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Annotation of mandoc/mdoc_term.c, Revision 1.131

1.131   ! kristaps    1: /*     $Id: mdoc_term.c,v 1.130 2010/05/24 21:51:20 schwarze 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;
1.129     schwarze  277:        p->tabwidth = 5;
1.89      kristaps  278:
                    279:        if (NULL == p->symtab)
                    280:                switch (p->enc) {
                    281:                case (TERMENC_ASCII):
                    282:                        p->symtab = chars_init(CHARS_ASCII);
                    283:                        break;
                    284:                default:
                    285:                        abort();
                    286:                        /* NOTREACHED */
                    287:                }
1.70      kristaps  288:
                    289:        n = mdoc_node(mdoc);
                    290:        m = mdoc_meta(mdoc);
                    291:
1.102     kristaps  292:        print_mdoc_head(p, NULL, m, n);
1.70      kristaps  293:        if (n->child)
1.102     kristaps  294:                print_mdoc_nodelist(p, NULL, m, n->child);
1.70      kristaps  295:        print_foot(p, NULL, m, n);
1.1       kristaps  296: }
                    297:
                    298:
1.3       kristaps  299: static void
1.102     kristaps  300: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  301: {
                    302:
1.102     kristaps  303:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  304:        if (n->next)
1.102     kristaps  305:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  306: }
                    307:
                    308:
1.70      kristaps  309: /* ARGSUSED */
1.3       kristaps  310: static void
1.102     kristaps  311: print_mdoc_node(DECL_ARGS)
1.1       kristaps  312: {
1.102     kristaps  313:        int              chld;
                    314:        const void      *font;
1.1       kristaps  315:        struct termpair  npair;
1.30      kristaps  316:        size_t           offset, rmargin;
1.1       kristaps  317:
1.70      kristaps  318:        chld = 1;
1.29      kristaps  319:        offset = p->offset;
1.30      kristaps  320:        rmargin = p->rmargin;
1.102     kristaps  321:        font = term_fontq(p);
1.29      kristaps  322:
1.97      kristaps  323:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  324:        npair.ppair = pair;
1.46      kristaps  325:
1.86      kristaps  326:        if (MDOC_TEXT != n->type) {
                    327:                if (termacts[n->tok].pre)
                    328:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  329:        } else
1.86      kristaps  330:                term_word(p, n->string);
1.102     kristaps  331:
1.86      kristaps  332:        if (chld && n->child)
1.102     kristaps  333:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  334:
1.102     kristaps  335:        term_fontpopq(p, font);
1.46      kristaps  336:
1.86      kristaps  337:        if (MDOC_TEXT != n->type)
                    338:                if (termacts[n->tok].post)
                    339:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  340:
                    341:        if (MDOC_EOS & n->flags)
                    342:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  343:
                    344:        p->offset = offset;
1.30      kristaps  345:        p->rmargin = rmargin;
1.1       kristaps  346: }
                    347:
                    348:
1.70      kristaps  349: /* ARGSUSED */
1.3       kristaps  350: static void
1.70      kristaps  351: print_foot(DECL_ARGS)
1.1       kristaps  352: {
1.98      kristaps  353:        char            buf[DATESIZ], os[BUFSIZ];
1.1       kristaps  354:
1.102     kristaps  355:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  356:
1.9       kristaps  357:        /*
                    358:         * Output the footer in new-groff style, that is, three columns
                    359:         * with the middle being the manual date and flanking columns
                    360:         * being the operating system:
                    361:         *
                    362:         * SYSTEM                  DATE                    SYSTEM
                    363:         */
                    364:
1.94      kristaps  365:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  366:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  367:
                    368:        term_vspace(p);
                    369:
1.9       kristaps  370:        p->offset = 0;
                    371:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  372:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    373:
                    374:        term_word(p, os);
                    375:        term_flushln(p);
                    376:
1.9       kristaps  377:        p->offset = p->rmargin;
                    378:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  379:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  380:
                    381:        term_word(p, buf);
                    382:        term_flushln(p);
                    383:
1.1       kristaps  384:        p->offset = p->rmargin;
                    385:        p->rmargin = p->maxrmargin;
                    386:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  387:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  388:
1.9       kristaps  389:        term_word(p, os);
1.1       kristaps  390:        term_flushln(p);
                    391:
1.9       kristaps  392:        p->offset = 0;
                    393:        p->rmargin = p->maxrmargin;
                    394:        p->flags = 0;
1.1       kristaps  395: }
                    396:
                    397:
1.70      kristaps  398: /* ARGSUSED */
1.3       kristaps  399: static void
1.102     kristaps  400: print_mdoc_head(DECL_ARGS)
1.1       kristaps  401: {
1.98      kristaps  402:        char            buf[BUFSIZ], title[BUFSIZ];
1.1       kristaps  403:
                    404:        p->rmargin = p->maxrmargin;
                    405:        p->offset = 0;
                    406:
                    407:        /*
                    408:         * The header is strange.  It has three components, which are
                    409:         * really two with the first duplicated.  It goes like this:
                    410:         *
                    411:         * IDENTIFIER              TITLE                   IDENTIFIER
                    412:         *
                    413:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    414:         * (if given, or "unknown" if not) followed by the manual page
                    415:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    416:         * string depending on the manual volume.  If not specified, it
                    417:         * switches on the manual section.
                    418:         */
                    419:
1.86      kristaps  420:        assert(m->vol);
1.98      kristaps  421:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  422:
1.86      kristaps  423:        if (m->arch) {
1.98      kristaps  424:                strlcat(buf, " (", BUFSIZ);
                    425:                strlcat(buf, m->arch, BUFSIZ);
                    426:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  427:        }
                    428:
1.124     kristaps  429:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  430:
                    431:        p->offset = 0;
1.8       kristaps  432:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  433:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    434:
                    435:        term_word(p, title);
                    436:        term_flushln(p);
                    437:
                    438:        p->offset = p->rmargin;
                    439:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  440:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  441:
                    442:        term_word(p, buf);
                    443:        term_flushln(p);
                    444:
                    445:        p->offset = p->rmargin;
                    446:        p->rmargin = p->maxrmargin;
                    447:        p->flags &= ~TERMP_NOBREAK;
                    448:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    449:
                    450:        term_word(p, title);
                    451:        term_flushln(p);
                    452:
1.9       kristaps  453:        p->offset = 0;
1.1       kristaps  454:        p->rmargin = p->maxrmargin;
                    455:        p->flags &= ~TERMP_NOSPACE;
                    456: }
                    457:
                    458:
                    459: static size_t
1.96      kristaps  460: a2height(const struct mdoc_node *n)
1.1       kristaps  461: {
1.92      kristaps  462:        struct roffsu    su;
1.91      kristaps  463:
                    464:        assert(MDOC_TEXT == n->type);
                    465:        assert(n->string);
1.92      kristaps  466:        if ( ! a2roffsu(n->string, &su, SCALE_VS))
                    467:                SCALE_VS_INIT(&su, strlen(n->string));
1.91      kristaps  468:
1.92      kristaps  469:        return(term_vspan(&su));
1.91      kristaps  470: }
1.1       kristaps  471:
1.40      kristaps  472:
1.91      kristaps  473: static size_t
1.96      kristaps  474: a2width(const struct mdoc_argv *arg, int pos)
1.91      kristaps  475: {
1.92      kristaps  476:        struct roffsu    su;
1.1       kristaps  477:
1.91      kristaps  478:        assert(arg->value[pos]);
1.92      kristaps  479:        if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
1.93      kristaps  480:                SCALE_HS_INIT(&su, strlen(arg->value[pos]));
1.1       kristaps  481:
1.108     kristaps  482:        return(term_hspan(&su));
1.1       kristaps  483: }
                    484:
                    485:
                    486: static int
1.118     kristaps  487: arg_disptype(const struct mdoc_node *n)
                    488: {
                    489:        int              i, len;
                    490:
                    491:        assert(MDOC_BLOCK == n->type);
                    492:
                    493:        len = (int)(n->args ? n->args->argc : 0);
                    494:
                    495:        for (i = 0; i < len; i++)
                    496:                switch (n->args->argv[i].arg) {
                    497:                case (MDOC_Centred):
                    498:                        /* FALLTHROUGH */
                    499:                case (MDOC_Ragged):
                    500:                        /* FALLTHROUGH */
                    501:                case (MDOC_Filled):
                    502:                        /* FALLTHROUGH */
                    503:                case (MDOC_Unfilled):
                    504:                        /* FALLTHROUGH */
                    505:                case (MDOC_Literal):
                    506:                        return(n->args->argv[i].arg);
                    507:                default:
                    508:                        break;
                    509:                }
                    510:
                    511:        return(-1);
                    512: }
                    513:
                    514:
1.1       kristaps  515: static size_t
1.96      kristaps  516: a2offs(const struct mdoc_argv *arg)
1.1       kristaps  517: {
1.92      kristaps  518:        struct roffsu    su;
1.1       kristaps  519:
1.91      kristaps  520:        if ('\0' == arg->value[0][0])
                    521:                return(0);
                    522:        else if (0 == strcmp(arg->value[0], "left"))
1.19      kristaps  523:                return(0);
1.91      kristaps  524:        else if (0 == strcmp(arg->value[0], "indent"))
1.16      kristaps  525:                return(INDENT + 1);
1.91      kristaps  526:        else if (0 == strcmp(arg->value[0], "indent-two"))
1.20      kristaps  527:                return((INDENT + 1) * 2);
1.92      kristaps  528:        else if ( ! a2roffsu(arg->value[0], &su, SCALE_MAX))
                    529:                SCALE_HS_INIT(&su, strlen(arg->value[0]));
1.10      kristaps  530:
1.92      kristaps  531:        return(term_hspan(&su));
1.1       kristaps  532: }
                    533:
                    534:
1.108     kristaps  535: /*
                    536:  * Return 1 if an argument has a particular argument value or 0 if it
                    537:  * does not.  See arg_getattr().
                    538:  */
1.1       kristaps  539: static int
                    540: arg_hasattr(int arg, const struct mdoc_node *n)
                    541: {
                    542:
                    543:        return(-1 != arg_getattr(arg, n));
                    544: }
                    545:
                    546:
1.108     kristaps  547: /*
                    548:  * Get the index of an argument in a node's argument list or -1 if it
                    549:  * does not exist.  See arg_getattrs().
                    550:  */
1.1       kristaps  551: static int
                    552: arg_getattr(int v, const struct mdoc_node *n)
                    553: {
                    554:        int              val;
                    555:
                    556:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    557: }
                    558:
                    559:
1.108     kristaps  560: /*
                    561:  * Walk through the argument list for a node and fill an array "vals"
                    562:  * with the positions of the argument structures listed in "keys".
                    563:  * Return the number of elements that were written into "vals", which
                    564:  * can be zero.
                    565:  */
1.1       kristaps  566: static int
                    567: arg_getattrs(const int *keys, int *vals,
                    568:                size_t sz, const struct mdoc_node *n)
                    569: {
                    570:        int              i, j, k;
                    571:
                    572:        if (NULL == n->args)
                    573:                return(0);
                    574:
                    575:        for (k = i = 0; i < (int)n->args->argc; i++)
                    576:                for (j = 0; j < (int)sz; j++)
                    577:                        if (n->args->argv[i].arg == keys[j]) {
                    578:                                vals[j] = i;
                    579:                                k++;
                    580:                        }
                    581:        return(k);
                    582: }
                    583:
                    584:
1.108     kristaps  585: /*
                    586:  * Determine how much space to print out before block elements of `It'
                    587:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    588:  * too.
                    589:  */
1.54      kristaps  590: static void
1.91      kristaps  591: print_bvspace(struct termp *p,
1.1       kristaps  592:                const struct mdoc_node *bl,
1.86      kristaps  593:                const struct mdoc_node *n)
1.1       kristaps  594: {
1.86      kristaps  595:        const struct mdoc_node  *nn;
1.1       kristaps  596:
                    597:        term_newln(p);
1.85      kristaps  598:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  599:                return;
                    600:
1.85      kristaps  601:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  602:
1.86      kristaps  603:        for (nn = n; nn; nn = nn->parent) {
                    604:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  605:                        continue;
1.86      kristaps  606:                if (MDOC_Ss == nn->tok)
1.54      kristaps  607:                        return;
1.86      kristaps  608:                if (MDOC_Sh == nn->tok)
1.54      kristaps  609:                        return;
1.86      kristaps  610:                if (NULL == nn->prev)
1.1       kristaps  611:                        continue;
                    612:                break;
                    613:        }
                    614:
1.85      kristaps  615:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  616:
1.128     schwarze  617:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.list)
1.86      kristaps  618:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  619:                        return;
                    620:
1.85      kristaps  621:        /* A `-diag' without body does not vspace. */
                    622:
1.126     kristaps  623:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.list)
1.86      kristaps  624:                if (n->prev && MDOC_It == n->prev->tok) {
                    625:                        assert(n->prev->body);
                    626:                        if (NULL == n->prev->body->child)
1.55      kristaps  627:                                return;
                    628:                }
                    629:
1.54      kristaps  630:        term_vspace(p);
1.1       kristaps  631: }
                    632:
                    633:
                    634: /* ARGSUSED */
                    635: static int
                    636: termp_dq_pre(DECL_ARGS)
                    637: {
                    638:
1.86      kristaps  639:        if (MDOC_BODY != n->type)
1.1       kristaps  640:                return(1);
                    641:
                    642:        term_word(p, "\\(lq");
                    643:        p->flags |= TERMP_NOSPACE;
                    644:        return(1);
                    645: }
                    646:
                    647:
                    648: /* ARGSUSED */
                    649: static void
                    650: termp_dq_post(DECL_ARGS)
                    651: {
                    652:
1.86      kristaps  653:        if (MDOC_BODY != n->type)
1.1       kristaps  654:                return;
                    655:
                    656:        p->flags |= TERMP_NOSPACE;
                    657:        term_word(p, "\\(rq");
                    658: }
                    659:
                    660:
                    661: /* ARGSUSED */
                    662: static int
                    663: termp_it_pre(DECL_ARGS)
                    664: {
1.86      kristaps  665:        const struct mdoc_node *bl, *nn;
1.1       kristaps  666:        char                    buf[7];
1.126     kristaps  667:        int                     i, keys[3], vals[3];
1.108     kristaps  668:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  669:        enum mdoc_list          type;
1.1       kristaps  670:
1.86      kristaps  671:        if (MDOC_BLOCK == n->type) {
1.91      kristaps  672:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  673:                return(1);
                    674:        }
1.1       kristaps  675:
1.86      kristaps  676:        bl = n->parent->parent->parent;
1.1       kristaps  677:
1.108     kristaps  678:        /* Get list width, offset, and list type from argument list. */
1.1       kristaps  679:
                    680:        keys[0] = MDOC_Width;
                    681:        keys[1] = MDOC_Offset;
                    682:        keys[2] = MDOC_Column;
                    683:
                    684:        vals[0] = vals[1] = vals[2] = -1;
                    685:
1.108     kristaps  686:        arg_getattrs(keys, vals, 3, bl);
1.1       kristaps  687:
1.126     kristaps  688:        type = bl->data.list;
1.1       kristaps  689:
1.108     kristaps  690:        /*
                    691:         * First calculate width and offset.  This is pretty easy unless
                    692:         * we're a -column list, in which case all prior columns must
                    693:         * be accounted for.
                    694:         */
                    695:
                    696:        width = offset = 0;
                    697:
1.105     kristaps  698:        if (vals[1] >= 0)
                    699:                offset = a2offs(&bl->args->argv[vals[1]]);
                    700:
1.1       kristaps  701:        switch (type) {
1.126     kristaps  702:        case (LIST_column):
1.86      kristaps  703:                if (MDOC_BODY == n->type)
1.1       kristaps  704:                        break;
1.105     kristaps  705:                /*
1.108     kristaps  706:                 * Imitate groff's column handling:
                    707:                 * - For each earlier column, add its width.
                    708:                 * - For less than 5 columns, add four more blanks per
                    709:                 *   column.
                    710:                 * - For exactly 5 columns, add three more blank per
                    711:                 *   column.
                    712:                 * - For more than 5 columns, add only one column.
1.105     kristaps  713:                 */
                    714:                ncols = bl->args->argv[vals[2]].sz;
1.108     kristaps  715:                /* LINTED */
                    716:                dcol = ncols < 5 ? 4 : ncols == 5 ? 3 : 1;
                    717:
                    718:                for (i = 0, nn = n->prev;
                    719:                                nn && i < (int)ncols;
                    720:                                nn = nn->prev, i++)
                    721:                        offset += dcol + a2width
                    722:                                (&bl->args->argv[vals[2]], i);
                    723:
1.105     kristaps  724:
                    725:                /*
1.108     kristaps  726:                 * When exceeding the declared number of columns, leave
                    727:                 * the remaining widths at 0.  This will later be
                    728:                 * adjusted to the default width of 10, or, for the last
                    729:                 * column, stretched to the right margin.
1.58      kristaps  730:                 */
1.108     kristaps  731:                if (i >= (int)ncols)
                    732:                        break;
1.58      kristaps  733:
1.105     kristaps  734:                /*
1.108     kristaps  735:                 * Use the declared column widths, extended as explained
                    736:                 * in the preceding paragraph.
1.105     kristaps  737:                 */
1.108     kristaps  738:                width = a2width(&bl->args->argv[vals[2]], i) + dcol;
1.1       kristaps  739:                break;
                    740:        default:
1.108     kristaps  741:                if (vals[0] < 0)
                    742:                        break;
                    743:
                    744:                /*
                    745:                 * Note: buffer the width by 2, which is groff's magic
                    746:                 * number for buffering single arguments.  See the above
                    747:                 * handling for column for how this changes.
                    748:                 */
                    749:                width = a2width(&bl->args->argv[vals[0]], 0) + 2;
1.1       kristaps  750:                break;
                    751:        }
                    752:
                    753:        /*
                    754:         * List-type can override the width in the case of fixed-head
                    755:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  756:         * offset.
1.1       kristaps  757:         */
                    758:
                    759:        switch (type) {
1.126     kristaps  760:        case (LIST_bullet):
1.1       kristaps  761:                /* FALLTHROUGH */
1.126     kristaps  762:        case (LIST_dash):
1.1       kristaps  763:                /* FALLTHROUGH */
1.126     kristaps  764:        case (LIST_hyphen):
1.1       kristaps  765:                if (width < 4)
                    766:                        width = 4;
                    767:                break;
1.126     kristaps  768:        case (LIST_enum):
1.17      kristaps  769:                if (width < 5)
                    770:                        width = 5;
                    771:                break;
1.126     kristaps  772:        case (LIST_hang):
1.39      kristaps  773:                if (0 == width)
                    774:                        width = 8;
                    775:                break;
1.126     kristaps  776:        case (LIST_column):
1.49      kristaps  777:                /* FALLTHROUGH */
1.126     kristaps  778:        case (LIST_tag):
1.1       kristaps  779:                if (0 == width)
                    780:                        width = 10;
                    781:                break;
                    782:        default:
                    783:                break;
                    784:        }
                    785:
                    786:        /*
1.17      kristaps  787:         * Whitespace control.  Inset bodies need an initial space,
                    788:         * while diagonal bodies need two.
1.1       kristaps  789:         */
                    790:
1.51      kristaps  791:        p->flags |= TERMP_NOSPACE;
                    792:
1.1       kristaps  793:        switch (type) {
1.126     kristaps  794:        case (LIST_diag):
1.86      kristaps  795:                if (MDOC_BODY == n->type)
1.62      kristaps  796:                        term_word(p, "\\ \\ ");
1.51      kristaps  797:                break;
1.126     kristaps  798:        case (LIST_inset):
1.86      kristaps  799:                if (MDOC_BODY == n->type)
1.51      kristaps  800:                        term_word(p, "\\ ");
1.1       kristaps  801:                break;
                    802:        default:
                    803:                break;
                    804:        }
                    805:
1.51      kristaps  806:        p->flags |= TERMP_NOSPACE;
                    807:
1.1       kristaps  808:        switch (type) {
1.126     kristaps  809:        case (LIST_diag):
1.86      kristaps  810:                if (MDOC_HEAD == n->type)
1.102     kristaps  811:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  812:                break;
                    813:        default:
                    814:                break;
                    815:        }
                    816:
                    817:        /*
1.109     kristaps  818:         * Pad and break control.  This is the tricky part.  These flags
                    819:         * are documented in term_flushln() in term.c.  Note that we're
                    820:         * going to unset all of these flags in termp_it_post() when we
                    821:         * exit.
1.1       kristaps  822:         */
                    823:
                    824:        switch (type) {
1.126     kristaps  825:        case (LIST_bullet):
1.1       kristaps  826:                /* FALLTHROUGH */
1.126     kristaps  827:        case (LIST_dash):
1.1       kristaps  828:                /* FALLTHROUGH */
1.126     kristaps  829:        case (LIST_enum):
1.1       kristaps  830:                /* FALLTHROUGH */
1.126     kristaps  831:        case (LIST_hyphen):
1.86      kristaps  832:                if (MDOC_HEAD == n->type)
1.39      kristaps  833:                        p->flags |= TERMP_NOBREAK;
                    834:                else
                    835:                        p->flags |= TERMP_NOLPAD;
                    836:                break;
1.126     kristaps  837:        case (LIST_hang):
1.86      kristaps  838:                if (MDOC_HEAD == n->type)
1.39      kristaps  839:                        p->flags |= TERMP_NOBREAK;
                    840:                else
                    841:                        p->flags |= TERMP_NOLPAD;
                    842:
1.86      kristaps  843:                if (MDOC_HEAD != n->type)
1.59      kristaps  844:                        break;
                    845:
                    846:                /*
                    847:                 * This is ugly.  If `-hang' is specified and the body
                    848:                 * is a `Bl' or `Bd', then we want basically to nullify
                    849:                 * the "overstep" effect in term_flushln() and treat
                    850:                 * this as a `-ohang' list instead.
                    851:                 */
1.86      kristaps  852:                if (n->next->child &&
                    853:                                (MDOC_Bl == n->next->child->tok ||
                    854:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  855:                        p->flags &= ~TERMP_NOBREAK;
                    856:                        p->flags &= ~TERMP_NOLPAD;
                    857:                } else
1.39      kristaps  858:                        p->flags |= TERMP_HANG;
                    859:                break;
1.126     kristaps  860:        case (LIST_tag):
1.86      kristaps  861:                if (MDOC_HEAD == n->type)
1.51      kristaps  862:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  863:                else
                    864:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  865:
1.86      kristaps  866:                if (MDOC_HEAD != n->type)
1.39      kristaps  867:                        break;
1.86      kristaps  868:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  869:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  870:                break;
1.126     kristaps  871:        case (LIST_column):
1.86      kristaps  872:                if (MDOC_HEAD == n->type) {
                    873:                        assert(n->next);
                    874:                        if (MDOC_BODY == n->next->type)
1.1       kristaps  875:                                p->flags &= ~TERMP_NOBREAK;
                    876:                        else
                    877:                                p->flags |= TERMP_NOBREAK;
1.86      kristaps  878:                        if (n->prev)
1.1       kristaps  879:                                p->flags |= TERMP_NOLPAD;
                    880:                }
                    881:                break;
1.126     kristaps  882:        case (LIST_diag):
1.86      kristaps  883:                if (MDOC_HEAD == n->type)
1.1       kristaps  884:                        p->flags |= TERMP_NOBREAK;
                    885:                break;
                    886:        default:
                    887:                break;
                    888:        }
                    889:
                    890:        /*
                    891:         * Margin control.  Set-head-width lists have their right
                    892:         * margins shortened.  The body for these lists has the offset
                    893:         * necessarily lengthened.  Everybody gets the offset.
                    894:         */
                    895:
                    896:        p->offset += offset;
                    897:
                    898:        switch (type) {
1.126     kristaps  899:        case (LIST_hang):
1.59      kristaps  900:                /*
                    901:                 * Same stipulation as above, regarding `-hang'.  We
                    902:                 * don't want to recalculate rmargin and offsets when
                    903:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    904:                 */
1.86      kristaps  905:                if (MDOC_HEAD == n->type && n->next->child &&
                    906:                                (MDOC_Bl == n->next->child->tok ||
                    907:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  908:                        break;
                    909:                /* FALLTHROUGH */
1.126     kristaps  910:        case (LIST_bullet):
1.1       kristaps  911:                /* FALLTHROUGH */
1.126     kristaps  912:        case (LIST_dash):
1.1       kristaps  913:                /* FALLTHROUGH */
1.126     kristaps  914:        case (LIST_enum):
1.1       kristaps  915:                /* FALLTHROUGH */
1.126     kristaps  916:        case (LIST_hyphen):
1.1       kristaps  917:                /* FALLTHROUGH */
1.126     kristaps  918:        case (LIST_tag):
1.49      kristaps  919:                assert(width);
1.86      kristaps  920:                if (MDOC_HEAD == n->type)
1.1       kristaps  921:                        p->rmargin = p->offset + width;
                    922:                else
                    923:                        p->offset += width;
                    924:                break;
1.126     kristaps  925:        case (LIST_column):
1.49      kristaps  926:                assert(width);
1.1       kristaps  927:                p->rmargin = p->offset + width;
1.50      kristaps  928:                /*
                    929:                 * XXX - this behaviour is not documented: the
                    930:                 * right-most column is filled to the right margin.
                    931:                 */
1.86      kristaps  932:                if (MDOC_HEAD == n->type &&
1.105     kristaps  933:                                MDOC_BODY == n->next->type &&
                    934:                                p->rmargin < p->maxrmargin)
1.50      kristaps  935:                        p->rmargin = p->maxrmargin;
1.1       kristaps  936:                break;
                    937:        default:
                    938:                break;
                    939:        }
                    940:
                    941:        /*
                    942:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  943:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  944:         */
                    945:
1.86      kristaps  946:        if (MDOC_HEAD == n->type)
1.1       kristaps  947:                switch (type) {
1.126     kristaps  948:                case (LIST_bullet):
1.102     kristaps  949:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  950:                        term_word(p, "\\[bu]");
1.102     kristaps  951:                        term_fontpop(p);
1.1       kristaps  952:                        break;
1.126     kristaps  953:                case (LIST_dash):
1.1       kristaps  954:                        /* FALLTHROUGH */
1.126     kristaps  955:                case (LIST_hyphen):
1.102     kristaps  956:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  957:                        term_word(p, "\\(hy");
1.102     kristaps  958:                        term_fontpop(p);
1.1       kristaps  959:                        break;
1.126     kristaps  960:                case (LIST_enum):
1.1       kristaps  961:                        (pair->ppair->ppair->count)++;
1.109     kristaps  962:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  963:                                        pair->ppair->ppair->count);
                    964:                        term_word(p, buf);
                    965:                        break;
                    966:                default:
                    967:                        break;
                    968:                }
                    969:
                    970:        /*
                    971:         * If we're not going to process our children, indicate so here.
                    972:         */
                    973:
                    974:        switch (type) {
1.126     kristaps  975:        case (LIST_bullet):
1.1       kristaps  976:                /* FALLTHROUGH */
1.126     kristaps  977:        case (LIST_item):
1.1       kristaps  978:                /* FALLTHROUGH */
1.126     kristaps  979:        case (LIST_dash):
1.1       kristaps  980:                /* FALLTHROUGH */
1.126     kristaps  981:        case (LIST_hyphen):
1.1       kristaps  982:                /* FALLTHROUGH */
1.126     kristaps  983:        case (LIST_enum):
1.86      kristaps  984:                if (MDOC_HEAD == n->type)
1.1       kristaps  985:                        return(0);
                    986:                break;
1.126     kristaps  987:        case (LIST_column):
1.86      kristaps  988:                if (MDOC_BODY == n->type)
1.1       kristaps  989:                        return(0);
                    990:                break;
                    991:        default:
                    992:                break;
                    993:        }
                    994:
                    995:        return(1);
                    996: }
                    997:
                    998:
                    999: /* ARGSUSED */
                   1000: static void
                   1001: termp_it_post(DECL_ARGS)
                   1002: {
1.126     kristaps 1003:        enum mdoc_list     type;
1.1       kristaps 1004:
1.109     kristaps 1005:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1006:                return;
                   1007:
1.126     kristaps 1008:        type = n->parent->parent->parent->data.list;
1.1       kristaps 1009:
                   1010:        switch (type) {
1.126     kristaps 1011:        case (LIST_item):
1.1       kristaps 1012:                /* FALLTHROUGH */
1.126     kristaps 1013:        case (LIST_diag):
1.53      kristaps 1014:                /* FALLTHROUGH */
1.126     kristaps 1015:        case (LIST_inset):
1.86      kristaps 1016:                if (MDOC_BODY == n->type)
1.130     schwarze 1017:                        term_newln(p);
1.1       kristaps 1018:                break;
1.126     kristaps 1019:        case (LIST_column):
1.86      kristaps 1020:                if (MDOC_HEAD == n->type)
1.1       kristaps 1021:                        term_flushln(p);
                   1022:                break;
                   1023:        default:
1.130     schwarze 1024:                term_newln(p);
1.1       kristaps 1025:                break;
                   1026:        }
                   1027:
1.109     kristaps 1028:        /*
                   1029:         * Now that our output is flushed, we can reset our tags.  Since
                   1030:         * only `It' sets these flags, we're free to assume that nobody
                   1031:         * has munged them in the meanwhile.
                   1032:         */
                   1033:
                   1034:        p->flags &= ~TERMP_DANGLE;
                   1035:        p->flags &= ~TERMP_NOBREAK;
                   1036:        p->flags &= ~TERMP_TWOSPACE;
                   1037:        p->flags &= ~TERMP_NOLPAD;
                   1038:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1039: }
                   1040:
                   1041:
                   1042: /* ARGSUSED */
                   1043: static int
                   1044: termp_nm_pre(DECL_ARGS)
                   1045: {
                   1046:
1.125     kristaps 1047:        if (NULL == n->child && NULL == m->name)
1.127     joerg    1048:                return(1);
1.125     kristaps 1049:
1.122     kristaps 1050:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1051:                term_newln(p);
1.102     kristaps 1052:
                   1053:        term_fontpush(p, TERMFONT_BOLD);
                   1054:
1.86      kristaps 1055:        if (NULL == n->child)
                   1056:                term_word(p, m->name);
1.125     kristaps 1057:
1.1       kristaps 1058:        return(1);
                   1059: }
                   1060:
                   1061:
                   1062: /* ARGSUSED */
                   1063: static int
                   1064: termp_fl_pre(DECL_ARGS)
                   1065: {
                   1066:
1.102     kristaps 1067:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1068:        term_word(p, "\\-");
1.103     kristaps 1069:
                   1070:        if (n->child)
1.114     kristaps 1071:                p->flags |= TERMP_NOSPACE;
                   1072:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1073:                p->flags |= TERMP_NOSPACE;
                   1074:
1.1       kristaps 1075:        return(1);
                   1076: }
                   1077:
                   1078:
                   1079: /* ARGSUSED */
                   1080: static int
1.61      kristaps 1081: termp_an_pre(DECL_ARGS)
                   1082: {
                   1083:
1.86      kristaps 1084:        if (NULL == n->child)
1.61      kristaps 1085:                return(1);
                   1086:
                   1087:        /*
1.85      kristaps 1088:         * If not in the AUTHORS section, `An -split' will cause
                   1089:         * newlines to occur before the author name.  If in the AUTHORS
                   1090:         * section, by default, the first `An' invocation is nosplit,
                   1091:         * then all subsequent ones, regardless of whether interspersed
                   1092:         * with other macros/text, are split.  -split, in this case,
                   1093:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1094:         */
                   1095:
1.86      kristaps 1096:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1097:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1098:                        if (TERMP_SPLIT & p->flags)
                   1099:                                term_newln(p);
                   1100:                        return(1);
                   1101:                }
                   1102:                if (TERMP_NOSPLIT & p->flags)
                   1103:                        return(1);
                   1104:                term_newln(p);
                   1105:                return(1);
                   1106:        }
                   1107:
                   1108:        if (TERMP_SPLIT & p->flags)
                   1109:                term_newln(p);
                   1110:
                   1111:        return(1);
                   1112: }
                   1113:
                   1114:
                   1115: /* ARGSUSED */
                   1116: static void
                   1117: termp_an_post(DECL_ARGS)
                   1118: {
                   1119:
1.86      kristaps 1120:        if (n->child) {
                   1121:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1122:                        p->flags |= TERMP_ANPREC;
                   1123:                return;
                   1124:        }
                   1125:
1.118     kristaps 1126:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1127:                p->flags &= ~TERMP_NOSPLIT;
                   1128:                p->flags |= TERMP_SPLIT;
                   1129:        } else {
                   1130:                p->flags &= ~TERMP_SPLIT;
                   1131:                p->flags |= TERMP_NOSPLIT;
                   1132:        }
                   1133:
                   1134: }
                   1135:
                   1136:
                   1137: /* ARGSUSED */
                   1138: static int
1.1       kristaps 1139: termp_ns_pre(DECL_ARGS)
                   1140: {
                   1141:
                   1142:        p->flags |= TERMP_NOSPACE;
                   1143:        return(1);
                   1144: }
                   1145:
                   1146:
                   1147: /* ARGSUSED */
                   1148: static int
                   1149: termp_rs_pre(DECL_ARGS)
                   1150: {
                   1151:
1.86      kristaps 1152:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1153:                return(1);
1.86      kristaps 1154:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1155:                term_vspace(p);
                   1156:        return(1);
                   1157: }
                   1158:
                   1159:
                   1160: /* ARGSUSED */
                   1161: static int
                   1162: termp_rv_pre(DECL_ARGS)
                   1163: {
1.68      kristaps 1164:        const struct mdoc_node  *nn;
1.1       kristaps 1165:
                   1166:        term_newln(p);
                   1167:        term_word(p, "The");
                   1168:
1.86      kristaps 1169:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1170:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1171:                term_word(p, nn->string);
1.102     kristaps 1172:                term_fontpop(p);
1.68      kristaps 1173:                p->flags |= TERMP_NOSPACE;
                   1174:                if (nn->next && NULL == nn->next->next)
                   1175:                        term_word(p, "(), and");
                   1176:                else if (nn->next)
                   1177:                        term_word(p, "(),");
                   1178:                else
                   1179:                        term_word(p, "()");
                   1180:        }
                   1181:
1.125     kristaps 1182:        if (n->child && n->child->next)
1.68      kristaps 1183:                term_word(p, "functions return");
                   1184:        else
                   1185:                term_word(p, "function returns");
1.1       kristaps 1186:
1.68      kristaps 1187:                term_word(p, "the value 0 if successful; otherwise the value "
                   1188:                        "-1 is returned and the global variable");
1.1       kristaps 1189:
1.102     kristaps 1190:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1191:        term_word(p, "errno");
1.102     kristaps 1192:        term_fontpop(p);
1.1       kristaps 1193:
                   1194:                term_word(p, "is set to indicate the error.");
1.131   ! kristaps 1195:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1196:
1.68      kristaps 1197:        return(0);
1.1       kristaps 1198: }
                   1199:
                   1200:
                   1201: /* ARGSUSED */
                   1202: static int
                   1203: termp_ex_pre(DECL_ARGS)
                   1204: {
1.68      kristaps 1205:        const struct mdoc_node  *nn;
1.1       kristaps 1206:
1.68      kristaps 1207:        term_word(p, "The");
1.1       kristaps 1208:
1.86      kristaps 1209:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1210:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1211:                term_word(p, nn->string);
1.102     kristaps 1212:                term_fontpop(p);
1.68      kristaps 1213:                p->flags |= TERMP_NOSPACE;
                   1214:                if (nn->next && NULL == nn->next->next)
                   1215:                        term_word(p, ", and");
                   1216:                else if (nn->next)
                   1217:                        term_word(p, ",");
                   1218:                else
                   1219:                        p->flags &= ~TERMP_NOSPACE;
                   1220:        }
                   1221:
1.125     kristaps 1222:        if (n->child && n->child->next)
1.68      kristaps 1223:                term_word(p, "utilities exit");
                   1224:        else
                   1225:                term_word(p, "utility exits");
                   1226:
                   1227:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131   ! kristaps 1228:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1229:
1.68      kristaps 1230:        return(0);
1.1       kristaps 1231: }
                   1232:
                   1233:
                   1234: /* ARGSUSED */
                   1235: static int
                   1236: termp_nd_pre(DECL_ARGS)
                   1237: {
1.25      kristaps 1238:
1.86      kristaps 1239:        if (MDOC_BODY != n->type)
1.25      kristaps 1240:                return(1);
1.30      kristaps 1241:
1.27      kristaps 1242: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1243:        term_word(p, "\\(en");
1.23      kristaps 1244: #else
                   1245:        term_word(p, "\\(em");
                   1246: #endif
1.1       kristaps 1247:        return(1);
1.115     kristaps 1248: }
                   1249:
                   1250:
                   1251: /* ARGSUSED */
                   1252: static int
                   1253: termp_bl_pre(DECL_ARGS)
                   1254: {
                   1255:
                   1256:        return(MDOC_HEAD != n->type);
1.1       kristaps 1257: }
                   1258:
                   1259:
                   1260: /* ARGSUSED */
                   1261: static void
                   1262: termp_bl_post(DECL_ARGS)
                   1263: {
                   1264:
1.86      kristaps 1265:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1266:                term_newln(p);
                   1267: }
                   1268:
                   1269:
                   1270: /* ARGSUSED */
                   1271: static void
                   1272: termp_op_post(DECL_ARGS)
                   1273: {
                   1274:
1.86      kristaps 1275:        if (MDOC_BODY != n->type)
1.1       kristaps 1276:                return;
                   1277:        p->flags |= TERMP_NOSPACE;
                   1278:        term_word(p, "\\(rB");
                   1279: }
                   1280:
                   1281:
                   1282: /* ARGSUSED */
                   1283: static int
                   1284: termp_xr_pre(DECL_ARGS)
                   1285: {
1.86      kristaps 1286:        const struct mdoc_node *nn;
1.1       kristaps 1287:
1.113     kristaps 1288:        if (NULL == n->child)
                   1289:                return(0);
                   1290:
                   1291:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1292:        nn = n->child;
1.11      kristaps 1293:
1.86      kristaps 1294:        term_word(p, nn->string);
                   1295:        if (NULL == (nn = nn->next))
1.1       kristaps 1296:                return(0);
                   1297:        p->flags |= TERMP_NOSPACE;
                   1298:        term_word(p, "(");
                   1299:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1300:        term_word(p, nn->string);
1.1       kristaps 1301:        p->flags |= TERMP_NOSPACE;
                   1302:        term_word(p, ")");
1.86      kristaps 1303:
1.1       kristaps 1304:        return(0);
                   1305: }
                   1306:
                   1307:
1.110     kristaps 1308: static int
                   1309: termp_vt_pre(DECL_ARGS)
                   1310: {
                   1311:
                   1312:        if (MDOC_ELEM == n->type)
                   1313:                return(termp_under_pre(p, pair, m, n));
                   1314:        else if (MDOC_HEAD == n->type)
                   1315:                return(0);
                   1316:        else if (MDOC_BLOCK == n->type)
                   1317:                return(1);
                   1318:
                   1319:        return(termp_under_pre(p, pair, m, n));
                   1320: }
                   1321:
                   1322:
1.1       kristaps 1323: /* ARGSUSED */
                   1324: static void
                   1325: termp_vt_post(DECL_ARGS)
                   1326: {
                   1327:
1.110     kristaps 1328:        if (MDOC_BLOCK != n->type)
1.32      kristaps 1329:                return;
1.86      kristaps 1330:        if (n->next && MDOC_Vt == n->next->tok)
1.32      kristaps 1331:                term_newln(p);
1.86      kristaps 1332:        else if (n->next)
1.1       kristaps 1333:                term_vspace(p);
                   1334: }
                   1335:
                   1336:
                   1337: /* ARGSUSED */
                   1338: static int
1.69      kristaps 1339: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1340: {
                   1341:
1.102     kristaps 1342:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1343:        return(1);
                   1344: }
                   1345:
                   1346:
                   1347: /* ARGSUSED */
                   1348: static void
                   1349: termp_fd_post(DECL_ARGS)
                   1350: {
                   1351:
1.122     kristaps 1352:        if (n->sec != SEC_SYNOPSIS || ! (MDOC_LINE & n->flags))
1.1       kristaps 1353:                return;
1.29      kristaps 1354:
1.1       kristaps 1355:        term_newln(p);
1.86      kristaps 1356:        if (n->next && MDOC_Fd != n->next->tok)
1.1       kristaps 1357:                term_vspace(p);
                   1358: }
                   1359:
                   1360:
                   1361: /* ARGSUSED */
                   1362: static int
                   1363: termp_sh_pre(DECL_ARGS)
                   1364: {
1.85      kristaps 1365:
                   1366:        /* No vspace between consecutive `Sh' calls. */
                   1367:
1.86      kristaps 1368:        switch (n->type) {
1.65      kristaps 1369:        case (MDOC_BLOCK):
1.86      kristaps 1370:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1371:                        if (NULL == n->prev->body->child)
1.65      kristaps 1372:                                break;
                   1373:                term_vspace(p);
                   1374:                break;
1.1       kristaps 1375:        case (MDOC_HEAD):
1.102     kristaps 1376:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1377:                break;
                   1378:        case (MDOC_BODY):
                   1379:                p->offset = INDENT;
                   1380:                break;
                   1381:        default:
                   1382:                break;
                   1383:        }
                   1384:        return(1);
                   1385: }
                   1386:
                   1387:
                   1388: /* ARGSUSED */
                   1389: static void
                   1390: termp_sh_post(DECL_ARGS)
                   1391: {
                   1392:
1.86      kristaps 1393:        switch (n->type) {
1.1       kristaps 1394:        case (MDOC_HEAD):
                   1395:                term_newln(p);
                   1396:                break;
                   1397:        case (MDOC_BODY):
                   1398:                term_newln(p);
                   1399:                p->offset = 0;
                   1400:                break;
                   1401:        default:
                   1402:                break;
                   1403:        }
                   1404: }
                   1405:
                   1406:
                   1407: /* ARGSUSED */
                   1408: static int
                   1409: termp_op_pre(DECL_ARGS)
                   1410: {
                   1411:
1.86      kristaps 1412:        switch (n->type) {
1.1       kristaps 1413:        case (MDOC_BODY):
                   1414:                term_word(p, "\\(lB");
                   1415:                p->flags |= TERMP_NOSPACE;
                   1416:                break;
                   1417:        default:
                   1418:                break;
                   1419:        }
                   1420:        return(1);
                   1421: }
                   1422:
                   1423:
                   1424: /* ARGSUSED */
                   1425: static int
                   1426: termp_bt_pre(DECL_ARGS)
                   1427: {
                   1428:
                   1429:        term_word(p, "is currently in beta test.");
1.131   ! kristaps 1430:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1431:        return(0);
1.1       kristaps 1432: }
                   1433:
                   1434:
                   1435: /* ARGSUSED */
                   1436: static void
                   1437: termp_lb_post(DECL_ARGS)
                   1438: {
                   1439:
1.122     kristaps 1440:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1441:                term_newln(p);
1.1       kristaps 1442: }
                   1443:
                   1444:
                   1445: /* ARGSUSED */
                   1446: static int
                   1447: termp_ud_pre(DECL_ARGS)
                   1448: {
                   1449:
                   1450:        term_word(p, "currently under development.");
1.131   ! kristaps 1451:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1452:        return(0);
1.1       kristaps 1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static int
                   1458: termp_d1_pre(DECL_ARGS)
                   1459: {
                   1460:
1.86      kristaps 1461:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1462:                return(1);
                   1463:        term_newln(p);
1.29      kristaps 1464:        p->offset += (INDENT + 1);
1.1       kristaps 1465:        return(1);
                   1466: }
                   1467:
                   1468:
                   1469: /* ARGSUSED */
                   1470: static void
                   1471: termp_d1_post(DECL_ARGS)
                   1472: {
                   1473:
1.86      kristaps 1474:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1475:                return;
                   1476:        term_newln(p);
                   1477: }
                   1478:
                   1479:
                   1480: /* ARGSUSED */
                   1481: static int
                   1482: termp_aq_pre(DECL_ARGS)
                   1483: {
                   1484:
1.86      kristaps 1485:        if (MDOC_BODY != n->type)
1.1       kristaps 1486:                return(1);
                   1487:        term_word(p, "\\(la");
                   1488:        p->flags |= TERMP_NOSPACE;
                   1489:        return(1);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static void
                   1495: termp_aq_post(DECL_ARGS)
                   1496: {
                   1497:
1.86      kristaps 1498:        if (MDOC_BODY != n->type)
1.1       kristaps 1499:                return;
                   1500:        p->flags |= TERMP_NOSPACE;
                   1501:        term_word(p, "\\(ra");
                   1502: }
                   1503:
                   1504:
                   1505: /* ARGSUSED */
                   1506: static int
                   1507: termp_ft_pre(DECL_ARGS)
                   1508: {
                   1509:
1.122     kristaps 1510:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.86      kristaps 1511:                if (n->prev && MDOC_Fo == n->prev->tok)
1.1       kristaps 1512:                        term_vspace(p);
1.102     kristaps 1513:
                   1514:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1515:        return(1);
                   1516: }
                   1517:
                   1518:
                   1519: /* ARGSUSED */
                   1520: static void
                   1521: termp_ft_post(DECL_ARGS)
                   1522: {
                   1523:
1.122     kristaps 1524:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags)
1.1       kristaps 1525:                term_newln(p);
                   1526: }
                   1527:
                   1528:
                   1529: /* ARGSUSED */
                   1530: static int
                   1531: termp_fn_pre(DECL_ARGS)
                   1532: {
1.86      kristaps 1533:        const struct mdoc_node  *nn;
1.1       kristaps 1534:
1.102     kristaps 1535:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1536:        term_word(p, n->child->string);
1.102     kristaps 1537:        term_fontpop(p);
1.1       kristaps 1538:
                   1539:        p->flags |= TERMP_NOSPACE;
                   1540:        term_word(p, "(");
                   1541:
1.86      kristaps 1542:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1543:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1544:                term_word(p, nn->string);
1.102     kristaps 1545:                term_fontpop(p);
                   1546:
1.86      kristaps 1547:                if (nn->next)
1.1       kristaps 1548:                        term_word(p, ",");
                   1549:        }
                   1550:
                   1551:        term_word(p, ")");
                   1552:
1.86      kristaps 1553:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1554:                term_word(p, ";");
                   1555:
                   1556:        return(0);
                   1557: }
                   1558:
                   1559:
                   1560: /* ARGSUSED */
                   1561: static void
                   1562: termp_fn_post(DECL_ARGS)
                   1563: {
                   1564:
1.122     kristaps 1565:        if (n->sec == SEC_SYNOPSIS && n->next && MDOC_LINE & n->flags)
1.1       kristaps 1566:                term_vspace(p);
                   1567: }
                   1568:
                   1569:
                   1570: /* ARGSUSED */
                   1571: static int
                   1572: termp_fa_pre(DECL_ARGS)
                   1573: {
1.86      kristaps 1574:        const struct mdoc_node  *nn;
1.1       kristaps 1575:
1.86      kristaps 1576:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1577:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1578:                return(1);
                   1579:        }
                   1580:
1.86      kristaps 1581:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1582:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1583:                term_word(p, nn->string);
1.102     kristaps 1584:                term_fontpop(p);
                   1585:
1.86      kristaps 1586:                if (nn->next)
1.1       kristaps 1587:                        term_word(p, ",");
                   1588:        }
                   1589:
1.86      kristaps 1590:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1591:                term_word(p, ",");
                   1592:
                   1593:        return(0);
                   1594: }
                   1595:
                   1596:
                   1597: /* ARGSUSED */
                   1598: static int
                   1599: termp_bd_pre(DECL_ARGS)
                   1600: {
1.129     schwarze 1601:        size_t                   tabwidth;
1.85      kristaps 1602:        int                      i, type;
1.119     kristaps 1603:        size_t                   rm, rmax;
1.85      kristaps 1604:        const struct mdoc_node  *nn;
1.1       kristaps 1605:
1.86      kristaps 1606:        if (MDOC_BLOCK == n->type) {
1.91      kristaps 1607:                print_bvspace(p, n, n);
1.54      kristaps 1608:                return(1);
1.116     kristaps 1609:        } else if (MDOC_HEAD == n->type)
                   1610:                return(0);
1.1       kristaps 1611:
1.86      kristaps 1612:        nn = n->parent;
1.11      kristaps 1613:
1.118     kristaps 1614:        type = arg_disptype(nn);
                   1615:        assert(-1 != type);
                   1616:
                   1617:        if (-1 != (i = arg_getattr(MDOC_Offset, nn)))
                   1618:                p->offset += a2offs(&nn->args->argv[i]);
1.85      kristaps 1619:
                   1620:        /*
                   1621:         * If -ragged or -filled are specified, the block does nothing
                   1622:         * but change the indentation.  If -unfilled or -literal are
                   1623:         * specified, text is printed exactly as entered in the display:
                   1624:         * for macro lines, a newline is appended to the line.  Blank
                   1625:         * lines are allowed.
                   1626:         */
1.60      kristaps 1627:
1.85      kristaps 1628:        if (MDOC_Literal != type && MDOC_Unfilled != type)
1.1       kristaps 1629:                return(1);
                   1630:
1.129     schwarze 1631:        tabwidth = p->tabwidth;
                   1632:        p->tabwidth = 8;
1.119     kristaps 1633:        rm = p->rmargin;
                   1634:        rmax = p->maxrmargin;
1.120     kristaps 1635:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1636:
1.86      kristaps 1637:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1638:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1639:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1640:                if (NULL == nn->prev ||
                   1641:                    nn->prev->line < nn->line ||
                   1642:                    NULL == nn->next)
1.87      kristaps 1643:                        term_flushln(p);
1.1       kristaps 1644:        }
1.129     schwarze 1645:        p->tabwidth = tabwidth;
1.1       kristaps 1646:
1.119     kristaps 1647:        p->rmargin = rm;
                   1648:        p->maxrmargin = rmax;
1.1       kristaps 1649:        return(0);
                   1650: }
                   1651:
                   1652:
                   1653: /* ARGSUSED */
                   1654: static void
                   1655: termp_bd_post(DECL_ARGS)
                   1656: {
1.118     kristaps 1657:        int              type;
1.119     kristaps 1658:        size_t           rm, rmax;
1.1       kristaps 1659:
1.86      kristaps 1660:        if (MDOC_BODY != n->type)
1.1       kristaps 1661:                return;
1.118     kristaps 1662:
                   1663:        type = arg_disptype(n->parent);
                   1664:        assert(-1 != type);
                   1665:
1.119     kristaps 1666:        rm = p->rmargin;
                   1667:        rmax = p->maxrmargin;
1.118     kristaps 1668:
                   1669:        if (MDOC_Literal == type || MDOC_Unfilled == type)
1.120     kristaps 1670:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1671:
1.60      kristaps 1672:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1673:        term_newln(p);
1.118     kristaps 1674:
1.119     kristaps 1675:        p->rmargin = rm;
                   1676:        p->maxrmargin = rmax;
1.1       kristaps 1677: }
                   1678:
                   1679:
                   1680: /* ARGSUSED */
                   1681: static int
                   1682: termp_qq_pre(DECL_ARGS)
                   1683: {
                   1684:
1.86      kristaps 1685:        if (MDOC_BODY != n->type)
1.1       kristaps 1686:                return(1);
                   1687:        term_word(p, "\"");
                   1688:        p->flags |= TERMP_NOSPACE;
                   1689:        return(1);
                   1690: }
                   1691:
                   1692:
                   1693: /* ARGSUSED */
                   1694: static void
                   1695: termp_qq_post(DECL_ARGS)
                   1696: {
                   1697:
1.86      kristaps 1698:        if (MDOC_BODY != n->type)
1.1       kristaps 1699:                return;
                   1700:        p->flags |= TERMP_NOSPACE;
                   1701:        term_word(p, "\"");
                   1702: }
                   1703:
                   1704:
                   1705: /* ARGSUSED */
                   1706: static void
                   1707: termp_bx_post(DECL_ARGS)
                   1708: {
                   1709:
1.86      kristaps 1710:        if (n->child)
1.1       kristaps 1711:                p->flags |= TERMP_NOSPACE;
                   1712:        term_word(p, "BSD");
                   1713: }
                   1714:
                   1715:
                   1716: /* ARGSUSED */
                   1717: static int
1.26      kristaps 1718: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1719: {
1.26      kristaps 1720:        const char      *pp;
1.1       kristaps 1721:
1.26      kristaps 1722:        pp = NULL;
1.86      kristaps 1723:        switch (n->tok) {
1.26      kristaps 1724:        case (MDOC_Bsx):
                   1725:                pp = "BSDI BSD/OS";
                   1726:                break;
                   1727:        case (MDOC_Dx):
1.100     kristaps 1728:                pp = "DragonFly";
1.26      kristaps 1729:                break;
                   1730:        case (MDOC_Fx):
                   1731:                pp = "FreeBSD";
                   1732:                break;
                   1733:        case (MDOC_Nx):
                   1734:                pp = "NetBSD";
                   1735:                break;
                   1736:        case (MDOC_Ox):
                   1737:                pp = "OpenBSD";
                   1738:                break;
                   1739:        case (MDOC_Ux):
                   1740:                pp = "UNIX";
                   1741:                break;
                   1742:        default:
                   1743:                break;
                   1744:        }
1.1       kristaps 1745:
1.26      kristaps 1746:        assert(pp);
                   1747:        term_word(p, pp);
1.1       kristaps 1748:        return(1);
                   1749: }
                   1750:
                   1751:
                   1752: /* ARGSUSED */
                   1753: static int
                   1754: termp_sq_pre(DECL_ARGS)
                   1755: {
                   1756:
1.86      kristaps 1757:        if (MDOC_BODY != n->type)
1.1       kristaps 1758:                return(1);
                   1759:        term_word(p, "\\(oq");
                   1760:        p->flags |= TERMP_NOSPACE;
                   1761:        return(1);
                   1762: }
                   1763:
                   1764:
                   1765: /* ARGSUSED */
                   1766: static void
                   1767: termp_sq_post(DECL_ARGS)
                   1768: {
                   1769:
1.86      kristaps 1770:        if (MDOC_BODY != n->type)
1.1       kristaps 1771:                return;
                   1772:        p->flags |= TERMP_NOSPACE;
                   1773:        term_word(p, "\\(aq");
                   1774: }
                   1775:
                   1776:
                   1777: /* ARGSUSED */
                   1778: static int
                   1779: termp_pf_pre(DECL_ARGS)
                   1780: {
                   1781:
                   1782:        p->flags |= TERMP_IGNDELIM;
                   1783:        return(1);
                   1784: }
                   1785:
                   1786:
                   1787: /* ARGSUSED */
                   1788: static void
                   1789: termp_pf_post(DECL_ARGS)
                   1790: {
                   1791:
                   1792:        p->flags &= ~TERMP_IGNDELIM;
                   1793:        p->flags |= TERMP_NOSPACE;
                   1794: }
                   1795:
                   1796:
                   1797: /* ARGSUSED */
                   1798: static int
                   1799: termp_ss_pre(DECL_ARGS)
                   1800: {
                   1801:
1.86      kristaps 1802:        switch (n->type) {
1.1       kristaps 1803:        case (MDOC_BLOCK):
                   1804:                term_newln(p);
1.86      kristaps 1805:                if (n->prev)
1.1       kristaps 1806:                        term_vspace(p);
                   1807:                break;
                   1808:        case (MDOC_HEAD):
1.102     kristaps 1809:                term_fontpush(p, TERMFONT_BOLD);
1.5       kristaps 1810:                p->offset = HALFINDENT;
1.1       kristaps 1811:                break;
                   1812:        default:
                   1813:                break;
                   1814:        }
                   1815:
                   1816:        return(1);
                   1817: }
                   1818:
                   1819:
                   1820: /* ARGSUSED */
                   1821: static void
                   1822: termp_ss_post(DECL_ARGS)
                   1823: {
                   1824:
1.86      kristaps 1825:        if (MDOC_HEAD == n->type)
1.1       kristaps 1826:                term_newln(p);
                   1827: }
                   1828:
                   1829:
                   1830: /* ARGSUSED */
                   1831: static int
                   1832: termp_cd_pre(DECL_ARGS)
                   1833: {
                   1834:
1.102     kristaps 1835:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1836:        term_newln(p);
                   1837:        return(1);
                   1838: }
                   1839:
                   1840:
                   1841: /* ARGSUSED */
                   1842: static int
                   1843: termp_in_pre(DECL_ARGS)
                   1844: {
                   1845:
1.102     kristaps 1846:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1847:        if (SEC_SYNOPSIS == n->sec)
1.22      kristaps 1848:                term_word(p, "#include");
                   1849:
1.1       kristaps 1850:        term_word(p, "<");
                   1851:        p->flags |= TERMP_NOSPACE;
                   1852:        return(1);
                   1853: }
                   1854:
                   1855:
                   1856: /* ARGSUSED */
                   1857: static void
                   1858: termp_in_post(DECL_ARGS)
                   1859: {
                   1860:
1.102     kristaps 1861:        term_fontpush(p, TERMFONT_BOLD);
1.79      kristaps 1862:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1863:        term_word(p, ">");
1.102     kristaps 1864:        term_fontpop(p);
1.1       kristaps 1865:
1.122     kristaps 1866:        if (SEC_SYNOPSIS != n->sec && ! (MDOC_LINE & n->flags))
1.1       kristaps 1867:                return;
1.22      kristaps 1868:
                   1869:        term_newln(p);
                   1870:        /*
                   1871:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1872:         * the SYNOPSIS section, then it produces a single break after
                   1873:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1874:         * construction is rarely used, I think it's fine.
                   1875:         */
1.86      kristaps 1876:        if (n->next && MDOC_In != n->next->tok)
1.1       kristaps 1877:                term_vspace(p);
                   1878: }
                   1879:
                   1880:
                   1881: /* ARGSUSED */
                   1882: static int
1.45      kristaps 1883: termp_sp_pre(DECL_ARGS)
                   1884: {
1.91      kristaps 1885:        size_t           i, len;
1.45      kristaps 1886:
1.86      kristaps 1887:        switch (n->tok) {
1.76      kristaps 1888:        case (MDOC_sp):
1.96      kristaps 1889:                len = n->child ? a2height(n->child) : 1;
1.76      kristaps 1890:                break;
                   1891:        case (MDOC_br):
                   1892:                len = 0;
                   1893:                break;
                   1894:        default:
                   1895:                len = 1;
                   1896:                break;
1.45      kristaps 1897:        }
                   1898:
                   1899:        if (0 == len)
                   1900:                term_newln(p);
                   1901:        for (i = 0; i < len; i++)
                   1902:                term_vspace(p);
                   1903:
                   1904:        return(0);
                   1905: }
                   1906:
                   1907:
                   1908: /* ARGSUSED */
                   1909: static int
1.1       kristaps 1910: termp_brq_pre(DECL_ARGS)
                   1911: {
                   1912:
1.86      kristaps 1913:        if (MDOC_BODY != n->type)
1.1       kristaps 1914:                return(1);
                   1915:        term_word(p, "\\(lC");
                   1916:        p->flags |= TERMP_NOSPACE;
                   1917:        return(1);
                   1918: }
                   1919:
                   1920:
                   1921: /* ARGSUSED */
                   1922: static void
                   1923: termp_brq_post(DECL_ARGS)
                   1924: {
                   1925:
1.86      kristaps 1926:        if (MDOC_BODY != n->type)
1.1       kristaps 1927:                return;
                   1928:        p->flags |= TERMP_NOSPACE;
                   1929:        term_word(p, "\\(rC");
                   1930: }
                   1931:
                   1932:
                   1933: /* ARGSUSED */
                   1934: static int
                   1935: termp_bq_pre(DECL_ARGS)
                   1936: {
                   1937:
1.86      kristaps 1938:        if (MDOC_BODY != n->type)
1.1       kristaps 1939:                return(1);
                   1940:        term_word(p, "\\(lB");
                   1941:        p->flags |= TERMP_NOSPACE;
                   1942:        return(1);
                   1943: }
                   1944:
                   1945:
                   1946: /* ARGSUSED */
                   1947: static void
                   1948: termp_bq_post(DECL_ARGS)
                   1949: {
                   1950:
1.86      kristaps 1951:        if (MDOC_BODY != n->type)
1.1       kristaps 1952:                return;
                   1953:        p->flags |= TERMP_NOSPACE;
                   1954:        term_word(p, "\\(rB");
                   1955: }
                   1956:
                   1957:
                   1958: /* ARGSUSED */
                   1959: static int
                   1960: termp_pq_pre(DECL_ARGS)
                   1961: {
                   1962:
1.86      kristaps 1963:        if (MDOC_BODY != n->type)
1.1       kristaps 1964:                return(1);
                   1965:        term_word(p, "\\&(");
                   1966:        p->flags |= TERMP_NOSPACE;
                   1967:        return(1);
                   1968: }
                   1969:
                   1970:
                   1971: /* ARGSUSED */
                   1972: static void
                   1973: termp_pq_post(DECL_ARGS)
                   1974: {
                   1975:
1.86      kristaps 1976:        if (MDOC_BODY != n->type)
1.1       kristaps 1977:                return;
                   1978:        term_word(p, ")");
                   1979: }
                   1980:
                   1981:
                   1982: /* ARGSUSED */
                   1983: static int
                   1984: termp_fo_pre(DECL_ARGS)
                   1985: {
1.86      kristaps 1986:        const struct mdoc_node *nn;
1.1       kristaps 1987:
1.86      kristaps 1988:        if (MDOC_BODY == n->type) {
1.33      kristaps 1989:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1990:                term_word(p, "(");
                   1991:                p->flags |= TERMP_NOSPACE;
                   1992:                return(1);
1.86      kristaps 1993:        } else if (MDOC_HEAD != n->type)
1.1       kristaps 1994:                return(1);
                   1995:
1.102     kristaps 1996:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1997:        for (nn = n->child; nn; nn = nn->next) {
                   1998:                assert(MDOC_TEXT == nn->type);
                   1999:                term_word(p, nn->string);
1.1       kristaps 2000:        }
1.102     kristaps 2001:        term_fontpop(p);
1.1       kristaps 2002:
                   2003:        return(0);
                   2004: }
                   2005:
                   2006:
                   2007: /* ARGSUSED */
                   2008: static void
                   2009: termp_fo_post(DECL_ARGS)
                   2010: {
                   2011:
1.86      kristaps 2012:        if (MDOC_BODY != n->type)
1.1       kristaps 2013:                return;
                   2014:        p->flags |= TERMP_NOSPACE;
                   2015:        term_word(p, ")");
                   2016:        p->flags |= TERMP_NOSPACE;
                   2017:        term_word(p, ";");
                   2018:        term_newln(p);
                   2019: }
                   2020:
                   2021:
                   2022: /* ARGSUSED */
                   2023: static int
                   2024: termp_bf_pre(DECL_ARGS)
                   2025: {
1.86      kristaps 2026:        const struct mdoc_node  *nn;
1.1       kristaps 2027:
1.86      kristaps 2028:        if (MDOC_HEAD == n->type)
1.1       kristaps 2029:                return(0);
1.86      kristaps 2030:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2031:                return(1);
                   2032:
1.86      kristaps 2033:        if (NULL == (nn = n->head->child)) {
                   2034:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2035:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2036:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2037:                        term_fontpush(p, TERMFONT_BOLD);
                   2038:                else
                   2039:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2040:
                   2041:                return(1);
                   2042:        }
                   2043:
1.86      kristaps 2044:        assert(MDOC_TEXT == nn->type);
                   2045:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2046:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2047:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2048:                term_fontpush(p, TERMFONT_BOLD);
                   2049:        else
                   2050:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2051:
                   2052:        return(1);
                   2053: }
                   2054:
                   2055:
                   2056: /* ARGSUSED */
                   2057: static int
                   2058: termp_sm_pre(DECL_ARGS)
                   2059: {
                   2060:
1.86      kristaps 2061:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2062:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2063:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2064:        else
1.1       kristaps 2065:                p->flags |= TERMP_NONOSPACE;
                   2066:
                   2067:        return(0);
                   2068: }
                   2069:
                   2070:
                   2071: /* ARGSUSED */
                   2072: static int
                   2073: termp_ap_pre(DECL_ARGS)
                   2074: {
                   2075:
                   2076:        p->flags |= TERMP_NOSPACE;
                   2077:        term_word(p, "\\(aq");
                   2078:        p->flags |= TERMP_NOSPACE;
                   2079:        return(1);
                   2080: }
                   2081:
                   2082:
                   2083: /* ARGSUSED */
                   2084: static void
                   2085: termp____post(DECL_ARGS)
                   2086: {
                   2087:
1.95      kristaps 2088:        /* TODO: %U. */
                   2089:
1.1       kristaps 2090:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2091:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2092: }
                   2093:
                   2094:
                   2095: /* ARGSUSED */
                   2096: static int
1.102     kristaps 2097: termp_li_pre(DECL_ARGS)
                   2098: {
                   2099:
                   2100:        term_fontpush(p, TERMFONT_NONE);
                   2101:        return(1);
                   2102: }
                   2103:
                   2104:
                   2105: /* ARGSUSED */
                   2106: static int
1.1       kristaps 2107: termp_lk_pre(DECL_ARGS)
                   2108: {
1.86      kristaps 2109:        const struct mdoc_node *nn;
1.1       kristaps 2110:
1.102     kristaps 2111:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2112:        nn = n->child;
                   2113:
                   2114:        if (NULL == nn->next)
1.12      kristaps 2115:                return(1);
                   2116:
1.86      kristaps 2117:        term_word(p, nn->string);
1.102     kristaps 2118:        term_fontpop(p);
1.96      kristaps 2119:
1.1       kristaps 2120:        p->flags |= TERMP_NOSPACE;
                   2121:        term_word(p, ":");
                   2122:
1.102     kristaps 2123:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2124:        for (nn = nn->next; nn; nn = nn->next)
                   2125:                term_word(p, nn->string);
1.102     kristaps 2126:        term_fontpop(p);
1.12      kristaps 2127:
1.1       kristaps 2128:        return(0);
                   2129: }
                   2130:
                   2131:
                   2132: /* ARGSUSED */
                   2133: static int
1.69      kristaps 2134: termp_under_pre(DECL_ARGS)
1.1       kristaps 2135: {
                   2136:
1.102     kristaps 2137:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2138:        return(1);
                   2139: }

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