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Annotation of mandoc/mdoc_term.c, Revision 1.21

1.21    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.20 2009/07/04 11:07:34 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
                     29: /* FIXME: macro arguments can be escaped. */
                     30: /* FIXME: support more offset/width tokens. */
                     31:
                     32: #define        TTYPE_PROG        0
                     33: #define        TTYPE_CMD_FLAG    1
                     34: #define        TTYPE_CMD_ARG     2
                     35: #define        TTYPE_SECTION     3
                     36: #define        TTYPE_FUNC_DECL   4
                     37: #define        TTYPE_VAR_DECL    5
                     38: #define        TTYPE_FUNC_TYPE   6
                     39: #define        TTYPE_FUNC_NAME   7
                     40: #define        TTYPE_FUNC_ARG    8
                     41: #define        TTYPE_LINK        9
                     42: #define        TTYPE_SSECTION    10
                     43: #define        TTYPE_FILE        11
                     44: #define        TTYPE_EMPH        12
                     45: #define        TTYPE_CONFIG      13
                     46: #define        TTYPE_CMD         14
                     47: #define        TTYPE_INCLUDE     15
                     48: #define        TTYPE_SYMB        16
                     49: #define        TTYPE_SYMBOL      17
                     50: #define        TTYPE_DIAG        18
                     51: #define        TTYPE_LINK_ANCHOR 19
                     52: #define        TTYPE_LINK_TEXT   20
                     53: #define        TTYPE_REF_JOURNAL 21
                     54: #define        TTYPE_LIST        22
                     55: #define        TTYPE_NMAX        23
                     56:
                     57: const  int ttypes[TTYPE_NMAX] = {
                     58:        TERMP_BOLD,             /* TTYPE_PROG */
                     59:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     60:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     61:        TERMP_BOLD,             /* TTYPE_SECTION */
                     62:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     63:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     64:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     65:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     66:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     67:        TERMP_UNDER,            /* TTYPE_LINK */
                     68:        TERMP_BOLD,             /* TTYPE_SSECTION */
                     69:        TERMP_UNDER,            /* TTYPE_FILE */
                     70:        TERMP_UNDER,            /* TTYPE_EMPH */
                     71:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     72:        TERMP_BOLD,             /* TTYPE_CMD */
                     73:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     74:        TERMP_BOLD,             /* TTYPE_SYMB */
                     75:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     76:        TERMP_BOLD,             /* TTYPE_DIAG */
                     77:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     78:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     79:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
                     80:        TERMP_BOLD              /* TTYPE_LIST */
                     81: };
                     82:
                     83: /* XXX - clean this up. */
                     84:
                     85: struct termpair {
                     86:        struct termpair  *ppair;
                     87:        int               type;
                     88: #define        TERMPAIR_FLAG    (1 << 0)
1.10      kristaps   89:        int               flag;         /* Whether being used. */
                     90:        size_t            offset;       /* Left margin. */
                     91:        size_t            rmargin;      /* Right margin. */
                     92:        int               count;        /* Enum count. */
1.1       kristaps   93: };
                     94:
                     95: #define        TERMPAIR_SETFLAG(termp, p, fl) \
                     96:        do { \
                     97:                assert(! (TERMPAIR_FLAG & (p)->type)); \
                     98:                (termp)->flags |= (fl); \
                     99:                (p)->flag = (fl); \
                    100:                (p)->type |= TERMPAIR_FLAG; \
                    101:        } while ( /* CONSTCOND */ 0)
                    102:
                    103: #define        DECL_ARGS \
                    104:        struct termp *p, struct termpair *pair, \
                    105:        const struct mdoc_meta *meta, \
                    106:        const struct mdoc_node *node
                    107:
                    108: #define        DECL_PRE(name) \
                    109: static int               name##_pre(DECL_ARGS)
                    110: #define        DECL_POST(name) \
                    111: static void              name##_post(DECL_ARGS)
                    112: #define        DECL_PREPOST(name) \
                    113: DECL_PRE(name); \
                    114: DECL_POST(name);
                    115:
                    116: DECL_PREPOST(termp__t);
                    117: DECL_PREPOST(termp_aq);
                    118: DECL_PREPOST(termp_bd);
                    119: DECL_PREPOST(termp_bq);
                    120: DECL_PREPOST(termp_brq);
                    121: DECL_PREPOST(termp_d1);
                    122: DECL_PREPOST(termp_dq);
                    123: DECL_PREPOST(termp_fd);
                    124: DECL_PREPOST(termp_fn);
                    125: DECL_PREPOST(termp_fo);
                    126: DECL_PREPOST(termp_ft);
                    127: DECL_PREPOST(termp_in);
                    128: DECL_PREPOST(termp_it);
                    129: DECL_PREPOST(termp_lb);
                    130: DECL_PREPOST(termp_op);
                    131: DECL_PREPOST(termp_pf);
                    132: DECL_PREPOST(termp_pq);
                    133: DECL_PREPOST(termp_qq);
                    134: DECL_PREPOST(termp_sh);
                    135: DECL_PREPOST(termp_ss);
                    136: DECL_PREPOST(termp_sq);
                    137: DECL_PREPOST(termp_vt);
                    138:
                    139: DECL_PRE(termp__j);
                    140: DECL_PRE(termp_ap);
                    141: DECL_PRE(termp_ar);
                    142: DECL_PRE(termp_at);
                    143: DECL_PRE(termp_bf);
                    144: DECL_PRE(termp_bsx);
                    145: DECL_PRE(termp_bt);
                    146: DECL_PRE(termp_cd);
                    147: DECL_PRE(termp_cm);
                    148: DECL_PRE(termp_dx);
                    149: DECL_PRE(termp_em);
                    150: DECL_PRE(termp_ex);
                    151: DECL_PRE(termp_fa);
                    152: DECL_PRE(termp_fl);
                    153: DECL_PRE(termp_fx);
                    154: DECL_PRE(termp_ic);
                    155: DECL_PRE(termp_lk);
                    156: DECL_PRE(termp_ms);
                    157: DECL_PRE(termp_mt);
                    158: DECL_PRE(termp_nd);
                    159: DECL_PRE(termp_nm);
                    160: DECL_PRE(termp_ns);
                    161: DECL_PRE(termp_nx);
                    162: DECL_PRE(termp_ox);
                    163: DECL_PRE(termp_pa);
                    164: DECL_PRE(termp_pp);
                    165: DECL_PRE(termp_rs);
                    166: DECL_PRE(termp_rv);
                    167: DECL_PRE(termp_sm);
                    168: DECL_PRE(termp_st);
                    169: DECL_PRE(termp_sx);
                    170: DECL_PRE(termp_sy);
                    171: DECL_PRE(termp_ud);
                    172: DECL_PRE(termp_ux);
                    173: DECL_PRE(termp_va);
                    174: DECL_PRE(termp_xr);
                    175:
                    176: DECL_POST(termp___);
                    177: DECL_POST(termp_bl);
                    178: DECL_POST(termp_bx);
                    179:
                    180: struct termact {
                    181:        int     (*pre)(DECL_ARGS);
                    182:        void    (*post)(DECL_ARGS);
                    183: };
                    184:
                    185: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  186:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  187:        { NULL, NULL }, /* Dd */
                    188:        { NULL, NULL }, /* Dt */
                    189:        { NULL, NULL }, /* Os */
                    190:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    191:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    192:        { termp_pp_pre, NULL }, /* Pp */
                    193:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    194:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    195:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    196:        { NULL, NULL }, /* Ed */
                    197:        { NULL, termp_bl_post }, /* Bl */
                    198:        { NULL, NULL }, /* El */
                    199:        { termp_it_pre, termp_it_post }, /* It */
                    200:        { NULL, NULL }, /* Ad */
                    201:        { NULL, NULL }, /* An */
                    202:        { termp_ar_pre, NULL }, /* Ar */
                    203:        { termp_cd_pre, NULL }, /* Cd */
                    204:        { termp_cm_pre, NULL }, /* Cm */
                    205:        { NULL, NULL }, /* Dv */
                    206:        { NULL, NULL }, /* Er */
                    207:        { NULL, NULL }, /* Ev */
                    208:        { termp_ex_pre, NULL }, /* Ex */
                    209:        { termp_fa_pre, NULL }, /* Fa */
                    210:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    211:        { termp_fl_pre, NULL }, /* Fl */
                    212:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    213:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    214:        { termp_ic_pre, NULL }, /* Ic */
                    215:        { termp_in_pre, termp_in_post }, /* In */
                    216:        { NULL, NULL }, /* Li */
                    217:        { termp_nd_pre, NULL }, /* Nd */
                    218:        { termp_nm_pre, NULL }, /* Nm */
                    219:        { termp_op_pre, termp_op_post }, /* Op */
                    220:        { NULL, NULL }, /* Ot */
                    221:        { termp_pa_pre, NULL }, /* Pa */
                    222:        { termp_rv_pre, NULL }, /* Rv */
                    223:        { termp_st_pre, NULL }, /* St */
                    224:        { termp_va_pre, NULL }, /* Va */
                    225:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    226:        { termp_xr_pre, NULL }, /* Xr */
                    227:        { NULL, termp____post }, /* %A */
                    228:        { NULL, termp____post }, /* %B */
                    229:        { NULL, termp____post }, /* %D */
                    230:        { NULL, termp____post }, /* %I */
                    231:        { termp__j_pre, termp____post }, /* %J */
                    232:        { NULL, termp____post }, /* %N */
                    233:        { NULL, termp____post }, /* %O */
                    234:        { NULL, termp____post }, /* %P */
                    235:        { NULL, termp____post }, /* %R */
                    236:        { termp__t_pre, termp__t_post }, /* %T */
                    237:        { NULL, termp____post }, /* %V */
                    238:        { NULL, NULL }, /* Ac */
                    239:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    240:        { termp_aq_pre, termp_aq_post }, /* Aq */
                    241:        { termp_at_pre, NULL }, /* At */
                    242:        { NULL, NULL }, /* Bc */
                    243:        { termp_bf_pre, NULL }, /* Bf */
                    244:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    245:        { termp_bq_pre, termp_bq_post }, /* Bq */
                    246:        { termp_bsx_pre, NULL }, /* Bsx */
                    247:        { NULL, termp_bx_post }, /* Bx */
                    248:        { NULL, NULL }, /* Db */
                    249:        { NULL, NULL }, /* Dc */
                    250:        { termp_dq_pre, termp_dq_post }, /* Do */
                    251:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    252:        { NULL, NULL }, /* Ec */
                    253:        { NULL, NULL }, /* Ef */
                    254:        { termp_em_pre, NULL }, /* Em */
                    255:        { NULL, NULL }, /* Eo */
                    256:        { termp_fx_pre, NULL }, /* Fx */
                    257:        { termp_ms_pre, NULL }, /* Ms */
                    258:        { NULL, NULL }, /* No */
                    259:        { termp_ns_pre, NULL }, /* Ns */
                    260:        { termp_nx_pre, NULL }, /* Nx */
                    261:        { termp_ox_pre, NULL }, /* Ox */
                    262:        { NULL, NULL }, /* Pc */
                    263:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    264:        { termp_pq_pre, termp_pq_post }, /* Po */
                    265:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    266:        { NULL, NULL }, /* Qc */
                    267:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    268:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    269:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    270:        { NULL, NULL }, /* Re */
                    271:        { termp_rs_pre, NULL }, /* Rs */
                    272:        { NULL, NULL }, /* Sc */
                    273:        { termp_sq_pre, termp_sq_post }, /* So */
                    274:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    275:        { termp_sm_pre, NULL }, /* Sm */
                    276:        { termp_sx_pre, NULL }, /* Sx */
                    277:        { termp_sy_pre, NULL }, /* Sy */
                    278:        { NULL, NULL }, /* Tn */
                    279:        { termp_ux_pre, NULL }, /* Ux */
                    280:        { NULL, NULL }, /* Xc */
                    281:        { NULL, NULL }, /* Xo */
                    282:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    283:        { NULL, NULL }, /* Fc */
                    284:        { termp_op_pre, termp_op_post }, /* Oo */
                    285:        { NULL, NULL }, /* Oc */
                    286:        { NULL, NULL }, /* Bk */
                    287:        { NULL, NULL }, /* Ek */
                    288:        { termp_bt_pre, NULL }, /* Bt */
                    289:        { NULL, NULL }, /* Hf */
                    290:        { NULL, NULL }, /* Fr */
                    291:        { termp_ud_pre, NULL }, /* Ud */
                    292:        { termp_lb_pre, termp_lb_post }, /* Lb */
1.14      kristaps  293:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  294:        { termp_lk_pre, NULL }, /* Lk */
                    295:        { termp_mt_pre, NULL }, /* Mt */
                    296:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    297:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    298:        { NULL, NULL }, /* Brc */
                    299:        { NULL, NULL }, /* %C */
                    300:        { NULL, NULL }, /* Es */
                    301:        { NULL, NULL }, /* En */
                    302:        { termp_dx_pre, NULL }, /* Dx */
                    303:        { NULL, NULL }, /* %Q */
                    304: };
                    305:
1.2       kristaps  306: #ifdef __linux__
1.9       kristaps  307: extern size_t    strlcpy(char *, const char *, size_t);
                    308: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  309: #endif
                    310:
1.1       kristaps  311: static int       arg_hasattr(int, const struct mdoc_node *);
                    312: static int       arg_getattrs(const int *, int *, size_t,
                    313:                        const struct mdoc_node *);
                    314: static int       arg_getattr(int, const struct mdoc_node *);
                    315: static size_t    arg_offset(const struct mdoc_argv *);
                    316: static size_t    arg_width(const struct mdoc_argv *, int);
                    317: static int       arg_listtype(const struct mdoc_node *);
                    318: static int       fmt_block_vspace(struct termp *,
                    319:                        const struct mdoc_node *,
                    320:                        const struct mdoc_node *);
1.3       kristaps  321: static void      print_node(DECL_ARGS);
                    322: static void      print_head(struct termp *,
1.1       kristaps  323:                        const struct mdoc_meta *);
1.3       kristaps  324: static void      print_body(DECL_ARGS);
                    325: static void      print_foot(struct termp *,
1.1       kristaps  326:                        const struct mdoc_meta *);
                    327:
                    328:
                    329: int
                    330: mdoc_run(struct termp *p, const struct mdoc *m)
                    331: {
1.9       kristaps  332:        /*
                    333:         * Main output function.  When this is called, assume that the
                    334:         * tree is properly formed.
                    335:         */
1.1       kristaps  336:
1.3       kristaps  337:        print_head(p, mdoc_meta(m));
1.14      kristaps  338:        assert(mdoc_node(m));
                    339:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    340:        if (mdoc_node(m)->child)
                    341:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  342:        print_foot(p, mdoc_meta(m));
                    343:        return(1);
1.1       kristaps  344: }
                    345:
                    346:
1.3       kristaps  347: static void
1.1       kristaps  348: print_body(DECL_ARGS)
                    349: {
                    350:
1.3       kristaps  351:        print_node(p, pair, meta, node);
1.1       kristaps  352:        if ( ! node->next)
1.3       kristaps  353:                return;
                    354:        print_body(p, pair, meta, node->next);
1.1       kristaps  355: }
                    356:
                    357:
1.3       kristaps  358: static void
1.1       kristaps  359: print_node(DECL_ARGS)
                    360: {
                    361:        int              dochild;
                    362:        struct termpair  npair;
                    363:
                    364:        /* Pre-processing. */
                    365:
                    366:        dochild = 1;
                    367:        npair.ppair = pair;
                    368:        npair.type = 0;
                    369:        npair.offset = npair.rmargin = 0;
                    370:        npair.flag = 0;
                    371:        npair.count = 0;
                    372:
                    373:        if (MDOC_TEXT != node->type) {
                    374:                if (termacts[node->tok].pre)
                    375:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    376:                                dochild = 0;
                    377:        } else /* MDOC_TEXT == node->type */
                    378:                term_word(p, node->string);
                    379:
                    380:        /* Children. */
                    381:
                    382:        if (TERMPAIR_FLAG & npair.type)
                    383:                p->flags |= npair.flag;
                    384:
                    385:        if (dochild && node->child)
                    386:                print_body(p, &npair, meta, node->child);
                    387:
                    388:        if (TERMPAIR_FLAG & npair.type)
                    389:                p->flags &= ~npair.flag;
                    390:
                    391:        /* Post-processing. */
                    392:
                    393:        if (MDOC_TEXT != node->type)
                    394:                if (termacts[node->tok].post)
                    395:                        (*termacts[node->tok].post)(p, &npair, meta, node);
                    396: }
                    397:
                    398:
1.3       kristaps  399: static void
1.1       kristaps  400: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    401: {
                    402:        struct tm       *tm;
                    403:        char            *buf, *os;
                    404:
1.9       kristaps  405:        /*
                    406:         * Output the footer in new-groff style, that is, three columns
                    407:         * with the middle being the manual date and flanking columns
                    408:         * being the operating system:
                    409:         *
                    410:         * SYSTEM                  DATE                    SYSTEM
                    411:         */
                    412:
1.1       kristaps  413:        if (NULL == (buf = malloc(p->rmargin)))
                    414:                err(1, "malloc");
                    415:        if (NULL == (os = malloc(p->rmargin)))
                    416:                err(1, "malloc");
                    417:
                    418:        tm = localtime(&meta->date);
                    419:
                    420:        if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
                    421:                err(1, "strftime");
                    422:
                    423:        (void)strlcpy(os, meta->os, p->rmargin);
                    424:
                    425:        term_vspace(p);
                    426:
1.9       kristaps  427:        p->offset = 0;
                    428:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  429:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    430:
                    431:        term_word(p, os);
                    432:        term_flushln(p);
                    433:
1.9       kristaps  434:        p->offset = p->rmargin;
                    435:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  436:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  437:
                    438:        term_word(p, buf);
                    439:        term_flushln(p);
                    440:
1.1       kristaps  441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
                    443:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  444:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  445:
1.9       kristaps  446:        term_word(p, os);
1.1       kristaps  447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
                    450:        p->rmargin = p->maxrmargin;
                    451:        p->flags = 0;
                    452:
1.1       kristaps  453:        free(buf);
                    454:        free(os);
                    455: }
                    456:
                    457:
1.3       kristaps  458: static void
1.1       kristaps  459: print_head(struct termp *p, const struct mdoc_meta *meta)
                    460: {
                    461:        char            *buf, *title;
                    462:
                    463:        p->rmargin = p->maxrmargin;
                    464:        p->offset = 0;
                    465:
                    466:        if (NULL == (buf = malloc(p->rmargin)))
                    467:                err(1, "malloc");
                    468:        if (NULL == (title = malloc(p->rmargin)))
                    469:                err(1, "malloc");
                    470:
                    471:        /*
                    472:         * The header is strange.  It has three components, which are
                    473:         * really two with the first duplicated.  It goes like this:
                    474:         *
                    475:         * IDENTIFIER              TITLE                   IDENTIFIER
                    476:         *
                    477:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    478:         * (if given, or "unknown" if not) followed by the manual page
                    479:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    480:         * string depending on the manual volume.  If not specified, it
                    481:         * switches on the manual section.
                    482:         */
                    483:
                    484:        assert(meta->vol);
                    485:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    486:
                    487:        if (meta->arch) {
                    488:                (void)strlcat(buf, " (", p->rmargin);
                    489:                (void)strlcat(buf, meta->arch, p->rmargin);
                    490:                (void)strlcat(buf, ")", p->rmargin);
                    491:        }
                    492:
                    493:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    494:                        meta->title, meta->msec);
                    495:
                    496:        p->offset = 0;
1.8       kristaps  497:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  498:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    499:
                    500:        term_word(p, title);
                    501:        term_flushln(p);
                    502:
                    503:        p->offset = p->rmargin;
                    504:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  505:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  506:
                    507:        term_word(p, buf);
                    508:        term_flushln(p);
                    509:
                    510:        p->offset = p->rmargin;
                    511:        p->rmargin = p->maxrmargin;
                    512:        p->flags &= ~TERMP_NOBREAK;
                    513:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    514:
                    515:        term_word(p, title);
                    516:        term_flushln(p);
                    517:
1.9       kristaps  518:        p->offset = 0;
1.1       kristaps  519:        p->rmargin = p->maxrmargin;
                    520:        p->flags &= ~TERMP_NOSPACE;
                    521:
                    522:        free(title);
                    523:        free(buf);
                    524: }
                    525:
                    526:
                    527: static size_t
                    528: arg_width(const struct mdoc_argv *arg, int pos)
                    529: {
                    530:        size_t           v;
                    531:        int              i, len;
                    532:
                    533:        assert(pos < (int)arg->sz && pos >= 0);
                    534:        assert(arg->value[pos]);
                    535:
                    536:        if (0 == (len = (int)strlen(arg->value[pos])))
                    537:                return(0);
                    538:
                    539:        for (i = 0; i < len - 1; i++)
                    540:                if ( ! isdigit((u_char)arg->value[pos][i]))
                    541:                        break;
                    542:
                    543:        if (i == len - 1) {
1.16      kristaps  544:                if ('n' == arg->value[pos][len - 1] ||
                    545:                                'm' == arg->value[pos][len - 1]) {
1.1       kristaps  546:                        v = (size_t)atoi(arg->value[pos]);
1.16      kristaps  547:                        return(v + 2);
1.1       kristaps  548:                }
                    549:
                    550:        }
1.16      kristaps  551:        return(strlen(arg->value[pos]) + 2);
1.1       kristaps  552: }
                    553:
                    554:
                    555: static int
                    556: arg_listtype(const struct mdoc_node *n)
                    557: {
                    558:        int              i, len;
                    559:
                    560:        assert(MDOC_BLOCK == n->type);
                    561:
                    562:        len = (int)(n->args ? n->args->argc : 0);
                    563:
                    564:        for (i = 0; i < len; i++)
                    565:                switch (n->args->argv[i].arg) {
                    566:                case (MDOC_Bullet):
                    567:                        /* FALLTHROUGH */
                    568:                case (MDOC_Dash):
                    569:                        /* FALLTHROUGH */
                    570:                case (MDOC_Enum):
                    571:                        /* FALLTHROUGH */
                    572:                case (MDOC_Hyphen):
                    573:                        /* FALLTHROUGH */
                    574:                case (MDOC_Tag):
                    575:                        /* FALLTHROUGH */
                    576:                case (MDOC_Inset):
                    577:                        /* FALLTHROUGH */
                    578:                case (MDOC_Diag):
                    579:                        /* FALLTHROUGH */
                    580:                case (MDOC_Item):
                    581:                        /* FALLTHROUGH */
                    582:                case (MDOC_Column):
                    583:                        /* FALLTHROUGH */
                    584:                case (MDOC_Ohang):
                    585:                        return(n->args->argv[i].arg);
                    586:                default:
                    587:                        break;
                    588:                }
                    589:
1.11      kristaps  590:        /* FIXME: mandated by parser. */
                    591:
1.1       kristaps  592:        errx(1, "list type not supported");
                    593:        /* NOTREACHED */
                    594: }
                    595:
                    596:
                    597: static size_t
                    598: arg_offset(const struct mdoc_argv *arg)
                    599: {
                    600:
                    601:        assert(*arg->value);
1.10      kristaps  602:        if (0 == strcmp(*arg->value, "left"))
1.19      kristaps  603:                return(0);
1.1       kristaps  604:        if (0 == strcmp(*arg->value, "indent"))
1.16      kristaps  605:                return(INDENT + 1);
1.1       kristaps  606:        if (0 == strcmp(*arg->value, "indent-two"))
1.20      kristaps  607:                return((INDENT + 1) * 2);
1.10      kristaps  608:
                    609:        /* FIXME: needs to support field-widths (10n, etc.). */
1.11      kristaps  610:
1.1       kristaps  611:        return(strlen(*arg->value));
                    612: }
                    613:
                    614:
                    615: static int
                    616: arg_hasattr(int arg, const struct mdoc_node *n)
                    617: {
                    618:
                    619:        return(-1 != arg_getattr(arg, n));
                    620: }
                    621:
                    622:
                    623: static int
                    624: arg_getattr(int v, const struct mdoc_node *n)
                    625: {
                    626:        int              val;
                    627:
                    628:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    629: }
                    630:
                    631:
                    632: static int
                    633: arg_getattrs(const int *keys, int *vals,
                    634:                size_t sz, const struct mdoc_node *n)
                    635: {
                    636:        int              i, j, k;
                    637:
                    638:        if (NULL == n->args)
                    639:                return(0);
                    640:
                    641:        for (k = i = 0; i < (int)n->args->argc; i++)
                    642:                for (j = 0; j < (int)sz; j++)
                    643:                        if (n->args->argv[i].arg == keys[j]) {
                    644:                                vals[j] = i;
                    645:                                k++;
                    646:                        }
                    647:        return(k);
                    648: }
                    649:
                    650:
                    651: /* ARGSUSED */
                    652: static int
                    653: fmt_block_vspace(struct termp *p,
                    654:                const struct mdoc_node *bl,
                    655:                const struct mdoc_node *node)
                    656: {
                    657:        const struct mdoc_node *n;
                    658:
                    659:        term_newln(p);
                    660:
                    661:        if (arg_hasattr(MDOC_Compact, bl))
                    662:                return(1);
                    663:
                    664:        for (n = node; n; n = n->parent) {
                    665:                if (MDOC_BLOCK != n->type)
                    666:                        continue;
                    667:                if (MDOC_Ss == n->tok)
                    668:                        break;
                    669:                if (MDOC_Sh == n->tok)
                    670:                        break;
                    671:                if (NULL == n->prev)
                    672:                        continue;
                    673:                term_vspace(p);
                    674:                break;
                    675:        }
                    676:
                    677:        return(1);
                    678: }
                    679:
                    680:
                    681: /* ARGSUSED */
                    682: static int
                    683: termp_dq_pre(DECL_ARGS)
                    684: {
                    685:
                    686:        if (MDOC_BODY != node->type)
                    687:                return(1);
                    688:
                    689:        term_word(p, "\\(lq");
                    690:        p->flags |= TERMP_NOSPACE;
                    691:        return(1);
                    692: }
                    693:
                    694:
                    695: /* ARGSUSED */
                    696: static void
                    697: termp_dq_post(DECL_ARGS)
                    698: {
                    699:
                    700:        if (MDOC_BODY != node->type)
                    701:                return;
                    702:
                    703:        p->flags |= TERMP_NOSPACE;
                    704:        term_word(p, "\\(rq");
                    705: }
                    706:
                    707:
                    708: /* ARGSUSED */
                    709: static int
                    710: termp_it_pre(DECL_ARGS)
                    711: {
                    712:        const struct mdoc_node *bl, *n;
                    713:        char                    buf[7];
1.15      kristaps  714:        int                     i, type, keys[3], vals[3], sv;
1.1       kristaps  715:        size_t                  width, offset;
                    716:
                    717:        if (MDOC_BLOCK == node->type)
                    718:                return(fmt_block_vspace(p, node->parent->parent, node));
                    719:
                    720:        bl = node->parent->parent->parent;
                    721:
                    722:        /* Save parent attributes. */
                    723:
                    724:        pair->offset = p->offset;
                    725:        pair->rmargin = p->rmargin;
                    726:        pair->flag = p->flags;
                    727:
                    728:        /* Get list width and offset. */
                    729:
                    730:        keys[0] = MDOC_Width;
                    731:        keys[1] = MDOC_Offset;
                    732:        keys[2] = MDOC_Column;
                    733:
                    734:        vals[0] = vals[1] = vals[2] = -1;
                    735:
                    736:        width = offset = 0;
                    737:
                    738:        (void)arg_getattrs(keys, vals, 3, bl);
                    739:
                    740:        type = arg_listtype(bl);
                    741:
                    742:        /* Calculate real width and offset. */
                    743:
                    744:        switch (type) {
                    745:        case (MDOC_Column):
                    746:                if (MDOC_BODY == node->type)
                    747:                        break;
                    748:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    749:                        offset += arg_width
                    750:                                (&bl->args->argv[vals[2]], i);
                    751:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    752:                width = arg_width(&bl->args->argv[vals[2]], i);
                    753:                if (vals[1] >= 0)
                    754:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    755:                break;
                    756:        default:
                    757:                if (vals[0] >= 0)
                    758:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    759:                if (vals[1] >= 0)
1.19      kristaps  760:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  761:                break;
                    762:        }
                    763:
                    764:        /*
                    765:         * List-type can override the width in the case of fixed-head
                    766:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
                    767:         * offset.
                    768:         */
                    769:
                    770:        switch (type) {
                    771:        case (MDOC_Bullet):
                    772:                /* FALLTHROUGH */
                    773:        case (MDOC_Dash):
                    774:                /* FALLTHROUGH */
                    775:        case (MDOC_Hyphen):
                    776:                if (width < 4)
                    777:                        width = 4;
                    778:                break;
1.17      kristaps  779:        case (MDOC_Enum):
                    780:                if (width < 5)
                    781:                        width = 5;
                    782:                break;
1.1       kristaps  783:        case (MDOC_Tag):
                    784:                if (0 == width)
                    785:                        width = 10;
                    786:                break;
                    787:        default:
                    788:                break;
                    789:        }
                    790:
                    791:        /*
1.17      kristaps  792:         * Whitespace control.  Inset bodies need an initial space,
                    793:         * while diagonal bodies need two.
1.1       kristaps  794:         */
                    795:
                    796:        switch (type) {
                    797:        case (MDOC_Diag):
1.17      kristaps  798:                term_word(p, "\\ ");
1.1       kristaps  799:                /* FALLTHROUGH */
                    800:        case (MDOC_Inset):
                    801:                if (MDOC_BODY == node->type)
                    802:                        p->flags &= ~TERMP_NOSPACE;
                    803:                else
                    804:                        p->flags |= TERMP_NOSPACE;
                    805:                break;
                    806:        default:
                    807:                p->flags |= TERMP_NOSPACE;
                    808:                break;
                    809:        }
                    810:
                    811:        /*
                    812:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    813:         */
                    814:
                    815:        switch (type) {
                    816:        case (MDOC_Diag):
                    817:                if (MDOC_HEAD == node->type)
                    818:                        p->flags |= ttypes[TTYPE_DIAG];
                    819:                break;
                    820:        default:
                    821:                break;
                    822:        }
                    823:
                    824:        /*
                    825:         * Pad and break control.  This is the tricker part.  Lists with
                    826:         * set right-margins for the head get TERMP_NOBREAK because, if
                    827:         * they overrun the margin, they wrap to the new margin.
                    828:         * Correspondingly, the body for these types don't left-pad, as
                    829:         * the head will pad out to to the right.
                    830:         */
                    831:
                    832:        switch (type) {
                    833:        case (MDOC_Bullet):
                    834:                /* FALLTHROUGH */
                    835:        case (MDOC_Dash):
                    836:                /* FALLTHROUGH */
                    837:        case (MDOC_Enum):
                    838:                /* FALLTHROUGH */
                    839:        case (MDOC_Hyphen):
                    840:                /* FALLTHROUGH */
                    841:        case (MDOC_Tag):
                    842:                if (MDOC_HEAD == node->type)
                    843:                        p->flags |= TERMP_NOBREAK;
                    844:                else
                    845:                        p->flags |= TERMP_NOLPAD;
                    846:                if (MDOC_HEAD == node->type && MDOC_Tag == type)
                    847:                        if (NULL == node->next ||
                    848:                                        NULL == node->next->child)
                    849:                                p->flags |= TERMP_NONOBREAK;
                    850:                break;
                    851:        case (MDOC_Column):
                    852:                if (MDOC_HEAD == node->type) {
                    853:                        assert(node->next);
                    854:                        if (MDOC_BODY == node->next->type)
                    855:                                p->flags &= ~TERMP_NOBREAK;
                    856:                        else
                    857:                                p->flags |= TERMP_NOBREAK;
                    858:                        if (node->prev)
                    859:                                p->flags |= TERMP_NOLPAD;
                    860:                }
                    861:                break;
                    862:        case (MDOC_Diag):
                    863:                if (MDOC_HEAD == node->type)
                    864:                        p->flags |= TERMP_NOBREAK;
                    865:                break;
                    866:        default:
                    867:                break;
                    868:        }
                    869:
                    870:        /*
                    871:         * Margin control.  Set-head-width lists have their right
                    872:         * margins shortened.  The body for these lists has the offset
                    873:         * necessarily lengthened.  Everybody gets the offset.
                    874:         */
                    875:
                    876:        p->offset += offset;
                    877:
                    878:        switch (type) {
                    879:        case (MDOC_Bullet):
                    880:                /* FALLTHROUGH */
                    881:        case (MDOC_Dash):
                    882:                /* FALLTHROUGH */
                    883:        case (MDOC_Enum):
                    884:                /* FALLTHROUGH */
                    885:        case (MDOC_Hyphen):
                    886:                /* FALLTHROUGH */
                    887:        case (MDOC_Tag):
                    888:                if (MDOC_HEAD == node->type)
                    889:                        p->rmargin = p->offset + width;
                    890:                else
                    891:                        p->offset += width;
                    892:                break;
                    893:        case (MDOC_Column):
                    894:                p->rmargin = p->offset + width;
                    895:                break;
                    896:        default:
                    897:                break;
                    898:        }
                    899:
                    900:        /*
                    901:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  902:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  903:         */
                    904:
1.15      kristaps  905:        sv = p->flags;
1.1       kristaps  906:        if (MDOC_HEAD == node->type)
                    907:                switch (type) {
                    908:                case (MDOC_Bullet):
1.15      kristaps  909:                        p->flags |= TERMP_BOLD;
1.1       kristaps  910:                        term_word(p, "\\[bu]");
                    911:                        break;
                    912:                case (MDOC_Dash):
                    913:                        /* FALLTHROUGH */
                    914:                case (MDOC_Hyphen):
1.15      kristaps  915:                        p->flags |= TERMP_BOLD;
1.1       kristaps  916:                        term_word(p, "\\-");
                    917:                        break;
                    918:                case (MDOC_Enum):
                    919:                        (pair->ppair->ppair->count)++;
                    920:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    921:                                        pair->ppair->ppair->count);
                    922:                        term_word(p, buf);
                    923:                        break;
                    924:                default:
                    925:                        break;
                    926:                }
                    927:
1.15      kristaps  928:        p->flags = sv; /* Restore saved flags. */
                    929:
1.1       kristaps  930:        /*
                    931:         * If we're not going to process our children, indicate so here.
                    932:         */
                    933:
                    934:        switch (type) {
                    935:        case (MDOC_Bullet):
                    936:                /* FALLTHROUGH */
                    937:        case (MDOC_Item):
                    938:                /* FALLTHROUGH */
                    939:        case (MDOC_Dash):
                    940:                /* FALLTHROUGH */
                    941:        case (MDOC_Hyphen):
                    942:                /* FALLTHROUGH */
                    943:        case (MDOC_Enum):
                    944:                if (MDOC_HEAD == node->type)
                    945:                        return(0);
                    946:                break;
                    947:        case (MDOC_Column):
                    948:                if (MDOC_BODY == node->type)
                    949:                        return(0);
                    950:                break;
                    951:        default:
                    952:                break;
                    953:        }
                    954:
                    955:        return(1);
                    956: }
                    957:
                    958:
                    959: /* ARGSUSED */
                    960: static void
                    961: termp_it_post(DECL_ARGS)
                    962: {
                    963:        int                type;
                    964:
                    965:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                    966:                return;
                    967:
                    968:        type = arg_listtype(node->parent->parent->parent);
                    969:
                    970:        switch (type) {
                    971:        case (MDOC_Diag):
                    972:                /* FALLTHROUGH */
                    973:        case (MDOC_Item):
                    974:                /* FALLTHROUGH */
                    975:        case (MDOC_Inset):
                    976:                if (MDOC_BODY == node->type)
                    977:                        term_flushln(p);
                    978:                break;
                    979:        case (MDOC_Column):
                    980:                if (MDOC_HEAD == node->type)
                    981:                        term_flushln(p);
                    982:                break;
                    983:        default:
                    984:                term_flushln(p);
                    985:                break;
                    986:        }
                    987:
                    988:        p->offset = pair->offset;
                    989:        p->rmargin = pair->rmargin;
                    990:        p->flags = pair->flag;
                    991: }
                    992:
                    993:
                    994: /* ARGSUSED */
                    995: static int
                    996: termp_nm_pre(DECL_ARGS)
                    997: {
                    998:
                    999:        if (SEC_SYNOPSIS == node->sec)
                   1000:                term_newln(p);
                   1001:
                   1002:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]);
                   1003:        if (NULL == node->child)
                   1004:                term_word(p, meta->name);
                   1005:
                   1006:        return(1);
                   1007: }
                   1008:
                   1009:
                   1010: /* ARGSUSED */
                   1011: static int
                   1012: termp_fl_pre(DECL_ARGS)
                   1013: {
                   1014:
                   1015:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
                   1016:        term_word(p, "\\-");
                   1017:        p->flags |= TERMP_NOSPACE;
                   1018:        return(1);
                   1019: }
                   1020:
                   1021:
                   1022: /* ARGSUSED */
                   1023: static int
                   1024: termp_ar_pre(DECL_ARGS)
                   1025: {
                   1026:
                   1027:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]);
                   1028:        return(1);
                   1029: }
                   1030:
                   1031:
                   1032: /* ARGSUSED */
                   1033: static int
                   1034: termp_ns_pre(DECL_ARGS)
                   1035: {
                   1036:
                   1037:        p->flags |= TERMP_NOSPACE;
                   1038:        return(1);
                   1039: }
                   1040:
                   1041:
                   1042: /* ARGSUSED */
                   1043: static int
                   1044: termp_pp_pre(DECL_ARGS)
                   1045: {
                   1046:
                   1047:        term_vspace(p);
                   1048:        return(1);
                   1049: }
                   1050:
                   1051:
                   1052: /* ARGSUSED */
                   1053: static int
                   1054: termp_st_pre(DECL_ARGS)
                   1055: {
                   1056:        const char      *cp;
                   1057:
                   1058:        if (node->child && (cp = mdoc_a2st(node->child->string)))
                   1059:                term_word(p, cp);
                   1060:        return(0);
                   1061: }
                   1062:
                   1063:
                   1064: /* ARGSUSED */
                   1065: static int
                   1066: termp_rs_pre(DECL_ARGS)
                   1067: {
                   1068:
                   1069:        if (MDOC_BLOCK == node->type && node->prev)
                   1070:                term_vspace(p);
                   1071:        return(1);
                   1072: }
                   1073:
                   1074:
                   1075: /* ARGSUSED */
                   1076: static int
                   1077: termp_rv_pre(DECL_ARGS)
                   1078: {
                   1079:        int              i;
                   1080:
1.11      kristaps 1081:        /* FIXME: mandated by parser. */
                   1082:
1.1       kristaps 1083:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1084:                errx(1, "expected -std argument");
                   1085:        if (1 != node->args->argv[i].sz)
                   1086:                errx(1, "expected -std argument");
                   1087:
                   1088:        term_newln(p);
                   1089:        term_word(p, "The");
                   1090:
                   1091:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1092:        term_word(p, *node->args->argv[i].value);
                   1093:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1094:        p->flags |= TERMP_NOSPACE;
                   1095:
                   1096:                term_word(p, "() function returns the value 0 if successful;");
                   1097:                term_word(p, "otherwise the value -1 is returned and the");
                   1098:                term_word(p, "global variable");
                   1099:
                   1100:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1101:        term_word(p, "errno");
                   1102:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1103:
                   1104:                term_word(p, "is set to indicate the error.");
                   1105:
                   1106:        return(1);
                   1107: }
                   1108:
                   1109:
                   1110: /* ARGSUSED */
                   1111: static int
                   1112: termp_ex_pre(DECL_ARGS)
                   1113: {
                   1114:        int              i;
                   1115:
1.11      kristaps 1116:        /* FIXME: mandated by parser? */
                   1117:
1.1       kristaps 1118:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1119:                errx(1, "expected -std argument");
                   1120:        if (1 != node->args->argv[i].sz)
                   1121:                errx(1, "expected -std argument");
                   1122:
                   1123:        term_word(p, "The");
                   1124:        p->flags |= ttypes[TTYPE_PROG];
                   1125:        term_word(p, *node->args->argv[i].value);
                   1126:        p->flags &= ~ttypes[TTYPE_PROG];
                   1127:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1128:
                   1129:        return(1);
                   1130: }
                   1131:
                   1132:
                   1133: /* ARGSUSED */
                   1134: static int
                   1135: termp_nd_pre(DECL_ARGS)
                   1136: {
                   1137:
                   1138:        term_word(p, "\\-");
                   1139:        return(1);
                   1140: }
                   1141:
                   1142:
                   1143: /* ARGSUSED */
                   1144: static void
                   1145: termp_bl_post(DECL_ARGS)
                   1146: {
                   1147:
                   1148:        if (MDOC_BLOCK == node->type)
                   1149:                term_newln(p);
                   1150: }
                   1151:
                   1152:
                   1153: /* ARGSUSED */
                   1154: static void
                   1155: termp_op_post(DECL_ARGS)
                   1156: {
                   1157:
                   1158:        if (MDOC_BODY != node->type)
                   1159:                return;
                   1160:        p->flags |= TERMP_NOSPACE;
                   1161:        term_word(p, "\\(rB");
                   1162: }
                   1163:
                   1164:
                   1165: /* ARGSUSED */
                   1166: static int
                   1167: termp_xr_pre(DECL_ARGS)
                   1168: {
                   1169:        const struct mdoc_node *n;
                   1170:
1.11      kristaps 1171:        assert(node->child && MDOC_TEXT == node->child->type);
                   1172:        n = node->child;
                   1173:
1.1       kristaps 1174:        term_word(p, n->string);
                   1175:        if (NULL == (n = n->next))
                   1176:                return(0);
                   1177:        p->flags |= TERMP_NOSPACE;
                   1178:        term_word(p, "(");
                   1179:        p->flags |= TERMP_NOSPACE;
                   1180:        term_word(p, n->string);
                   1181:        p->flags |= TERMP_NOSPACE;
                   1182:        term_word(p, ")");
                   1183:        return(0);
                   1184: }
                   1185:
                   1186:
                   1187: /* ARGSUSED */
                   1188: static int
                   1189: termp_vt_pre(DECL_ARGS)
                   1190: {
                   1191:
                   1192:        /* FIXME: this can be "type name". */
                   1193:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
                   1194:        return(1);
                   1195: }
                   1196:
                   1197:
                   1198: /* ARGSUSED */
                   1199: static void
                   1200: termp_vt_post(DECL_ARGS)
                   1201: {
                   1202:
                   1203:        if (node->sec == SEC_SYNOPSIS)
                   1204:                term_vspace(p);
                   1205: }
                   1206:
                   1207:
                   1208: /* ARGSUSED */
                   1209: static int
                   1210: termp_fd_pre(DECL_ARGS)
                   1211: {
                   1212:
                   1213:        /*
                   1214:         * FIXME: this naming is bad.  This value is used, in general,
                   1215:         * for the #include header or other preprocessor statement.
                   1216:         */
                   1217:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]);
                   1218:        return(1);
                   1219: }
                   1220:
                   1221:
                   1222: /* ARGSUSED */
                   1223: static void
                   1224: termp_fd_post(DECL_ARGS)
                   1225: {
                   1226:
                   1227:        if (node->sec != SEC_SYNOPSIS)
                   1228:                return;
                   1229:        term_newln(p);
                   1230:        if (node->next && MDOC_Fd != node->next->tok)
                   1231:                term_vspace(p);
                   1232: }
                   1233:
                   1234:
                   1235: /* ARGSUSED */
                   1236: static int
                   1237: termp_sh_pre(DECL_ARGS)
                   1238: {
                   1239:
                   1240:        switch (node->type) {
                   1241:        case (MDOC_HEAD):
                   1242:                term_vspace(p);
                   1243:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]);
                   1244:                break;
                   1245:        case (MDOC_BODY):
                   1246:                p->offset = INDENT;
                   1247:                break;
                   1248:        default:
                   1249:                break;
                   1250:        }
                   1251:        return(1);
                   1252: }
                   1253:
                   1254:
                   1255: /* ARGSUSED */
                   1256: static void
                   1257: termp_sh_post(DECL_ARGS)
                   1258: {
                   1259:
                   1260:        switch (node->type) {
                   1261:        case (MDOC_HEAD):
                   1262:                term_newln(p);
                   1263:                break;
                   1264:        case (MDOC_BODY):
                   1265:                term_newln(p);
                   1266:                p->offset = 0;
                   1267:                break;
                   1268:        default:
                   1269:                break;
                   1270:        }
                   1271: }
                   1272:
                   1273:
                   1274: /* ARGSUSED */
                   1275: static int
                   1276: termp_op_pre(DECL_ARGS)
                   1277: {
                   1278:
                   1279:        switch (node->type) {
                   1280:        case (MDOC_BODY):
                   1281:                term_word(p, "\\(lB");
                   1282:                p->flags |= TERMP_NOSPACE;
                   1283:                break;
                   1284:        default:
                   1285:                break;
                   1286:        }
                   1287:        return(1);
                   1288: }
                   1289:
                   1290:
                   1291: /* ARGSUSED */
                   1292: static int
                   1293: termp_bt_pre(DECL_ARGS)
                   1294: {
                   1295:
                   1296:        term_word(p, "is currently in beta test.");
                   1297:        return(1);
                   1298: }
                   1299:
                   1300:
                   1301: /* ARGSUSED */
                   1302: static int
                   1303: termp_lb_pre(DECL_ARGS)
                   1304: {
                   1305:        const char      *lb;
                   1306:
1.11      kristaps 1307:        assert(node->child && MDOC_TEXT == node->child->type);
1.18      kristaps 1308:        lb = mdoc_a2lib(node->child->string);
                   1309:        if (lb) {
1.1       kristaps 1310:                term_word(p, lb);
                   1311:                return(0);
                   1312:        }
                   1313:        term_word(p, "library");
                   1314:        return(1);
                   1315: }
                   1316:
                   1317:
                   1318: /* ARGSUSED */
                   1319: static void
                   1320: termp_lb_post(DECL_ARGS)
                   1321: {
                   1322:
                   1323:        term_newln(p);
                   1324: }
                   1325:
                   1326:
                   1327: /* ARGSUSED */
                   1328: static int
                   1329: termp_ud_pre(DECL_ARGS)
                   1330: {
                   1331:
                   1332:        term_word(p, "currently under development.");
                   1333:        return(1);
                   1334: }
                   1335:
                   1336:
                   1337: /* ARGSUSED */
                   1338: static int
                   1339: termp_d1_pre(DECL_ARGS)
                   1340: {
                   1341:
1.4       kristaps 1342:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1343:                return(1);
                   1344:        term_newln(p);
1.16      kristaps 1345:        pair->offset = INDENT + 1;
                   1346:        p->offset += pair->offset;
1.1       kristaps 1347:        return(1);
                   1348: }
                   1349:
                   1350:
                   1351: /* ARGSUSED */
                   1352: static void
                   1353: termp_d1_post(DECL_ARGS)
                   1354: {
                   1355:
1.4       kristaps 1356:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1357:                return;
                   1358:        term_newln(p);
                   1359:        p->offset -= pair->offset;
                   1360: }
                   1361:
                   1362:
                   1363: /* ARGSUSED */
                   1364: static int
                   1365: termp_aq_pre(DECL_ARGS)
                   1366: {
                   1367:
                   1368:        if (MDOC_BODY != node->type)
                   1369:                return(1);
                   1370:        term_word(p, "\\(la");
                   1371:        p->flags |= TERMP_NOSPACE;
                   1372:        return(1);
                   1373: }
                   1374:
                   1375:
                   1376: /* ARGSUSED */
                   1377: static void
                   1378: termp_aq_post(DECL_ARGS)
                   1379: {
                   1380:
                   1381:        if (MDOC_BODY != node->type)
                   1382:                return;
                   1383:        p->flags |= TERMP_NOSPACE;
                   1384:        term_word(p, "\\(ra");
                   1385: }
                   1386:
                   1387:
                   1388: /* ARGSUSED */
                   1389: static int
                   1390: termp_ft_pre(DECL_ARGS)
                   1391: {
                   1392:
                   1393:        if (SEC_SYNOPSIS == node->sec)
                   1394:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1395:                        term_vspace(p);
                   1396:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]);
                   1397:        return(1);
                   1398: }
                   1399:
                   1400:
                   1401: /* ARGSUSED */
                   1402: static void
                   1403: termp_ft_post(DECL_ARGS)
                   1404: {
                   1405:
                   1406:        if (SEC_SYNOPSIS == node->sec)
                   1407:                term_newln(p);
                   1408: }
                   1409:
                   1410:
                   1411: /* ARGSUSED */
                   1412: static int
                   1413: termp_fn_pre(DECL_ARGS)
                   1414: {
                   1415:        const struct mdoc_node *n;
                   1416:
1.11      kristaps 1417:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1418:
                   1419:        /* FIXME: can be "type funcname" "type varname"... */
                   1420:
                   1421:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1422:        term_word(p, node->child->string);
                   1423:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1424:
                   1425:        p->flags |= TERMP_NOSPACE;
                   1426:        term_word(p, "(");
                   1427:
                   1428:        for (n = node->child->next; n; n = n->next) {
                   1429:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1430:                term_word(p, n->string);
                   1431:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1432:                if (n->next)
                   1433:                        term_word(p, ",");
                   1434:        }
                   1435:
                   1436:        term_word(p, ")");
                   1437:
                   1438:        if (SEC_SYNOPSIS == node->sec)
                   1439:                term_word(p, ";");
                   1440:
                   1441:        return(0);
                   1442: }
                   1443:
                   1444:
                   1445: /* ARGSUSED */
                   1446: static void
                   1447: termp_fn_post(DECL_ARGS)
                   1448: {
                   1449:
                   1450:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1451:                term_vspace(p);
                   1452:
                   1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static int
                   1458: termp_sx_pre(DECL_ARGS)
                   1459: {
                   1460:
                   1461:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]);
                   1462:        return(1);
                   1463: }
                   1464:
                   1465:
                   1466: /* ARGSUSED */
                   1467: static int
                   1468: termp_fa_pre(DECL_ARGS)
                   1469: {
                   1470:        struct mdoc_node *n;
                   1471:
                   1472:        if (node->parent->tok != MDOC_Fo) {
                   1473:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]);
                   1474:                return(1);
                   1475:        }
                   1476:
                   1477:        for (n = node->child; n; n = n->next) {
                   1478:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1479:                term_word(p, n->string);
                   1480:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1481:                if (n->next)
                   1482:                        term_word(p, ",");
                   1483:        }
                   1484:
                   1485:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1486:                term_word(p, ",");
                   1487:
                   1488:        return(0);
                   1489: }
                   1490:
                   1491:
                   1492: /* ARGSUSED */
                   1493: static int
                   1494: termp_va_pre(DECL_ARGS)
                   1495: {
                   1496:
                   1497:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
                   1498:        return(1);
                   1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static int
                   1504: termp_bd_pre(DECL_ARGS)
                   1505: {
                   1506:        int              i, type, ln;
                   1507:
                   1508:        /*
                   1509:         * This is fairly tricky due primarily to crappy documentation.
                   1510:         * If -ragged or -filled are specified, the block does nothing
                   1511:         * but change the indentation.
                   1512:         *
                   1513:         * If, on the other hand, -unfilled or -literal are specified,
                   1514:         * then the game changes.  Text is printed exactly as entered in
                   1515:         * the display: if a macro line, a newline is appended to the
                   1516:         * line.  Blank lines are allowed.
                   1517:         */
                   1518:
                   1519:        if (MDOC_BLOCK == node->type)
                   1520:                return(fmt_block_vspace(p, node, node));
                   1521:        else if (MDOC_BODY != node->type)
                   1522:                return(1);
                   1523:
1.11      kristaps 1524:        /* FIXME: display type should be mandated by parser. */
                   1525:
1.1       kristaps 1526:        if (NULL == node->parent->args)
                   1527:                errx(1, "missing display type");
                   1528:
                   1529:        pair->offset = p->offset;
                   1530:
                   1531:        for (type = -1, i = 0;
                   1532:                        i < (int)node->parent->args->argc; i++) {
                   1533:                switch (node->parent->args->argv[i].arg) {
                   1534:                case (MDOC_Ragged):
                   1535:                        /* FALLTHROUGH */
                   1536:                case (MDOC_Filled):
                   1537:                        /* FALLTHROUGH */
                   1538:                case (MDOC_Unfilled):
                   1539:                        /* FALLTHROUGH */
                   1540:                case (MDOC_Literal):
                   1541:                        type = node->parent->args->argv[i].arg;
                   1542:                        i = (int)node->parent->args->argc;
                   1543:                        break;
                   1544:                default:
                   1545:                        break;
                   1546:                }
                   1547:        }
                   1548:
                   1549:        if (NULL == node->parent->args)
                   1550:                errx(1, "missing display type");
                   1551:
                   1552:        i = arg_getattr(MDOC_Offset, node->parent);
                   1553:        if (-1 != i) {
                   1554:                if (1 != node->parent->args->argv[i].sz)
                   1555:                        errx(1, "expected single value");
                   1556:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1557:        }
                   1558:
                   1559:        switch (type) {
                   1560:        case (MDOC_Literal):
                   1561:                /* FALLTHROUGH */
                   1562:        case (MDOC_Unfilled):
                   1563:                break;
                   1564:        default:
                   1565:                return(1);
                   1566:        }
                   1567:
                   1568:        /*
                   1569:         * Tricky.  Iterate through all children.  If we're on a
                   1570:         * different parse line, append a newline and then the contents.
                   1571:         * Ew.
                   1572:         */
                   1573:
                   1574:        p->flags |= TERMP_LITERAL;
                   1575:        ln = node->child ? node->child->line : 0;
                   1576:
                   1577:        for (node = node->child; node; node = node->next) {
                   1578:                if (ln < node->line) {
                   1579:                        term_flushln(p);
                   1580:                        p->flags |= TERMP_NOSPACE;
                   1581:                }
                   1582:                ln = node->line;
                   1583:                print_node(p, pair, meta, node);
                   1584:        }
                   1585:
                   1586:        return(0);
                   1587: }
                   1588:
                   1589:
                   1590: /* ARGSUSED */
                   1591: static void
                   1592: termp_bd_post(DECL_ARGS)
                   1593: {
                   1594:
                   1595:        if (MDOC_BODY != node->type)
                   1596:                return;
                   1597:
                   1598:        term_flushln(p);
                   1599:        p->flags &= ~TERMP_LITERAL;
                   1600:        p->offset = pair->offset;
                   1601:        p->flags |= TERMP_NOSPACE;
                   1602: }
                   1603:
                   1604:
                   1605: /* ARGSUSED */
                   1606: static int
                   1607: termp_qq_pre(DECL_ARGS)
                   1608: {
                   1609:
                   1610:        if (MDOC_BODY != node->type)
                   1611:                return(1);
                   1612:        term_word(p, "\"");
                   1613:        p->flags |= TERMP_NOSPACE;
                   1614:        return(1);
                   1615: }
                   1616:
                   1617:
                   1618: /* ARGSUSED */
                   1619: static void
                   1620: termp_qq_post(DECL_ARGS)
                   1621: {
                   1622:
                   1623:        if (MDOC_BODY != node->type)
                   1624:                return;
                   1625:        p->flags |= TERMP_NOSPACE;
                   1626:        term_word(p, "\"");
                   1627: }
                   1628:
                   1629:
                   1630: /* ARGSUSED */
                   1631: static int
                   1632: termp_bsx_pre(DECL_ARGS)
                   1633: {
                   1634:
                   1635:        term_word(p, "BSDI BSD/OS");
                   1636:        return(1);
                   1637: }
                   1638:
                   1639:
                   1640: /* ARGSUSED */
                   1641: static void
                   1642: termp_bx_post(DECL_ARGS)
                   1643: {
                   1644:
                   1645:        if (node->child)
                   1646:                p->flags |= TERMP_NOSPACE;
                   1647:        term_word(p, "BSD");
                   1648: }
                   1649:
                   1650:
                   1651: /* ARGSUSED */
                   1652: static int
                   1653: termp_ox_pre(DECL_ARGS)
                   1654: {
                   1655:
                   1656:        term_word(p, "OpenBSD");
                   1657:        return(1);
                   1658: }
                   1659:
                   1660:
                   1661: /* ARGSUSED */
                   1662: static int
                   1663: termp_dx_pre(DECL_ARGS)
                   1664: {
                   1665:
                   1666:        term_word(p, "DragonFly");
                   1667:        return(1);
                   1668: }
                   1669:
                   1670:
                   1671: /* ARGSUSED */
                   1672: static int
                   1673: termp_ux_pre(DECL_ARGS)
                   1674: {
                   1675:
                   1676:        term_word(p, "UNIX");
                   1677:        return(1);
                   1678: }
                   1679:
                   1680:
                   1681: /* ARGSUSED */
                   1682: static int
                   1683: termp_fx_pre(DECL_ARGS)
                   1684: {
                   1685:
                   1686:        term_word(p, "FreeBSD");
                   1687:        return(1);
                   1688: }
                   1689:
                   1690:
                   1691: /* ARGSUSED */
                   1692: static int
                   1693: termp_nx_pre(DECL_ARGS)
                   1694: {
                   1695:
                   1696:        term_word(p, "NetBSD");
                   1697:        return(1);
                   1698: }
                   1699:
                   1700:
                   1701: /* ARGSUSED */
                   1702: static int
                   1703: termp_sq_pre(DECL_ARGS)
                   1704: {
                   1705:
                   1706:        if (MDOC_BODY != node->type)
                   1707:                return(1);
                   1708:        term_word(p, "\\(oq");
                   1709:        p->flags |= TERMP_NOSPACE;
                   1710:        return(1);
                   1711: }
                   1712:
                   1713:
                   1714: /* ARGSUSED */
                   1715: static void
                   1716: termp_sq_post(DECL_ARGS)
                   1717: {
                   1718:
                   1719:        if (MDOC_BODY != node->type)
                   1720:                return;
                   1721:        p->flags |= TERMP_NOSPACE;
                   1722:        term_word(p, "\\(aq");
                   1723: }
                   1724:
                   1725:
                   1726: /* ARGSUSED */
                   1727: static int
                   1728: termp_pf_pre(DECL_ARGS)
                   1729: {
                   1730:
                   1731:        p->flags |= TERMP_IGNDELIM;
                   1732:        return(1);
                   1733: }
                   1734:
                   1735:
                   1736: /* ARGSUSED */
                   1737: static void
                   1738: termp_pf_post(DECL_ARGS)
                   1739: {
                   1740:
                   1741:        p->flags &= ~TERMP_IGNDELIM;
                   1742:        p->flags |= TERMP_NOSPACE;
                   1743: }
                   1744:
                   1745:
                   1746: /* ARGSUSED */
                   1747: static int
                   1748: termp_ss_pre(DECL_ARGS)
                   1749: {
                   1750:
                   1751:        switch (node->type) {
                   1752:        case (MDOC_BLOCK):
                   1753:                term_newln(p);
                   1754:                if (node->prev)
                   1755:                        term_vspace(p);
                   1756:                break;
                   1757:        case (MDOC_HEAD):
                   1758:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]);
1.5       kristaps 1759:                p->offset = HALFINDENT;
1.1       kristaps 1760:                break;
                   1761:        default:
                   1762:                break;
                   1763:        }
                   1764:
                   1765:        return(1);
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static void
                   1771: termp_ss_post(DECL_ARGS)
                   1772: {
                   1773:
                   1774:        switch (node->type) {
                   1775:        case (MDOC_HEAD):
                   1776:                term_newln(p);
                   1777:                p->offset = INDENT;
                   1778:                break;
                   1779:        default:
                   1780:                break;
                   1781:        }
                   1782: }
                   1783:
                   1784:
                   1785: /* ARGSUSED */
                   1786: static int
                   1787: termp_pa_pre(DECL_ARGS)
                   1788: {
                   1789:
                   1790:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]);
                   1791:        return(1);
                   1792: }
                   1793:
                   1794:
                   1795: /* ARGSUSED */
                   1796: static int
                   1797: termp_em_pre(DECL_ARGS)
                   1798: {
                   1799:
                   1800:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   1801:        return(1);
                   1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static int
                   1807: termp_cd_pre(DECL_ARGS)
                   1808: {
                   1809:
                   1810:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]);
                   1811:        term_newln(p);
                   1812:        return(1);
                   1813: }
                   1814:
                   1815:
                   1816: /* ARGSUSED */
                   1817: static int
                   1818: termp_cm_pre(DECL_ARGS)
                   1819: {
                   1820:
                   1821:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
                   1822:        return(1);
                   1823: }
                   1824:
                   1825:
                   1826: /* ARGSUSED */
                   1827: static int
                   1828: termp_ic_pre(DECL_ARGS)
                   1829: {
                   1830:
                   1831:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]);
                   1832:        return(1);
                   1833: }
                   1834:
                   1835:
                   1836: /* ARGSUSED */
                   1837: static int
                   1838: termp_in_pre(DECL_ARGS)
                   1839: {
                   1840:
                   1841:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]);
                   1842:        term_word(p, "#include");
                   1843:        term_word(p, "<");
                   1844:        p->flags |= TERMP_NOSPACE;
                   1845:        return(1);
                   1846: }
                   1847:
                   1848:
                   1849: /* ARGSUSED */
                   1850: static void
                   1851: termp_in_post(DECL_ARGS)
                   1852: {
                   1853:
                   1854:        p->flags |= TERMP_NOSPACE;
                   1855:        term_word(p, ">");
                   1856:
                   1857:        term_newln(p);
                   1858:        if (SEC_SYNOPSIS != node->sec)
                   1859:                return;
                   1860:        if (node->next && MDOC_In != node->next->tok)
                   1861:                term_vspace(p);
                   1862: }
                   1863:
                   1864:
                   1865: /* ARGSUSED */
                   1866: static int
                   1867: termp_at_pre(DECL_ARGS)
                   1868: {
                   1869:        const char      *att;
                   1870:
                   1871:        att = NULL;
                   1872:
                   1873:        if (node->child)
                   1874:                att = mdoc_a2att(node->child->string);
                   1875:        if (NULL == att)
                   1876:                att = "AT&T UNIX";
                   1877:
                   1878:        term_word(p, att);
                   1879:        return(0);
                   1880: }
                   1881:
                   1882:
                   1883: /* ARGSUSED */
                   1884: static int
                   1885: termp_brq_pre(DECL_ARGS)
                   1886: {
                   1887:
                   1888:        if (MDOC_BODY != node->type)
                   1889:                return(1);
                   1890:        term_word(p, "\\(lC");
                   1891:        p->flags |= TERMP_NOSPACE;
                   1892:        return(1);
                   1893: }
                   1894:
                   1895:
                   1896: /* ARGSUSED */
                   1897: static void
                   1898: termp_brq_post(DECL_ARGS)
                   1899: {
                   1900:
                   1901:        if (MDOC_BODY != node->type)
                   1902:                return;
                   1903:        p->flags |= TERMP_NOSPACE;
                   1904:        term_word(p, "\\(rC");
                   1905: }
                   1906:
                   1907:
                   1908: /* ARGSUSED */
                   1909: static int
                   1910: termp_bq_pre(DECL_ARGS)
                   1911: {
                   1912:
                   1913:        if (MDOC_BODY != node->type)
                   1914:                return(1);
                   1915:        term_word(p, "\\(lB");
                   1916:        p->flags |= TERMP_NOSPACE;
                   1917:        return(1);
                   1918: }
                   1919:
                   1920:
                   1921: /* ARGSUSED */
                   1922: static void
                   1923: termp_bq_post(DECL_ARGS)
                   1924: {
                   1925:
                   1926:        if (MDOC_BODY != node->type)
                   1927:                return;
                   1928:        p->flags |= TERMP_NOSPACE;
                   1929:        term_word(p, "\\(rB");
                   1930: }
                   1931:
                   1932:
                   1933: /* ARGSUSED */
                   1934: static int
                   1935: termp_pq_pre(DECL_ARGS)
                   1936: {
                   1937:
                   1938:        if (MDOC_BODY != node->type)
                   1939:                return(1);
                   1940:        term_word(p, "\\&(");
                   1941:        p->flags |= TERMP_NOSPACE;
                   1942:        return(1);
                   1943: }
                   1944:
                   1945:
                   1946: /* ARGSUSED */
                   1947: static void
                   1948: termp_pq_post(DECL_ARGS)
                   1949: {
                   1950:
                   1951:        if (MDOC_BODY != node->type)
                   1952:                return;
                   1953:        term_word(p, ")");
                   1954: }
                   1955:
                   1956:
                   1957: /* ARGSUSED */
                   1958: static int
                   1959: termp_fo_pre(DECL_ARGS)
                   1960: {
                   1961:        const struct mdoc_node *n;
                   1962:
                   1963:        if (MDOC_BODY == node->type) {
                   1964:                term_word(p, "(");
                   1965:                p->flags |= TERMP_NOSPACE;
                   1966:                return(1);
                   1967:        } else if (MDOC_HEAD != node->type)
                   1968:                return(1);
                   1969:
                   1970:        /* XXX - groff shows only first parameter */
                   1971:
                   1972:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1973:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1974:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1975:                term_word(p, n->string);
                   1976:        }
                   1977:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1978:
                   1979:        return(0);
                   1980: }
                   1981:
                   1982:
                   1983: /* ARGSUSED */
                   1984: static void
                   1985: termp_fo_post(DECL_ARGS)
                   1986: {
                   1987:
                   1988:        if (MDOC_BODY != node->type)
                   1989:                return;
                   1990:        p->flags |= TERMP_NOSPACE;
                   1991:        term_word(p, ")");
                   1992:        p->flags |= TERMP_NOSPACE;
                   1993:        term_word(p, ";");
                   1994:        term_newln(p);
                   1995: }
                   1996:
                   1997:
                   1998: /* ARGSUSED */
                   1999: static int
                   2000: termp_bf_pre(DECL_ARGS)
                   2001: {
                   2002:        const struct mdoc_node  *n;
                   2003:
                   2004:        if (MDOC_HEAD == node->type) {
                   2005:                return(0);
                   2006:        } else if (MDOC_BLOCK != node->type)
                   2007:                return(1);
                   2008:
                   2009:        if (NULL == (n = node->head->child)) {
                   2010:                if (arg_hasattr(MDOC_Emphasis, node))
                   2011:                        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2012:                else if (arg_hasattr(MDOC_Symbolic, node))
                   2013:                        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
                   2014:
                   2015:                return(1);
                   2016:        }
                   2017:
1.11      kristaps 2018:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2019:        if (0 == strcmp("Em", n->string))
                   2020:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2021:        else if (0 == strcmp("Sy", n->string))
                   2022:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2023:
                   2024:        return(1);
                   2025: }
                   2026:
                   2027:
                   2028: /* ARGSUSED */
                   2029: static int
                   2030: termp_sy_pre(DECL_ARGS)
                   2031: {
                   2032:
                   2033:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
                   2034:        return(1);
                   2035: }
                   2036:
                   2037:
                   2038: /* ARGSUSED */
                   2039: static int
                   2040: termp_ms_pre(DECL_ARGS)
                   2041: {
                   2042:
                   2043:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]);
                   2044:        return(1);
                   2045: }
                   2046:
                   2047:
                   2048:
                   2049: /* ARGSUSED */
                   2050: static int
                   2051: termp_sm_pre(DECL_ARGS)
                   2052: {
                   2053:
1.11      kristaps 2054:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2055:        if (0 == strcmp("on", node->child->string)) {
                   2056:                p->flags &= ~TERMP_NONOSPACE;
                   2057:                p->flags &= ~TERMP_NOSPACE;
                   2058:        } else
                   2059:                p->flags |= TERMP_NONOSPACE;
                   2060:
                   2061:        return(0);
                   2062: }
                   2063:
                   2064:
                   2065: /* ARGSUSED */
                   2066: static int
                   2067: termp_ap_pre(DECL_ARGS)
                   2068: {
                   2069:
                   2070:        p->flags |= TERMP_NOSPACE;
                   2071:        term_word(p, "\\(aq");
                   2072:        p->flags |= TERMP_NOSPACE;
                   2073:        return(1);
                   2074: }
                   2075:
                   2076:
                   2077: /* ARGSUSED */
                   2078: static int
                   2079: termp__j_pre(DECL_ARGS)
                   2080: {
                   2081:
                   2082:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]);
                   2083:        return(1);
                   2084: }
                   2085:
                   2086:
                   2087: /* ARGSUSED */
                   2088: static int
                   2089: termp__t_pre(DECL_ARGS)
                   2090: {
                   2091:
                   2092:        term_word(p, "\"");
                   2093:        p->flags |= TERMP_NOSPACE;
                   2094:        return(1);
                   2095: }
                   2096:
                   2097:
                   2098: /* ARGSUSED */
                   2099: static void
                   2100: termp__t_post(DECL_ARGS)
                   2101: {
                   2102:
                   2103:        p->flags |= TERMP_NOSPACE;
                   2104:        term_word(p, "\"");
                   2105:        termp____post(p, pair, meta, node);
                   2106: }
                   2107:
                   2108:
                   2109: /* ARGSUSED */
                   2110: static void
                   2111: termp____post(DECL_ARGS)
                   2112: {
                   2113:
                   2114:        p->flags |= TERMP_NOSPACE;
                   2115:        term_word(p, node->next ? "," : ".");
                   2116: }
                   2117:
                   2118:
                   2119: /* ARGSUSED */
                   2120: static int
                   2121: termp_lk_pre(DECL_ARGS)
                   2122: {
                   2123:        const struct mdoc_node *n;
                   2124:
1.11      kristaps 2125:        assert(node->child);
                   2126:        n = node->child;
1.1       kristaps 2127:
1.12      kristaps 2128:        if (NULL == n->next) {
                   2129:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
                   2130:                return(1);
                   2131:        }
                   2132:
1.1       kristaps 2133:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2134:        term_word(p, n->string);
                   2135:        p->flags |= TERMP_NOSPACE;
                   2136:        term_word(p, ":");
1.12      kristaps 2137:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2138:
                   2139:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2140:        for (n = n->next; n; n = n->next)
1.1       kristaps 2141:                term_word(p, n->string);
1.12      kristaps 2142:
1.1       kristaps 2143:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2144:        return(0);
                   2145: }
                   2146:
                   2147:
                   2148: /* ARGSUSED */
                   2149: static int
                   2150: termp_mt_pre(DECL_ARGS)
                   2151: {
                   2152:
                   2153:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
                   2154:        return(1);
                   2155: }
                   2156:
                   2157:

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