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Annotation of mandoc/mdoc_term.c, Revision 1.18

1.18    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.17 2009/06/22 12:38:07 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:        if (0 == strcmp(arg->value[pos], "indent"))
1.16      kristaps  536:                return(INDENT + 3);
1.1       kristaps  537:        if (0 == strcmp(arg->value[pos], "indent-two"))
1.16      kristaps  538:                return(INDENT * 2 + 2);
1.1       kristaps  539:
                    540:        if (0 == (len = (int)strlen(arg->value[pos])))
                    541:                return(0);
                    542:
                    543:        for (i = 0; i < len - 1; i++)
                    544:                if ( ! isdigit((u_char)arg->value[pos][i]))
                    545:                        break;
                    546:
                    547:        if (i == len - 1) {
1.16      kristaps  548:                if ('n' == arg->value[pos][len - 1] ||
                    549:                                'm' == arg->value[pos][len - 1]) {
1.1       kristaps  550:                        v = (size_t)atoi(arg->value[pos]);
1.16      kristaps  551:                        return(v + 2);
1.1       kristaps  552:                }
                    553:
                    554:        }
1.16      kristaps  555:        return(strlen(arg->value[pos]) + 2);
1.1       kristaps  556: }
                    557:
                    558:
                    559: static int
                    560: arg_listtype(const struct mdoc_node *n)
                    561: {
                    562:        int              i, len;
                    563:
                    564:        assert(MDOC_BLOCK == n->type);
                    565:
                    566:        len = (int)(n->args ? n->args->argc : 0);
                    567:
                    568:        for (i = 0; i < len; i++)
                    569:                switch (n->args->argv[i].arg) {
                    570:                case (MDOC_Bullet):
                    571:                        /* FALLTHROUGH */
                    572:                case (MDOC_Dash):
                    573:                        /* FALLTHROUGH */
                    574:                case (MDOC_Enum):
                    575:                        /* FALLTHROUGH */
                    576:                case (MDOC_Hyphen):
                    577:                        /* FALLTHROUGH */
                    578:                case (MDOC_Tag):
                    579:                        /* FALLTHROUGH */
                    580:                case (MDOC_Inset):
                    581:                        /* FALLTHROUGH */
                    582:                case (MDOC_Diag):
                    583:                        /* FALLTHROUGH */
                    584:                case (MDOC_Item):
                    585:                        /* FALLTHROUGH */
                    586:                case (MDOC_Column):
                    587:                        /* FALLTHROUGH */
                    588:                case (MDOC_Ohang):
                    589:                        return(n->args->argv[i].arg);
                    590:                default:
                    591:                        break;
                    592:                }
                    593:
1.11      kristaps  594:        /* FIXME: mandated by parser. */
                    595:
1.1       kristaps  596:        errx(1, "list type not supported");
                    597:        /* NOTREACHED */
                    598: }
                    599:
                    600:
                    601: static size_t
                    602: arg_offset(const struct mdoc_argv *arg)
                    603: {
                    604:
                    605:        assert(*arg->value);
1.10      kristaps  606:        if (0 == strcmp(*arg->value, "left"))
1.16      kristaps  607:                return(INDENT - 1);
1.1       kristaps  608:        if (0 == strcmp(*arg->value, "indent"))
1.16      kristaps  609:                return(INDENT + 1);
1.1       kristaps  610:        if (0 == strcmp(*arg->value, "indent-two"))
                    611:                return(INDENT * 2);
1.10      kristaps  612:
                    613:        /* FIXME: needs to support field-widths (10n, etc.). */
1.11      kristaps  614:
1.1       kristaps  615:        return(strlen(*arg->value));
                    616: }
                    617:
                    618:
                    619: static int
                    620: arg_hasattr(int arg, const struct mdoc_node *n)
                    621: {
                    622:
                    623:        return(-1 != arg_getattr(arg, n));
                    624: }
                    625:
                    626:
                    627: static int
                    628: arg_getattr(int v, const struct mdoc_node *n)
                    629: {
                    630:        int              val;
                    631:
                    632:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    633: }
                    634:
                    635:
                    636: static int
                    637: arg_getattrs(const int *keys, int *vals,
                    638:                size_t sz, const struct mdoc_node *n)
                    639: {
                    640:        int              i, j, k;
                    641:
                    642:        if (NULL == n->args)
                    643:                return(0);
                    644:
                    645:        for (k = i = 0; i < (int)n->args->argc; i++)
                    646:                for (j = 0; j < (int)sz; j++)
                    647:                        if (n->args->argv[i].arg == keys[j]) {
                    648:                                vals[j] = i;
                    649:                                k++;
                    650:                        }
                    651:        return(k);
                    652: }
                    653:
                    654:
                    655: /* ARGSUSED */
                    656: static int
                    657: fmt_block_vspace(struct termp *p,
                    658:                const struct mdoc_node *bl,
                    659:                const struct mdoc_node *node)
                    660: {
                    661:        const struct mdoc_node *n;
                    662:
                    663:        term_newln(p);
                    664:
                    665:        if (arg_hasattr(MDOC_Compact, bl))
                    666:                return(1);
                    667:
                    668:        for (n = node; n; n = n->parent) {
                    669:                if (MDOC_BLOCK != n->type)
                    670:                        continue;
                    671:                if (MDOC_Ss == n->tok)
                    672:                        break;
                    673:                if (MDOC_Sh == n->tok)
                    674:                        break;
                    675:                if (NULL == n->prev)
                    676:                        continue;
                    677:                term_vspace(p);
                    678:                break;
                    679:        }
                    680:
                    681:        return(1);
                    682: }
                    683:
                    684:
                    685: /* ARGSUSED */
                    686: static int
                    687: termp_dq_pre(DECL_ARGS)
                    688: {
                    689:
                    690:        if (MDOC_BODY != node->type)
                    691:                return(1);
                    692:
                    693:        term_word(p, "\\(lq");
                    694:        p->flags |= TERMP_NOSPACE;
                    695:        return(1);
                    696: }
                    697:
                    698:
                    699: /* ARGSUSED */
                    700: static void
                    701: termp_dq_post(DECL_ARGS)
                    702: {
                    703:
                    704:        if (MDOC_BODY != node->type)
                    705:                return;
                    706:
                    707:        p->flags |= TERMP_NOSPACE;
                    708:        term_word(p, "\\(rq");
                    709: }
                    710:
                    711:
                    712: /* ARGSUSED */
                    713: static int
                    714: termp_it_pre(DECL_ARGS)
                    715: {
                    716:        const struct mdoc_node *bl, *n;
                    717:        char                    buf[7];
1.15      kristaps  718:        int                     i, type, keys[3], vals[3], sv;
1.1       kristaps  719:        size_t                  width, offset;
                    720:
                    721:        if (MDOC_BLOCK == node->type)
                    722:                return(fmt_block_vspace(p, node->parent->parent, node));
                    723:
                    724:        bl = node->parent->parent->parent;
                    725:
                    726:        /* Save parent attributes. */
                    727:
                    728:        pair->offset = p->offset;
                    729:        pair->rmargin = p->rmargin;
                    730:        pair->flag = p->flags;
                    731:
                    732:        /* Get list width and offset. */
                    733:
                    734:        keys[0] = MDOC_Width;
                    735:        keys[1] = MDOC_Offset;
                    736:        keys[2] = MDOC_Column;
                    737:
                    738:        vals[0] = vals[1] = vals[2] = -1;
                    739:
                    740:        width = offset = 0;
                    741:
                    742:        (void)arg_getattrs(keys, vals, 3, bl);
                    743:
                    744:        type = arg_listtype(bl);
                    745:
                    746:        /* Calculate real width and offset. */
                    747:
                    748:        switch (type) {
                    749:        case (MDOC_Column):
                    750:                if (MDOC_BODY == node->type)
                    751:                        break;
                    752:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    753:                        offset += arg_width
                    754:                                (&bl->args->argv[vals[2]], i);
                    755:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    756:                width = arg_width(&bl->args->argv[vals[2]], i);
                    757:                if (vals[1] >= 0)
                    758:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    759:                break;
                    760:        default:
                    761:                if (vals[0] >= 0)
                    762:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    763:                if (vals[1] >= 0)
                    764:                        offset = arg_offset(&bl->args->argv[vals[1]]);
                    765:                break;
                    766:        }
                    767:
                    768:        /*
                    769:         * List-type can override the width in the case of fixed-head
                    770:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
                    771:         * offset.
                    772:         */
                    773:
                    774:        switch (type) {
                    775:        case (MDOC_Bullet):
                    776:                /* FALLTHROUGH */
                    777:        case (MDOC_Dash):
                    778:                /* FALLTHROUGH */
                    779:        case (MDOC_Hyphen):
                    780:                if (width < 4)
                    781:                        width = 4;
                    782:                break;
1.17      kristaps  783:        case (MDOC_Enum):
                    784:                if (width < 5)
                    785:                        width = 5;
                    786:                break;
1.1       kristaps  787:        case (MDOC_Tag):
                    788:                if (0 == width)
                    789:                        width = 10;
                    790:                break;
                    791:        default:
                    792:                break;
                    793:        }
                    794:
                    795:        /*
1.17      kristaps  796:         * Whitespace control.  Inset bodies need an initial space,
                    797:         * while diagonal bodies need two.
1.1       kristaps  798:         */
                    799:
                    800:        switch (type) {
                    801:        case (MDOC_Diag):
1.17      kristaps  802:                term_word(p, "\\ ");
1.1       kristaps  803:                /* FALLTHROUGH */
                    804:        case (MDOC_Inset):
                    805:                if (MDOC_BODY == node->type)
                    806:                        p->flags &= ~TERMP_NOSPACE;
                    807:                else
                    808:                        p->flags |= TERMP_NOSPACE;
                    809:                break;
                    810:        default:
                    811:                p->flags |= TERMP_NOSPACE;
                    812:                break;
                    813:        }
                    814:
                    815:        /*
                    816:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    817:         */
                    818:
                    819:        switch (type) {
                    820:        case (MDOC_Diag):
                    821:                if (MDOC_HEAD == node->type)
                    822:                        p->flags |= ttypes[TTYPE_DIAG];
                    823:                break;
                    824:        default:
                    825:                break;
                    826:        }
                    827:
                    828:        /*
                    829:         * Pad and break control.  This is the tricker part.  Lists with
                    830:         * set right-margins for the head get TERMP_NOBREAK because, if
                    831:         * they overrun the margin, they wrap to the new margin.
                    832:         * Correspondingly, the body for these types don't left-pad, as
                    833:         * the head will pad out to to the right.
                    834:         */
                    835:
                    836:        switch (type) {
                    837:        case (MDOC_Bullet):
                    838:                /* FALLTHROUGH */
                    839:        case (MDOC_Dash):
                    840:                /* FALLTHROUGH */
                    841:        case (MDOC_Enum):
                    842:                /* FALLTHROUGH */
                    843:        case (MDOC_Hyphen):
                    844:                /* FALLTHROUGH */
                    845:        case (MDOC_Tag):
                    846:                if (MDOC_HEAD == node->type)
                    847:                        p->flags |= TERMP_NOBREAK;
                    848:                else
                    849:                        p->flags |= TERMP_NOLPAD;
                    850:                if (MDOC_HEAD == node->type && MDOC_Tag == type)
                    851:                        if (NULL == node->next ||
                    852:                                        NULL == node->next->child)
                    853:                                p->flags |= TERMP_NONOBREAK;
                    854:                break;
                    855:        case (MDOC_Column):
                    856:                if (MDOC_HEAD == node->type) {
                    857:                        assert(node->next);
                    858:                        if (MDOC_BODY == node->next->type)
                    859:                                p->flags &= ~TERMP_NOBREAK;
                    860:                        else
                    861:                                p->flags |= TERMP_NOBREAK;
                    862:                        if (node->prev)
                    863:                                p->flags |= TERMP_NOLPAD;
                    864:                }
                    865:                break;
                    866:        case (MDOC_Diag):
                    867:                if (MDOC_HEAD == node->type)
                    868:                        p->flags |= TERMP_NOBREAK;
                    869:                break;
                    870:        default:
                    871:                break;
                    872:        }
                    873:
                    874:        /*
                    875:         * Margin control.  Set-head-width lists have their right
                    876:         * margins shortened.  The body for these lists has the offset
                    877:         * necessarily lengthened.  Everybody gets the offset.
                    878:         */
                    879:
                    880:        p->offset += offset;
                    881:
                    882:        switch (type) {
                    883:        case (MDOC_Bullet):
                    884:                /* FALLTHROUGH */
                    885:        case (MDOC_Dash):
                    886:                /* FALLTHROUGH */
                    887:        case (MDOC_Enum):
                    888:                /* FALLTHROUGH */
                    889:        case (MDOC_Hyphen):
                    890:                /* FALLTHROUGH */
                    891:        case (MDOC_Tag):
                    892:                if (MDOC_HEAD == node->type)
                    893:                        p->rmargin = p->offset + width;
                    894:                else
                    895:                        p->offset += width;
                    896:                break;
                    897:        case (MDOC_Column):
                    898:                p->rmargin = p->offset + width;
                    899:                break;
                    900:        default:
                    901:                break;
                    902:        }
                    903:
                    904:        /*
                    905:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  906:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  907:         */
                    908:
1.15      kristaps  909:        sv = p->flags;
1.1       kristaps  910:        if (MDOC_HEAD == node->type)
                    911:                switch (type) {
                    912:                case (MDOC_Bullet):
1.15      kristaps  913:                        p->flags |= TERMP_BOLD;
1.1       kristaps  914:                        term_word(p, "\\[bu]");
                    915:                        break;
                    916:                case (MDOC_Dash):
                    917:                        /* FALLTHROUGH */
                    918:                case (MDOC_Hyphen):
1.15      kristaps  919:                        p->flags |= TERMP_BOLD;
1.1       kristaps  920:                        term_word(p, "\\-");
                    921:                        break;
                    922:                case (MDOC_Enum):
                    923:                        (pair->ppair->ppair->count)++;
                    924:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    925:                                        pair->ppair->ppair->count);
                    926:                        term_word(p, buf);
                    927:                        break;
                    928:                default:
                    929:                        break;
                    930:                }
                    931:
1.15      kristaps  932:        p->flags = sv; /* Restore saved flags. */
                    933:
1.1       kristaps  934:        /*
                    935:         * If we're not going to process our children, indicate so here.
                    936:         */
                    937:
                    938:        switch (type) {
                    939:        case (MDOC_Bullet):
                    940:                /* FALLTHROUGH */
                    941:        case (MDOC_Item):
                    942:                /* FALLTHROUGH */
                    943:        case (MDOC_Dash):
                    944:                /* FALLTHROUGH */
                    945:        case (MDOC_Hyphen):
                    946:                /* FALLTHROUGH */
                    947:        case (MDOC_Enum):
                    948:                if (MDOC_HEAD == node->type)
                    949:                        return(0);
                    950:                break;
                    951:        case (MDOC_Column):
                    952:                if (MDOC_BODY == node->type)
                    953:                        return(0);
                    954:                break;
                    955:        default:
                    956:                break;
                    957:        }
                    958:
                    959:        return(1);
                    960: }
                    961:
                    962:
                    963: /* ARGSUSED */
                    964: static void
                    965: termp_it_post(DECL_ARGS)
                    966: {
                    967:        int                type;
                    968:
                    969:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                    970:                return;
                    971:
                    972:        type = arg_listtype(node->parent->parent->parent);
                    973:
                    974:        switch (type) {
                    975:        case (MDOC_Diag):
                    976:                /* FALLTHROUGH */
                    977:        case (MDOC_Item):
                    978:                /* FALLTHROUGH */
                    979:        case (MDOC_Inset):
                    980:                if (MDOC_BODY == node->type)
                    981:                        term_flushln(p);
                    982:                break;
                    983:        case (MDOC_Column):
                    984:                if (MDOC_HEAD == node->type)
                    985:                        term_flushln(p);
                    986:                break;
                    987:        default:
                    988:                term_flushln(p);
                    989:                break;
                    990:        }
                    991:
                    992:        p->offset = pair->offset;
                    993:        p->rmargin = pair->rmargin;
                    994:        p->flags = pair->flag;
                    995: }
                    996:
                    997:
                    998: /* ARGSUSED */
                    999: static int
                   1000: termp_nm_pre(DECL_ARGS)
                   1001: {
                   1002:
                   1003:        if (SEC_SYNOPSIS == node->sec)
                   1004:                term_newln(p);
                   1005:
                   1006:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]);
                   1007:        if (NULL == node->child)
                   1008:                term_word(p, meta->name);
                   1009:
                   1010:        return(1);
                   1011: }
                   1012:
                   1013:
                   1014: /* ARGSUSED */
                   1015: static int
                   1016: termp_fl_pre(DECL_ARGS)
                   1017: {
                   1018:
                   1019:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
                   1020:        term_word(p, "\\-");
                   1021:        p->flags |= TERMP_NOSPACE;
                   1022:        return(1);
                   1023: }
                   1024:
                   1025:
                   1026: /* ARGSUSED */
                   1027: static int
                   1028: termp_ar_pre(DECL_ARGS)
                   1029: {
                   1030:
                   1031:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]);
                   1032:        return(1);
                   1033: }
                   1034:
                   1035:
                   1036: /* ARGSUSED */
                   1037: static int
                   1038: termp_ns_pre(DECL_ARGS)
                   1039: {
                   1040:
                   1041:        p->flags |= TERMP_NOSPACE;
                   1042:        return(1);
                   1043: }
                   1044:
                   1045:
                   1046: /* ARGSUSED */
                   1047: static int
                   1048: termp_pp_pre(DECL_ARGS)
                   1049: {
                   1050:
                   1051:        term_vspace(p);
                   1052:        return(1);
                   1053: }
                   1054:
                   1055:
                   1056: /* ARGSUSED */
                   1057: static int
                   1058: termp_st_pre(DECL_ARGS)
                   1059: {
                   1060:        const char      *cp;
                   1061:
                   1062:        if (node->child && (cp = mdoc_a2st(node->child->string)))
                   1063:                term_word(p, cp);
                   1064:        return(0);
                   1065: }
                   1066:
                   1067:
                   1068: /* ARGSUSED */
                   1069: static int
                   1070: termp_rs_pre(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        if (MDOC_BLOCK == node->type && node->prev)
                   1074:                term_vspace(p);
                   1075:        return(1);
                   1076: }
                   1077:
                   1078:
                   1079: /* ARGSUSED */
                   1080: static int
                   1081: termp_rv_pre(DECL_ARGS)
                   1082: {
                   1083:        int              i;
                   1084:
1.11      kristaps 1085:        /* FIXME: mandated by parser. */
                   1086:
1.1       kristaps 1087:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1088:                errx(1, "expected -std argument");
                   1089:        if (1 != node->args->argv[i].sz)
                   1090:                errx(1, "expected -std argument");
                   1091:
                   1092:        term_newln(p);
                   1093:        term_word(p, "The");
                   1094:
                   1095:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1096:        term_word(p, *node->args->argv[i].value);
                   1097:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1098:        p->flags |= TERMP_NOSPACE;
                   1099:
                   1100:                term_word(p, "() function returns the value 0 if successful;");
                   1101:                term_word(p, "otherwise the value -1 is returned and the");
                   1102:                term_word(p, "global variable");
                   1103:
                   1104:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1105:        term_word(p, "errno");
                   1106:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1107:
                   1108:                term_word(p, "is set to indicate the error.");
                   1109:
                   1110:        return(1);
                   1111: }
                   1112:
                   1113:
                   1114: /* ARGSUSED */
                   1115: static int
                   1116: termp_ex_pre(DECL_ARGS)
                   1117: {
                   1118:        int              i;
                   1119:
1.11      kristaps 1120:        /* FIXME: mandated by parser? */
                   1121:
1.1       kristaps 1122:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1123:                errx(1, "expected -std argument");
                   1124:        if (1 != node->args->argv[i].sz)
                   1125:                errx(1, "expected -std argument");
                   1126:
                   1127:        term_word(p, "The");
                   1128:        p->flags |= ttypes[TTYPE_PROG];
                   1129:        term_word(p, *node->args->argv[i].value);
                   1130:        p->flags &= ~ttypes[TTYPE_PROG];
                   1131:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1132:
                   1133:        return(1);
                   1134: }
                   1135:
                   1136:
                   1137: /* ARGSUSED */
                   1138: static int
                   1139: termp_nd_pre(DECL_ARGS)
                   1140: {
                   1141:
                   1142:        term_word(p, "\\-");
                   1143:        return(1);
                   1144: }
                   1145:
                   1146:
                   1147: /* ARGSUSED */
                   1148: static void
                   1149: termp_bl_post(DECL_ARGS)
                   1150: {
                   1151:
                   1152:        if (MDOC_BLOCK == node->type)
                   1153:                term_newln(p);
                   1154: }
                   1155:
                   1156:
                   1157: /* ARGSUSED */
                   1158: static void
                   1159: termp_op_post(DECL_ARGS)
                   1160: {
                   1161:
                   1162:        if (MDOC_BODY != node->type)
                   1163:                return;
                   1164:        p->flags |= TERMP_NOSPACE;
                   1165:        term_word(p, "\\(rB");
                   1166: }
                   1167:
                   1168:
                   1169: /* ARGSUSED */
                   1170: static int
                   1171: termp_xr_pre(DECL_ARGS)
                   1172: {
                   1173:        const struct mdoc_node *n;
                   1174:
1.11      kristaps 1175:        assert(node->child && MDOC_TEXT == node->child->type);
                   1176:        n = node->child;
                   1177:
1.1       kristaps 1178:        term_word(p, n->string);
                   1179:        if (NULL == (n = n->next))
                   1180:                return(0);
                   1181:        p->flags |= TERMP_NOSPACE;
                   1182:        term_word(p, "(");
                   1183:        p->flags |= TERMP_NOSPACE;
                   1184:        term_word(p, n->string);
                   1185:        p->flags |= TERMP_NOSPACE;
                   1186:        term_word(p, ")");
                   1187:        return(0);
                   1188: }
                   1189:
                   1190:
                   1191: /* ARGSUSED */
                   1192: static int
                   1193: termp_vt_pre(DECL_ARGS)
                   1194: {
                   1195:
                   1196:        /* FIXME: this can be "type name". */
                   1197:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
                   1198:        return(1);
                   1199: }
                   1200:
                   1201:
                   1202: /* ARGSUSED */
                   1203: static void
                   1204: termp_vt_post(DECL_ARGS)
                   1205: {
                   1206:
                   1207:        if (node->sec == SEC_SYNOPSIS)
                   1208:                term_vspace(p);
                   1209: }
                   1210:
                   1211:
                   1212: /* ARGSUSED */
                   1213: static int
                   1214: termp_fd_pre(DECL_ARGS)
                   1215: {
                   1216:
                   1217:        /*
                   1218:         * FIXME: this naming is bad.  This value is used, in general,
                   1219:         * for the #include header or other preprocessor statement.
                   1220:         */
                   1221:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]);
                   1222:        return(1);
                   1223: }
                   1224:
                   1225:
                   1226: /* ARGSUSED */
                   1227: static void
                   1228: termp_fd_post(DECL_ARGS)
                   1229: {
                   1230:
                   1231:        if (node->sec != SEC_SYNOPSIS)
                   1232:                return;
                   1233:        term_newln(p);
                   1234:        if (node->next && MDOC_Fd != node->next->tok)
                   1235:                term_vspace(p);
                   1236: }
                   1237:
                   1238:
                   1239: /* ARGSUSED */
                   1240: static int
                   1241: termp_sh_pre(DECL_ARGS)
                   1242: {
                   1243:
                   1244:        switch (node->type) {
                   1245:        case (MDOC_HEAD):
                   1246:                term_vspace(p);
                   1247:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]);
                   1248:                break;
                   1249:        case (MDOC_BODY):
                   1250:                p->offset = INDENT;
                   1251:                break;
                   1252:        default:
                   1253:                break;
                   1254:        }
                   1255:        return(1);
                   1256: }
                   1257:
                   1258:
                   1259: /* ARGSUSED */
                   1260: static void
                   1261: termp_sh_post(DECL_ARGS)
                   1262: {
                   1263:
                   1264:        switch (node->type) {
                   1265:        case (MDOC_HEAD):
                   1266:                term_newln(p);
                   1267:                break;
                   1268:        case (MDOC_BODY):
                   1269:                term_newln(p);
                   1270:                p->offset = 0;
                   1271:                break;
                   1272:        default:
                   1273:                break;
                   1274:        }
                   1275: }
                   1276:
                   1277:
                   1278: /* ARGSUSED */
                   1279: static int
                   1280: termp_op_pre(DECL_ARGS)
                   1281: {
                   1282:
                   1283:        switch (node->type) {
                   1284:        case (MDOC_BODY):
                   1285:                term_word(p, "\\(lB");
                   1286:                p->flags |= TERMP_NOSPACE;
                   1287:                break;
                   1288:        default:
                   1289:                break;
                   1290:        }
                   1291:        return(1);
                   1292: }
                   1293:
                   1294:
                   1295: /* ARGSUSED */
                   1296: static int
                   1297: termp_bt_pre(DECL_ARGS)
                   1298: {
                   1299:
                   1300:        term_word(p, "is currently in beta test.");
                   1301:        return(1);
                   1302: }
                   1303:
                   1304:
                   1305: /* ARGSUSED */
                   1306: static int
                   1307: termp_lb_pre(DECL_ARGS)
                   1308: {
                   1309:        const char      *lb;
                   1310:
1.11      kristaps 1311:        assert(node->child && MDOC_TEXT == node->child->type);
1.18    ! kristaps 1312:        lb = mdoc_a2lib(node->child->string);
        !          1313:        if (lb) {
1.1       kristaps 1314:                term_word(p, lb);
                   1315:                return(0);
                   1316:        }
                   1317:        term_word(p, "library");
                   1318:        return(1);
                   1319: }
                   1320:
                   1321:
                   1322: /* ARGSUSED */
                   1323: static void
                   1324: termp_lb_post(DECL_ARGS)
                   1325: {
                   1326:
                   1327:        term_newln(p);
                   1328: }
                   1329:
                   1330:
                   1331: /* ARGSUSED */
                   1332: static int
                   1333: termp_ud_pre(DECL_ARGS)
                   1334: {
                   1335:
                   1336:        term_word(p, "currently under development.");
                   1337:        return(1);
                   1338: }
                   1339:
                   1340:
                   1341: /* ARGSUSED */
                   1342: static int
                   1343: termp_d1_pre(DECL_ARGS)
                   1344: {
                   1345:
1.4       kristaps 1346:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1347:                return(1);
                   1348:        term_newln(p);
1.16      kristaps 1349:        pair->offset = INDENT + 1;
                   1350:        p->offset += pair->offset;
1.1       kristaps 1351:        return(1);
                   1352: }
                   1353:
                   1354:
                   1355: /* ARGSUSED */
                   1356: static void
                   1357: termp_d1_post(DECL_ARGS)
                   1358: {
                   1359:
1.4       kristaps 1360:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1361:                return;
                   1362:        term_newln(p);
                   1363:        p->offset -= pair->offset;
                   1364: }
                   1365:
                   1366:
                   1367: /* ARGSUSED */
                   1368: static int
                   1369: termp_aq_pre(DECL_ARGS)
                   1370: {
                   1371:
                   1372:        if (MDOC_BODY != node->type)
                   1373:                return(1);
                   1374:        term_word(p, "\\(la");
                   1375:        p->flags |= TERMP_NOSPACE;
                   1376:        return(1);
                   1377: }
                   1378:
                   1379:
                   1380: /* ARGSUSED */
                   1381: static void
                   1382: termp_aq_post(DECL_ARGS)
                   1383: {
                   1384:
                   1385:        if (MDOC_BODY != node->type)
                   1386:                return;
                   1387:        p->flags |= TERMP_NOSPACE;
                   1388:        term_word(p, "\\(ra");
                   1389: }
                   1390:
                   1391:
                   1392: /* ARGSUSED */
                   1393: static int
                   1394: termp_ft_pre(DECL_ARGS)
                   1395: {
                   1396:
                   1397:        if (SEC_SYNOPSIS == node->sec)
                   1398:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1399:                        term_vspace(p);
                   1400:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]);
                   1401:        return(1);
                   1402: }
                   1403:
                   1404:
                   1405: /* ARGSUSED */
                   1406: static void
                   1407: termp_ft_post(DECL_ARGS)
                   1408: {
                   1409:
                   1410:        if (SEC_SYNOPSIS == node->sec)
                   1411:                term_newln(p);
                   1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static int
                   1417: termp_fn_pre(DECL_ARGS)
                   1418: {
                   1419:        const struct mdoc_node *n;
                   1420:
1.11      kristaps 1421:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1422:
                   1423:        /* FIXME: can be "type funcname" "type varname"... */
                   1424:
                   1425:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1426:        term_word(p, node->child->string);
                   1427:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1428:
                   1429:        p->flags |= TERMP_NOSPACE;
                   1430:        term_word(p, "(");
                   1431:
                   1432:        for (n = node->child->next; n; n = n->next) {
                   1433:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1434:                term_word(p, n->string);
                   1435:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1436:                if (n->next)
                   1437:                        term_word(p, ",");
                   1438:        }
                   1439:
                   1440:        term_word(p, ")");
                   1441:
                   1442:        if (SEC_SYNOPSIS == node->sec)
                   1443:                term_word(p, ";");
                   1444:
                   1445:        return(0);
                   1446: }
                   1447:
                   1448:
                   1449: /* ARGSUSED */
                   1450: static void
                   1451: termp_fn_post(DECL_ARGS)
                   1452: {
                   1453:
                   1454:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1455:                term_vspace(p);
                   1456:
                   1457: }
                   1458:
                   1459:
                   1460: /* ARGSUSED */
                   1461: static int
                   1462: termp_sx_pre(DECL_ARGS)
                   1463: {
                   1464:
                   1465:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]);
                   1466:        return(1);
                   1467: }
                   1468:
                   1469:
                   1470: /* ARGSUSED */
                   1471: static int
                   1472: termp_fa_pre(DECL_ARGS)
                   1473: {
                   1474:        struct mdoc_node *n;
                   1475:
                   1476:        if (node->parent->tok != MDOC_Fo) {
                   1477:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]);
                   1478:                return(1);
                   1479:        }
                   1480:
                   1481:        for (n = node->child; n; n = n->next) {
                   1482:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1483:                term_word(p, n->string);
                   1484:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1485:                if (n->next)
                   1486:                        term_word(p, ",");
                   1487:        }
                   1488:
                   1489:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1490:                term_word(p, ",");
                   1491:
                   1492:        return(0);
                   1493: }
                   1494:
                   1495:
                   1496: /* ARGSUSED */
                   1497: static int
                   1498: termp_va_pre(DECL_ARGS)
                   1499: {
                   1500:
                   1501:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
                   1502:        return(1);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static int
                   1508: termp_bd_pre(DECL_ARGS)
                   1509: {
                   1510:        int              i, type, ln;
                   1511:
                   1512:        /*
                   1513:         * This is fairly tricky due primarily to crappy documentation.
                   1514:         * If -ragged or -filled are specified, the block does nothing
                   1515:         * but change the indentation.
                   1516:         *
                   1517:         * If, on the other hand, -unfilled or -literal are specified,
                   1518:         * then the game changes.  Text is printed exactly as entered in
                   1519:         * the display: if a macro line, a newline is appended to the
                   1520:         * line.  Blank lines are allowed.
                   1521:         */
                   1522:
                   1523:        if (MDOC_BLOCK == node->type)
                   1524:                return(fmt_block_vspace(p, node, node));
                   1525:        else if (MDOC_BODY != node->type)
                   1526:                return(1);
                   1527:
1.11      kristaps 1528:        /* FIXME: display type should be mandated by parser. */
                   1529:
1.1       kristaps 1530:        if (NULL == node->parent->args)
                   1531:                errx(1, "missing display type");
                   1532:
                   1533:        pair->offset = p->offset;
                   1534:
                   1535:        for (type = -1, i = 0;
                   1536:                        i < (int)node->parent->args->argc; i++) {
                   1537:                switch (node->parent->args->argv[i].arg) {
                   1538:                case (MDOC_Ragged):
                   1539:                        /* FALLTHROUGH */
                   1540:                case (MDOC_Filled):
                   1541:                        /* FALLTHROUGH */
                   1542:                case (MDOC_Unfilled):
                   1543:                        /* FALLTHROUGH */
                   1544:                case (MDOC_Literal):
                   1545:                        type = node->parent->args->argv[i].arg;
                   1546:                        i = (int)node->parent->args->argc;
                   1547:                        break;
                   1548:                default:
                   1549:                        break;
                   1550:                }
                   1551:        }
                   1552:
                   1553:        if (NULL == node->parent->args)
                   1554:                errx(1, "missing display type");
                   1555:
                   1556:        i = arg_getattr(MDOC_Offset, node->parent);
                   1557:        if (-1 != i) {
                   1558:                if (1 != node->parent->args->argv[i].sz)
                   1559:                        errx(1, "expected single value");
                   1560:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1561:        }
                   1562:
                   1563:        switch (type) {
                   1564:        case (MDOC_Literal):
                   1565:                /* FALLTHROUGH */
                   1566:        case (MDOC_Unfilled):
                   1567:                break;
                   1568:        default:
                   1569:                return(1);
                   1570:        }
                   1571:
                   1572:        /*
                   1573:         * Tricky.  Iterate through all children.  If we're on a
                   1574:         * different parse line, append a newline and then the contents.
                   1575:         * Ew.
                   1576:         */
                   1577:
                   1578:        p->flags |= TERMP_LITERAL;
                   1579:        ln = node->child ? node->child->line : 0;
                   1580:
                   1581:        for (node = node->child; node; node = node->next) {
                   1582:                if (ln < node->line) {
                   1583:                        term_flushln(p);
                   1584:                        p->flags |= TERMP_NOSPACE;
                   1585:                }
                   1586:                ln = node->line;
                   1587:                print_node(p, pair, meta, node);
                   1588:        }
                   1589:
                   1590:        return(0);
                   1591: }
                   1592:
                   1593:
                   1594: /* ARGSUSED */
                   1595: static void
                   1596: termp_bd_post(DECL_ARGS)
                   1597: {
                   1598:
                   1599:        if (MDOC_BODY != node->type)
                   1600:                return;
                   1601:
                   1602:        term_flushln(p);
                   1603:        p->flags &= ~TERMP_LITERAL;
                   1604:        p->offset = pair->offset;
                   1605:        p->flags |= TERMP_NOSPACE;
                   1606: }
                   1607:
                   1608:
                   1609: /* ARGSUSED */
                   1610: static int
                   1611: termp_qq_pre(DECL_ARGS)
                   1612: {
                   1613:
                   1614:        if (MDOC_BODY != node->type)
                   1615:                return(1);
                   1616:        term_word(p, "\"");
                   1617:        p->flags |= TERMP_NOSPACE;
                   1618:        return(1);
                   1619: }
                   1620:
                   1621:
                   1622: /* ARGSUSED */
                   1623: static void
                   1624: termp_qq_post(DECL_ARGS)
                   1625: {
                   1626:
                   1627:        if (MDOC_BODY != node->type)
                   1628:                return;
                   1629:        p->flags |= TERMP_NOSPACE;
                   1630:        term_word(p, "\"");
                   1631: }
                   1632:
                   1633:
                   1634: /* ARGSUSED */
                   1635: static int
                   1636: termp_bsx_pre(DECL_ARGS)
                   1637: {
                   1638:
                   1639:        term_word(p, "BSDI BSD/OS");
                   1640:        return(1);
                   1641: }
                   1642:
                   1643:
                   1644: /* ARGSUSED */
                   1645: static void
                   1646: termp_bx_post(DECL_ARGS)
                   1647: {
                   1648:
                   1649:        if (node->child)
                   1650:                p->flags |= TERMP_NOSPACE;
                   1651:        term_word(p, "BSD");
                   1652: }
                   1653:
                   1654:
                   1655: /* ARGSUSED */
                   1656: static int
                   1657: termp_ox_pre(DECL_ARGS)
                   1658: {
                   1659:
                   1660:        term_word(p, "OpenBSD");
                   1661:        return(1);
                   1662: }
                   1663:
                   1664:
                   1665: /* ARGSUSED */
                   1666: static int
                   1667: termp_dx_pre(DECL_ARGS)
                   1668: {
                   1669:
                   1670:        term_word(p, "DragonFly");
                   1671:        return(1);
                   1672: }
                   1673:
                   1674:
                   1675: /* ARGSUSED */
                   1676: static int
                   1677: termp_ux_pre(DECL_ARGS)
                   1678: {
                   1679:
                   1680:        term_word(p, "UNIX");
                   1681:        return(1);
                   1682: }
                   1683:
                   1684:
                   1685: /* ARGSUSED */
                   1686: static int
                   1687: termp_fx_pre(DECL_ARGS)
                   1688: {
                   1689:
                   1690:        term_word(p, "FreeBSD");
                   1691:        return(1);
                   1692: }
                   1693:
                   1694:
                   1695: /* ARGSUSED */
                   1696: static int
                   1697: termp_nx_pre(DECL_ARGS)
                   1698: {
                   1699:
                   1700:        term_word(p, "NetBSD");
                   1701:        return(1);
                   1702: }
                   1703:
                   1704:
                   1705: /* ARGSUSED */
                   1706: static int
                   1707: termp_sq_pre(DECL_ARGS)
                   1708: {
                   1709:
                   1710:        if (MDOC_BODY != node->type)
                   1711:                return(1);
                   1712:        term_word(p, "\\(oq");
                   1713:        p->flags |= TERMP_NOSPACE;
                   1714:        return(1);
                   1715: }
                   1716:
                   1717:
                   1718: /* ARGSUSED */
                   1719: static void
                   1720: termp_sq_post(DECL_ARGS)
                   1721: {
                   1722:
                   1723:        if (MDOC_BODY != node->type)
                   1724:                return;
                   1725:        p->flags |= TERMP_NOSPACE;
                   1726:        term_word(p, "\\(aq");
                   1727: }
                   1728:
                   1729:
                   1730: /* ARGSUSED */
                   1731: static int
                   1732: termp_pf_pre(DECL_ARGS)
                   1733: {
                   1734:
                   1735:        p->flags |= TERMP_IGNDELIM;
                   1736:        return(1);
                   1737: }
                   1738:
                   1739:
                   1740: /* ARGSUSED */
                   1741: static void
                   1742: termp_pf_post(DECL_ARGS)
                   1743: {
                   1744:
                   1745:        p->flags &= ~TERMP_IGNDELIM;
                   1746:        p->flags |= TERMP_NOSPACE;
                   1747: }
                   1748:
                   1749:
                   1750: /* ARGSUSED */
                   1751: static int
                   1752: termp_ss_pre(DECL_ARGS)
                   1753: {
                   1754:
                   1755:        switch (node->type) {
                   1756:        case (MDOC_BLOCK):
                   1757:                term_newln(p);
                   1758:                if (node->prev)
                   1759:                        term_vspace(p);
                   1760:                break;
                   1761:        case (MDOC_HEAD):
                   1762:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]);
1.5       kristaps 1763:                p->offset = HALFINDENT;
1.1       kristaps 1764:                break;
                   1765:        default:
                   1766:                break;
                   1767:        }
                   1768:
                   1769:        return(1);
                   1770: }
                   1771:
                   1772:
                   1773: /* ARGSUSED */
                   1774: static void
                   1775: termp_ss_post(DECL_ARGS)
                   1776: {
                   1777:
                   1778:        switch (node->type) {
                   1779:        case (MDOC_HEAD):
                   1780:                term_newln(p);
                   1781:                p->offset = INDENT;
                   1782:                break;
                   1783:        default:
                   1784:                break;
                   1785:        }
                   1786: }
                   1787:
                   1788:
                   1789: /* ARGSUSED */
                   1790: static int
                   1791: termp_pa_pre(DECL_ARGS)
                   1792: {
                   1793:
                   1794:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]);
                   1795:        return(1);
                   1796: }
                   1797:
                   1798:
                   1799: /* ARGSUSED */
                   1800: static int
                   1801: termp_em_pre(DECL_ARGS)
                   1802: {
                   1803:
                   1804:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   1805:        return(1);
                   1806: }
                   1807:
                   1808:
                   1809: /* ARGSUSED */
                   1810: static int
                   1811: termp_cd_pre(DECL_ARGS)
                   1812: {
                   1813:
                   1814:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]);
                   1815:        term_newln(p);
                   1816:        return(1);
                   1817: }
                   1818:
                   1819:
                   1820: /* ARGSUSED */
                   1821: static int
                   1822: termp_cm_pre(DECL_ARGS)
                   1823: {
                   1824:
                   1825:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
                   1826:        return(1);
                   1827: }
                   1828:
                   1829:
                   1830: /* ARGSUSED */
                   1831: static int
                   1832: termp_ic_pre(DECL_ARGS)
                   1833: {
                   1834:
                   1835:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]);
                   1836:        return(1);
                   1837: }
                   1838:
                   1839:
                   1840: /* ARGSUSED */
                   1841: static int
                   1842: termp_in_pre(DECL_ARGS)
                   1843: {
                   1844:
                   1845:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]);
                   1846:        term_word(p, "#include");
                   1847:        term_word(p, "<");
                   1848:        p->flags |= TERMP_NOSPACE;
                   1849:        return(1);
                   1850: }
                   1851:
                   1852:
                   1853: /* ARGSUSED */
                   1854: static void
                   1855: termp_in_post(DECL_ARGS)
                   1856: {
                   1857:
                   1858:        p->flags |= TERMP_NOSPACE;
                   1859:        term_word(p, ">");
                   1860:
                   1861:        term_newln(p);
                   1862:        if (SEC_SYNOPSIS != node->sec)
                   1863:                return;
                   1864:        if (node->next && MDOC_In != node->next->tok)
                   1865:                term_vspace(p);
                   1866: }
                   1867:
                   1868:
                   1869: /* ARGSUSED */
                   1870: static int
                   1871: termp_at_pre(DECL_ARGS)
                   1872: {
                   1873:        const char      *att;
                   1874:
                   1875:        att = NULL;
                   1876:
                   1877:        if (node->child)
                   1878:                att = mdoc_a2att(node->child->string);
                   1879:        if (NULL == att)
                   1880:                att = "AT&T UNIX";
                   1881:
                   1882:        term_word(p, att);
                   1883:        return(0);
                   1884: }
                   1885:
                   1886:
                   1887: /* ARGSUSED */
                   1888: static int
                   1889: termp_brq_pre(DECL_ARGS)
                   1890: {
                   1891:
                   1892:        if (MDOC_BODY != node->type)
                   1893:                return(1);
                   1894:        term_word(p, "\\(lC");
                   1895:        p->flags |= TERMP_NOSPACE;
                   1896:        return(1);
                   1897: }
                   1898:
                   1899:
                   1900: /* ARGSUSED */
                   1901: static void
                   1902: termp_brq_post(DECL_ARGS)
                   1903: {
                   1904:
                   1905:        if (MDOC_BODY != node->type)
                   1906:                return;
                   1907:        p->flags |= TERMP_NOSPACE;
                   1908:        term_word(p, "\\(rC");
                   1909: }
                   1910:
                   1911:
                   1912: /* ARGSUSED */
                   1913: static int
                   1914: termp_bq_pre(DECL_ARGS)
                   1915: {
                   1916:
                   1917:        if (MDOC_BODY != node->type)
                   1918:                return(1);
                   1919:        term_word(p, "\\(lB");
                   1920:        p->flags |= TERMP_NOSPACE;
                   1921:        return(1);
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static void
                   1927: termp_bq_post(DECL_ARGS)
                   1928: {
                   1929:
                   1930:        if (MDOC_BODY != node->type)
                   1931:                return;
                   1932:        p->flags |= TERMP_NOSPACE;
                   1933:        term_word(p, "\\(rB");
                   1934: }
                   1935:
                   1936:
                   1937: /* ARGSUSED */
                   1938: static int
                   1939: termp_pq_pre(DECL_ARGS)
                   1940: {
                   1941:
                   1942:        if (MDOC_BODY != node->type)
                   1943:                return(1);
                   1944:        term_word(p, "\\&(");
                   1945:        p->flags |= TERMP_NOSPACE;
                   1946:        return(1);
                   1947: }
                   1948:
                   1949:
                   1950: /* ARGSUSED */
                   1951: static void
                   1952: termp_pq_post(DECL_ARGS)
                   1953: {
                   1954:
                   1955:        if (MDOC_BODY != node->type)
                   1956:                return;
                   1957:        term_word(p, ")");
                   1958: }
                   1959:
                   1960:
                   1961: /* ARGSUSED */
                   1962: static int
                   1963: termp_fo_pre(DECL_ARGS)
                   1964: {
                   1965:        const struct mdoc_node *n;
                   1966:
                   1967:        if (MDOC_BODY == node->type) {
                   1968:                term_word(p, "(");
                   1969:                p->flags |= TERMP_NOSPACE;
                   1970:                return(1);
                   1971:        } else if (MDOC_HEAD != node->type)
                   1972:                return(1);
                   1973:
                   1974:        /* XXX - groff shows only first parameter */
                   1975:
                   1976:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1977:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1978:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1979:                term_word(p, n->string);
                   1980:        }
                   1981:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1982:
                   1983:        return(0);
                   1984: }
                   1985:
                   1986:
                   1987: /* ARGSUSED */
                   1988: static void
                   1989: termp_fo_post(DECL_ARGS)
                   1990: {
                   1991:
                   1992:        if (MDOC_BODY != node->type)
                   1993:                return;
                   1994:        p->flags |= TERMP_NOSPACE;
                   1995:        term_word(p, ")");
                   1996:        p->flags |= TERMP_NOSPACE;
                   1997:        term_word(p, ";");
                   1998:        term_newln(p);
                   1999: }
                   2000:
                   2001:
                   2002: /* ARGSUSED */
                   2003: static int
                   2004: termp_bf_pre(DECL_ARGS)
                   2005: {
                   2006:        const struct mdoc_node  *n;
                   2007:
                   2008:        if (MDOC_HEAD == node->type) {
                   2009:                return(0);
                   2010:        } else if (MDOC_BLOCK != node->type)
                   2011:                return(1);
                   2012:
                   2013:        if (NULL == (n = node->head->child)) {
                   2014:                if (arg_hasattr(MDOC_Emphasis, node))
                   2015:                        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2016:                else if (arg_hasattr(MDOC_Symbolic, node))
                   2017:                        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
                   2018:
                   2019:                return(1);
                   2020:        }
                   2021:
1.11      kristaps 2022:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2023:        if (0 == strcmp("Em", n->string))
                   2024:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2025:        else if (0 == strcmp("Sy", n->string))
                   2026:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2027:
                   2028:        return(1);
                   2029: }
                   2030:
                   2031:
                   2032: /* ARGSUSED */
                   2033: static int
                   2034: termp_sy_pre(DECL_ARGS)
                   2035: {
                   2036:
                   2037:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
                   2038:        return(1);
                   2039: }
                   2040:
                   2041:
                   2042: /* ARGSUSED */
                   2043: static int
                   2044: termp_ms_pre(DECL_ARGS)
                   2045: {
                   2046:
                   2047:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]);
                   2048:        return(1);
                   2049: }
                   2050:
                   2051:
                   2052:
                   2053: /* ARGSUSED */
                   2054: static int
                   2055: termp_sm_pre(DECL_ARGS)
                   2056: {
                   2057:
1.11      kristaps 2058:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2059:        if (0 == strcmp("on", node->child->string)) {
                   2060:                p->flags &= ~TERMP_NONOSPACE;
                   2061:                p->flags &= ~TERMP_NOSPACE;
                   2062:        } else
                   2063:                p->flags |= TERMP_NONOSPACE;
                   2064:
                   2065:        return(0);
                   2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static int
                   2071: termp_ap_pre(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        p->flags |= TERMP_NOSPACE;
                   2075:        term_word(p, "\\(aq");
                   2076:        p->flags |= TERMP_NOSPACE;
                   2077:        return(1);
                   2078: }
                   2079:
                   2080:
                   2081: /* ARGSUSED */
                   2082: static int
                   2083: termp__j_pre(DECL_ARGS)
                   2084: {
                   2085:
                   2086:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]);
                   2087:        return(1);
                   2088: }
                   2089:
                   2090:
                   2091: /* ARGSUSED */
                   2092: static int
                   2093: termp__t_pre(DECL_ARGS)
                   2094: {
                   2095:
                   2096:        term_word(p, "\"");
                   2097:        p->flags |= TERMP_NOSPACE;
                   2098:        return(1);
                   2099: }
                   2100:
                   2101:
                   2102: /* ARGSUSED */
                   2103: static void
                   2104: termp__t_post(DECL_ARGS)
                   2105: {
                   2106:
                   2107:        p->flags |= TERMP_NOSPACE;
                   2108:        term_word(p, "\"");
                   2109:        termp____post(p, pair, meta, node);
                   2110: }
                   2111:
                   2112:
                   2113: /* ARGSUSED */
                   2114: static void
                   2115: termp____post(DECL_ARGS)
                   2116: {
                   2117:
                   2118:        p->flags |= TERMP_NOSPACE;
                   2119:        term_word(p, node->next ? "," : ".");
                   2120: }
                   2121:
                   2122:
                   2123: /* ARGSUSED */
                   2124: static int
                   2125: termp_lk_pre(DECL_ARGS)
                   2126: {
                   2127:        const struct mdoc_node *n;
                   2128:
1.11      kristaps 2129:        assert(node->child);
                   2130:        n = node->child;
1.1       kristaps 2131:
1.12      kristaps 2132:        if (NULL == n->next) {
                   2133:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
                   2134:                return(1);
                   2135:        }
                   2136:
1.1       kristaps 2137:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2138:        term_word(p, n->string);
                   2139:        p->flags |= TERMP_NOSPACE;
                   2140:        term_word(p, ":");
1.12      kristaps 2141:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2142:
                   2143:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2144:        for (n = n->next; n; n = n->next)
1.1       kristaps 2145:                term_word(p, n->string);
1.12      kristaps 2146:
1.1       kristaps 2147:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2148:        return(0);
                   2149: }
                   2150:
                   2151:
                   2152: /* ARGSUSED */
                   2153: static int
                   2154: termp_mt_pre(DECL_ARGS)
                   2155: {
                   2156:
                   2157:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
                   2158:        return(1);
                   2159: }
                   2160:
                   2161:

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