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Annotation of mandoc/mdoc_term.c, Revision 1.29

1.29    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.28 2009/07/12 17:25:07 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
                     29: /* FIXME: macro arguments can be escaped. */
                     30: /* FIXME: support more offset/width tokens. */
                     31:
                     32: #define        TTYPE_PROG        0
                     33: #define        TTYPE_CMD_FLAG    1
                     34: #define        TTYPE_CMD_ARG     2
                     35: #define        TTYPE_SECTION     3
                     36: #define        TTYPE_FUNC_DECL   4
                     37: #define        TTYPE_VAR_DECL    5
                     38: #define        TTYPE_FUNC_TYPE   6
                     39: #define        TTYPE_FUNC_NAME   7
                     40: #define        TTYPE_FUNC_ARG    8
                     41: #define        TTYPE_LINK        9
                     42: #define        TTYPE_SSECTION    10
                     43: #define        TTYPE_FILE        11
                     44: #define        TTYPE_EMPH        12
                     45: #define        TTYPE_CONFIG      13
                     46: #define        TTYPE_CMD         14
                     47: #define        TTYPE_INCLUDE     15
                     48: #define        TTYPE_SYMB        16
                     49: #define        TTYPE_SYMBOL      17
                     50: #define        TTYPE_DIAG        18
                     51: #define        TTYPE_LINK_ANCHOR 19
                     52: #define        TTYPE_LINK_TEXT   20
                     53: #define        TTYPE_REF_JOURNAL 21
                     54: #define        TTYPE_LIST        22
                     55: #define        TTYPE_NMAX        23
                     56:
                     57: const  int ttypes[TTYPE_NMAX] = {
                     58:        TERMP_BOLD,             /* TTYPE_PROG */
                     59:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     60:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     61:        TERMP_BOLD,             /* TTYPE_SECTION */
                     62:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     63:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     64:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     65:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     66:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     67:        TERMP_UNDER,            /* TTYPE_LINK */
                     68:        TERMP_BOLD,             /* TTYPE_SSECTION */
                     69:        TERMP_UNDER,            /* TTYPE_FILE */
                     70:        TERMP_UNDER,            /* TTYPE_EMPH */
                     71:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     72:        TERMP_BOLD,             /* TTYPE_CMD */
                     73:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     74:        TERMP_BOLD,             /* TTYPE_SYMB */
                     75:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     76:        TERMP_BOLD,             /* TTYPE_DIAG */
                     77:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     78:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     79:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
                     80:        TERMP_BOLD              /* TTYPE_LIST */
                     81: };
                     82:
1.28      kristaps   83: /*
                     84:  * This is used to preserve a style of value across a macro, instead of
                     85:  * losing it while the body is processed.
                     86:  */
1.1       kristaps   87: struct termpair {
                     88:        struct termpair  *ppair;
1.10      kristaps   89:        int               flag;         /* Whether being used. */
                     90:        size_t            rmargin;      /* Right margin. */
                     91:        int               count;        /* Enum count. */
1.1       kristaps   92: };
                     93:
                     94: #define        DECL_ARGS \
                     95:        struct termp *p, struct termpair *pair, \
                     96:        const struct mdoc_meta *meta, \
                     97:        const struct mdoc_node *node
                     98:
                     99: #define        DECL_PRE(name) \
                    100: static int               name##_pre(DECL_ARGS)
                    101: #define        DECL_POST(name) \
                    102: static void              name##_post(DECL_ARGS)
                    103: #define        DECL_PREPOST(name) \
                    104: DECL_PRE(name); \
                    105: DECL_POST(name);
                    106:
                    107: DECL_PREPOST(termp__t);
                    108: DECL_PREPOST(termp_aq);
                    109: DECL_PREPOST(termp_bd);
                    110: DECL_PREPOST(termp_bq);
                    111: DECL_PREPOST(termp_brq);
                    112: DECL_PREPOST(termp_d1);
                    113: DECL_PREPOST(termp_dq);
                    114: DECL_PREPOST(termp_fd);
                    115: DECL_PREPOST(termp_fn);
                    116: DECL_PREPOST(termp_fo);
                    117: DECL_PREPOST(termp_ft);
                    118: DECL_PREPOST(termp_in);
                    119: DECL_PREPOST(termp_it);
                    120: DECL_PREPOST(termp_lb);
                    121: DECL_PREPOST(termp_op);
                    122: DECL_PREPOST(termp_pf);
                    123: DECL_PREPOST(termp_pq);
                    124: DECL_PREPOST(termp_qq);
                    125: DECL_PREPOST(termp_sh);
                    126: DECL_PREPOST(termp_ss);
                    127: DECL_PREPOST(termp_sq);
                    128: DECL_PREPOST(termp_vt);
                    129:
                    130: DECL_PRE(termp__j);
                    131: DECL_PRE(termp_ap);
                    132: DECL_PRE(termp_ar);
                    133: DECL_PRE(termp_at);
                    134: DECL_PRE(termp_bf);
                    135: DECL_PRE(termp_bt);
                    136: DECL_PRE(termp_cd);
                    137: DECL_PRE(termp_cm);
                    138: DECL_PRE(termp_em);
                    139: DECL_PRE(termp_ex);
                    140: DECL_PRE(termp_fa);
                    141: DECL_PRE(termp_fl);
                    142: DECL_PRE(termp_ic);
                    143: DECL_PRE(termp_lk);
                    144: DECL_PRE(termp_ms);
                    145: DECL_PRE(termp_mt);
                    146: DECL_PRE(termp_nd);
                    147: DECL_PRE(termp_nm);
                    148: DECL_PRE(termp_ns);
1.26      kristaps  149: DECL_PRE(termp_xx);
1.1       kristaps  150: DECL_PRE(termp_pa);
                    151: DECL_PRE(termp_pp);
                    152: DECL_PRE(termp_rs);
                    153: DECL_PRE(termp_rv);
                    154: DECL_PRE(termp_sm);
                    155: DECL_PRE(termp_st);
                    156: DECL_PRE(termp_sx);
                    157: DECL_PRE(termp_sy);
                    158: DECL_PRE(termp_ud);
                    159: DECL_PRE(termp_va);
                    160: DECL_PRE(termp_xr);
                    161:
                    162: DECL_POST(termp___);
                    163: DECL_POST(termp_bl);
                    164: DECL_POST(termp_bx);
                    165:
                    166: struct termact {
                    167:        int     (*pre)(DECL_ARGS);
                    168:        void    (*post)(DECL_ARGS);
                    169: };
                    170:
                    171: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  172:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  173:        { NULL, NULL }, /* Dd */
                    174:        { NULL, NULL }, /* Dt */
                    175:        { NULL, NULL }, /* Os */
                    176:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    177:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    178:        { termp_pp_pre, NULL }, /* Pp */
                    179:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    180:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    181:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    182:        { NULL, NULL }, /* Ed */
                    183:        { NULL, termp_bl_post }, /* Bl */
                    184:        { NULL, NULL }, /* El */
                    185:        { termp_it_pre, termp_it_post }, /* It */
                    186:        { NULL, NULL }, /* Ad */
                    187:        { NULL, NULL }, /* An */
                    188:        { termp_ar_pre, NULL }, /* Ar */
                    189:        { termp_cd_pre, NULL }, /* Cd */
                    190:        { termp_cm_pre, NULL }, /* Cm */
                    191:        { NULL, NULL }, /* Dv */
                    192:        { NULL, NULL }, /* Er */
                    193:        { NULL, NULL }, /* Ev */
                    194:        { termp_ex_pre, NULL }, /* Ex */
                    195:        { termp_fa_pre, NULL }, /* Fa */
                    196:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    197:        { termp_fl_pre, NULL }, /* Fl */
                    198:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    199:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    200:        { termp_ic_pre, NULL }, /* Ic */
                    201:        { termp_in_pre, termp_in_post }, /* In */
                    202:        { NULL, NULL }, /* Li */
                    203:        { termp_nd_pre, NULL }, /* Nd */
                    204:        { termp_nm_pre, NULL }, /* Nm */
                    205:        { termp_op_pre, termp_op_post }, /* Op */
                    206:        { NULL, NULL }, /* Ot */
                    207:        { termp_pa_pre, NULL }, /* Pa */
                    208:        { termp_rv_pre, NULL }, /* Rv */
                    209:        { termp_st_pre, NULL }, /* St */
                    210:        { termp_va_pre, NULL }, /* Va */
                    211:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    212:        { termp_xr_pre, NULL }, /* Xr */
                    213:        { NULL, termp____post }, /* %A */
                    214:        { NULL, termp____post }, /* %B */
                    215:        { NULL, termp____post }, /* %D */
                    216:        { NULL, termp____post }, /* %I */
                    217:        { termp__j_pre, termp____post }, /* %J */
                    218:        { NULL, termp____post }, /* %N */
                    219:        { NULL, termp____post }, /* %O */
                    220:        { NULL, termp____post }, /* %P */
                    221:        { NULL, termp____post }, /* %R */
                    222:        { termp__t_pre, termp__t_post }, /* %T */
                    223:        { NULL, termp____post }, /* %V */
                    224:        { NULL, NULL }, /* Ac */
                    225:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    226:        { termp_aq_pre, termp_aq_post }, /* Aq */
                    227:        { termp_at_pre, NULL }, /* At */
                    228:        { NULL, NULL }, /* Bc */
                    229:        { termp_bf_pre, NULL }, /* Bf */
                    230:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    231:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  232:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  233:        { NULL, termp_bx_post }, /* Bx */
                    234:        { NULL, NULL }, /* Db */
                    235:        { NULL, NULL }, /* Dc */
                    236:        { termp_dq_pre, termp_dq_post }, /* Do */
                    237:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    238:        { NULL, NULL }, /* Ec */
                    239:        { NULL, NULL }, /* Ef */
                    240:        { termp_em_pre, NULL }, /* Em */
                    241:        { NULL, NULL }, /* Eo */
1.26      kristaps  242:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  243:        { termp_ms_pre, NULL }, /* Ms */
                    244:        { NULL, NULL }, /* No */
                    245:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  246:        { termp_xx_pre, NULL }, /* Nx */
                    247:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  248:        { NULL, NULL }, /* Pc */
                    249:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    250:        { termp_pq_pre, termp_pq_post }, /* Po */
                    251:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    252:        { NULL, NULL }, /* Qc */
                    253:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    254:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    255:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    256:        { NULL, NULL }, /* Re */
                    257:        { termp_rs_pre, NULL }, /* Rs */
                    258:        { NULL, NULL }, /* Sc */
                    259:        { termp_sq_pre, termp_sq_post }, /* So */
                    260:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    261:        { termp_sm_pre, NULL }, /* Sm */
                    262:        { termp_sx_pre, NULL }, /* Sx */
                    263:        { termp_sy_pre, NULL }, /* Sy */
                    264:        { NULL, NULL }, /* Tn */
1.26      kristaps  265:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  266:        { NULL, NULL }, /* Xc */
                    267:        { NULL, NULL }, /* Xo */
                    268:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    269:        { NULL, NULL }, /* Fc */
                    270:        { termp_op_pre, termp_op_post }, /* Oo */
                    271:        { NULL, NULL }, /* Oc */
                    272:        { NULL, NULL }, /* Bk */
                    273:        { NULL, NULL }, /* Ek */
                    274:        { termp_bt_pre, NULL }, /* Bt */
                    275:        { NULL, NULL }, /* Hf */
                    276:        { NULL, NULL }, /* Fr */
                    277:        { termp_ud_pre, NULL }, /* Ud */
                    278:        { termp_lb_pre, termp_lb_post }, /* Lb */
1.14      kristaps  279:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  280:        { termp_lk_pre, NULL }, /* Lk */
                    281:        { termp_mt_pre, NULL }, /* Mt */
                    282:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    283:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    284:        { NULL, NULL }, /* Brc */
                    285:        { NULL, NULL }, /* %C */
                    286:        { NULL, NULL }, /* Es */
                    287:        { NULL, NULL }, /* En */
1.26      kristaps  288:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  289:        { NULL, NULL }, /* %Q */
                    290: };
                    291:
1.2       kristaps  292: #ifdef __linux__
1.9       kristaps  293: extern size_t    strlcpy(char *, const char *, size_t);
                    294: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  295: #endif
                    296:
1.1       kristaps  297: static int       arg_hasattr(int, const struct mdoc_node *);
                    298: static int       arg_getattrs(const int *, int *, size_t,
                    299:                        const struct mdoc_node *);
                    300: static int       arg_getattr(int, const struct mdoc_node *);
                    301: static size_t    arg_offset(const struct mdoc_argv *);
                    302: static size_t    arg_width(const struct mdoc_argv *, int);
                    303: static int       arg_listtype(const struct mdoc_node *);
                    304: static int       fmt_block_vspace(struct termp *,
                    305:                        const struct mdoc_node *,
                    306:                        const struct mdoc_node *);
1.3       kristaps  307: static void      print_node(DECL_ARGS);
                    308: static void      print_head(struct termp *,
1.1       kristaps  309:                        const struct mdoc_meta *);
1.3       kristaps  310: static void      print_body(DECL_ARGS);
                    311: static void      print_foot(struct termp *,
1.1       kristaps  312:                        const struct mdoc_meta *);
                    313:
                    314:
                    315: int
                    316: mdoc_run(struct termp *p, const struct mdoc *m)
                    317: {
1.9       kristaps  318:        /*
                    319:         * Main output function.  When this is called, assume that the
                    320:         * tree is properly formed.
                    321:         */
1.1       kristaps  322:
1.3       kristaps  323:        print_head(p, mdoc_meta(m));
1.14      kristaps  324:        assert(mdoc_node(m));
                    325:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    326:        if (mdoc_node(m)->child)
                    327:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  328:        print_foot(p, mdoc_meta(m));
                    329:        return(1);
1.1       kristaps  330: }
                    331:
                    332:
1.3       kristaps  333: static void
1.1       kristaps  334: print_body(DECL_ARGS)
                    335: {
                    336:
1.3       kristaps  337:        print_node(p, pair, meta, node);
1.1       kristaps  338:        if ( ! node->next)
1.3       kristaps  339:                return;
                    340:        print_body(p, pair, meta, node->next);
1.1       kristaps  341: }
                    342:
                    343:
1.3       kristaps  344: static void
1.1       kristaps  345: print_node(DECL_ARGS)
                    346: {
                    347:        int              dochild;
                    348:        struct termpair  npair;
1.29    ! kristaps  349:        size_t           offset;
1.1       kristaps  350:
                    351:        /* Pre-processing. */
                    352:
                    353:        dochild = 1;
1.29    ! kristaps  354:        offset = p->offset;
        !           355:
1.1       kristaps  356:        npair.ppair = pair;
1.29    ! kristaps  357:        npair.rmargin = 0;
1.1       kristaps  358:        npair.flag = 0;
                    359:        npair.count = 0;
                    360:
                    361:        if (MDOC_TEXT != node->type) {
                    362:                if (termacts[node->tok].pre)
                    363:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    364:                                dochild = 0;
                    365:        } else /* MDOC_TEXT == node->type */
                    366:                term_word(p, node->string);
                    367:
                    368:        /* Children. */
                    369:
1.28      kristaps  370:        p->flags |= npair.flag;
1.1       kristaps  371:
                    372:        if (dochild && node->child)
                    373:                print_body(p, &npair, meta, node->child);
                    374:
                    375:        /* Post-processing. */
                    376:
                    377:        if (MDOC_TEXT != node->type)
                    378:                if (termacts[node->tok].post)
                    379:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29    ! kristaps  380:
        !           381:        p->offset = offset;
        !           382:        p->flags &= ~npair.flag;
1.1       kristaps  383: }
                    384:
                    385:
1.3       kristaps  386: static void
1.1       kristaps  387: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    388: {
                    389:        struct tm       *tm;
                    390:        char            *buf, *os;
                    391:
1.9       kristaps  392:        /*
                    393:         * Output the footer in new-groff style, that is, three columns
                    394:         * with the middle being the manual date and flanking columns
                    395:         * being the operating system:
                    396:         *
                    397:         * SYSTEM                  DATE                    SYSTEM
                    398:         */
                    399:
1.1       kristaps  400:        if (NULL == (buf = malloc(p->rmargin)))
                    401:                err(1, "malloc");
                    402:        if (NULL == (os = malloc(p->rmargin)))
                    403:                err(1, "malloc");
                    404:
                    405:        tm = localtime(&meta->date);
                    406:
                    407:        if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
                    408:                err(1, "strftime");
                    409:
                    410:        (void)strlcpy(os, meta->os, p->rmargin);
                    411:
                    412:        term_vspace(p);
                    413:
1.9       kristaps  414:        p->offset = 0;
                    415:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  416:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    417:
                    418:        term_word(p, os);
                    419:        term_flushln(p);
                    420:
1.9       kristaps  421:        p->offset = p->rmargin;
                    422:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  423:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  424:
                    425:        term_word(p, buf);
                    426:        term_flushln(p);
                    427:
1.1       kristaps  428:        p->offset = p->rmargin;
                    429:        p->rmargin = p->maxrmargin;
                    430:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  431:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  432:
1.9       kristaps  433:        term_word(p, os);
1.1       kristaps  434:        term_flushln(p);
                    435:
1.9       kristaps  436:        p->offset = 0;
                    437:        p->rmargin = p->maxrmargin;
                    438:        p->flags = 0;
                    439:
1.1       kristaps  440:        free(buf);
                    441:        free(os);
                    442: }
                    443:
                    444:
1.3       kristaps  445: static void
1.1       kristaps  446: print_head(struct termp *p, const struct mdoc_meta *meta)
                    447: {
                    448:        char            *buf, *title;
                    449:
                    450:        p->rmargin = p->maxrmargin;
                    451:        p->offset = 0;
                    452:
                    453:        if (NULL == (buf = malloc(p->rmargin)))
                    454:                err(1, "malloc");
                    455:        if (NULL == (title = malloc(p->rmargin)))
                    456:                err(1, "malloc");
                    457:
                    458:        /*
                    459:         * The header is strange.  It has three components, which are
                    460:         * really two with the first duplicated.  It goes like this:
                    461:         *
                    462:         * IDENTIFIER              TITLE                   IDENTIFIER
                    463:         *
                    464:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    465:         * (if given, or "unknown" if not) followed by the manual page
                    466:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    467:         * string depending on the manual volume.  If not specified, it
                    468:         * switches on the manual section.
                    469:         */
                    470:
                    471:        assert(meta->vol);
                    472:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    473:
                    474:        if (meta->arch) {
                    475:                (void)strlcat(buf, " (", p->rmargin);
                    476:                (void)strlcat(buf, meta->arch, p->rmargin);
                    477:                (void)strlcat(buf, ")", p->rmargin);
                    478:        }
                    479:
                    480:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    481:                        meta->title, meta->msec);
                    482:
                    483:        p->offset = 0;
1.8       kristaps  484:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  485:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    486:
                    487:        term_word(p, title);
                    488:        term_flushln(p);
                    489:
                    490:        p->offset = p->rmargin;
                    491:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  492:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  493:
                    494:        term_word(p, buf);
                    495:        term_flushln(p);
                    496:
                    497:        p->offset = p->rmargin;
                    498:        p->rmargin = p->maxrmargin;
                    499:        p->flags &= ~TERMP_NOBREAK;
                    500:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    501:
                    502:        term_word(p, title);
                    503:        term_flushln(p);
                    504:
1.9       kristaps  505:        p->offset = 0;
1.1       kristaps  506:        p->rmargin = p->maxrmargin;
                    507:        p->flags &= ~TERMP_NOSPACE;
                    508:
                    509:        free(title);
                    510:        free(buf);
                    511: }
                    512:
                    513:
                    514: static size_t
                    515: arg_width(const struct mdoc_argv *arg, int pos)
                    516: {
                    517:        size_t           v;
                    518:        int              i, len;
                    519:
                    520:        assert(pos < (int)arg->sz && pos >= 0);
                    521:        assert(arg->value[pos]);
                    522:
                    523:        if (0 == (len = (int)strlen(arg->value[pos])))
                    524:                return(0);
                    525:
                    526:        for (i = 0; i < len - 1; i++)
                    527:                if ( ! isdigit((u_char)arg->value[pos][i]))
                    528:                        break;
                    529:
                    530:        if (i == len - 1) {
1.16      kristaps  531:                if ('n' == arg->value[pos][len - 1] ||
                    532:                                'm' == arg->value[pos][len - 1]) {
1.1       kristaps  533:                        v = (size_t)atoi(arg->value[pos]);
1.16      kristaps  534:                        return(v + 2);
1.1       kristaps  535:                }
                    536:
                    537:        }
1.16      kristaps  538:        return(strlen(arg->value[pos]) + 2);
1.1       kristaps  539: }
                    540:
                    541:
                    542: static int
                    543: arg_listtype(const struct mdoc_node *n)
                    544: {
                    545:        int              i, len;
                    546:
                    547:        assert(MDOC_BLOCK == n->type);
                    548:
                    549:        len = (int)(n->args ? n->args->argc : 0);
                    550:
                    551:        for (i = 0; i < len; i++)
                    552:                switch (n->args->argv[i].arg) {
                    553:                case (MDOC_Bullet):
                    554:                        /* FALLTHROUGH */
                    555:                case (MDOC_Dash):
                    556:                        /* FALLTHROUGH */
                    557:                case (MDOC_Enum):
                    558:                        /* FALLTHROUGH */
                    559:                case (MDOC_Hyphen):
                    560:                        /* FALLTHROUGH */
                    561:                case (MDOC_Tag):
                    562:                        /* FALLTHROUGH */
                    563:                case (MDOC_Inset):
                    564:                        /* FALLTHROUGH */
                    565:                case (MDOC_Diag):
                    566:                        /* FALLTHROUGH */
                    567:                case (MDOC_Item):
                    568:                        /* FALLTHROUGH */
                    569:                case (MDOC_Column):
                    570:                        /* FALLTHROUGH */
                    571:                case (MDOC_Ohang):
                    572:                        return(n->args->argv[i].arg);
                    573:                default:
                    574:                        break;
                    575:                }
                    576:
1.11      kristaps  577:        /* FIXME: mandated by parser. */
                    578:
1.1       kristaps  579:        errx(1, "list type not supported");
                    580:        /* NOTREACHED */
                    581: }
                    582:
                    583:
                    584: static size_t
                    585: arg_offset(const struct mdoc_argv *arg)
                    586: {
                    587:
                    588:        assert(*arg->value);
1.10      kristaps  589:        if (0 == strcmp(*arg->value, "left"))
1.19      kristaps  590:                return(0);
1.1       kristaps  591:        if (0 == strcmp(*arg->value, "indent"))
1.16      kristaps  592:                return(INDENT + 1);
1.1       kristaps  593:        if (0 == strcmp(*arg->value, "indent-two"))
1.20      kristaps  594:                return((INDENT + 1) * 2);
1.10      kristaps  595:
                    596:        /* FIXME: needs to support field-widths (10n, etc.). */
1.11      kristaps  597:
1.1       kristaps  598:        return(strlen(*arg->value));
                    599: }
                    600:
                    601:
                    602: static int
                    603: arg_hasattr(int arg, const struct mdoc_node *n)
                    604: {
                    605:
                    606:        return(-1 != arg_getattr(arg, n));
                    607: }
                    608:
                    609:
                    610: static int
                    611: arg_getattr(int v, const struct mdoc_node *n)
                    612: {
                    613:        int              val;
                    614:
                    615:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    616: }
                    617:
                    618:
                    619: static int
                    620: arg_getattrs(const int *keys, int *vals,
                    621:                size_t sz, const struct mdoc_node *n)
                    622: {
                    623:        int              i, j, k;
                    624:
                    625:        if (NULL == n->args)
                    626:                return(0);
                    627:
                    628:        for (k = i = 0; i < (int)n->args->argc; i++)
                    629:                for (j = 0; j < (int)sz; j++)
                    630:                        if (n->args->argv[i].arg == keys[j]) {
                    631:                                vals[j] = i;
                    632:                                k++;
                    633:                        }
                    634:        return(k);
                    635: }
                    636:
                    637:
                    638: /* ARGSUSED */
                    639: static int
                    640: fmt_block_vspace(struct termp *p,
                    641:                const struct mdoc_node *bl,
                    642:                const struct mdoc_node *node)
                    643: {
                    644:        const struct mdoc_node *n;
                    645:
                    646:        term_newln(p);
                    647:
                    648:        if (arg_hasattr(MDOC_Compact, bl))
                    649:                return(1);
                    650:
                    651:        for (n = node; n; n = n->parent) {
                    652:                if (MDOC_BLOCK != n->type)
                    653:                        continue;
                    654:                if (MDOC_Ss == n->tok)
                    655:                        break;
                    656:                if (MDOC_Sh == n->tok)
                    657:                        break;
                    658:                if (NULL == n->prev)
                    659:                        continue;
                    660:                term_vspace(p);
                    661:                break;
                    662:        }
                    663:
                    664:        return(1);
                    665: }
                    666:
                    667:
                    668: /* ARGSUSED */
                    669: static int
                    670: termp_dq_pre(DECL_ARGS)
                    671: {
                    672:
                    673:        if (MDOC_BODY != node->type)
                    674:                return(1);
                    675:
                    676:        term_word(p, "\\(lq");
                    677:        p->flags |= TERMP_NOSPACE;
                    678:        return(1);
                    679: }
                    680:
                    681:
                    682: /* ARGSUSED */
                    683: static void
                    684: termp_dq_post(DECL_ARGS)
                    685: {
                    686:
                    687:        if (MDOC_BODY != node->type)
                    688:                return;
                    689:
                    690:        p->flags |= TERMP_NOSPACE;
                    691:        term_word(p, "\\(rq");
                    692: }
                    693:
                    694:
                    695: /* ARGSUSED */
                    696: static int
                    697: termp_it_pre(DECL_ARGS)
                    698: {
                    699:        const struct mdoc_node *bl, *n;
                    700:        char                    buf[7];
1.15      kristaps  701:        int                     i, type, keys[3], vals[3], sv;
1.1       kristaps  702:        size_t                  width, offset;
                    703:
                    704:        if (MDOC_BLOCK == node->type)
                    705:                return(fmt_block_vspace(p, node->parent->parent, node));
                    706:
                    707:        bl = node->parent->parent->parent;
                    708:
                    709:        /* Save parent attributes. */
                    710:
                    711:        pair->rmargin = p->rmargin;
                    712:        pair->flag = p->flags;
                    713:
                    714:        /* Get list width and offset. */
                    715:
                    716:        keys[0] = MDOC_Width;
                    717:        keys[1] = MDOC_Offset;
                    718:        keys[2] = MDOC_Column;
                    719:
                    720:        vals[0] = vals[1] = vals[2] = -1;
                    721:
                    722:        width = offset = 0;
                    723:
                    724:        (void)arg_getattrs(keys, vals, 3, bl);
                    725:
                    726:        type = arg_listtype(bl);
                    727:
                    728:        /* Calculate real width and offset. */
                    729:
                    730:        switch (type) {
                    731:        case (MDOC_Column):
                    732:                if (MDOC_BODY == node->type)
                    733:                        break;
                    734:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    735:                        offset += arg_width
                    736:                                (&bl->args->argv[vals[2]], i);
                    737:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    738:                width = arg_width(&bl->args->argv[vals[2]], i);
                    739:                if (vals[1] >= 0)
                    740:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    741:                break;
                    742:        default:
                    743:                if (vals[0] >= 0)
                    744:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    745:                if (vals[1] >= 0)
1.19      kristaps  746:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  747:                break;
                    748:        }
                    749:
                    750:        /*
                    751:         * List-type can override the width in the case of fixed-head
                    752:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
                    753:         * offset.
                    754:         */
                    755:
                    756:        switch (type) {
                    757:        case (MDOC_Bullet):
                    758:                /* FALLTHROUGH */
                    759:        case (MDOC_Dash):
                    760:                /* FALLTHROUGH */
                    761:        case (MDOC_Hyphen):
                    762:                if (width < 4)
                    763:                        width = 4;
                    764:                break;
1.17      kristaps  765:        case (MDOC_Enum):
                    766:                if (width < 5)
                    767:                        width = 5;
                    768:                break;
1.1       kristaps  769:        case (MDOC_Tag):
                    770:                if (0 == width)
                    771:                        width = 10;
                    772:                break;
                    773:        default:
                    774:                break;
                    775:        }
                    776:
                    777:        /*
1.17      kristaps  778:         * Whitespace control.  Inset bodies need an initial space,
                    779:         * while diagonal bodies need two.
1.1       kristaps  780:         */
                    781:
                    782:        switch (type) {
                    783:        case (MDOC_Diag):
1.17      kristaps  784:                term_word(p, "\\ ");
1.1       kristaps  785:                /* FALLTHROUGH */
                    786:        case (MDOC_Inset):
                    787:                if (MDOC_BODY == node->type)
                    788:                        p->flags &= ~TERMP_NOSPACE;
                    789:                else
                    790:                        p->flags |= TERMP_NOSPACE;
                    791:                break;
                    792:        default:
                    793:                p->flags |= TERMP_NOSPACE;
                    794:                break;
                    795:        }
                    796:
                    797:        /*
                    798:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    799:         */
                    800:
                    801:        switch (type) {
                    802:        case (MDOC_Diag):
                    803:                if (MDOC_HEAD == node->type)
                    804:                        p->flags |= ttypes[TTYPE_DIAG];
                    805:                break;
                    806:        default:
                    807:                break;
                    808:        }
                    809:
                    810:        /*
                    811:         * Pad and break control.  This is the tricker part.  Lists with
                    812:         * set right-margins for the head get TERMP_NOBREAK because, if
                    813:         * they overrun the margin, they wrap to the new margin.
                    814:         * Correspondingly, the body for these types don't left-pad, as
                    815:         * the head will pad out to to the right.
                    816:         */
                    817:
                    818:        switch (type) {
                    819:        case (MDOC_Bullet):
                    820:                /* FALLTHROUGH */
                    821:        case (MDOC_Dash):
                    822:                /* FALLTHROUGH */
                    823:        case (MDOC_Enum):
                    824:                /* FALLTHROUGH */
                    825:        case (MDOC_Hyphen):
                    826:                /* FALLTHROUGH */
                    827:        case (MDOC_Tag):
                    828:                if (MDOC_HEAD == node->type)
                    829:                        p->flags |= TERMP_NOBREAK;
                    830:                else
                    831:                        p->flags |= TERMP_NOLPAD;
                    832:                if (MDOC_HEAD == node->type && MDOC_Tag == type)
                    833:                        if (NULL == node->next ||
                    834:                                        NULL == node->next->child)
                    835:                                p->flags |= TERMP_NONOBREAK;
                    836:                break;
                    837:        case (MDOC_Column):
                    838:                if (MDOC_HEAD == node->type) {
                    839:                        assert(node->next);
                    840:                        if (MDOC_BODY == node->next->type)
                    841:                                p->flags &= ~TERMP_NOBREAK;
                    842:                        else
                    843:                                p->flags |= TERMP_NOBREAK;
                    844:                        if (node->prev)
                    845:                                p->flags |= TERMP_NOLPAD;
                    846:                }
                    847:                break;
                    848:        case (MDOC_Diag):
                    849:                if (MDOC_HEAD == node->type)
                    850:                        p->flags |= TERMP_NOBREAK;
                    851:                break;
                    852:        default:
                    853:                break;
                    854:        }
                    855:
                    856:        /*
                    857:         * Margin control.  Set-head-width lists have their right
                    858:         * margins shortened.  The body for these lists has the offset
                    859:         * necessarily lengthened.  Everybody gets the offset.
                    860:         */
                    861:
                    862:        p->offset += offset;
                    863:
                    864:        switch (type) {
                    865:        case (MDOC_Bullet):
                    866:                /* FALLTHROUGH */
                    867:        case (MDOC_Dash):
                    868:                /* FALLTHROUGH */
                    869:        case (MDOC_Enum):
                    870:                /* FALLTHROUGH */
                    871:        case (MDOC_Hyphen):
                    872:                /* FALLTHROUGH */
                    873:        case (MDOC_Tag):
                    874:                if (MDOC_HEAD == node->type)
                    875:                        p->rmargin = p->offset + width;
                    876:                else
                    877:                        p->offset += width;
                    878:                break;
                    879:        case (MDOC_Column):
                    880:                p->rmargin = p->offset + width;
                    881:                break;
                    882:        default:
                    883:                break;
                    884:        }
                    885:
                    886:        /*
                    887:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  888:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  889:         */
                    890:
1.15      kristaps  891:        sv = p->flags;
1.1       kristaps  892:        if (MDOC_HEAD == node->type)
                    893:                switch (type) {
                    894:                case (MDOC_Bullet):
1.15      kristaps  895:                        p->flags |= TERMP_BOLD;
1.1       kristaps  896:                        term_word(p, "\\[bu]");
                    897:                        break;
                    898:                case (MDOC_Dash):
                    899:                        /* FALLTHROUGH */
                    900:                case (MDOC_Hyphen):
1.15      kristaps  901:                        p->flags |= TERMP_BOLD;
1.27      kristaps  902:                        term_word(p, "\\(hy");
1.1       kristaps  903:                        break;
                    904:                case (MDOC_Enum):
                    905:                        (pair->ppair->ppair->count)++;
                    906:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    907:                                        pair->ppair->ppair->count);
                    908:                        term_word(p, buf);
                    909:                        break;
                    910:                default:
                    911:                        break;
                    912:                }
                    913:
1.15      kristaps  914:        p->flags = sv; /* Restore saved flags. */
                    915:
1.1       kristaps  916:        /*
                    917:         * If we're not going to process our children, indicate so here.
                    918:         */
                    919:
                    920:        switch (type) {
                    921:        case (MDOC_Bullet):
                    922:                /* FALLTHROUGH */
                    923:        case (MDOC_Item):
                    924:                /* FALLTHROUGH */
                    925:        case (MDOC_Dash):
                    926:                /* FALLTHROUGH */
                    927:        case (MDOC_Hyphen):
                    928:                /* FALLTHROUGH */
                    929:        case (MDOC_Enum):
                    930:                if (MDOC_HEAD == node->type)
                    931:                        return(0);
                    932:                break;
                    933:        case (MDOC_Column):
                    934:                if (MDOC_BODY == node->type)
                    935:                        return(0);
                    936:                break;
                    937:        default:
                    938:                break;
                    939:        }
                    940:
                    941:        return(1);
                    942: }
                    943:
                    944:
                    945: /* ARGSUSED */
                    946: static void
                    947: termp_it_post(DECL_ARGS)
                    948: {
                    949:        int                type;
                    950:
                    951:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                    952:                return;
                    953:
                    954:        type = arg_listtype(node->parent->parent->parent);
                    955:
                    956:        switch (type) {
                    957:        case (MDOC_Diag):
                    958:                /* FALLTHROUGH */
                    959:        case (MDOC_Item):
                    960:                /* FALLTHROUGH */
                    961:        case (MDOC_Inset):
                    962:                if (MDOC_BODY == node->type)
                    963:                        term_flushln(p);
                    964:                break;
                    965:        case (MDOC_Column):
                    966:                if (MDOC_HEAD == node->type)
                    967:                        term_flushln(p);
                    968:                break;
                    969:        default:
                    970:                term_flushln(p);
                    971:                break;
                    972:        }
                    973:
                    974:        p->rmargin = pair->rmargin;
                    975:        p->flags = pair->flag;
                    976: }
                    977:
                    978:
                    979: /* ARGSUSED */
                    980: static int
                    981: termp_nm_pre(DECL_ARGS)
                    982: {
                    983:
                    984:        if (SEC_SYNOPSIS == node->sec)
                    985:                term_newln(p);
                    986:
1.28      kristaps  987:        pair->flag |= ttypes[TTYPE_PROG];
                    988:        p->flags |= ttypes[TTYPE_PROG];
                    989:
1.1       kristaps  990:        if (NULL == node->child)
                    991:                term_word(p, meta->name);
                    992:
                    993:        return(1);
                    994: }
                    995:
                    996:
                    997: /* ARGSUSED */
                    998: static int
                    999: termp_fl_pre(DECL_ARGS)
                   1000: {
                   1001:
1.28      kristaps 1002:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1003:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1004:        term_word(p, "\\-");
                   1005:        p->flags |= TERMP_NOSPACE;
                   1006:        return(1);
                   1007: }
                   1008:
                   1009:
                   1010: /* ARGSUSED */
                   1011: static int
                   1012: termp_ar_pre(DECL_ARGS)
                   1013: {
                   1014:
1.28      kristaps 1015:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1016:        return(1);
                   1017: }
                   1018:
                   1019:
                   1020: /* ARGSUSED */
                   1021: static int
                   1022: termp_ns_pre(DECL_ARGS)
                   1023: {
                   1024:
                   1025:        p->flags |= TERMP_NOSPACE;
                   1026:        return(1);
                   1027: }
                   1028:
                   1029:
                   1030: /* ARGSUSED */
                   1031: static int
                   1032: termp_pp_pre(DECL_ARGS)
                   1033: {
                   1034:
                   1035:        term_vspace(p);
                   1036:        return(1);
                   1037: }
                   1038:
                   1039:
                   1040: /* ARGSUSED */
                   1041: static int
                   1042: termp_st_pre(DECL_ARGS)
                   1043: {
                   1044:        const char      *cp;
                   1045:
                   1046:        if (node->child && (cp = mdoc_a2st(node->child->string)))
                   1047:                term_word(p, cp);
                   1048:        return(0);
                   1049: }
                   1050:
                   1051:
                   1052: /* ARGSUSED */
                   1053: static int
                   1054: termp_rs_pre(DECL_ARGS)
                   1055: {
                   1056:
                   1057:        if (MDOC_BLOCK == node->type && node->prev)
                   1058:                term_vspace(p);
                   1059:        return(1);
                   1060: }
                   1061:
                   1062:
                   1063: /* ARGSUSED */
                   1064: static int
                   1065: termp_rv_pre(DECL_ARGS)
                   1066: {
                   1067:        int              i;
                   1068:
1.11      kristaps 1069:        /* FIXME: mandated by parser. */
                   1070:
1.1       kristaps 1071:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1072:                errx(1, "expected -std argument");
                   1073:        if (1 != node->args->argv[i].sz)
                   1074:                errx(1, "expected -std argument");
                   1075:
                   1076:        term_newln(p);
                   1077:        term_word(p, "The");
                   1078:
                   1079:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1080:        term_word(p, *node->args->argv[i].value);
                   1081:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1082:        p->flags |= TERMP_NOSPACE;
                   1083:
                   1084:                term_word(p, "() function returns the value 0 if successful;");
                   1085:                term_word(p, "otherwise the value -1 is returned and the");
                   1086:                term_word(p, "global variable");
                   1087:
                   1088:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1089:        term_word(p, "errno");
                   1090:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1091:
                   1092:                term_word(p, "is set to indicate the error.");
                   1093:
                   1094:        return(1);
                   1095: }
                   1096:
                   1097:
                   1098: /* ARGSUSED */
                   1099: static int
                   1100: termp_ex_pre(DECL_ARGS)
                   1101: {
                   1102:        int              i;
                   1103:
1.11      kristaps 1104:        /* FIXME: mandated by parser? */
                   1105:
1.1       kristaps 1106:        if (-1 == (i = arg_getattr(MDOC_Std, node)))
                   1107:                errx(1, "expected -std argument");
                   1108:        if (1 != node->args->argv[i].sz)
                   1109:                errx(1, "expected -std argument");
                   1110:
                   1111:        term_word(p, "The");
                   1112:        p->flags |= ttypes[TTYPE_PROG];
                   1113:        term_word(p, *node->args->argv[i].value);
                   1114:        p->flags &= ~ttypes[TTYPE_PROG];
                   1115:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1116:
                   1117:        return(1);
                   1118: }
                   1119:
                   1120:
                   1121: /* ARGSUSED */
                   1122: static int
                   1123: termp_nd_pre(DECL_ARGS)
                   1124: {
1.25      kristaps 1125:
                   1126:        if (MDOC_BODY != node->type)
                   1127:                return(1);
1.24      kristaps 1128:        /*
                   1129:         * XXX: signed off by jmc@openbsd.org.  This technically
                   1130:         * produces a minus sign after the Nd, which is wrong, but is
                   1131:         * consistent with the historic OpenBSD tmac file.
                   1132:         */
1.27      kristaps 1133: #if defined(__OpenBSD__) || defined(__linux__)
1.1       kristaps 1134:        term_word(p, "\\-");
1.23      kristaps 1135: #else
                   1136:        term_word(p, "\\(em");
                   1137: #endif
1.1       kristaps 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". */
1.29    ! kristaps 1192:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 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:
1.29    ! kristaps 1212:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1213:        return(1);
                   1214: }
                   1215:
                   1216:
                   1217: /* ARGSUSED */
                   1218: static void
                   1219: termp_fd_post(DECL_ARGS)
                   1220: {
                   1221:
                   1222:        if (node->sec != SEC_SYNOPSIS)
                   1223:                return;
1.29    ! kristaps 1224:
1.1       kristaps 1225:        term_newln(p);
                   1226:        if (node->next && MDOC_Fd != node->next->tok)
                   1227:                term_vspace(p);
                   1228: }
                   1229:
                   1230:
                   1231: /* ARGSUSED */
                   1232: static int
                   1233: termp_sh_pre(DECL_ARGS)
                   1234: {
                   1235:
                   1236:        switch (node->type) {
                   1237:        case (MDOC_HEAD):
                   1238:                term_vspace(p);
1.28      kristaps 1239:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1240:                break;
                   1241:        case (MDOC_BODY):
                   1242:                p->offset = INDENT;
                   1243:                break;
                   1244:        default:
                   1245:                break;
                   1246:        }
                   1247:        return(1);
                   1248: }
                   1249:
                   1250:
                   1251: /* ARGSUSED */
                   1252: static void
                   1253: termp_sh_post(DECL_ARGS)
                   1254: {
                   1255:
                   1256:        switch (node->type) {
                   1257:        case (MDOC_HEAD):
                   1258:                term_newln(p);
                   1259:                break;
                   1260:        case (MDOC_BODY):
                   1261:                term_newln(p);
                   1262:                p->offset = 0;
                   1263:                break;
                   1264:        default:
                   1265:                break;
                   1266:        }
                   1267: }
                   1268:
                   1269:
                   1270: /* ARGSUSED */
                   1271: static int
                   1272: termp_op_pre(DECL_ARGS)
                   1273: {
                   1274:
                   1275:        switch (node->type) {
                   1276:        case (MDOC_BODY):
                   1277:                term_word(p, "\\(lB");
                   1278:                p->flags |= TERMP_NOSPACE;
                   1279:                break;
                   1280:        default:
                   1281:                break;
                   1282:        }
                   1283:        return(1);
                   1284: }
                   1285:
                   1286:
                   1287: /* ARGSUSED */
                   1288: static int
                   1289: termp_bt_pre(DECL_ARGS)
                   1290: {
                   1291:
                   1292:        term_word(p, "is currently in beta test.");
                   1293:        return(1);
                   1294: }
                   1295:
                   1296:
                   1297: /* ARGSUSED */
                   1298: static int
                   1299: termp_lb_pre(DECL_ARGS)
                   1300: {
                   1301:        const char      *lb;
                   1302:
1.11      kristaps 1303:        assert(node->child && MDOC_TEXT == node->child->type);
1.18      kristaps 1304:        lb = mdoc_a2lib(node->child->string);
                   1305:        if (lb) {
1.1       kristaps 1306:                term_word(p, lb);
                   1307:                return(0);
                   1308:        }
                   1309:        term_word(p, "library");
                   1310:        return(1);
                   1311: }
                   1312:
                   1313:
                   1314: /* ARGSUSED */
                   1315: static void
                   1316: termp_lb_post(DECL_ARGS)
                   1317: {
                   1318:
                   1319:        term_newln(p);
                   1320: }
                   1321:
                   1322:
                   1323: /* ARGSUSED */
                   1324: static int
                   1325: termp_ud_pre(DECL_ARGS)
                   1326: {
                   1327:
                   1328:        term_word(p, "currently under development.");
                   1329:        return(1);
                   1330: }
                   1331:
                   1332:
                   1333: /* ARGSUSED */
                   1334: static int
                   1335: termp_d1_pre(DECL_ARGS)
                   1336: {
                   1337:
1.4       kristaps 1338:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1339:                return(1);
                   1340:        term_newln(p);
1.29    ! kristaps 1341:        p->offset += (INDENT + 1);
1.1       kristaps 1342:        return(1);
                   1343: }
                   1344:
                   1345:
                   1346: /* ARGSUSED */
                   1347: static void
                   1348: termp_d1_post(DECL_ARGS)
                   1349: {
                   1350:
1.4       kristaps 1351:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1352:                return;
                   1353:        term_newln(p);
                   1354: }
                   1355:
                   1356:
                   1357: /* ARGSUSED */
                   1358: static int
                   1359: termp_aq_pre(DECL_ARGS)
                   1360: {
                   1361:
                   1362:        if (MDOC_BODY != node->type)
                   1363:                return(1);
                   1364:        term_word(p, "\\(la");
                   1365:        p->flags |= TERMP_NOSPACE;
                   1366:        return(1);
                   1367: }
                   1368:
                   1369:
                   1370: /* ARGSUSED */
                   1371: static void
                   1372: termp_aq_post(DECL_ARGS)
                   1373: {
                   1374:
                   1375:        if (MDOC_BODY != node->type)
                   1376:                return;
                   1377:        p->flags |= TERMP_NOSPACE;
                   1378:        term_word(p, "\\(ra");
                   1379: }
                   1380:
                   1381:
                   1382: /* ARGSUSED */
                   1383: static int
                   1384: termp_ft_pre(DECL_ARGS)
                   1385: {
                   1386:
                   1387:        if (SEC_SYNOPSIS == node->sec)
                   1388:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1389:                        term_vspace(p);
1.28      kristaps 1390:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1391:        return(1);
                   1392: }
                   1393:
                   1394:
                   1395: /* ARGSUSED */
                   1396: static void
                   1397: termp_ft_post(DECL_ARGS)
                   1398: {
                   1399:
                   1400:        if (SEC_SYNOPSIS == node->sec)
                   1401:                term_newln(p);
                   1402: }
                   1403:
                   1404:
                   1405: /* ARGSUSED */
                   1406: static int
                   1407: termp_fn_pre(DECL_ARGS)
                   1408: {
                   1409:        const struct mdoc_node *n;
                   1410:
1.11      kristaps 1411:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1412:
                   1413:        /* FIXME: can be "type funcname" "type varname"... */
                   1414:
                   1415:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1416:        term_word(p, node->child->string);
                   1417:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1418:
                   1419:        p->flags |= TERMP_NOSPACE;
                   1420:        term_word(p, "(");
                   1421:
                   1422:        for (n = node->child->next; n; n = n->next) {
                   1423:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1424:                term_word(p, n->string);
                   1425:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1426:                if (n->next)
                   1427:                        term_word(p, ",");
                   1428:        }
                   1429:
                   1430:        term_word(p, ")");
                   1431:
                   1432:        if (SEC_SYNOPSIS == node->sec)
                   1433:                term_word(p, ";");
                   1434:
                   1435:        return(0);
                   1436: }
                   1437:
                   1438:
                   1439: /* ARGSUSED */
                   1440: static void
                   1441: termp_fn_post(DECL_ARGS)
                   1442: {
                   1443:
                   1444:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1445:                term_vspace(p);
                   1446: }
                   1447:
                   1448:
                   1449: /* ARGSUSED */
                   1450: static int
                   1451: termp_sx_pre(DECL_ARGS)
                   1452: {
                   1453:
1.28      kristaps 1454:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1455:        return(1);
                   1456: }
                   1457:
                   1458:
                   1459: /* ARGSUSED */
                   1460: static int
                   1461: termp_fa_pre(DECL_ARGS)
                   1462: {
                   1463:        struct mdoc_node *n;
                   1464:
                   1465:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1466:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1467:                return(1);
                   1468:        }
                   1469:
                   1470:        for (n = node->child; n; n = n->next) {
                   1471:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1472:                term_word(p, n->string);
                   1473:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1474:                if (n->next)
                   1475:                        term_word(p, ",");
                   1476:        }
                   1477:
                   1478:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1479:                term_word(p, ",");
                   1480:
                   1481:        return(0);
                   1482: }
                   1483:
                   1484:
                   1485: /* ARGSUSED */
                   1486: static int
                   1487: termp_va_pre(DECL_ARGS)
                   1488: {
                   1489:
1.28      kristaps 1490:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1491:        return(1);
                   1492: }
                   1493:
                   1494:
                   1495: /* ARGSUSED */
                   1496: static int
                   1497: termp_bd_pre(DECL_ARGS)
                   1498: {
                   1499:        int              i, type, ln;
                   1500:
                   1501:        /*
                   1502:         * This is fairly tricky due primarily to crappy documentation.
                   1503:         * If -ragged or -filled are specified, the block does nothing
                   1504:         * but change the indentation.
                   1505:         *
                   1506:         * If, on the other hand, -unfilled or -literal are specified,
                   1507:         * then the game changes.  Text is printed exactly as entered in
                   1508:         * the display: if a macro line, a newline is appended to the
                   1509:         * line.  Blank lines are allowed.
                   1510:         */
                   1511:
                   1512:        if (MDOC_BLOCK == node->type)
                   1513:                return(fmt_block_vspace(p, node, node));
                   1514:        else if (MDOC_BODY != node->type)
                   1515:                return(1);
                   1516:
1.11      kristaps 1517:        /* FIXME: display type should be mandated by parser. */
                   1518:
1.1       kristaps 1519:        if (NULL == node->parent->args)
                   1520:                errx(1, "missing display type");
                   1521:
                   1522:        for (type = -1, i = 0;
                   1523:                        i < (int)node->parent->args->argc; i++) {
                   1524:                switch (node->parent->args->argv[i].arg) {
                   1525:                case (MDOC_Ragged):
                   1526:                        /* FALLTHROUGH */
                   1527:                case (MDOC_Filled):
                   1528:                        /* FALLTHROUGH */
                   1529:                case (MDOC_Unfilled):
                   1530:                        /* FALLTHROUGH */
                   1531:                case (MDOC_Literal):
                   1532:                        type = node->parent->args->argv[i].arg;
                   1533:                        i = (int)node->parent->args->argc;
                   1534:                        break;
                   1535:                default:
                   1536:                        break;
                   1537:                }
                   1538:        }
                   1539:
                   1540:        if (NULL == node->parent->args)
                   1541:                errx(1, "missing display type");
                   1542:
                   1543:        i = arg_getattr(MDOC_Offset, node->parent);
                   1544:        if (-1 != i) {
                   1545:                if (1 != node->parent->args->argv[i].sz)
                   1546:                        errx(1, "expected single value");
                   1547:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1548:        }
                   1549:
                   1550:        switch (type) {
                   1551:        case (MDOC_Literal):
                   1552:                /* FALLTHROUGH */
                   1553:        case (MDOC_Unfilled):
                   1554:                break;
                   1555:        default:
                   1556:                return(1);
                   1557:        }
                   1558:
                   1559:        /*
                   1560:         * Tricky.  Iterate through all children.  If we're on a
                   1561:         * different parse line, append a newline and then the contents.
                   1562:         * Ew.
                   1563:         */
                   1564:
                   1565:        p->flags |= TERMP_LITERAL;
                   1566:        ln = node->child ? node->child->line : 0;
                   1567:
                   1568:        for (node = node->child; node; node = node->next) {
                   1569:                if (ln < node->line) {
                   1570:                        term_flushln(p);
                   1571:                        p->flags |= TERMP_NOSPACE;
                   1572:                }
                   1573:                ln = node->line;
                   1574:                print_node(p, pair, meta, node);
                   1575:        }
                   1576:
                   1577:        return(0);
                   1578: }
                   1579:
                   1580:
                   1581: /* ARGSUSED */
                   1582: static void
                   1583: termp_bd_post(DECL_ARGS)
                   1584: {
                   1585:
                   1586:        if (MDOC_BODY != node->type)
                   1587:                return;
                   1588:
                   1589:        term_flushln(p);
                   1590:        p->flags &= ~TERMP_LITERAL;
                   1591:        p->flags |= TERMP_NOSPACE;
                   1592: }
                   1593:
                   1594:
                   1595: /* ARGSUSED */
                   1596: static int
                   1597: termp_qq_pre(DECL_ARGS)
                   1598: {
                   1599:
                   1600:        if (MDOC_BODY != node->type)
                   1601:                return(1);
                   1602:        term_word(p, "\"");
                   1603:        p->flags |= TERMP_NOSPACE;
                   1604:        return(1);
                   1605: }
                   1606:
                   1607:
                   1608: /* ARGSUSED */
                   1609: static void
                   1610: termp_qq_post(DECL_ARGS)
                   1611: {
                   1612:
                   1613:        if (MDOC_BODY != node->type)
                   1614:                return;
                   1615:        p->flags |= TERMP_NOSPACE;
                   1616:        term_word(p, "\"");
                   1617: }
                   1618:
                   1619:
                   1620: /* ARGSUSED */
                   1621: static void
                   1622: termp_bx_post(DECL_ARGS)
                   1623: {
                   1624:
                   1625:        if (node->child)
                   1626:                p->flags |= TERMP_NOSPACE;
                   1627:        term_word(p, "BSD");
                   1628: }
                   1629:
                   1630:
                   1631: /* ARGSUSED */
                   1632: static int
1.26      kristaps 1633: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1634: {
1.26      kristaps 1635:        const char      *pp;
1.1       kristaps 1636:
1.26      kristaps 1637:        pp = NULL;
                   1638:        switch (node->tok) {
                   1639:        case (MDOC_Bsx):
                   1640:                pp = "BSDI BSD/OS";
                   1641:                break;
                   1642:        case (MDOC_Dx):
                   1643:                pp = "DragonFlyBSD";
                   1644:                break;
                   1645:        case (MDOC_Fx):
                   1646:                pp = "FreeBSD";
                   1647:                break;
                   1648:        case (MDOC_Nx):
                   1649:                pp = "NetBSD";
                   1650:                break;
                   1651:        case (MDOC_Ox):
                   1652:                pp = "OpenBSD";
                   1653:                break;
                   1654:        case (MDOC_Ux):
                   1655:                pp = "UNIX";
                   1656:                break;
                   1657:        default:
                   1658:                break;
                   1659:        }
1.1       kristaps 1660:
1.26      kristaps 1661:        assert(pp);
                   1662:        term_word(p, pp);
1.1       kristaps 1663:        return(1);
                   1664: }
                   1665:
                   1666:
                   1667: /* ARGSUSED */
                   1668: static int
                   1669: termp_sq_pre(DECL_ARGS)
                   1670: {
                   1671:
                   1672:        if (MDOC_BODY != node->type)
                   1673:                return(1);
                   1674:        term_word(p, "\\(oq");
                   1675:        p->flags |= TERMP_NOSPACE;
                   1676:        return(1);
                   1677: }
                   1678:
                   1679:
                   1680: /* ARGSUSED */
                   1681: static void
                   1682: termp_sq_post(DECL_ARGS)
                   1683: {
                   1684:
                   1685:        if (MDOC_BODY != node->type)
                   1686:                return;
                   1687:        p->flags |= TERMP_NOSPACE;
                   1688:        term_word(p, "\\(aq");
                   1689: }
                   1690:
                   1691:
                   1692: /* ARGSUSED */
                   1693: static int
                   1694: termp_pf_pre(DECL_ARGS)
                   1695: {
                   1696:
                   1697:        p->flags |= TERMP_IGNDELIM;
                   1698:        return(1);
                   1699: }
                   1700:
                   1701:
                   1702: /* ARGSUSED */
                   1703: static void
                   1704: termp_pf_post(DECL_ARGS)
                   1705: {
                   1706:
                   1707:        p->flags &= ~TERMP_IGNDELIM;
                   1708:        p->flags |= TERMP_NOSPACE;
                   1709: }
                   1710:
                   1711:
                   1712: /* ARGSUSED */
                   1713: static int
                   1714: termp_ss_pre(DECL_ARGS)
                   1715: {
                   1716:
                   1717:        switch (node->type) {
                   1718:        case (MDOC_BLOCK):
                   1719:                term_newln(p);
                   1720:                if (node->prev)
                   1721:                        term_vspace(p);
                   1722:                break;
                   1723:        case (MDOC_HEAD):
1.28      kristaps 1724:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1725:                p->offset = HALFINDENT;
1.1       kristaps 1726:                break;
                   1727:        default:
                   1728:                break;
                   1729:        }
                   1730:
                   1731:        return(1);
                   1732: }
                   1733:
                   1734:
                   1735: /* ARGSUSED */
                   1736: static void
                   1737: termp_ss_post(DECL_ARGS)
                   1738: {
                   1739:
1.29    ! kristaps 1740:        if (MDOC_HEAD == node->type)
1.1       kristaps 1741:                term_newln(p);
                   1742: }
                   1743:
                   1744:
                   1745: /* ARGSUSED */
                   1746: static int
                   1747: termp_pa_pre(DECL_ARGS)
                   1748: {
                   1749:
1.28      kristaps 1750:        pair->flag |= ttypes[TTYPE_FILE];
1.1       kristaps 1751:        return(1);
                   1752: }
                   1753:
                   1754:
                   1755: /* ARGSUSED */
                   1756: static int
                   1757: termp_em_pre(DECL_ARGS)
                   1758: {
                   1759:
1.28      kristaps 1760:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1761:        return(1);
                   1762: }
                   1763:
                   1764:
                   1765: /* ARGSUSED */
                   1766: static int
                   1767: termp_cd_pre(DECL_ARGS)
                   1768: {
                   1769:
1.28      kristaps 1770:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1771:        term_newln(p);
                   1772:        return(1);
                   1773: }
                   1774:
                   1775:
                   1776: /* ARGSUSED */
                   1777: static int
                   1778: termp_cm_pre(DECL_ARGS)
                   1779: {
                   1780:
1.28      kristaps 1781:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1782:        return(1);
                   1783: }
                   1784:
                   1785:
                   1786: /* ARGSUSED */
                   1787: static int
                   1788: termp_ic_pre(DECL_ARGS)
                   1789: {
                   1790:
1.28      kristaps 1791:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1792:        return(1);
                   1793: }
                   1794:
                   1795:
                   1796: /* ARGSUSED */
                   1797: static int
                   1798: termp_in_pre(DECL_ARGS)
                   1799: {
                   1800:
1.28      kristaps 1801:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1802:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1803:
                   1804:        if (SEC_SYNOPSIS == node->sec)
                   1805:                term_word(p, "#include");
                   1806:
1.1       kristaps 1807:        term_word(p, "<");
                   1808:        p->flags |= TERMP_NOSPACE;
                   1809:        return(1);
                   1810: }
                   1811:
                   1812:
                   1813: /* ARGSUSED */
                   1814: static void
                   1815: termp_in_post(DECL_ARGS)
                   1816: {
                   1817:
                   1818:        p->flags |= TERMP_NOSPACE;
                   1819:        term_word(p, ">");
                   1820:
                   1821:        if (SEC_SYNOPSIS != node->sec)
                   1822:                return;
1.22      kristaps 1823:
                   1824:        term_newln(p);
                   1825:        /*
                   1826:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1827:         * the SYNOPSIS section, then it produces a single break after
                   1828:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1829:         * construction is rarely used, I think it's fine.
                   1830:         */
1.1       kristaps 1831:        if (node->next && MDOC_In != node->next->tok)
                   1832:                term_vspace(p);
                   1833: }
                   1834:
                   1835:
                   1836: /* ARGSUSED */
                   1837: static int
                   1838: termp_at_pre(DECL_ARGS)
                   1839: {
                   1840:        const char      *att;
                   1841:
                   1842:        att = NULL;
                   1843:
                   1844:        if (node->child)
                   1845:                att = mdoc_a2att(node->child->string);
                   1846:        if (NULL == att)
                   1847:                att = "AT&T UNIX";
                   1848:
                   1849:        term_word(p, att);
                   1850:        return(0);
                   1851: }
                   1852:
                   1853:
                   1854: /* ARGSUSED */
                   1855: static int
                   1856: termp_brq_pre(DECL_ARGS)
                   1857: {
                   1858:
                   1859:        if (MDOC_BODY != node->type)
                   1860:                return(1);
                   1861:        term_word(p, "\\(lC");
                   1862:        p->flags |= TERMP_NOSPACE;
                   1863:        return(1);
                   1864: }
                   1865:
                   1866:
                   1867: /* ARGSUSED */
                   1868: static void
                   1869: termp_brq_post(DECL_ARGS)
                   1870: {
                   1871:
                   1872:        if (MDOC_BODY != node->type)
                   1873:                return;
                   1874:        p->flags |= TERMP_NOSPACE;
                   1875:        term_word(p, "\\(rC");
                   1876: }
                   1877:
                   1878:
                   1879: /* ARGSUSED */
                   1880: static int
                   1881: termp_bq_pre(DECL_ARGS)
                   1882: {
                   1883:
                   1884:        if (MDOC_BODY != node->type)
                   1885:                return(1);
                   1886:        term_word(p, "\\(lB");
                   1887:        p->flags |= TERMP_NOSPACE;
                   1888:        return(1);
                   1889: }
                   1890:
                   1891:
                   1892: /* ARGSUSED */
                   1893: static void
                   1894: termp_bq_post(DECL_ARGS)
                   1895: {
                   1896:
                   1897:        if (MDOC_BODY != node->type)
                   1898:                return;
                   1899:        p->flags |= TERMP_NOSPACE;
                   1900:        term_word(p, "\\(rB");
                   1901: }
                   1902:
                   1903:
                   1904: /* ARGSUSED */
                   1905: static int
                   1906: termp_pq_pre(DECL_ARGS)
                   1907: {
                   1908:
                   1909:        if (MDOC_BODY != node->type)
                   1910:                return(1);
                   1911:        term_word(p, "\\&(");
                   1912:        p->flags |= TERMP_NOSPACE;
                   1913:        return(1);
                   1914: }
                   1915:
                   1916:
                   1917: /* ARGSUSED */
                   1918: static void
                   1919: termp_pq_post(DECL_ARGS)
                   1920: {
                   1921:
                   1922:        if (MDOC_BODY != node->type)
                   1923:                return;
                   1924:        term_word(p, ")");
                   1925: }
                   1926:
                   1927:
                   1928: /* ARGSUSED */
                   1929: static int
                   1930: termp_fo_pre(DECL_ARGS)
                   1931: {
                   1932:        const struct mdoc_node *n;
                   1933:
                   1934:        if (MDOC_BODY == node->type) {
                   1935:                term_word(p, "(");
                   1936:                p->flags |= TERMP_NOSPACE;
                   1937:                return(1);
                   1938:        } else if (MDOC_HEAD != node->type)
                   1939:                return(1);
                   1940:
                   1941:        /* XXX - groff shows only first parameter */
                   1942:
                   1943:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1944:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1945:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1946:                term_word(p, n->string);
                   1947:        }
                   1948:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1949:
                   1950:        return(0);
                   1951: }
                   1952:
                   1953:
                   1954: /* ARGSUSED */
                   1955: static void
                   1956: termp_fo_post(DECL_ARGS)
                   1957: {
                   1958:
                   1959:        if (MDOC_BODY != node->type)
                   1960:                return;
                   1961:        p->flags |= TERMP_NOSPACE;
                   1962:        term_word(p, ")");
                   1963:        p->flags |= TERMP_NOSPACE;
                   1964:        term_word(p, ";");
                   1965:        term_newln(p);
                   1966: }
                   1967:
                   1968:
                   1969: /* ARGSUSED */
                   1970: static int
                   1971: termp_bf_pre(DECL_ARGS)
                   1972: {
                   1973:        const struct mdoc_node  *n;
                   1974:
1.28      kristaps 1975:        if (MDOC_HEAD == node->type)
1.1       kristaps 1976:                return(0);
1.28      kristaps 1977:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 1978:                return(1);
                   1979:
                   1980:        if (NULL == (n = node->head->child)) {
                   1981:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 1982:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1983:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 1984:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 1985:
                   1986:                return(1);
                   1987:        }
                   1988:
1.11      kristaps 1989:        assert(MDOC_TEXT == n->type);
1.1       kristaps 1990:        if (0 == strcmp("Em", n->string))
1.28      kristaps 1991:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1992:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 1993:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 1994:
                   1995:        return(1);
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static int
                   2001: termp_sy_pre(DECL_ARGS)
                   2002: {
                   2003:
1.28      kristaps 2004:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2005:        return(1);
                   2006: }
                   2007:
                   2008:
                   2009: /* ARGSUSED */
                   2010: static int
                   2011: termp_ms_pre(DECL_ARGS)
                   2012: {
                   2013:
1.28      kristaps 2014:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2015:        return(1);
                   2016: }
                   2017:
                   2018:
                   2019:
                   2020: /* ARGSUSED */
                   2021: static int
                   2022: termp_sm_pre(DECL_ARGS)
                   2023: {
                   2024:
1.11      kristaps 2025:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2026:        if (0 == strcmp("on", node->child->string)) {
                   2027:                p->flags &= ~TERMP_NONOSPACE;
                   2028:                p->flags &= ~TERMP_NOSPACE;
                   2029:        } else
                   2030:                p->flags |= TERMP_NONOSPACE;
                   2031:
                   2032:        return(0);
                   2033: }
                   2034:
                   2035:
                   2036: /* ARGSUSED */
                   2037: static int
                   2038: termp_ap_pre(DECL_ARGS)
                   2039: {
                   2040:
                   2041:        p->flags |= TERMP_NOSPACE;
                   2042:        term_word(p, "\\(aq");
                   2043:        p->flags |= TERMP_NOSPACE;
                   2044:        return(1);
                   2045: }
                   2046:
                   2047:
                   2048: /* ARGSUSED */
                   2049: static int
                   2050: termp__j_pre(DECL_ARGS)
                   2051: {
                   2052:
1.28      kristaps 2053:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2054:        return(1);
                   2055: }
                   2056:
                   2057:
                   2058: /* ARGSUSED */
                   2059: static int
                   2060: termp__t_pre(DECL_ARGS)
                   2061: {
                   2062:
                   2063:        term_word(p, "\"");
                   2064:        p->flags |= TERMP_NOSPACE;
                   2065:        return(1);
                   2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static void
                   2071: termp__t_post(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        p->flags |= TERMP_NOSPACE;
                   2075:        term_word(p, "\"");
                   2076:        termp____post(p, pair, meta, node);
                   2077: }
                   2078:
                   2079:
                   2080: /* ARGSUSED */
                   2081: static void
                   2082: termp____post(DECL_ARGS)
                   2083: {
                   2084:
                   2085:        p->flags |= TERMP_NOSPACE;
                   2086:        term_word(p, node->next ? "," : ".");
                   2087: }
                   2088:
                   2089:
                   2090: /* ARGSUSED */
                   2091: static int
                   2092: termp_lk_pre(DECL_ARGS)
                   2093: {
                   2094:        const struct mdoc_node *n;
                   2095:
1.11      kristaps 2096:        assert(node->child);
                   2097:        n = node->child;
1.1       kristaps 2098:
1.12      kristaps 2099:        if (NULL == n->next) {
1.28      kristaps 2100:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2101:                return(1);
                   2102:        }
                   2103:
1.1       kristaps 2104:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2105:        term_word(p, n->string);
                   2106:        p->flags |= TERMP_NOSPACE;
                   2107:        term_word(p, ":");
1.12      kristaps 2108:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2109:
                   2110:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2111:        for (n = n->next; n; n = n->next)
1.1       kristaps 2112:                term_word(p, n->string);
1.12      kristaps 2113:
1.1       kristaps 2114:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2115:        return(0);
                   2116: }
                   2117:
                   2118:
                   2119: /* ARGSUSED */
                   2120: static int
                   2121: termp_mt_pre(DECL_ARGS)
                   2122: {
                   2123:
1.28      kristaps 2124:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2125:        return(1);
                   2126: }
                   2127:
                   2128:

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