECL_ARGS)
                   1306: {
                   1307:
                   1308:        if (MDOC_ELEM == n->type)
                   1309:                return(termp_under_pre(p, pair, m, n));
                   1310:        else if (MDOC_HEAD == n->type)
                   1311:                return(0);
                   1312:        else if (MDOC_BLOCK == n->type)
                   1313:                return(1);
                   1314:
                   1315:        return(termp_under_pre(p, pair, m, n));
                   1316: }
                   1317:
                   1318:
1.1       kristaps 1319: /* ARGSUSED */
                   1320: static void
                   1321: termp_vt_post(DECL_ARGS)
                   1322: {
                   1323:
1.110     kristaps 1324:        if (MDOC_BLOCK != n->type)
1.32      kristaps 1325:                return;
1.86      kristaps 1326:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1327:                term_newln(p);
1.86      kristaps 1328:        else if (n->next)
1.1       kristaps 1329:                term_vspace(p);
                   1330: }
                   1331:
                   1332:
                   1333: /* ARGSUSED */
                   1334: static int
1.69      kristaps 1335: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1336: {
                   1337:
1.102     kristaps 1338:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1339:        return(1);
                   1340: }
                   1341:
                   1342:
                   1343: /* ARGSUSED */
                   1344: static void
                   1345: termp_fd_post(DECL_ARGS)
                   1346: {
                   1347:
1.122     kristaps 1348:        if (n->sec != SEC_SYNOPSIS || ! (MDOC_LINE & n->flags))
1.1       kristaps 1349:                return;
1.29      kristaps 1350:
1.1       kristaps 1351:        term_newln(p);
1.86      kristaps 1352:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1353:                term_vspace(p);
                   1354: }
                   1355:
                   1356:
                   1357: /* ARGSUSED */
                   1358: static int
                   1359: termp_sh_pre(DECL_ARGS)
                   1360: {
1.85      kristaps 1361:
                   1362:        /* No vspace between consecutive `Sh' calls. */
                   1363:
1.86      kristaps 1364:        switch (n->type) {
1.65      kristaps 1365:        case (MDOC_BLOCK):
1.86      kristaps 1366:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1367:                        if (NULL == n->prev->body->child)
1.65      kristaps 1368:                                break;
                   1369:                term_vspace(p);
                   1370:                break;
1.1       kristaps 1371:        case (MDOC_HEAD):
1.102     kristaps 1372:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1373:                break;
                   1374:        case (MDOC_BODY):
                   1375:                p->offset = INDENT;
                   1376:                break;
                   1377:        default:
                   1378:                break;
                   1379:        }
                   1380:        return(1);
                   1381: }
                   1382:
                   1383:
                   1384: /* ARGSUSED */
                   1385: static void
                   1386: termp_sh_post(DECL_ARGS)
                   1387: {
                   1388:
1.86      kristaps 1389:        switch (n->type) {
1.1       kristaps 1390:        case (MDOC_HEAD):
                   1391:                term_newln(p);
                   1392:                break;
                   1393:        case (MDOC_BODY):
                   1394:                term_newln(p);
                   1395:                p->offset = 0;
                   1396:                break;
                   1397:        default:
                   1398:                break;
                   1399:        }
                   1400: }
                   1401:
                   1402:
                   1403: /* ARGSUSED */
                   1404: static int
                   1405: termp_op_pre(DECL_ARGS)
                   1406: {
                   1407:
1.86      kristaps 1408:        switch (n->type) {
1.1       kristaps 1409:        case (MDOC_BODY):
                   1410:                term_word(p, "\\(lB");
                   1411:                p->flags |= TERMP_NOSPACE;
                   1412:                break;
                   1413:        default:
                   1414:                break;
                   1415:        }
                   1416:        return(1);
                   1417: }
                   1418:
                   1419:
                   1420: /* ARGSUSED */
                   1421: static int
                   1422: termp_bt_pre(DECL_ARGS)
                   1423: {
                   1424:
                   1425:        term_word(p, "is currently in beta test.");
1.81      kristaps 1426:        return(0);
1.1       kristaps 1427: }
                   1428:
                   1429:
                   1430: /* ARGSUSED */
                   1431: static void
                   1432: termp_lb_post(DECL_ARGS)
                   1433: {
                   1434:
1.122     kristaps 1435:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1436:                term_newln(p);
1.1       kristaps 1437: }
                   1438:
                   1439:
                   1440: /* ARGSUSED */
                   1441: static int
                   1442: termp_ud_pre(DECL_ARGS)
                   1443: {
                   1444:
                   1445:        term_word(p, "currently under development.");
1.86      kristaps 1446:        return(0);
1.1       kristaps 1447: }
                   1448:
                   1449:
                   1450: /* ARGSUSED */
                   1451: static int
                   1452: termp_d1_pre(DECL_ARGS)
                   1453: {
                   1454:
1.86      kristaps 1455:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1456:                return(1);
                   1457:        term_newln(p);
1.29      kristaps 1458:        p->offset += (INDENT + 1);
1.1       kristaps 1459:        return(1);
                   1460: }
                   1461:
                   1462:
                   1463: /* ARGSUSED */
                   1464: static void
                   1465: termp_d1_post(DECL_ARGS)
                   1466: {
                   1467:
1.86      kristaps 1468:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1469:                return;
                   1470:        term_newln(p);
                   1471: }
                   1472:
                   1473:
                   1474: /* ARGSUSED */
                   1475: static int
                   1476: termp_aq_pre(DECL_ARGS)
                   1477: {
                   1478:
1.86      kristaps 1479:        if (MDOC_BODY != n->type)
1.1       kristaps 1480:                return(1);
                   1481:        term_word(p, "\\(la");
                   1482:        p->flags |= TERMP_NOSPACE;
                   1483:        return(1);
                   1484: }
                   1485:
                   1486:
                   1487: /* ARGSUSED */
                   1488: static void
                   1489: termp_aq_post(DECL_ARGS)
                   1490: {
                   1491:
1.86      kristaps 1492:        if (MDOC_BODY != n->type)
1.1       kristaps 1493:                return;
                   1494:        p->flags |= TERMP_NOSPACE;
                   1495:        term_word(p, "\\(ra");
                   1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_ft_pre(DECL_ARGS)
                   1502: {
                   1503:
1.122     kristaps 1504:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.86      kristaps 1505:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1506:                        term_vspace(p);
1.102     kristaps 1507:
                   1508:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1509:        return(1);
                   1510: }
                   1511:
                   1512:
                   1513: /* ARGSUSED */
                   1514: static void
                   1515: termp_ft_post(DECL_ARGS)
                   1516: {
                   1517:
1.122     kristaps 1518:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1519:                term_newln(p);
                   1520: }
                   1521:
                   1522:
                   1523: /* ARGSUSED */
                   1524: static int
                   1525: termp_fn_pre(DECL_ARGS)
                   1526: {
1.86      kristaps 1527:        const struct mdoc_node  *nn;
1.1       kristaps 1528:
1.102     kristaps 1529:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1530:        term_word(p, n->child->string);
1.102     kristaps 1531:        term_fontpop(p);
1.1       kristaps 1532:
                   1533:        p->flags |= TERMP_NOSPACE;
                   1534:        term_word(p, "(");
                   1535:
1.86      kristaps 1536:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1537:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1538:                term_word(p, nn->string);
1.102     kristaps 1539:                term_fontpop(p);
                   1540:
1.86      kristaps 1541:                if (nn->next)
1.1       kristaps 1542:                        term_word(p, ",");
                   1543:        }
                   1544:
                   1545:        term_word(p, ")");
                   1546:
1.86      kristaps 1547:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1548:                term_word(p, ";");
                   1549:
                   1550:        return(0);
                   1551: }
                   1552:
                   1553:
                   1554: /* ARGSUSED */
                   1555: static void
                   1556: termp_fn_post(DECL_ARGS)
                   1557: {
                   1558:
1.122     kristaps 1559:        if (n->sec == SEC_SYNOPSIS && n->next && MDOC_LINE & n->flags)
1.1       kristaps 1560:                term_vspace(p);
                   1561: }
                   1562:
                   1563:
                   1564: /* ARGSUSED */
                   1565: static int
                   1566: termp_fa_pre(DECL_ARGS)
                   1567: {
1.86      kristaps 1568:        const struct mdoc_node  *nn;
1.1       kristaps 1569:
1.86      kristaps 1570:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1571:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1572:                return(1);
                   1573:        }
                   1574:
1.86      kristaps 1575:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1576:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1577:                term_word(p, nn->string);
1.102     kristaps 1578:                term_fontpop(p);
                   1579:
1.86      kristaps 1580:                if (nn->next)
1.1       kristaps 1581:                        term_word(p, ",");
                   1582:        }
                   1583:
1.86      kristaps 1584:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1585:                term_word(p, ",");
                   1586:
                   1587:        return(0);
                   1588: }
                   1589:
                   1590:
                   1591: /* ARGSUSED */
                   1592: static int
                   1593: termp_bd_pre(DECL_ARGS)
                   1594: {
1.85      kristaps 1595:        int                      i, type;
1.119     kristaps 1596:        size_t                   rm, rmax;
1.85      kristaps 1597:        const struct mdoc_node  *nn;
1.1       kristaps 1598:
1.86      kristaps 1599:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1600:                print_bvspace(p, n, n);
1.54      kristaps 1601:                return(1);
1.116     kristaps 1602:        } else if (MDOC_HEAD == n->type)
                   1603:                return(0);
1.1       kristaps 1604:
1.86      kristaps 1605:        nn = n->parent;
1.11      kristaps 1606:
1.118     kristaps 1607:        type = arg_disptype(nn);
                   1608:        assert(-1 != type);
                   1609:
                   1610:        if (-1 != (i = arg_getattr(MDOC_Offset, nn)))
                   1611:                p->offset += a2offs(&nn->args->argv[i]);
1.85      kristaps 1612:
                   1613:        /*
                   1614:         * If -ragged or -filled are specified, the block does nothing
                   1615:         * but change the indentation.  If -unfilled or -literal are
                   1616:         * specified, text is printed exactly as entered in the display:
                   1617:         * for macro lines, a newline is appended to the line.  Blank
                   1618:         * lines are allowed.
                   1619:         */
1.60      kristaps 1620:
1.85      kristaps 1621:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1622:                return(1);
                   1623:
1.119     kristaps 1624:        rm = p->rmargin;
                   1625:        rmax = p->maxrmargin;
1.120     kristaps 1626:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1627:
1.86      kristaps 1628:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1629:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1630:                print_mdoc_node(p, pair, m, nn);
1.85      kristaps 1631:                if (NULL == nn->next)
                   1632:                        continue;
                   1633:                if (nn->prev && nn->prev->line < nn->line)
1.1       kristaps 1634:                        term_flushln(p);
1.87      kristaps 1635:                else if (NULL == nn->prev)
                   1636:                        term_flushln(p);
1.1       kristaps 1637:        }
                   1638:
1.119     kristaps 1639:        p->rmargin = rm;
                   1640:        p->maxrmargin = rmax;
1.1       kristaps 1641:        return(0);
                   1642: }
                   1643:
                   1644:
                   1645: /* ARGSUSED */
                   1646: static void
                   1647: termp_bd_post(DECL_ARGS)
                   1648: {
1.118     kristaps 1649:        int              type;
1.119     kristaps 1650:        size_t           rm, rmax;
1.1       kristaps 1651:
1.86      kristaps 1652:        if (MDOC_BODY != n->type)
1.1       kristaps 1653:                return;
1.118     kristaps 1654:
                   1655:        type = arg_disptype(n->parent);
                   1656:        assert(-1 != type);
                   1657:
1.119     kristaps 1658:        rm = p->rmargin;
                   1659:        rmax = p->maxrmargin;
1.118     kristaps 1660:
                   1661:        if (MDOC_Literal == type || MDOC_Unfilled == type)
1.120     kristaps 1662:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1663:
1.60      kristaps 1664:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1665:        term_flushln(p);
1.118     kristaps 1666:
1.119     kristaps 1667:        p->rmargin = rm;
                   1668:        p->maxrmargin = rmax;
1.1       kristaps 1669: }
                   1670:
                   1671:
                   1672: /* ARGSUSED */
                   1673: static int
                   1674: termp_qq_pre(DECL_ARGS)
                   1675: {
                   1676:
1.86      kristaps 1677:        if (MDOC_BODY != n->type)
1.1       kristaps 1678:                return(1);
                   1679:        term_word(p, "\"");
                   1680:        p->flags |= TERMP_NOSPACE;
                   1681:        return(1);
                   1682: }
                   1683:
                   1684:
                   1685: /* ARGSUSED */
                   1686: static void
                   1687: termp_qq_post(DECL_ARGS)
                   1688: {
                   1689:
1.86      kristaps 1690:        if (MDOC_BODY != n->type)
1.1       kristaps 1691:                return;
                   1692:        p->flags |= TERMP_NOSPACE;
                   1693:        term_word(p, "\"");
                   1694: }
                   1695:
                   1696:
                   1697: /* ARGSUSED */
                   1698: static void
                   1699: termp_bx_post(DECL_ARGS)
                   1700: {
                   1701:
1.86      kristaps 1702:        if (n->child)
1.1       kristaps 1703:                p->flags |= TERMP_NOSPACE;
                   1704:        term_word(p, "BSD");
                   1705: }
                   1706:
                   1707:
                   1708: /* ARGSUSED */
                   1709: static int
1.26      kristaps 1710: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1711: {
1.26      kristaps 1712:        const char      *pp;
1.1       kristaps 1713:
1.26      kristaps 1714:        pp = NULL;
1.86      kristaps 1715:        switch (n->tok) {
1.26      kristaps 1716:        case (MDOC_Bsx):
                   1717:                pp = "BSDI BSD/OS";
                   1718:                break;
                   1719:        case (MDOC_Dx):
1.100     kristaps 1720:                pp = "DragonFly";
1.26      kristaps 1721:                break;
                   1722:        case (MDOC_Fx):
                   1723:                pp = "FreeBSD";
                   1724:                break;
                   1725:        case (MDOC_Nx):
                   1726:                pp = "NetBSD";
                   1727:                break;
                   1728:        case (MDOC_Ox):
                   1729:                pp = "OpenBSD";
                   1730:                break;
                   1731:        case (MDOC_Ux):
                   1732:                pp = "UNIX";
                   1733:                break;
                   1734:        default:
                   1735:                break;
                   1736:        }
1.1       kristaps 1737:
1.26      kristaps 1738:        assert(pp);
                   1739:        term_word(p, pp);
1.1       kristaps 1740:        return(1);
                   1741: }
                   1742:
                   1743:
                   1744: /* ARGSUSED */
                   1745: static int
                   1746: termp_sq_pre(DECL_ARGS)
                   1747: {
                   1748:
1.86      kristaps 1749:        if (MDOC_BODY != n->type)
1.1       kristaps 1750:                return(1);
                   1751:        term_word(p, "\\(oq");
                   1752:        p->flags |= TERMP_NOSPACE;
                   1753:        return(1);
                   1754: }
                   1755:
                   1756:
                   1757: /* ARGSUSED */
                   1758: static void
                   1759: termp_sq_post(DECL_ARGS)
                   1760: {
                   1761:
1.86      kristaps 1762:        if (MDOC_BODY != n->type)
1.1       kristaps 1763:                return;
                   1764:        p->flags |= TERMP_NOSPACE;
                   1765:        term_word(p, "\\(aq");
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static int
                   1771: termp_pf_pre(DECL_ARGS)
                   1772: {
                   1773:
                   1774:        p->flags |= TERMP_IGNDELIM;
                   1775:        return(1);
                   1776: }
                   1777:
                   1778:
                   1779: /* ARGSUSED */
                   1780: static void
                   1781: termp_pf_post(DECL_ARGS)
                   1782: {
                   1783:
                   1784:        p->flags &= ~TERMP_IGNDELIM;
                   1785:        p->flags |= TERMP_NOSPACE;
                   1786: }
                   1787:
                   1788:
                   1789: /* ARGSUSED */
                   1790: static int
                   1791: termp_ss_pre(DECL_ARGS)
                   1792: {
                   1793:
1.86      kristaps 1794:        switch (n->type) {
1.1       kristaps 1795:        case (MDOC_BLOCK):
                   1796:                term_newln(p);
1.86      kristaps 1797:                if (n->prev)
1.1       kristaps 1798:                        term_vspace(p);
                   1799:                break;
                   1800:        case (MDOC_HEAD):
1.102     kristaps 1801:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1802:                p->offset = HALFINDENT;
1.1       kristaps 1803:                break;
                   1804:        default:
                   1805:                break;
                   1806:        }
                   1807:
                   1808:        return(1);
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static void
                   1814: termp_ss_post(DECL_ARGS)
                   1815: {
                   1816:
1.86      kristaps 1817:        if (MDOC_HEAD == n->type)
1.1       kristaps 1818:                term_newln(p);
                   1819: }
                   1820:
                   1821:
                   1822: /* ARGSUSED */
                   1823: static int
                   1824: termp_cd_pre(DECL_ARGS)
                   1825: {
                   1826:
1.102     kristaps 1827:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1828:        term_newln(p);
                   1829:        return(1);
                   1830: }
                   1831:
                   1832:
                   1833: /* ARGSUSED */
                   1834: static int
                   1835: termp_in_pre(DECL_ARGS)
                   1836: {
                   1837:
1.102     kristaps 1838:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1839:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1840:                term_word(p, "#include");
                   1841:
1.1       kristaps 1842:        term_word(p, "<");
                   1843:        p->flags |= TERMP_NOSPACE;
                   1844:        return(1);
                   1845: }
                   1846:
                   1847:
                   1848: /* ARGSUSED */
                   1849: static void
                   1850: termp_in_post(DECL_ARGS)
                   1851: {
                   1852:
1.102     kristaps 1853:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1854:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1855:        term_word(p, ">");
1.102     kristaps 1856:        term_fontpop(p);
1.1       kristaps 1857:
1.122     kristaps 1858:        if (SEC_SYNOPSIS != n->sec && ! (MDOC_LINE & n->flags))
1.1       kristaps 1859:                return;
1.22      kristaps 1860:
                   1861:        term_newln(p);
                   1862:        /*
                   1863:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1864:         * the SYNOPSIS section, then it produces a single break after
                   1865:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1866:         * construction is rarely used, I think it's fine.
                   1867:         */
1.86      kristaps 1868:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1869:                term_vspace(p);
                   1870: }
                   1871:
                   1872:
                   1873: /* ARGSUSED */
                   1874: static int
1.45      kristaps 1875: termp_sp_pre(DECL_ARGS)
                   1876: {
1.91      kristaps 1877:        size_t           i, len;
1.45      kristaps 1878:
1.86      kristaps 1879:        switch (n->tok) {
1.76      kristaps 1880:        case (MDOC_sp):
1.96      kristaps 1881:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1882:                break;
                   1883:        case (MDOC_br):
                   1884:                len = 0;
                   1885:                break;
                   1886:        default:
                   1887:                len = 1;
                   1888:                break;
1.45      kristaps 1889:        }
                   1890:
                   1891:        if (0 == len)
                   1892:                term_newln(p);
                   1893:        for (i = 0; i < len; i++)
                   1894:                term_vspace(p);
                   1895:
                   1896:        return(0);
                   1897: }
                   1898:
                   1899:
                   1900: /* ARGSUSED */
                   1901: static int
1.1       kristaps 1902: termp_brq_pre(DECL_ARGS)
                   1903: {
                   1904:
1.86      kristaps 1905:        if (MDOC_BODY != n->type)
1.1       kristaps 1906:                return(1);
                   1907:        term_word(p, "\\(lC");
                   1908:        p->flags |= TERMP_NOSPACE;
                   1909:        return(1);
                   1910: }
                   1911:
                   1912:
                   1913: /* ARGSUSED */
                   1914: static void
                   1915: termp_brq_post(DECL_ARGS)
                   1916: {
                   1917:
1.86      kristaps 1918:        if (MDOC_BODY != n->type)
1.1       kristaps 1919:                return;
                   1920:        p->flags |= TERMP_NOSPACE;
                   1921:        term_word(p, "\\(rC");
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static int
                   1927: termp_bq_pre(DECL_ARGS)
                   1928: {
                   1929:
1.86      kristaps 1930:        if (MDOC_BODY != n->type)
1.1       kristaps 1931:                return(1);
                   1932:        term_word(p, "\\(lB");
                   1933:        p->flags |= TERMP_NOSPACE;
                   1934:        return(1);
                   1935: }
                   1936:
                   1937:
                   1938: /* ARGSUSED */
                   1939: static void
                   1940: termp_bq_post(DECL_ARGS)
                   1941: {
                   1942:
1.86      kristaps 1943:        if (MDOC_BODY != n->type)
1.1       kristaps 1944:                return;
                   1945:        p->flags |= TERMP_NOSPACE;
                   1946:        term_word(p, "\\(rB");
                   1947: }
                   1948:
                   1949:
                   1950: /* ARGSUSED */
                   1951: static int
                   1952: termp_pq_pre(DECL_ARGS)
                   1953: {
                   1954:
1.86      kristaps 1955:        if (MDOC_BODY != n->type)
1.1       kristaps 1956:                return(1);
                   1957:        term_word(p, "\\&(");
                   1958:        p->flags |= TERMP_NOSPACE;
                   1959:        return(1);
                   1960: }
                   1961:
                   1962:
                   1963: /* ARGSUSED */
                   1964: static void
                   1965: termp_pq_post(DECL_ARGS)
                   1966: {
                   1967:
1.86      kristaps 1968:        if (MDOC_BODY != n->type)
1.1       kristaps 1969:                return;
                   1970:        term_word(p, ")");
                   1971: }
                   1972:
                   1973:
                   1974: /* ARGSUSED */
                   1975: static int
                   1976: termp_fo_pre(DECL_ARGS)
                   1977: {
1.86      kristaps 1978:        const struct mdoc_node *nn;
1.1       kristaps 1979:
1.86      kristaps 1980:        if (MDOC_BODY == n->type) {
1.33      kristaps 1981:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1982:                term_word(p, "(");
                   1983:                p->flags |= TERMP_NOSPACE;
                   1984:                return(1);
1.86      kristaps 1985:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1986:                return(1);
                   1987:
1.102     kristaps 1988:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1989:        for (nn = n->child; nn; nn = nn->next) {
                   1990:                assert(MDOC_TEXT == nn->type);
                   1991:                term_word(p, nn->string);
1.1       kristaps 1992:        }
1.102     kristaps 1993:        term_fontpop(p);
1.1       kristaps 1994:
                   1995:        return(0);
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static void
                   2001: termp_fo_post(DECL_ARGS)
                   2002: {
                   2003:
1.86      kristaps 2004:        if (MDOC_BODY != n->type)
1.1       kristaps 2005:                return;
                   2006:        p->flags |= TERMP_NOSPACE;
                   2007:        term_word(p, ")");
                   2008:        p->flags |= TERMP_NOSPACE;
                   2009:        term_word(p, ";");
                   2010:        term_newln(p);
                   2011: }
                   2012:
                   2013:
                   2014: /* ARGSUSED */
                   2015: static int
                   2016: termp_bf_pre(DECL_ARGS)
                   2017: {
1.86      kristaps 2018:        const struct mdoc_node  *nn;
1.1       kristaps 2019:
1.86      kristaps 2020:        if (MDOC_HEAD == n->type)
1.1       kristaps 2021:                return(0);
1.86      kristaps 2022:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2023:                return(1);
                   2024:
1.86      kristaps 2025:        if (NULL == (nn = n->head->child)) {
                   2026:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2027:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2028:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2029:                        term_fontpush(p, TERMFONT_BOLD);
                   2030:                else
                   2031:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2032:
                   2033:                return(1);
                   2034:        }
                   2035:
1.86      kristaps 2036:        assert(MDOC_TEXT == nn->type);
                   2037:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2038:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2039:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2040:                term_fontpush(p, TERMFONT_BOLD);
                   2041:        else
                   2042:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2043:
                   2044:        return(1);
                   2045: }
                   2046:
                   2047:
                   2048: /* ARGSUSED */
                   2049: static int
                   2050: termp_sm_pre(DECL_ARGS)
                   2051: {
                   2052:
1.86      kristaps 2053:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2054:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2055:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2056:        else
1.1       kristaps 2057:                p->flags |= TERMP_NONOSPACE;
                   2058:
                   2059:        return(0);
                   2060: }
                   2061:
                   2062:
                   2063: /* ARGSUSED */
                   2064: static int
                   2065: termp_ap_pre(DECL_ARGS)
                   2066: {
                   2067:
                   2068:        p->flags |= TERMP_NOSPACE;
                   2069:        term_word(p, "\\(aq");
                   2070:        p->flags |= TERMP_NOSPACE;
                   2071:        return(1);
                   2072: }
                   2073:
                   2074:
                   2075: /* ARGSUSED */
                   2076: static void
                   2077: termp____post(DECL_ARGS)
                   2078: {
                   2079:
1.95      kristaps 2080:        /* TODO: %U. */
                   2081:
1.1       kristaps 2082:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2083:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2084: }
                   2085:
                   2086:
                   2087: /* ARGSUSED */
                   2088: static int
1.102     kristaps 2089: termp_li_pre(DECL_ARGS)
                   2090: {
                   2091:
                   2092:        term_fontpush(p, TERMFONT_NONE);
                   2093:        return(1);
                   2094: }
                   2095:
                   2096:
                   2097: /* ARGSUSED */
                   2098: static int
1.1       kristaps 2099: termp_lk_pre(DECL_ARGS)
                   2100: {
1.86      kristaps 2101:        const struct mdoc_node *nn;
1.1       kristaps 2102:
1.102     kristaps 2103:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2104:        nn = n->child;
                   2105:
                   2106:        if (NULL == nn->next)
1.12      kristaps 2107:                return(1);
                   2108:
1.86      kristaps 2109:        term_word(p, nn->string);
1.102     kristaps 2110:        term_fontpop(p);
1.96      kristaps 2111:
1.1       kristaps 2112:        p->flags |= TERMP_NOSPACE;
                   2113:        term_word(p, ":");
                   2114:
1.102     kristaps 2115:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2116:        for (nn = nn->next; nn; nn = nn->next)
                   2117:                term_word(p, nn->string);
1.102     kristaps 2118:        term_fontpop(p);
1.12      kristaps 2119:
1.1       kristaps 2120:        return(0);
                   2121: }
                   2122:
                   2123:
                   2124: /* ARGSUSED */
                   2125: static int
1.69      kristaps 2126: termp_under_pre(DECL_ARGS)
1.1       kristaps 2127: {
                   2128:
1.102     kristaps 2129:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2130:        return(1);
                   2131: }

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