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Annotation of mandoc/mdoc_term.c, Revision 1.15

1.15    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.14 2009/06/16 19:45:51 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"))
                    536:                return(INDENT);
                    537:        if (0 == strcmp(arg->value[pos], "indent-two"))
                    538:                return(INDENT * 2);
                    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) {
                    548:                if ('n' == arg->value[pos][len - 1]) {
                    549:                        v = (size_t)atoi(arg->value[pos]);
                    550:                        return(v);
                    551:                }
                    552:
                    553:        }
                    554:        return(strlen(arg->value[pos]) + 1);
                    555: }
                    556:
                    557:
                    558: static int
                    559: arg_listtype(const struct mdoc_node *n)
                    560: {
                    561:        int              i, len;
                    562:
                    563:        assert(MDOC_BLOCK == n->type);
                    564:
                    565:        len = (int)(n->args ? n->args->argc : 0);
                    566:
                    567:        for (i = 0; i < len; i++)
                    568:                switch (n->args->argv[i].arg) {
                    569:                case (MDOC_Bullet):
                    570:                        /* FALLTHROUGH */
                    571:                case (MDOC_Dash):
                    572:                        /* FALLTHROUGH */
                    573:                case (MDOC_Enum):
                    574:                        /* FALLTHROUGH */
                    575:                case (MDOC_Hyphen):
                    576:                        /* FALLTHROUGH */
                    577:                case (MDOC_Tag):
                    578:                        /* FALLTHROUGH */
                    579:                case (MDOC_Inset):
                    580:                        /* FALLTHROUGH */
                    581:                case (MDOC_Diag):
                    582:                        /* FALLTHROUGH */
                    583:                case (MDOC_Item):
                    584:                        /* FALLTHROUGH */
                    585:                case (MDOC_Column):
                    586:                        /* FALLTHROUGH */
                    587:                case (MDOC_Ohang):
                    588:                        return(n->args->argv[i].arg);
                    589:                default:
                    590:                        break;
                    591:                }
                    592:
1.11      kristaps  593:        /* FIXME: mandated by parser. */
                    594:
1.1       kristaps  595:        errx(1, "list type not supported");
                    596:        /* NOTREACHED */
                    597: }
                    598:
                    599:
                    600: static size_t
                    601: arg_offset(const struct mdoc_argv *arg)
                    602: {
                    603:
                    604:        assert(*arg->value);
1.10      kristaps  605:        if (0 == strcmp(*arg->value, "left"))
                    606:                return(0);
1.1       kristaps  607:        if (0 == strcmp(*arg->value, "indent"))
                    608:                return(INDENT);
                    609:        if (0 == strcmp(*arg->value, "indent-two"))
                    610:                return(INDENT * 2);
1.10      kristaps  611:
                    612:        /* FIXME: needs to support field-widths (10n, etc.). */
1.11      kristaps  613:
1.1       kristaps  614:        return(strlen(*arg->value));
                    615: }
                    616:
                    617:
                    618: static int
                    619: arg_hasattr(int arg, const struct mdoc_node *n)
                    620: {
                    621:
                    622:        return(-1 != arg_getattr(arg, n));
                    623: }
                    624:
                    625:
                    626: static int
                    627: arg_getattr(int v, const struct mdoc_node *n)
                    628: {
                    629:        int              val;
                    630:
                    631:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    632: }
                    633:
                    634:
                    635: static int
                    636: arg_getattrs(const int *keys, int *vals,
                    637:                size_t sz, const struct mdoc_node *n)
                    638: {
                    639:        int              i, j, k;
                    640:
                    641:        if (NULL == n->args)
                    642:                return(0);
                    643:
                    644:        for (k = i = 0; i < (int)n->args->argc; i++)
                    645:                for (j = 0; j < (int)sz; j++)
                    646:                        if (n->args->argv[i].arg == keys[j]) {
                    647:                                vals[j] = i;
                    648:                                k++;
                    649:                        }
                    650:        return(k);
                    651: }
                    652:
                    653:
                    654: /* ARGSUSED */
                    655: static int
                    656: fmt_block_vspace(struct termp *p,
                    657:                const struct mdoc_node *bl,
                    658:                const struct mdoc_node *node)
                    659: {
                    660:        const struct mdoc_node *n;
                    661:
                    662:        term_newln(p);
                    663:
                    664:        if (arg_hasattr(MDOC_Compact, bl))
                    665:                return(1);
                    666:
                    667:        for (n = node; n; n = n->parent) {
                    668:                if (MDOC_BLOCK != n->type)
                    669:                        continue;
                    670:                if (MDOC_Ss == n->tok)
                    671:                        break;
                    672:                if (MDOC_Sh == n->tok)
                    673:                        break;
                    674:                if (NULL == n->prev)
                    675:                        continue;
                    676:                term_vspace(p);
                    677:                break;
                    678:        }
                    679:
                    680:        return(1);
                    681: }
                    682:
                    683:
                    684: /* ARGSUSED */
                    685: static int
                    686: termp_dq_pre(DECL_ARGS)
                    687: {
                    688:
                    689:        if (MDOC_BODY != node->type)
                    690:                return(1);
                    691:
                    692:        term_word(p, "\\(lq");
                    693:        p->flags |= TERMP_NOSPACE;
                    694:        return(1);
                    695: }
                    696:
                    697:
                    698: /* ARGSUSED */
                    699: static void
                    700: termp_dq_post(DECL_ARGS)
                    701: {
                    702:
                    703:        if (MDOC_BODY != node->type)
                    704:                return;
                    705:
                    706:        p->flags |= TERMP_NOSPACE;
                    707:        term_word(p, "\\(rq");
                    708: }
                    709:
                    710:
                    711: /* ARGSUSED */
                    712: static int
                    713: termp_it_pre(DECL_ARGS)
                    714: {
                    715:        const struct mdoc_node *bl, *n;
                    716:        char                    buf[7];
1.15    ! kristaps  717:        int                     i, type, keys[3], vals[3], sv;
1.1       kristaps  718:        size_t                  width, offset;
                    719:
                    720:        if (MDOC_BLOCK == node->type)
                    721:                return(fmt_block_vspace(p, node->parent->parent, node));
                    722:
                    723:        bl = node->parent->parent->parent;
                    724:
                    725:        /* Save parent attributes. */
                    726:
                    727:        pair->offset = p->offset;
                    728:        pair->rmargin = p->rmargin;
                    729:        pair->flag = p->flags;
                    730:
                    731:        /* Get list width and offset. */
                    732:
                    733:        keys[0] = MDOC_Width;
                    734:        keys[1] = MDOC_Offset;
                    735:        keys[2] = MDOC_Column;
                    736:
                    737:        vals[0] = vals[1] = vals[2] = -1;
                    738:
                    739:        width = offset = 0;
                    740:
                    741:        (void)arg_getattrs(keys, vals, 3, bl);
                    742:
                    743:        type = arg_listtype(bl);
                    744:
                    745:        /* Calculate real width and offset. */
                    746:
                    747:        switch (type) {
                    748:        case (MDOC_Column):
                    749:                if (MDOC_BODY == node->type)
                    750:                        break;
                    751:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    752:                        offset += arg_width
                    753:                                (&bl->args->argv[vals[2]], i);
                    754:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    755:                width = arg_width(&bl->args->argv[vals[2]], i);
                    756:                if (vals[1] >= 0)
                    757:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    758:                break;
                    759:        default:
                    760:                if (vals[0] >= 0)
                    761:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    762:                if (vals[1] >= 0)
                    763:                        offset = arg_offset(&bl->args->argv[vals[1]]);
                    764:                break;
                    765:        }
                    766:
                    767:        /*
                    768:         * List-type can override the width in the case of fixed-head
                    769:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
                    770:         * offset.
                    771:         */
                    772:
                    773:        switch (type) {
                    774:        case (MDOC_Bullet):
                    775:                /* FALLTHROUGH */
                    776:        case (MDOC_Dash):
                    777:                /* FALLTHROUGH */
                    778:        case (MDOC_Enum):
                    779:                /* FALLTHROUGH */
                    780:        case (MDOC_Hyphen):
                    781:                if (width < 4)
                    782:                        width = 4;
                    783:                break;
                    784:        case (MDOC_Tag):
                    785:                if (0 == width)
                    786:                        width = 10;
                    787:                break;
                    788:        default:
                    789:                break;
                    790:        }
                    791:
                    792:        /*
                    793:         * Whitespace control.  Inset bodies need an initial space.
                    794:         */
                    795:
                    796:        switch (type) {
                    797:        case (MDOC_Diag):
                    798:                /* FALLTHROUGH */
                    799:        case (MDOC_Inset):
                    800:                if (MDOC_BODY == node->type)
                    801:                        p->flags &= ~TERMP_NOSPACE;
                    802:                else
                    803:                        p->flags |= TERMP_NOSPACE;
                    804:                break;
                    805:        default:
                    806:                p->flags |= TERMP_NOSPACE;
                    807:                break;
                    808:        }
                    809:
                    810:        /*
                    811:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    812:         */
                    813:
                    814:        switch (type) {
                    815:        case (MDOC_Diag):
                    816:                if (MDOC_HEAD == node->type)
                    817:                        p->flags |= ttypes[TTYPE_DIAG];
                    818:                break;
                    819:        default:
                    820:                break;
                    821:        }
                    822:
                    823:        /*
                    824:         * Pad and break control.  This is the tricker part.  Lists with
                    825:         * set right-margins for the head get TERMP_NOBREAK because, if
                    826:         * they overrun the margin, they wrap to the new margin.
                    827:         * Correspondingly, the body for these types don't left-pad, as
                    828:         * the head will pad out to to the right.
                    829:         */
                    830:
                    831:        switch (type) {
                    832:        case (MDOC_Bullet):
                    833:                /* FALLTHROUGH */
                    834:        case (MDOC_Dash):
                    835:                /* FALLTHROUGH */
                    836:        case (MDOC_Enum):
                    837:                /* FALLTHROUGH */
                    838:        case (MDOC_Hyphen):
                    839:                /* FALLTHROUGH */
                    840:        case (MDOC_Tag):
                    841:                if (MDOC_HEAD == node->type)
                    842:                        p->flags |= TERMP_NOBREAK;
                    843:                else
                    844:                        p->flags |= TERMP_NOLPAD;
                    845:                if (MDOC_HEAD == node->type && MDOC_Tag == type)
                    846:                        if (NULL == node->next ||
                    847:                                        NULL == node->next->child)
                    848:                                p->flags |= TERMP_NONOBREAK;
                    849:                break;
                    850:        case (MDOC_Column):
                    851:                if (MDOC_HEAD == node->type) {
                    852:                        assert(node->next);
                    853:                        if (MDOC_BODY == node->next->type)
                    854:                                p->flags &= ~TERMP_NOBREAK;
                    855:                        else
                    856:                                p->flags |= TERMP_NOBREAK;
                    857:                        if (node->prev)
                    858:                                p->flags |= TERMP_NOLPAD;
                    859:                }
                    860:                break;
                    861:        case (MDOC_Diag):
                    862:                if (MDOC_HEAD == node->type)
                    863:                        p->flags |= TERMP_NOBREAK;
                    864:                break;
                    865:        default:
                    866:                break;
                    867:        }
                    868:
                    869:        /*
                    870:         * Margin control.  Set-head-width lists have their right
                    871:         * margins shortened.  The body for these lists has the offset
                    872:         * necessarily lengthened.  Everybody gets the offset.
                    873:         */
                    874:
                    875:        p->offset += offset;
                    876:
                    877:        switch (type) {
                    878:        case (MDOC_Bullet):
                    879:                /* FALLTHROUGH */
                    880:        case (MDOC_Dash):
                    881:                /* FALLTHROUGH */
                    882:        case (MDOC_Enum):
                    883:                /* FALLTHROUGH */
                    884:        case (MDOC_Hyphen):
                    885:                /* FALLTHROUGH */
                    886:        case (MDOC_Tag):
                    887:                if (MDOC_HEAD == node->type)
                    888:                        p->rmargin = p->offset + width;
                    889:                else
                    890:                        p->offset += width;
                    891:                break;
                    892:        case (MDOC_Column):
                    893:                p->rmargin = p->offset + width;
                    894:                break;
                    895:        default:
                    896:                break;
                    897:        }
                    898:
                    899:        /*
                    900:         * The dash, hyphen, bullet and enum lists all have a special
1.15    ! kristaps  901:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  902:         */
                    903:
1.15    ! kristaps  904:        sv = p->flags;
1.1       kristaps  905:        if (MDOC_HEAD == node->type)
                    906:                switch (type) {
                    907:                case (MDOC_Bullet):
1.15    ! kristaps  908:                        p->flags |= TERMP_BOLD;
1.1       kristaps  909:                        term_word(p, "\\[bu]");
                    910:                        break;
                    911:                case (MDOC_Dash):
                    912:                        /* FALLTHROUGH */
                    913:                case (MDOC_Hyphen):
1.15    ! kristaps  914:                        p->flags |= TERMP_BOLD;
1.1       kristaps  915:                        term_word(p, "\\-");
                    916:                        break;
                    917:                case (MDOC_Enum):
                    918:                        (pair->ppair->ppair->count)++;
                    919:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    920:                                        pair->ppair->ppair->count);
                    921:                        term_word(p, buf);
                    922:                        break;
                    923:                default:
                    924:                        break;
                    925:                }
                    926:
1.15    ! kristaps  927:        p->flags = sv; /* Restore saved flags. */
        !           928:
1.1       kristaps  929:        /*
                    930:         * If we're not going to process our children, indicate so here.
                    931:         */
                    932:
                    933:        switch (type) {
                    934:        case (MDOC_Bullet):
                    935:                /* FALLTHROUGH */
                    936:        case (MDOC_Item):
                    937:                /* FALLTHROUGH */
                    938:        case (MDOC_Dash):
                    939:                /* FALLTHROUGH */
                    940:        case (MDOC_Hyphen):
                    941:                /* FALLTHROUGH */
                    942:        case (MDOC_Enum):
                    943:                if (MDOC_HEAD == node->type)
                    944:                        return(0);
                    945:                break;
                    946:        case (MDOC_Column):
                    947:                if (MDOC_BODY == node->type)
                    948:                        return(0);
                    949:                break;
                    950:        default:
                    951:                break;
                    952:        }
                    953:
                    954:        return(1);
                    955: }
                    956:
                    957:
                    958: /* ARGSUSED */
                    959: static void
                    960: termp_it_post(DECL_ARGS)
                    961: {
                    962:        int                type;
                    963:
                    964:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                    965:                return;
                    966:
                    967:        type = arg_listtype(node->parent->parent->parent);
                    968:
                    969:        switch (type) {
                    970:        case (MDOC_Diag):
                    971:                /* FALLTHROUGH */
                    972:        case (MDOC_Item):
                    973:                /* FALLTHROUGH */
                    974:        case (MDOC_Inset):
                    975:                if (MDOC_BODY == node->type)
                    976:                        term_flushln(p);
                    977:                break;
                    978:        case (MDOC_Column):
                    979:                if (MDOC_HEAD == node->type)
                    980:                        term_flushln(p);
                    981:                break;
                    982:        default:
                    983:                term_flushln(p);
                    984:                break;
                    985:        }
                    986:
                    987:        p->offset = pair->offset;
                    988:        p->rmargin = pair->rmargin;
                    989:        p->flags = pair->flag;
                    990: }
                    991:
                    992:
                    993: /* ARGSUSED */
                    994: static int
                    995: termp_nm_pre(DECL_ARGS)
                    996: {
                    997:
                    998:        if (SEC_SYNOPSIS == node->sec)
                    999:                term_newln(p);
                   1000:
                   1001:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]);
                   1002:        if (NULL == node->child)
                   1003:                term_word(p, meta->name);
                   1004:
                   1005:        return(1);
                   1006: }
                   1007:
                   1008:
                   1009: /* ARGSUSED */
                   1010: static int
                   1011: termp_fl_pre(DECL_ARGS)
                   1012: {
                   1013:
                   1014:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
                   1015:        term_word(p, "\\-");
                   1016:        p->flags |= TERMP_NOSPACE;
                   1017:        return(1);
                   1018: }
                   1019:
                   1020:
                   1021: /* ARGSUSED */
                   1022: static int
                   1023: termp_ar_pre(DECL_ARGS)
                   1024: {
                   1025:
                   1026:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]);
                   1027:        return(1);
                   1028: }
                   1029:
                   1030:
                   1031: /* ARGSUSED */
                   1032: static int
                   1033: termp_ns_pre(DECL_ARGS)
                   1034: {
                   1035:
                   1036:        p->flags |= TERMP_NOSPACE;
                   1037:        return(1);
                   1038: }
                   1039:
                   1040:
                   1041: /* ARGSUSED */
                   1042: static int
                   1043: termp_pp_pre(DECL_ARGS)
                   1044: {
                   1045:
                   1046:        term_vspace(p);
                   1047:        return(1);
                   1048: }
                   1049:
                   1050:
                   1051: /* ARGSUSED */
                   1052: static int
                   1053: termp_st_pre(DECL_ARGS)
                   1054: {
                   1055:        const char      *cp;
                   1056:
                   1057:        if (node->child && (cp = mdoc_a2st(node->child->string)))
                   1058:                term_word(p, cp);
                   1059:        return(0);
                   1060: }
                   1061:
                   1062:
                   1063: /* ARGSUSED */
                   1064: static int
                   1065: termp_rs_pre(DECL_ARGS)
                   1066: {
                   1067:
                   1068:        if (MDOC_BLOCK == node->type && node->prev)
                   1069:                term_vspace(p);
                   1070:        return(1);
                   1071: }
                   1072:
                   1073:
                   1074: /* ARGSUSED */
                   1075: static int
                   1076: termp_rv_pre(DECL_ARGS)
                   1077: {
                   1078:        int              i;
                   1079:
1.11      kristaps 1080:        /* FIXME: mandated by parser. */
                   1081:
1.1       kristaps 1082:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1083:                errx(1, "expected -std argument");
                   1084:        if (1 != node->args->argv[i].sz)
                   1085:                errx(1, "expected -std argument");
                   1086:
                   1087:        term_newln(p);
                   1088:        term_word(p, "The");
                   1089:
                   1090:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1091:        term_word(p, *node->args->argv[i].value);
                   1092:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1093:        p->flags |= TERMP_NOSPACE;
                   1094:
                   1095:                term_word(p, "() function returns the value 0 if successful;");
                   1096:                term_word(p, "otherwise the value -1 is returned and the");
                   1097:                term_word(p, "global variable");
                   1098:
                   1099:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1100:        term_word(p, "errno");
                   1101:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1102:
                   1103:                term_word(p, "is set to indicate the error.");
                   1104:
                   1105:        return(1);
                   1106: }
                   1107:
                   1108:
                   1109: /* ARGSUSED */
                   1110: static int
                   1111: termp_ex_pre(DECL_ARGS)
                   1112: {
                   1113:        int              i;
                   1114:
1.11      kristaps 1115:        /* FIXME: mandated by parser? */
                   1116:
1.1       kristaps 1117:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1118:                errx(1, "expected -std argument");
                   1119:        if (1 != node->args->argv[i].sz)
                   1120:                errx(1, "expected -std argument");
                   1121:
                   1122:        term_word(p, "The");
                   1123:        p->flags |= ttypes[TTYPE_PROG];
                   1124:        term_word(p, *node->args->argv[i].value);
                   1125:        p->flags &= ~ttypes[TTYPE_PROG];
                   1126:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1127:
                   1128:        return(1);
                   1129: }
                   1130:
                   1131:
                   1132: /* ARGSUSED */
                   1133: static int
                   1134: termp_nd_pre(DECL_ARGS)
                   1135: {
                   1136:
                   1137:        term_word(p, "\\-");
                   1138:        return(1);
                   1139: }
                   1140:
                   1141:
                   1142: /* ARGSUSED */
                   1143: static void
                   1144: termp_bl_post(DECL_ARGS)
                   1145: {
                   1146:
                   1147:        if (MDOC_BLOCK == node->type)
                   1148:                term_newln(p);
                   1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static void
                   1154: termp_op_post(DECL_ARGS)
                   1155: {
                   1156:
                   1157:        if (MDOC_BODY != node->type)
                   1158:                return;
                   1159:        p->flags |= TERMP_NOSPACE;
                   1160:        term_word(p, "\\(rB");
                   1161: }
                   1162:
                   1163:
                   1164: /* ARGSUSED */
                   1165: static int
                   1166: termp_xr_pre(DECL_ARGS)
                   1167: {
                   1168:        const struct mdoc_node *n;
                   1169:
1.11      kristaps 1170:        assert(node->child && MDOC_TEXT == node->child->type);
                   1171:        n = node->child;
                   1172:
1.1       kristaps 1173:        term_word(p, n->string);
                   1174:        if (NULL == (n = n->next))
                   1175:                return(0);
                   1176:        p->flags |= TERMP_NOSPACE;
                   1177:        term_word(p, "(");
                   1178:        p->flags |= TERMP_NOSPACE;
                   1179:        term_word(p, n->string);
                   1180:        p->flags |= TERMP_NOSPACE;
                   1181:        term_word(p, ")");
                   1182:        return(0);
                   1183: }
                   1184:
                   1185:
                   1186: /* ARGSUSED */
                   1187: static int
                   1188: termp_vt_pre(DECL_ARGS)
                   1189: {
                   1190:
                   1191:        /* FIXME: this can be "type name". */
                   1192:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
                   1193:        return(1);
                   1194: }
                   1195:
                   1196:
                   1197: /* ARGSUSED */
                   1198: static void
                   1199: termp_vt_post(DECL_ARGS)
                   1200: {
                   1201:
                   1202:        if (node->sec == SEC_SYNOPSIS)
                   1203:                term_vspace(p);
                   1204: }
                   1205:
                   1206:
                   1207: /* ARGSUSED */
                   1208: static int
                   1209: termp_fd_pre(DECL_ARGS)
                   1210: {
                   1211:
                   1212:        /*
                   1213:         * FIXME: this naming is bad.  This value is used, in general,
                   1214:         * for the #include header or other preprocessor statement.
                   1215:         */
                   1216:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]);
                   1217:        return(1);
                   1218: }
                   1219:
                   1220:
                   1221: /* ARGSUSED */
                   1222: static void
                   1223: termp_fd_post(DECL_ARGS)
                   1224: {
                   1225:
                   1226:        if (node->sec != SEC_SYNOPSIS)
                   1227:                return;
                   1228:        term_newln(p);
                   1229:        if (node->next && MDOC_Fd != node->next->tok)
                   1230:                term_vspace(p);
                   1231: }
                   1232:
                   1233:
                   1234: /* ARGSUSED */
                   1235: static int
                   1236: termp_sh_pre(DECL_ARGS)
                   1237: {
                   1238:
                   1239:        switch (node->type) {
                   1240:        case (MDOC_HEAD):
                   1241:                term_vspace(p);
                   1242:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]);
                   1243:                break;
                   1244:        case (MDOC_BODY):
                   1245:                p->offset = INDENT;
                   1246:                break;
                   1247:        default:
                   1248:                break;
                   1249:        }
                   1250:        return(1);
                   1251: }
                   1252:
                   1253:
                   1254: /* ARGSUSED */
                   1255: static void
                   1256: termp_sh_post(DECL_ARGS)
                   1257: {
                   1258:
                   1259:        switch (node->type) {
                   1260:        case (MDOC_HEAD):
                   1261:                term_newln(p);
                   1262:                break;
                   1263:        case (MDOC_BODY):
                   1264:                term_newln(p);
                   1265:                p->offset = 0;
                   1266:                break;
                   1267:        default:
                   1268:                break;
                   1269:        }
                   1270: }
                   1271:
                   1272:
                   1273: /* ARGSUSED */
                   1274: static int
                   1275: termp_op_pre(DECL_ARGS)
                   1276: {
                   1277:
                   1278:        switch (node->type) {
                   1279:        case (MDOC_BODY):
                   1280:                term_word(p, "\\(lB");
                   1281:                p->flags |= TERMP_NOSPACE;
                   1282:                break;
                   1283:        default:
                   1284:                break;
                   1285:        }
                   1286:        return(1);
                   1287: }
                   1288:
                   1289:
                   1290: /* ARGSUSED */
                   1291: static int
                   1292: termp_bt_pre(DECL_ARGS)
                   1293: {
                   1294:
                   1295:        term_word(p, "is currently in beta test.");
                   1296:        return(1);
                   1297: }
                   1298:
                   1299:
                   1300: /* ARGSUSED */
                   1301: static int
                   1302: termp_lb_pre(DECL_ARGS)
                   1303: {
                   1304:        const char      *lb;
                   1305:
1.11      kristaps 1306:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1307:        if ((lb = mdoc_a2lib(node->child->string))) {
                   1308:                term_word(p, lb);
                   1309:                return(0);
                   1310:        }
                   1311:        term_word(p, "library");
                   1312:        return(1);
                   1313: }
                   1314:
                   1315:
                   1316: /* ARGSUSED */
                   1317: static void
                   1318: termp_lb_post(DECL_ARGS)
                   1319: {
                   1320:
                   1321:        term_newln(p);
                   1322: }
                   1323:
                   1324:
                   1325: /* ARGSUSED */
                   1326: static int
                   1327: termp_ud_pre(DECL_ARGS)
                   1328: {
                   1329:
                   1330:        term_word(p, "currently under development.");
                   1331:        return(1);
                   1332: }
                   1333:
                   1334:
                   1335: /* ARGSUSED */
                   1336: static int
                   1337: termp_d1_pre(DECL_ARGS)
                   1338: {
                   1339:
1.4       kristaps 1340:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1341:                return(1);
                   1342:        term_newln(p);
                   1343:        p->offset += (pair->offset = INDENT);
                   1344:        return(1);
                   1345: }
                   1346:
                   1347:
                   1348: /* ARGSUSED */
                   1349: static void
                   1350: termp_d1_post(DECL_ARGS)
                   1351: {
                   1352:
1.4       kristaps 1353:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1354:                return;
                   1355:        term_newln(p);
                   1356:        p->offset -= pair->offset;
                   1357: }
                   1358:
                   1359:
                   1360: /* ARGSUSED */
                   1361: static int
                   1362: termp_aq_pre(DECL_ARGS)
                   1363: {
                   1364:
                   1365:        if (MDOC_BODY != node->type)
                   1366:                return(1);
                   1367:        term_word(p, "\\(la");
                   1368:        p->flags |= TERMP_NOSPACE;
                   1369:        return(1);
                   1370: }
                   1371:
                   1372:
                   1373: /* ARGSUSED */
                   1374: static void
                   1375: termp_aq_post(DECL_ARGS)
                   1376: {
                   1377:
                   1378:        if (MDOC_BODY != node->type)
                   1379:                return;
                   1380:        p->flags |= TERMP_NOSPACE;
                   1381:        term_word(p, "\\(ra");
                   1382: }
                   1383:
                   1384:
                   1385: /* ARGSUSED */
                   1386: static int
                   1387: termp_ft_pre(DECL_ARGS)
                   1388: {
                   1389:
                   1390:        if (SEC_SYNOPSIS == node->sec)
                   1391:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1392:                        term_vspace(p);
                   1393:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]);
                   1394:        return(1);
                   1395: }
                   1396:
                   1397:
                   1398: /* ARGSUSED */
                   1399: static void
                   1400: termp_ft_post(DECL_ARGS)
                   1401: {
                   1402:
                   1403:        if (SEC_SYNOPSIS == node->sec)
                   1404:                term_newln(p);
                   1405: }
                   1406:
                   1407:
                   1408: /* ARGSUSED */
                   1409: static int
                   1410: termp_fn_pre(DECL_ARGS)
                   1411: {
                   1412:        const struct mdoc_node *n;
                   1413:
1.11      kristaps 1414:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1415:
                   1416:        /* FIXME: can be "type funcname" "type varname"... */
                   1417:
                   1418:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1419:        term_word(p, node->child->string);
                   1420:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1421:
                   1422:        p->flags |= TERMP_NOSPACE;
                   1423:        term_word(p, "(");
                   1424:
                   1425:        for (n = node->child->next; n; n = n->next) {
                   1426:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1427:                term_word(p, n->string);
                   1428:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1429:                if (n->next)
                   1430:                        term_word(p, ",");
                   1431:        }
                   1432:
                   1433:        term_word(p, ")");
                   1434:
                   1435:        if (SEC_SYNOPSIS == node->sec)
                   1436:                term_word(p, ";");
                   1437:
                   1438:        return(0);
                   1439: }
                   1440:
                   1441:
                   1442: /* ARGSUSED */
                   1443: static void
                   1444: termp_fn_post(DECL_ARGS)
                   1445: {
                   1446:
                   1447:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1448:                term_vspace(p);
                   1449:
                   1450: }
                   1451:
                   1452:
                   1453: /* ARGSUSED */
                   1454: static int
                   1455: termp_sx_pre(DECL_ARGS)
                   1456: {
                   1457:
                   1458:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]);
                   1459:        return(1);
                   1460: }
                   1461:
                   1462:
                   1463: /* ARGSUSED */
                   1464: static int
                   1465: termp_fa_pre(DECL_ARGS)
                   1466: {
                   1467:        struct mdoc_node *n;
                   1468:
                   1469:        if (node->parent->tok != MDOC_Fo) {
                   1470:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]);
                   1471:                return(1);
                   1472:        }
                   1473:
                   1474:        for (n = node->child; n; n = n->next) {
                   1475:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1476:                term_word(p, n->string);
                   1477:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1478:                if (n->next)
                   1479:                        term_word(p, ",");
                   1480:        }
                   1481:
                   1482:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1483:                term_word(p, ",");
                   1484:
                   1485:        return(0);
                   1486: }
                   1487:
                   1488:
                   1489: /* ARGSUSED */
                   1490: static int
                   1491: termp_va_pre(DECL_ARGS)
                   1492: {
                   1493:
                   1494:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
                   1495:        return(1);
                   1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_bd_pre(DECL_ARGS)
                   1502: {
                   1503:        int              i, type, ln;
                   1504:
                   1505:        /*
                   1506:         * This is fairly tricky due primarily to crappy documentation.
                   1507:         * If -ragged or -filled are specified, the block does nothing
                   1508:         * but change the indentation.
                   1509:         *
                   1510:         * If, on the other hand, -unfilled or -literal are specified,
                   1511:         * then the game changes.  Text is printed exactly as entered in
                   1512:         * the display: if a macro line, a newline is appended to the
                   1513:         * line.  Blank lines are allowed.
                   1514:         */
                   1515:
                   1516:        if (MDOC_BLOCK == node->type)
                   1517:                return(fmt_block_vspace(p, node, node));
                   1518:        else if (MDOC_BODY != node->type)
                   1519:                return(1);
                   1520:
1.11      kristaps 1521:        /* FIXME: display type should be mandated by parser. */
                   1522:
1.1       kristaps 1523:        if (NULL == node->parent->args)
                   1524:                errx(1, "missing display type");
                   1525:
                   1526:        pair->offset = p->offset;
                   1527:
                   1528:        for (type = -1, i = 0;
                   1529:                        i < (int)node->parent->args->argc; i++) {
                   1530:                switch (node->parent->args->argv[i].arg) {
                   1531:                case (MDOC_Ragged):
                   1532:                        /* FALLTHROUGH */
                   1533:                case (MDOC_Filled):
                   1534:                        /* FALLTHROUGH */
                   1535:                case (MDOC_Unfilled):
                   1536:                        /* FALLTHROUGH */
                   1537:                case (MDOC_Literal):
                   1538:                        type = node->parent->args->argv[i].arg;
                   1539:                        i = (int)node->parent->args->argc;
                   1540:                        break;
                   1541:                default:
                   1542:                        break;
                   1543:                }
                   1544:        }
                   1545:
                   1546:        if (NULL == node->parent->args)
                   1547:                errx(1, "missing display type");
                   1548:
                   1549:        i = arg_getattr(MDOC_Offset, node->parent);
                   1550:        if (-1 != i) {
                   1551:                if (1 != node->parent->args->argv[i].sz)
                   1552:                        errx(1, "expected single value");
                   1553:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1554:        }
                   1555:
                   1556:        switch (type) {
                   1557:        case (MDOC_Literal):
                   1558:                /* FALLTHROUGH */
                   1559:        case (MDOC_Unfilled):
                   1560:                break;
                   1561:        default:
                   1562:                return(1);
                   1563:        }
                   1564:
                   1565:        /*
                   1566:         * Tricky.  Iterate through all children.  If we're on a
                   1567:         * different parse line, append a newline and then the contents.
                   1568:         * Ew.
                   1569:         */
                   1570:
                   1571:        p->flags |= TERMP_LITERAL;
                   1572:        ln = node->child ? node->child->line : 0;
                   1573:
                   1574:        for (node = node->child; node; node = node->next) {
                   1575:                if (ln < node->line) {
                   1576:                        term_flushln(p);
                   1577:                        p->flags |= TERMP_NOSPACE;
                   1578:                }
                   1579:                ln = node->line;
                   1580:                print_node(p, pair, meta, node);
                   1581:        }
                   1582:
                   1583:        return(0);
                   1584: }
                   1585:
                   1586:
                   1587: /* ARGSUSED */
                   1588: static void
                   1589: termp_bd_post(DECL_ARGS)
                   1590: {
                   1591:
                   1592:        if (MDOC_BODY != node->type)
                   1593:                return;
                   1594:
                   1595:        term_flushln(p);
                   1596:        p->flags &= ~TERMP_LITERAL;
                   1597:        p->offset = pair->offset;
                   1598:        p->flags |= TERMP_NOSPACE;
                   1599: }
                   1600:
                   1601:
                   1602: /* ARGSUSED */
                   1603: static int
                   1604: termp_qq_pre(DECL_ARGS)
                   1605: {
                   1606:
                   1607:        if (MDOC_BODY != node->type)
                   1608:                return(1);
                   1609:        term_word(p, "\"");
                   1610:        p->flags |= TERMP_NOSPACE;
                   1611:        return(1);
                   1612: }
                   1613:
                   1614:
                   1615: /* ARGSUSED */
                   1616: static void
                   1617: termp_qq_post(DECL_ARGS)
                   1618: {
                   1619:
                   1620:        if (MDOC_BODY != node->type)
                   1621:                return;
                   1622:        p->flags |= TERMP_NOSPACE;
                   1623:        term_word(p, "\"");
                   1624: }
                   1625:
                   1626:
                   1627: /* ARGSUSED */
                   1628: static int
                   1629: termp_bsx_pre(DECL_ARGS)
                   1630: {
                   1631:
                   1632:        term_word(p, "BSDI BSD/OS");
                   1633:        return(1);
                   1634: }
                   1635:
                   1636:
                   1637: /* ARGSUSED */
                   1638: static void
                   1639: termp_bx_post(DECL_ARGS)
                   1640: {
                   1641:
                   1642:        if (node->child)
                   1643:                p->flags |= TERMP_NOSPACE;
                   1644:        term_word(p, "BSD");
                   1645: }
                   1646:
                   1647:
                   1648: /* ARGSUSED */
                   1649: static int
                   1650: termp_ox_pre(DECL_ARGS)
                   1651: {
                   1652:
                   1653:        term_word(p, "OpenBSD");
                   1654:        return(1);
                   1655: }
                   1656:
                   1657:
                   1658: /* ARGSUSED */
                   1659: static int
                   1660: termp_dx_pre(DECL_ARGS)
                   1661: {
                   1662:
                   1663:        term_word(p, "DragonFly");
                   1664:        return(1);
                   1665: }
                   1666:
                   1667:
                   1668: /* ARGSUSED */
                   1669: static int
                   1670: termp_ux_pre(DECL_ARGS)
                   1671: {
                   1672:
                   1673:        term_word(p, "UNIX");
                   1674:        return(1);
                   1675: }
                   1676:
                   1677:
                   1678: /* ARGSUSED */
                   1679: static int
                   1680: termp_fx_pre(DECL_ARGS)
                   1681: {
                   1682:
                   1683:        term_word(p, "FreeBSD");
                   1684:        return(1);
                   1685: }
                   1686:
                   1687:
                   1688: /* ARGSUSED */
                   1689: static int
                   1690: termp_nx_pre(DECL_ARGS)
                   1691: {
                   1692:
                   1693:        term_word(p, "NetBSD");
                   1694:        return(1);
                   1695: }
                   1696:
                   1697:
                   1698: /* ARGSUSED */
                   1699: static int
                   1700: termp_sq_pre(DECL_ARGS)
                   1701: {
                   1702:
                   1703:        if (MDOC_BODY != node->type)
                   1704:                return(1);
                   1705:        term_word(p, "\\(oq");
                   1706:        p->flags |= TERMP_NOSPACE;
                   1707:        return(1);
                   1708: }
                   1709:
                   1710:
                   1711: /* ARGSUSED */
                   1712: static void
                   1713: termp_sq_post(DECL_ARGS)
                   1714: {
                   1715:
                   1716:        if (MDOC_BODY != node->type)
                   1717:                return;
                   1718:        p->flags |= TERMP_NOSPACE;
                   1719:        term_word(p, "\\(aq");
                   1720: }
                   1721:
                   1722:
                   1723: /* ARGSUSED */
                   1724: static int
                   1725: termp_pf_pre(DECL_ARGS)
                   1726: {
                   1727:
                   1728:        p->flags |= TERMP_IGNDELIM;
                   1729:        return(1);
                   1730: }
                   1731:
                   1732:
                   1733: /* ARGSUSED */
                   1734: static void
                   1735: termp_pf_post(DECL_ARGS)
                   1736: {
                   1737:
                   1738:        p->flags &= ~TERMP_IGNDELIM;
                   1739:        p->flags |= TERMP_NOSPACE;
                   1740: }
                   1741:
                   1742:
                   1743: /* ARGSUSED */
                   1744: static int
                   1745: termp_ss_pre(DECL_ARGS)
                   1746: {
                   1747:
                   1748:        switch (node->type) {
                   1749:        case (MDOC_BLOCK):
                   1750:                term_newln(p);
                   1751:                if (node->prev)
                   1752:                        term_vspace(p);
                   1753:                break;
                   1754:        case (MDOC_HEAD):
                   1755:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]);
1.5       kristaps 1756:                p->offset = HALFINDENT;
1.1       kristaps 1757:                break;
                   1758:        default:
                   1759:                break;
                   1760:        }
                   1761:
                   1762:        return(1);
                   1763: }
                   1764:
                   1765:
                   1766: /* ARGSUSED */
                   1767: static void
                   1768: termp_ss_post(DECL_ARGS)
                   1769: {
                   1770:
                   1771:        switch (node->type) {
                   1772:        case (MDOC_HEAD):
                   1773:                term_newln(p);
                   1774:                p->offset = INDENT;
                   1775:                break;
                   1776:        default:
                   1777:                break;
                   1778:        }
                   1779: }
                   1780:
                   1781:
                   1782: /* ARGSUSED */
                   1783: static int
                   1784: termp_pa_pre(DECL_ARGS)
                   1785: {
                   1786:
                   1787:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]);
                   1788:        return(1);
                   1789: }
                   1790:
                   1791:
                   1792: /* ARGSUSED */
                   1793: static int
                   1794: termp_em_pre(DECL_ARGS)
                   1795: {
                   1796:
                   1797:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   1798:        return(1);
                   1799: }
                   1800:
                   1801:
                   1802: /* ARGSUSED */
                   1803: static int
                   1804: termp_cd_pre(DECL_ARGS)
                   1805: {
                   1806:
                   1807:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]);
                   1808:        term_newln(p);
                   1809:        return(1);
                   1810: }
                   1811:
                   1812:
                   1813: /* ARGSUSED */
                   1814: static int
                   1815: termp_cm_pre(DECL_ARGS)
                   1816: {
                   1817:
                   1818:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
                   1819:        return(1);
                   1820: }
                   1821:
                   1822:
                   1823: /* ARGSUSED */
                   1824: static int
                   1825: termp_ic_pre(DECL_ARGS)
                   1826: {
                   1827:
                   1828:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]);
                   1829:        return(1);
                   1830: }
                   1831:
                   1832:
                   1833: /* ARGSUSED */
                   1834: static int
                   1835: termp_in_pre(DECL_ARGS)
                   1836: {
                   1837:
                   1838:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]);
                   1839:        term_word(p, "#include");
                   1840:        term_word(p, "<");
                   1841:        p->flags |= TERMP_NOSPACE;
                   1842:        return(1);
                   1843: }
                   1844:
                   1845:
                   1846: /* ARGSUSED */
                   1847: static void
                   1848: termp_in_post(DECL_ARGS)
                   1849: {
                   1850:
                   1851:        p->flags |= TERMP_NOSPACE;
                   1852:        term_word(p, ">");
                   1853:
                   1854:        term_newln(p);
                   1855:        if (SEC_SYNOPSIS != node->sec)
                   1856:                return;
                   1857:        if (node->next && MDOC_In != node->next->tok)
                   1858:                term_vspace(p);
                   1859: }
                   1860:
                   1861:
                   1862: /* ARGSUSED */
                   1863: static int
                   1864: termp_at_pre(DECL_ARGS)
                   1865: {
                   1866:        const char      *att;
                   1867:
                   1868:        att = NULL;
                   1869:
                   1870:        if (node->child)
                   1871:                att = mdoc_a2att(node->child->string);
                   1872:        if (NULL == att)
                   1873:                att = "AT&T UNIX";
                   1874:
                   1875:        term_word(p, att);
                   1876:        return(0);
                   1877: }
                   1878:
                   1879:
                   1880: /* ARGSUSED */
                   1881: static int
                   1882: termp_brq_pre(DECL_ARGS)
                   1883: {
                   1884:
                   1885:        if (MDOC_BODY != node->type)
                   1886:                return(1);
                   1887:        term_word(p, "\\(lC");
                   1888:        p->flags |= TERMP_NOSPACE;
                   1889:        return(1);
                   1890: }
                   1891:
                   1892:
                   1893: /* ARGSUSED */
                   1894: static void
                   1895: termp_brq_post(DECL_ARGS)
                   1896: {
                   1897:
                   1898:        if (MDOC_BODY != node->type)
                   1899:                return;
                   1900:        p->flags |= TERMP_NOSPACE;
                   1901:        term_word(p, "\\(rC");
                   1902: }
                   1903:
                   1904:
                   1905: /* ARGSUSED */
                   1906: static int
                   1907: termp_bq_pre(DECL_ARGS)
                   1908: {
                   1909:
                   1910:        if (MDOC_BODY != node->type)
                   1911:                return(1);
                   1912:        term_word(p, "\\(lB");
                   1913:        p->flags |= TERMP_NOSPACE;
                   1914:        return(1);
                   1915: }
                   1916:
                   1917:
                   1918: /* ARGSUSED */
                   1919: static void
                   1920: termp_bq_post(DECL_ARGS)
                   1921: {
                   1922:
                   1923:        if (MDOC_BODY != node->type)
                   1924:                return;
                   1925:        p->flags |= TERMP_NOSPACE;
                   1926:        term_word(p, "\\(rB");
                   1927: }
                   1928:
                   1929:
                   1930: /* ARGSUSED */
                   1931: static int
                   1932: termp_pq_pre(DECL_ARGS)
                   1933: {
                   1934:
                   1935:        if (MDOC_BODY != node->type)
                   1936:                return(1);
                   1937:        term_word(p, "\\&(");
                   1938:        p->flags |= TERMP_NOSPACE;
                   1939:        return(1);
                   1940: }
                   1941:
                   1942:
                   1943: /* ARGSUSED */
                   1944: static void
                   1945: termp_pq_post(DECL_ARGS)
                   1946: {
                   1947:
                   1948:        if (MDOC_BODY != node->type)
                   1949:                return;
                   1950:        term_word(p, ")");
                   1951: }
                   1952:
                   1953:
                   1954: /* ARGSUSED */
                   1955: static int
                   1956: termp_fo_pre(DECL_ARGS)
                   1957: {
                   1958:        const struct mdoc_node *n;
                   1959:
                   1960:        if (MDOC_BODY == node->type) {
                   1961:                term_word(p, "(");
                   1962:                p->flags |= TERMP_NOSPACE;
                   1963:                return(1);
                   1964:        } else if (MDOC_HEAD != node->type)
                   1965:                return(1);
                   1966:
                   1967:        /* XXX - groff shows only first parameter */
                   1968:
                   1969:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1970:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1971:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1972:                term_word(p, n->string);
                   1973:        }
                   1974:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1975:
                   1976:        return(0);
                   1977: }
                   1978:
                   1979:
                   1980: /* ARGSUSED */
                   1981: static void
                   1982: termp_fo_post(DECL_ARGS)
                   1983: {
                   1984:
                   1985:        if (MDOC_BODY != node->type)
                   1986:                return;
                   1987:        p->flags |= TERMP_NOSPACE;
                   1988:        term_word(p, ")");
                   1989:        p->flags |= TERMP_NOSPACE;
                   1990:        term_word(p, ";");
                   1991:        term_newln(p);
                   1992: }
                   1993:
                   1994:
                   1995: /* ARGSUSED */
                   1996: static int
                   1997: termp_bf_pre(DECL_ARGS)
                   1998: {
                   1999:        const struct mdoc_node  *n;
                   2000:
                   2001:        if (MDOC_HEAD == node->type) {
                   2002:                return(0);
                   2003:        } else if (MDOC_BLOCK != node->type)
                   2004:                return(1);
                   2005:
                   2006:        if (NULL == (n = node->head->child)) {
                   2007:                if (arg_hasattr(MDOC_Emphasis, node))
                   2008:                        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2009:                else if (arg_hasattr(MDOC_Symbolic, node))
                   2010:                        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
                   2011:
                   2012:                return(1);
                   2013:        }
                   2014:
1.11      kristaps 2015:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2016:        if (0 == strcmp("Em", n->string))
                   2017:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2018:        else if (0 == strcmp("Sy", n->string))
                   2019:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
                   2020:
                   2021:        return(1);
                   2022: }
                   2023:
                   2024:
                   2025: /* ARGSUSED */
                   2026: static int
                   2027: termp_sy_pre(DECL_ARGS)
                   2028: {
                   2029:
                   2030:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
                   2031:        return(1);
                   2032: }
                   2033:
                   2034:
                   2035: /* ARGSUSED */
                   2036: static int
                   2037: termp_ms_pre(DECL_ARGS)
                   2038: {
                   2039:
                   2040:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]);
                   2041:        return(1);
                   2042: }
                   2043:
                   2044:
                   2045:
                   2046: /* ARGSUSED */
                   2047: static int
                   2048: termp_sm_pre(DECL_ARGS)
                   2049: {
                   2050:
1.11      kristaps 2051:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2052:        if (0 == strcmp("on", node->child->string)) {
                   2053:                p->flags &= ~TERMP_NONOSPACE;
                   2054:                p->flags &= ~TERMP_NOSPACE;
                   2055:        } else
                   2056:                p->flags |= TERMP_NONOSPACE;
                   2057:
                   2058:        return(0);
                   2059: }
                   2060:
                   2061:
                   2062: /* ARGSUSED */
                   2063: static int
                   2064: termp_ap_pre(DECL_ARGS)
                   2065: {
                   2066:
                   2067:        p->flags |= TERMP_NOSPACE;
                   2068:        term_word(p, "\\(aq");
                   2069:        p->flags |= TERMP_NOSPACE;
                   2070:        return(1);
                   2071: }
                   2072:
                   2073:
                   2074: /* ARGSUSED */
                   2075: static int
                   2076: termp__j_pre(DECL_ARGS)
                   2077: {
                   2078:
                   2079:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]);
                   2080:        return(1);
                   2081: }
                   2082:
                   2083:
                   2084: /* ARGSUSED */
                   2085: static int
                   2086: termp__t_pre(DECL_ARGS)
                   2087: {
                   2088:
                   2089:        term_word(p, "\"");
                   2090:        p->flags |= TERMP_NOSPACE;
                   2091:        return(1);
                   2092: }
                   2093:
                   2094:
                   2095: /* ARGSUSED */
                   2096: static void
                   2097: termp__t_post(DECL_ARGS)
                   2098: {
                   2099:
                   2100:        p->flags |= TERMP_NOSPACE;
                   2101:        term_word(p, "\"");
                   2102:        termp____post(p, pair, meta, node);
                   2103: }
                   2104:
                   2105:
                   2106: /* ARGSUSED */
                   2107: static void
                   2108: termp____post(DECL_ARGS)
                   2109: {
                   2110:
                   2111:        p->flags |= TERMP_NOSPACE;
                   2112:        term_word(p, node->next ? "," : ".");
                   2113: }
                   2114:
                   2115:
                   2116: /* ARGSUSED */
                   2117: static int
                   2118: termp_lk_pre(DECL_ARGS)
                   2119: {
                   2120:        const struct mdoc_node *n;
                   2121:
1.11      kristaps 2122:        assert(node->child);
                   2123:        n = node->child;
1.1       kristaps 2124:
1.12      kristaps 2125:        if (NULL == n->next) {
                   2126:                TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
                   2127:                return(1);
                   2128:        }
                   2129:
1.1       kristaps 2130:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2131:        term_word(p, n->string);
                   2132:        p->flags |= TERMP_NOSPACE;
                   2133:        term_word(p, ":");
1.12      kristaps 2134:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2135:
                   2136:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2137:        for (n = n->next; n; n = n->next)
1.1       kristaps 2138:                term_word(p, n->string);
1.12      kristaps 2139:
1.1       kristaps 2140:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2141:        return(0);
                   2142: }
                   2143:
                   2144:
                   2145: /* ARGSUSED */
                   2146: static int
                   2147: termp_mt_pre(DECL_ARGS)
                   2148: {
                   2149:
                   2150:        TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
                   2151:        return(1);
                   2152: }
                   2153:
                   2154:

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