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Annotation of mandoc/mdoc_term.c, Revision 1.45

1.45    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.44 2009/07/17 10:56:57 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
                     29: /* FIXME: macro arguments can be escaped. */
                     30: /* FIXME: support more offset/width tokens. */
                     31:
                     32: #define        TTYPE_PROG        0
                     33: #define        TTYPE_CMD_FLAG    1
                     34: #define        TTYPE_CMD_ARG     2
                     35: #define        TTYPE_SECTION     3
                     36: #define        TTYPE_FUNC_DECL   4
                     37: #define        TTYPE_VAR_DECL    5
                     38: #define        TTYPE_FUNC_TYPE   6
                     39: #define        TTYPE_FUNC_NAME   7
                     40: #define        TTYPE_FUNC_ARG    8
                     41: #define        TTYPE_LINK        9
                     42: #define        TTYPE_SSECTION    10
                     43: #define        TTYPE_FILE        11
                     44: #define        TTYPE_EMPH        12
                     45: #define        TTYPE_CONFIG      13
                     46: #define        TTYPE_CMD         14
                     47: #define        TTYPE_INCLUDE     15
                     48: #define        TTYPE_SYMB        16
                     49: #define        TTYPE_SYMBOL      17
                     50: #define        TTYPE_DIAG        18
                     51: #define        TTYPE_LINK_ANCHOR 19
                     52: #define        TTYPE_LINK_TEXT   20
                     53: #define        TTYPE_REF_JOURNAL 21
                     54: #define        TTYPE_LIST        22
                     55: #define        TTYPE_NMAX        23
                     56:
                     57: const  int ttypes[TTYPE_NMAX] = {
                     58:        TERMP_BOLD,             /* TTYPE_PROG */
                     59:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     60:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     61:        TERMP_BOLD,             /* TTYPE_SECTION */
                     62:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     63:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     64:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     65:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     66:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     67:        TERMP_UNDER,            /* TTYPE_LINK */
                     68:        TERMP_BOLD,             /* TTYPE_SSECTION */
                     69:        TERMP_UNDER,            /* TTYPE_FILE */
                     70:        TERMP_UNDER,            /* TTYPE_EMPH */
                     71:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     72:        TERMP_BOLD,             /* TTYPE_CMD */
                     73:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     74:        TERMP_BOLD,             /* TTYPE_SYMB */
                     75:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     76:        TERMP_BOLD,             /* TTYPE_DIAG */
                     77:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     78:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     79:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
                     80:        TERMP_BOLD              /* TTYPE_LIST */
                     81: };
                     82:
                     83: struct termpair {
                     84:        struct termpair  *ppair;
1.31      kristaps   85:        int               flag;
                     86:        int               count;
1.1       kristaps   87: };
                     88:
1.31      kristaps   89: #define        DECL_ARGS struct termp *p, \
                     90:                  struct termpair *pair, \
                     91:                  const struct mdoc_meta *meta, \
                     92:                  const struct mdoc_node *node
1.1       kristaps   93:
                     94: struct termact {
                     95:        int     (*pre)(DECL_ARGS);
                     96:        void    (*post)(DECL_ARGS);
                     97: };
                     98:
1.31      kristaps   99: static void      termp____post(DECL_ARGS);
                    100: static void      termp__t_post(DECL_ARGS);
                    101: static void      termp_aq_post(DECL_ARGS);
                    102: static void      termp_bd_post(DECL_ARGS);
                    103: static void      termp_bl_post(DECL_ARGS);
                    104: static void      termp_bq_post(DECL_ARGS);
                    105: static void      termp_brq_post(DECL_ARGS);
                    106: static void      termp_bx_post(DECL_ARGS);
                    107: static void      termp_d1_post(DECL_ARGS);
                    108: static void      termp_dq_post(DECL_ARGS);
                    109: static void      termp_fd_post(DECL_ARGS);
                    110: static void      termp_fn_post(DECL_ARGS);
                    111: static void      termp_fo_post(DECL_ARGS);
                    112: static void      termp_ft_post(DECL_ARGS);
                    113: static void      termp_in_post(DECL_ARGS);
                    114: static void      termp_it_post(DECL_ARGS);
                    115: static void      termp_lb_post(DECL_ARGS);
                    116: static void      termp_op_post(DECL_ARGS);
                    117: static void      termp_pf_post(DECL_ARGS);
                    118: static void      termp_pq_post(DECL_ARGS);
                    119: static void      termp_qq_post(DECL_ARGS);
                    120: static void      termp_sh_post(DECL_ARGS);
                    121: static void      termp_sq_post(DECL_ARGS);
                    122: static void      termp_ss_post(DECL_ARGS);
                    123: static void      termp_vt_post(DECL_ARGS);
                    124:
                    125: static int       termp__j_pre(DECL_ARGS);
                    126: static int       termp__t_pre(DECL_ARGS);
                    127: static int       termp_ap_pre(DECL_ARGS);
                    128: static int       termp_aq_pre(DECL_ARGS);
                    129: static int       termp_ar_pre(DECL_ARGS);
                    130: static int       termp_bd_pre(DECL_ARGS);
                    131: static int       termp_bf_pre(DECL_ARGS);
                    132: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  133: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_brq_pre(DECL_ARGS);
                    135: static int       termp_bt_pre(DECL_ARGS);
                    136: static int       termp_cd_pre(DECL_ARGS);
                    137: static int       termp_cm_pre(DECL_ARGS);
                    138: static int       termp_d1_pre(DECL_ARGS);
                    139: static int       termp_dq_pre(DECL_ARGS);
                    140: static int       termp_em_pre(DECL_ARGS);
                    141: static int       termp_ex_pre(DECL_ARGS);
                    142: static int       termp_fa_pre(DECL_ARGS);
                    143: static int       termp_fd_pre(DECL_ARGS);
                    144: static int       termp_fl_pre(DECL_ARGS);
                    145: static int       termp_fn_pre(DECL_ARGS);
                    146: static int       termp_fo_pre(DECL_ARGS);
                    147: static int       termp_ft_pre(DECL_ARGS);
                    148: static int       termp_ic_pre(DECL_ARGS);
                    149: static int       termp_in_pre(DECL_ARGS);
                    150: static int       termp_it_pre(DECL_ARGS);
                    151: static int       termp_lk_pre(DECL_ARGS);
                    152: static int       termp_ms_pre(DECL_ARGS);
                    153: static int       termp_mt_pre(DECL_ARGS);
                    154: static int       termp_nd_pre(DECL_ARGS);
                    155: static int       termp_nm_pre(DECL_ARGS);
                    156: static int       termp_ns_pre(DECL_ARGS);
                    157: static int       termp_op_pre(DECL_ARGS);
                    158: static int       termp_pa_pre(DECL_ARGS);
                    159: static int       termp_pf_pre(DECL_ARGS);
                    160: static int       termp_pp_pre(DECL_ARGS);
                    161: static int       termp_pq_pre(DECL_ARGS);
                    162: static int       termp_qq_pre(DECL_ARGS);
                    163: static int       termp_rs_pre(DECL_ARGS);
                    164: static int       termp_rv_pre(DECL_ARGS);
                    165: static int       termp_sh_pre(DECL_ARGS);
                    166: static int       termp_sm_pre(DECL_ARGS);
1.45    ! kristaps  167: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  168: static int       termp_sq_pre(DECL_ARGS);
                    169: static int       termp_ss_pre(DECL_ARGS);
                    170: static int       termp_sx_pre(DECL_ARGS);
                    171: static int       termp_sy_pre(DECL_ARGS);
                    172: static int       termp_ud_pre(DECL_ARGS);
                    173: static int       termp_va_pre(DECL_ARGS);
                    174: static int       termp_vt_pre(DECL_ARGS);
                    175: static int       termp_xr_pre(DECL_ARGS);
                    176: static int       termp_xx_pre(DECL_ARGS);
                    177:
1.1       kristaps  178: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  179:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  180:        { NULL, NULL }, /* Dd */
                    181:        { NULL, NULL }, /* Dt */
                    182:        { NULL, NULL }, /* Os */
                    183:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    184:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    185:        { termp_pp_pre, NULL }, /* Pp */
                    186:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    187:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    188:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    189:        { NULL, NULL }, /* Ed */
                    190:        { NULL, termp_bl_post }, /* Bl */
                    191:        { NULL, NULL }, /* El */
                    192:        { termp_it_pre, termp_it_post }, /* It */
                    193:        { NULL, NULL }, /* Ad */
                    194:        { NULL, NULL }, /* An */
                    195:        { termp_ar_pre, NULL }, /* Ar */
                    196:        { termp_cd_pre, NULL }, /* Cd */
                    197:        { termp_cm_pre, NULL }, /* Cm */
                    198:        { NULL, NULL }, /* Dv */
                    199:        { NULL, NULL }, /* Er */
                    200:        { NULL, NULL }, /* Ev */
                    201:        { termp_ex_pre, NULL }, /* Ex */
                    202:        { termp_fa_pre, NULL }, /* Fa */
                    203:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    204:        { termp_fl_pre, NULL }, /* Fl */
                    205:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    206:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    207:        { termp_ic_pre, NULL }, /* Ic */
                    208:        { termp_in_pre, termp_in_post }, /* In */
                    209:        { NULL, NULL }, /* Li */
                    210:        { termp_nd_pre, NULL }, /* Nd */
                    211:        { termp_nm_pre, NULL }, /* Nm */
                    212:        { termp_op_pre, termp_op_post }, /* Op */
                    213:        { NULL, NULL }, /* Ot */
                    214:        { termp_pa_pre, NULL }, /* Pa */
                    215:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  216:        { NULL, NULL }, /* St */
1.1       kristaps  217:        { termp_va_pre, NULL }, /* Va */
                    218:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    219:        { termp_xr_pre, NULL }, /* Xr */
                    220:        { NULL, termp____post }, /* %A */
                    221:        { NULL, termp____post }, /* %B */
                    222:        { NULL, termp____post }, /* %D */
                    223:        { NULL, termp____post }, /* %I */
                    224:        { termp__j_pre, termp____post }, /* %J */
                    225:        { NULL, termp____post }, /* %N */
                    226:        { NULL, termp____post }, /* %O */
                    227:        { NULL, termp____post }, /* %P */
                    228:        { NULL, termp____post }, /* %R */
                    229:        { termp__t_pre, termp__t_post }, /* %T */
                    230:        { NULL, termp____post }, /* %V */
                    231:        { NULL, NULL }, /* Ac */
                    232:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    233:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  234:        { NULL, NULL }, /* At */
1.1       kristaps  235:        { NULL, NULL }, /* Bc */
                    236:        { termp_bf_pre, NULL }, /* Bf */
                    237:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    238:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  239:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  240:        { NULL, termp_bx_post }, /* Bx */
                    241:        { NULL, NULL }, /* Db */
                    242:        { NULL, NULL }, /* Dc */
                    243:        { termp_dq_pre, termp_dq_post }, /* Do */
                    244:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    245:        { NULL, NULL }, /* Ec */
                    246:        { NULL, NULL }, /* Ef */
                    247:        { termp_em_pre, NULL }, /* Em */
                    248:        { NULL, NULL }, /* Eo */
1.26      kristaps  249:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  250:        { termp_ms_pre, NULL }, /* Ms */
                    251:        { NULL, NULL }, /* No */
                    252:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  253:        { termp_xx_pre, NULL }, /* Nx */
                    254:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  255:        { NULL, NULL }, /* Pc */
                    256:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    257:        { termp_pq_pre, termp_pq_post }, /* Po */
                    258:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    259:        { NULL, NULL }, /* Qc */
                    260:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    261:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    262:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    263:        { NULL, NULL }, /* Re */
                    264:        { termp_rs_pre, NULL }, /* Rs */
                    265:        { NULL, NULL }, /* Sc */
                    266:        { termp_sq_pre, termp_sq_post }, /* So */
                    267:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    268:        { termp_sm_pre, NULL }, /* Sm */
                    269:        { termp_sx_pre, NULL }, /* Sx */
                    270:        { termp_sy_pre, NULL }, /* Sy */
                    271:        { NULL, NULL }, /* Tn */
1.26      kristaps  272:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  273:        { NULL, NULL }, /* Xc */
                    274:        { NULL, NULL }, /* Xo */
                    275:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    276:        { NULL, NULL }, /* Fc */
                    277:        { termp_op_pre, termp_op_post }, /* Oo */
                    278:        { NULL, NULL }, /* Oc */
                    279:        { NULL, NULL }, /* Bk */
                    280:        { NULL, NULL }, /* Ek */
                    281:        { termp_bt_pre, NULL }, /* Bt */
                    282:        { NULL, NULL }, /* Hf */
                    283:        { NULL, NULL }, /* Fr */
                    284:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  285:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  286:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  287:        { termp_lk_pre, NULL }, /* Lk */
                    288:        { termp_mt_pre, NULL }, /* Mt */
                    289:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    290:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    291:        { NULL, NULL }, /* Brc */
                    292:        { NULL, NULL }, /* %C */
                    293:        { NULL, NULL }, /* Es */
                    294:        { NULL, NULL }, /* En */
1.26      kristaps  295:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  296:        { NULL, NULL }, /* %Q */
1.44      kristaps  297:        { termp_br_pre, NULL }, /* br */
1.45    ! kristaps  298:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  299: };
                    300:
1.2       kristaps  301: #ifdef __linux__
1.9       kristaps  302: extern size_t    strlcpy(char *, const char *, size_t);
                    303: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  304: #endif
                    305:
1.1       kristaps  306: static int       arg_hasattr(int, const struct mdoc_node *);
                    307: static int       arg_getattrs(const int *, int *, size_t,
                    308:                        const struct mdoc_node *);
                    309: static int       arg_getattr(int, const struct mdoc_node *);
                    310: static size_t    arg_offset(const struct mdoc_argv *);
                    311: static size_t    arg_width(const struct mdoc_argv *, int);
                    312: static int       arg_listtype(const struct mdoc_node *);
                    313: static int       fmt_block_vspace(struct termp *,
                    314:                        const struct mdoc_node *,
                    315:                        const struct mdoc_node *);
1.3       kristaps  316: static void      print_node(DECL_ARGS);
                    317: static void      print_head(struct termp *,
1.1       kristaps  318:                        const struct mdoc_meta *);
1.3       kristaps  319: static void      print_body(DECL_ARGS);
                    320: static void      print_foot(struct termp *,
1.1       kristaps  321:                        const struct mdoc_meta *);
                    322:
                    323:
                    324: int
                    325: mdoc_run(struct termp *p, const struct mdoc *m)
                    326: {
1.9       kristaps  327:        /*
                    328:         * Main output function.  When this is called, assume that the
                    329:         * tree is properly formed.
                    330:         */
1.3       kristaps  331:        print_head(p, mdoc_meta(m));
1.14      kristaps  332:        assert(mdoc_node(m));
                    333:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    334:        if (mdoc_node(m)->child)
                    335:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  336:        print_foot(p, mdoc_meta(m));
                    337:        return(1);
1.1       kristaps  338: }
                    339:
                    340:
1.3       kristaps  341: static void
1.1       kristaps  342: print_body(DECL_ARGS)
                    343: {
                    344:
1.3       kristaps  345:        print_node(p, pair, meta, node);
1.1       kristaps  346:        if ( ! node->next)
1.3       kristaps  347:                return;
                    348:        print_body(p, pair, meta, node->next);
1.1       kristaps  349: }
                    350:
                    351:
1.3       kristaps  352: static void
1.1       kristaps  353: print_node(DECL_ARGS)
                    354: {
                    355:        int              dochild;
                    356:        struct termpair  npair;
1.30      kristaps  357:        size_t           offset, rmargin;
1.1       kristaps  358:
                    359:        dochild = 1;
1.29      kristaps  360:        offset = p->offset;
1.30      kristaps  361:        rmargin = p->rmargin;
1.29      kristaps  362:
1.1       kristaps  363:        npair.ppair = pair;
                    364:        npair.flag = 0;
                    365:        npair.count = 0;
                    366:
                    367:        if (MDOC_TEXT != node->type) {
                    368:                if (termacts[node->tok].pre)
                    369:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    370:                                dochild = 0;
                    371:        } else /* MDOC_TEXT == node->type */
                    372:                term_word(p, node->string);
                    373:
                    374:        /* Children. */
                    375:
1.28      kristaps  376:        p->flags |= npair.flag;
1.1       kristaps  377:
                    378:        if (dochild && node->child)
                    379:                print_body(p, &npair, meta, node->child);
                    380:
                    381:        /* Post-processing. */
                    382:
                    383:        if (MDOC_TEXT != node->type)
                    384:                if (termacts[node->tok].post)
                    385:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  386:
                    387:        p->offset = offset;
1.30      kristaps  388:        p->rmargin = rmargin;
1.29      kristaps  389:        p->flags &= ~npair.flag;
1.1       kristaps  390: }
                    391:
                    392:
1.3       kristaps  393: static void
1.1       kristaps  394: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    395: {
                    396:        struct tm       *tm;
                    397:        char            *buf, *os;
                    398:
1.9       kristaps  399:        /*
                    400:         * Output the footer in new-groff style, that is, three columns
                    401:         * with the middle being the manual date and flanking columns
                    402:         * being the operating system:
                    403:         *
                    404:         * SYSTEM                  DATE                    SYSTEM
                    405:         */
                    406:
1.1       kristaps  407:        if (NULL == (buf = malloc(p->rmargin)))
                    408:                err(1, "malloc");
                    409:        if (NULL == (os = malloc(p->rmargin)))
                    410:                err(1, "malloc");
                    411:
                    412:        tm = localtime(&meta->date);
                    413:
1.42      kristaps  414:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  415:                err(1, "strftime");
                    416:
                    417:        (void)strlcpy(os, meta->os, p->rmargin);
                    418:
                    419:        term_vspace(p);
                    420:
1.9       kristaps  421:        p->offset = 0;
                    422:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  423:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    424:
                    425:        term_word(p, os);
                    426:        term_flushln(p);
                    427:
1.9       kristaps  428:        p->offset = p->rmargin;
                    429:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  430:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  431:
                    432:        term_word(p, buf);
                    433:        term_flushln(p);
                    434:
1.1       kristaps  435:        p->offset = p->rmargin;
                    436:        p->rmargin = p->maxrmargin;
                    437:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  438:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  439:
1.9       kristaps  440:        term_word(p, os);
1.1       kristaps  441:        term_flushln(p);
                    442:
1.9       kristaps  443:        p->offset = 0;
                    444:        p->rmargin = p->maxrmargin;
                    445:        p->flags = 0;
                    446:
1.1       kristaps  447:        free(buf);
                    448:        free(os);
                    449: }
                    450:
                    451:
1.3       kristaps  452: static void
1.1       kristaps  453: print_head(struct termp *p, const struct mdoc_meta *meta)
                    454: {
                    455:        char            *buf, *title;
                    456:
                    457:        p->rmargin = p->maxrmargin;
                    458:        p->offset = 0;
                    459:
                    460:        if (NULL == (buf = malloc(p->rmargin)))
                    461:                err(1, "malloc");
                    462:        if (NULL == (title = malloc(p->rmargin)))
                    463:                err(1, "malloc");
                    464:
                    465:        /*
                    466:         * The header is strange.  It has three components, which are
                    467:         * really two with the first duplicated.  It goes like this:
                    468:         *
                    469:         * IDENTIFIER              TITLE                   IDENTIFIER
                    470:         *
                    471:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    472:         * (if given, or "unknown" if not) followed by the manual page
                    473:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    474:         * string depending on the manual volume.  If not specified, it
                    475:         * switches on the manual section.
                    476:         */
                    477:
                    478:        assert(meta->vol);
                    479:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    480:
                    481:        if (meta->arch) {
                    482:                (void)strlcat(buf, " (", p->rmargin);
                    483:                (void)strlcat(buf, meta->arch, p->rmargin);
                    484:                (void)strlcat(buf, ")", p->rmargin);
                    485:        }
                    486:
                    487:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    488:                        meta->title, meta->msec);
                    489:
                    490:        p->offset = 0;
1.8       kristaps  491:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  492:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    493:
                    494:        term_word(p, title);
                    495:        term_flushln(p);
                    496:
                    497:        p->offset = p->rmargin;
                    498:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  499:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  500:
                    501:        term_word(p, buf);
                    502:        term_flushln(p);
                    503:
                    504:        p->offset = p->rmargin;
                    505:        p->rmargin = p->maxrmargin;
                    506:        p->flags &= ~TERMP_NOBREAK;
                    507:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    508:
                    509:        term_word(p, title);
                    510:        term_flushln(p);
                    511:
1.9       kristaps  512:        p->offset = 0;
1.1       kristaps  513:        p->rmargin = p->maxrmargin;
                    514:        p->flags &= ~TERMP_NOSPACE;
                    515:
                    516:        free(title);
                    517:        free(buf);
                    518: }
                    519:
                    520:
                    521: static size_t
                    522: arg_width(const struct mdoc_argv *arg, int pos)
                    523: {
                    524:        int              i, len;
1.40      kristaps  525:        const char      *p;
1.1       kristaps  526:
                    527:        assert(pos < (int)arg->sz && pos >= 0);
                    528:        assert(arg->value[pos]);
                    529:
1.40      kristaps  530:        p = arg->value[pos];
                    531:
                    532:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  533:                return(0);
                    534:
                    535:        for (i = 0; i < len - 1; i++)
1.40      kristaps  536:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  537:                        break;
                    538:
1.40      kristaps  539:        if (i == len - 1)
                    540:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    541:                        return((size_t)atoi(p) + 2);
1.1       kristaps  542:
1.40      kristaps  543:        return((size_t)len + 2);
1.1       kristaps  544: }
                    545:
                    546:
                    547: static int
                    548: arg_listtype(const struct mdoc_node *n)
                    549: {
                    550:        int              i, len;
                    551:
                    552:        assert(MDOC_BLOCK == n->type);
                    553:
                    554:        len = (int)(n->args ? n->args->argc : 0);
                    555:
                    556:        for (i = 0; i < len; i++)
                    557:                switch (n->args->argv[i].arg) {
                    558:                case (MDOC_Bullet):
                    559:                        /* FALLTHROUGH */
                    560:                case (MDOC_Dash):
                    561:                        /* FALLTHROUGH */
                    562:                case (MDOC_Enum):
                    563:                        /* FALLTHROUGH */
                    564:                case (MDOC_Hyphen):
                    565:                        /* FALLTHROUGH */
                    566:                case (MDOC_Tag):
                    567:                        /* FALLTHROUGH */
                    568:                case (MDOC_Inset):
                    569:                        /* FALLTHROUGH */
                    570:                case (MDOC_Diag):
                    571:                        /* FALLTHROUGH */
                    572:                case (MDOC_Item):
                    573:                        /* FALLTHROUGH */
                    574:                case (MDOC_Column):
                    575:                        /* FALLTHROUGH */
1.38      kristaps  576:                case (MDOC_Hang):
                    577:                        /* FALLTHROUGH */
1.1       kristaps  578:                case (MDOC_Ohang):
                    579:                        return(n->args->argv[i].arg);
                    580:                default:
                    581:                        break;
                    582:                }
                    583:
1.38      kristaps  584:        return(-1);
1.1       kristaps  585: }
                    586:
                    587:
                    588: static size_t
                    589: arg_offset(const struct mdoc_argv *arg)
                    590: {
1.40      kristaps  591:        int              len, i;
                    592:        const char      *p;
1.1       kristaps  593:
                    594:        assert(*arg->value);
1.40      kristaps  595:        p = *arg->value;
                    596:
                    597:        if (0 == strcmp(p, "left"))
1.19      kristaps  598:                return(0);
1.40      kristaps  599:        if (0 == strcmp(p, "indent"))
1.16      kristaps  600:                return(INDENT + 1);
1.40      kristaps  601:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  602:                return((INDENT + 1) * 2);
1.10      kristaps  603:
1.40      kristaps  604:        if (0 == (len = (int)strlen(p)))
                    605:                return(0);
                    606:
                    607:        for (i = 0; i < len - 1; i++)
                    608:                if ( ! isdigit((u_char)p[i]))
                    609:                        break;
                    610:
                    611:        if (i == len - 1)
                    612:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    613:                        return((size_t)atoi(p));
1.11      kristaps  614:
1.40      kristaps  615:        return((size_t)len);
1.1       kristaps  616: }
                    617:
                    618:
                    619: static int
                    620: arg_hasattr(int arg, const struct mdoc_node *n)
                    621: {
                    622:
                    623:        return(-1 != arg_getattr(arg, n));
                    624: }
                    625:
                    626:
                    627: static int
                    628: arg_getattr(int v, const struct mdoc_node *n)
                    629: {
                    630:        int              val;
                    631:
                    632:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    633: }
                    634:
                    635:
                    636: static int
                    637: arg_getattrs(const int *keys, int *vals,
                    638:                size_t sz, const struct mdoc_node *n)
                    639: {
                    640:        int              i, j, k;
                    641:
                    642:        if (NULL == n->args)
                    643:                return(0);
                    644:
                    645:        for (k = i = 0; i < (int)n->args->argc; i++)
                    646:                for (j = 0; j < (int)sz; j++)
                    647:                        if (n->args->argv[i].arg == keys[j]) {
                    648:                                vals[j] = i;
                    649:                                k++;
                    650:                        }
                    651:        return(k);
                    652: }
                    653:
                    654:
                    655: /* ARGSUSED */
                    656: static int
                    657: fmt_block_vspace(struct termp *p,
                    658:                const struct mdoc_node *bl,
                    659:                const struct mdoc_node *node)
                    660: {
                    661:        const struct mdoc_node *n;
                    662:
                    663:        term_newln(p);
                    664:
                    665:        if (arg_hasattr(MDOC_Compact, bl))
                    666:                return(1);
                    667:
                    668:        for (n = node; n; n = n->parent) {
                    669:                if (MDOC_BLOCK != n->type)
                    670:                        continue;
                    671:                if (MDOC_Ss == n->tok)
                    672:                        break;
                    673:                if (MDOC_Sh == n->tok)
                    674:                        break;
                    675:                if (NULL == n->prev)
                    676:                        continue;
                    677:                term_vspace(p);
                    678:                break;
                    679:        }
                    680:
                    681:        return(1);
                    682: }
                    683:
                    684:
                    685: /* ARGSUSED */
                    686: static int
                    687: termp_dq_pre(DECL_ARGS)
                    688: {
                    689:
                    690:        if (MDOC_BODY != node->type)
                    691:                return(1);
                    692:
                    693:        term_word(p, "\\(lq");
                    694:        p->flags |= TERMP_NOSPACE;
                    695:        return(1);
                    696: }
                    697:
                    698:
                    699: /* ARGSUSED */
                    700: static void
                    701: termp_dq_post(DECL_ARGS)
                    702: {
                    703:
                    704:        if (MDOC_BODY != node->type)
                    705:                return;
                    706:
                    707:        p->flags |= TERMP_NOSPACE;
                    708:        term_word(p, "\\(rq");
                    709: }
                    710:
                    711:
                    712: /* ARGSUSED */
                    713: static int
                    714: termp_it_pre(DECL_ARGS)
                    715: {
                    716:        const struct mdoc_node *bl, *n;
                    717:        char                    buf[7];
1.39      kristaps  718:        int                     i, type, keys[3], vals[3];
1.1       kristaps  719:        size_t                  width, offset;
                    720:
                    721:        if (MDOC_BLOCK == node->type)
                    722:                return(fmt_block_vspace(p, node->parent->parent, node));
                    723:
                    724:        bl = node->parent->parent->parent;
                    725:
                    726:        /* Save parent attributes. */
                    727:
                    728:        pair->flag = p->flags;
                    729:
                    730:        /* Get list width and offset. */
                    731:
                    732:        keys[0] = MDOC_Width;
                    733:        keys[1] = MDOC_Offset;
                    734:        keys[2] = MDOC_Column;
                    735:
                    736:        vals[0] = vals[1] = vals[2] = -1;
                    737:
                    738:        width = offset = 0;
                    739:
                    740:        (void)arg_getattrs(keys, vals, 3, bl);
                    741:
                    742:        type = arg_listtype(bl);
1.38      kristaps  743:        assert(-1 != type);
1.1       kristaps  744:
                    745:        /* Calculate real width and offset. */
                    746:
                    747:        switch (type) {
                    748:        case (MDOC_Column):
                    749:                if (MDOC_BODY == node->type)
                    750:                        break;
                    751:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    752:                        offset += arg_width
                    753:                                (&bl->args->argv[vals[2]], i);
                    754:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    755:                width = arg_width(&bl->args->argv[vals[2]], i);
                    756:                if (vals[1] >= 0)
                    757:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    758:                break;
                    759:        default:
                    760:                if (vals[0] >= 0)
                    761:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    762:                if (vals[1] >= 0)
1.19      kristaps  763:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  764:                break;
                    765:        }
                    766:
                    767:        /*
                    768:         * List-type can override the width in the case of fixed-head
                    769:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.38      kristaps  770:         * offset.  FIXME: double-check that correct.
1.1       kristaps  771:         */
                    772:
                    773:        switch (type) {
                    774:        case (MDOC_Bullet):
                    775:                /* FALLTHROUGH */
                    776:        case (MDOC_Dash):
                    777:                /* FALLTHROUGH */
                    778:        case (MDOC_Hyphen):
                    779:                if (width < 4)
                    780:                        width = 4;
                    781:                break;
1.17      kristaps  782:        case (MDOC_Enum):
                    783:                if (width < 5)
                    784:                        width = 5;
                    785:                break;
1.38      kristaps  786:        case (MDOC_Hang):
1.39      kristaps  787:                if (0 == width)
                    788:                        width = 8;
                    789:                break;
1.1       kristaps  790:        case (MDOC_Tag):
                    791:                if (0 == width)
                    792:                        width = 10;
                    793:                break;
                    794:        default:
                    795:                break;
                    796:        }
                    797:
                    798:        /*
1.17      kristaps  799:         * Whitespace control.  Inset bodies need an initial space,
                    800:         * while diagonal bodies need two.
1.1       kristaps  801:         */
                    802:
                    803:        switch (type) {
                    804:        case (MDOC_Inset):
                    805:                if (MDOC_BODY == node->type)
                    806:                        p->flags &= ~TERMP_NOSPACE;
                    807:                else
                    808:                        p->flags |= TERMP_NOSPACE;
                    809:                break;
                    810:        default:
                    811:                p->flags |= TERMP_NOSPACE;
                    812:                break;
                    813:        }
                    814:
                    815:        /*
                    816:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    817:         */
                    818:
                    819:        switch (type) {
                    820:        case (MDOC_Diag):
                    821:                if (MDOC_HEAD == node->type)
                    822:                        p->flags |= ttypes[TTYPE_DIAG];
                    823:                break;
                    824:        default:
                    825:                break;
                    826:        }
                    827:
                    828:        /*
                    829:         * Pad and break control.  This is the tricker part.  Lists with
                    830:         * set right-margins for the head get TERMP_NOBREAK because, if
                    831:         * they overrun the margin, they wrap to the new margin.
                    832:         * Correspondingly, the body for these types don't left-pad, as
                    833:         * the head will pad out to to the right.
                    834:         */
                    835:
                    836:        switch (type) {
                    837:        case (MDOC_Bullet):
                    838:                /* FALLTHROUGH */
                    839:        case (MDOC_Dash):
                    840:                /* FALLTHROUGH */
                    841:        case (MDOC_Enum):
                    842:                /* FALLTHROUGH */
                    843:        case (MDOC_Hyphen):
1.39      kristaps  844:                if (MDOC_HEAD == node->type)
                    845:                        p->flags |= TERMP_NOBREAK;
                    846:                else
                    847:                        p->flags |= TERMP_NOLPAD;
                    848:                break;
1.38      kristaps  849:        case (MDOC_Hang):
1.39      kristaps  850:                if (MDOC_HEAD == node->type)
                    851:                        p->flags |= TERMP_NOBREAK;
                    852:                else
                    853:                        p->flags |= TERMP_NOLPAD;
                    854:
                    855:                if (MDOC_HEAD == node->type)
                    856:                        p->flags |= TERMP_HANG;
                    857:                break;
1.1       kristaps  858:        case (MDOC_Tag):
                    859:                if (MDOC_HEAD == node->type)
                    860:                        p->flags |= TERMP_NOBREAK;
                    861:                else
                    862:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  863:
1.39      kristaps  864:                if (MDOC_HEAD != node->type)
                    865:                        break;
                    866:                if (NULL == node->next || NULL == node->next->child)
                    867:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  868:                break;
                    869:        case (MDOC_Column):
                    870:                if (MDOC_HEAD == node->type) {
                    871:                        assert(node->next);
                    872:                        if (MDOC_BODY == node->next->type)
                    873:                                p->flags &= ~TERMP_NOBREAK;
                    874:                        else
                    875:                                p->flags |= TERMP_NOBREAK;
                    876:                        if (node->prev)
                    877:                                p->flags |= TERMP_NOLPAD;
                    878:                }
                    879:                break;
                    880:        case (MDOC_Diag):
                    881:                if (MDOC_HEAD == node->type)
                    882:                        p->flags |= TERMP_NOBREAK;
                    883:                break;
                    884:        default:
                    885:                break;
                    886:        }
                    887:
                    888:        /*
                    889:         * Margin control.  Set-head-width lists have their right
                    890:         * margins shortened.  The body for these lists has the offset
                    891:         * necessarily lengthened.  Everybody gets the offset.
                    892:         */
                    893:
                    894:        p->offset += offset;
                    895:
                    896:        switch (type) {
                    897:        case (MDOC_Bullet):
                    898:                /* FALLTHROUGH */
                    899:        case (MDOC_Dash):
                    900:                /* FALLTHROUGH */
                    901:        case (MDOC_Enum):
                    902:                /* FALLTHROUGH */
                    903:        case (MDOC_Hyphen):
                    904:                /* FALLTHROUGH */
1.38      kristaps  905:        case (MDOC_Hang):
                    906:                /* FALLTHROUGH */
1.1       kristaps  907:        case (MDOC_Tag):
                    908:                if (MDOC_HEAD == node->type)
                    909:                        p->rmargin = p->offset + width;
                    910:                else
                    911:                        p->offset += width;
                    912:                break;
                    913:        case (MDOC_Column):
                    914:                p->rmargin = p->offset + width;
                    915:                break;
                    916:        default:
                    917:                break;
                    918:        }
                    919:
                    920:        /*
                    921:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  922:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  923:         */
                    924:
                    925:        if (MDOC_HEAD == node->type)
                    926:                switch (type) {
                    927:                case (MDOC_Bullet):
1.15      kristaps  928:                        p->flags |= TERMP_BOLD;
1.1       kristaps  929:                        term_word(p, "\\[bu]");
1.39      kristaps  930:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  931:                        break;
                    932:                case (MDOC_Dash):
                    933:                        /* FALLTHROUGH */
                    934:                case (MDOC_Hyphen):
1.15      kristaps  935:                        p->flags |= TERMP_BOLD;
1.27      kristaps  936:                        term_word(p, "\\(hy");
1.39      kristaps  937:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  938:                        break;
                    939:                case (MDOC_Enum):
                    940:                        (pair->ppair->ppair->count)++;
                    941:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    942:                                        pair->ppair->ppair->count);
                    943:                        term_word(p, buf);
                    944:                        break;
                    945:                default:
                    946:                        break;
                    947:                }
                    948:
                    949:        /*
                    950:         * If we're not going to process our children, indicate so here.
                    951:         */
                    952:
                    953:        switch (type) {
                    954:        case (MDOC_Bullet):
                    955:                /* FALLTHROUGH */
                    956:        case (MDOC_Item):
                    957:                /* FALLTHROUGH */
                    958:        case (MDOC_Dash):
                    959:                /* FALLTHROUGH */
                    960:        case (MDOC_Hyphen):
                    961:                /* FALLTHROUGH */
                    962:        case (MDOC_Enum):
                    963:                if (MDOC_HEAD == node->type)
                    964:                        return(0);
                    965:                break;
                    966:        case (MDOC_Column):
                    967:                if (MDOC_BODY == node->type)
                    968:                        return(0);
                    969:                break;
                    970:        default:
                    971:                break;
                    972:        }
                    973:
                    974:        return(1);
                    975: }
                    976:
                    977:
                    978: /* ARGSUSED */
                    979: static void
                    980: termp_it_post(DECL_ARGS)
                    981: {
                    982:        int                type;
                    983:
                    984:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                    985:                return;
                    986:
                    987:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps  988:        assert(-1 != type);
1.1       kristaps  989:
                    990:        switch (type) {
                    991:        case (MDOC_Diag):
1.43      kristaps  992:                term_word(p, "\\ ");
1.1       kristaps  993:                /* FALLTHROUGH */
                    994:        case (MDOC_Item):
                    995:                /* FALLTHROUGH */
                    996:        case (MDOC_Inset):
                    997:                if (MDOC_BODY == node->type)
                    998:                        term_flushln(p);
                    999:                break;
                   1000:        case (MDOC_Column):
                   1001:                if (MDOC_HEAD == node->type)
                   1002:                        term_flushln(p);
                   1003:                break;
                   1004:        default:
                   1005:                term_flushln(p);
                   1006:                break;
                   1007:        }
                   1008:
                   1009:        p->flags = pair->flag;
                   1010: }
                   1011:
                   1012:
                   1013: /* ARGSUSED */
                   1014: static int
                   1015: termp_nm_pre(DECL_ARGS)
                   1016: {
                   1017:
                   1018:        if (SEC_SYNOPSIS == node->sec)
                   1019:                term_newln(p);
                   1020:
1.28      kristaps 1021:        pair->flag |= ttypes[TTYPE_PROG];
                   1022:        p->flags |= ttypes[TTYPE_PROG];
                   1023:
1.1       kristaps 1024:        if (NULL == node->child)
                   1025:                term_word(p, meta->name);
                   1026:
                   1027:        return(1);
                   1028: }
                   1029:
                   1030:
                   1031: /* ARGSUSED */
                   1032: static int
                   1033: termp_fl_pre(DECL_ARGS)
                   1034: {
                   1035:
1.28      kristaps 1036:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1037:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1038:        term_word(p, "\\-");
                   1039:        p->flags |= TERMP_NOSPACE;
                   1040:        return(1);
                   1041: }
                   1042:
                   1043:
                   1044: /* ARGSUSED */
                   1045: static int
                   1046: termp_ar_pre(DECL_ARGS)
                   1047: {
                   1048:
1.28      kristaps 1049:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1050:        return(1);
                   1051: }
                   1052:
                   1053:
                   1054: /* ARGSUSED */
                   1055: static int
                   1056: termp_ns_pre(DECL_ARGS)
                   1057: {
                   1058:
                   1059:        p->flags |= TERMP_NOSPACE;
                   1060:        return(1);
                   1061: }
                   1062:
                   1063:
                   1064: /* ARGSUSED */
                   1065: static int
                   1066: termp_pp_pre(DECL_ARGS)
                   1067: {
                   1068:
                   1069:        term_vspace(p);
                   1070:        return(1);
                   1071: }
                   1072:
                   1073:
                   1074: /* ARGSUSED */
                   1075: static int
                   1076: termp_rs_pre(DECL_ARGS)
                   1077: {
                   1078:
                   1079:        if (MDOC_BLOCK == node->type && node->prev)
                   1080:                term_vspace(p);
                   1081:        return(1);
                   1082: }
                   1083:
                   1084:
                   1085: /* ARGSUSED */
                   1086: static int
                   1087: termp_rv_pre(DECL_ARGS)
                   1088: {
                   1089:        int              i;
                   1090:
1.34      kristaps 1091:        i = arg_getattr(MDOC_Std, node);
                   1092:        assert(-1 != i);
                   1093:        assert(node->args->argv[i].sz);
1.1       kristaps 1094:
                   1095:        term_newln(p);
                   1096:        term_word(p, "The");
                   1097:
                   1098:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1099:        term_word(p, *node->args->argv[i].value);
                   1100:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1101:        p->flags |= TERMP_NOSPACE;
                   1102:
                   1103:                term_word(p, "() function returns the value 0 if successful;");
                   1104:                term_word(p, "otherwise the value -1 is returned and the");
                   1105:                term_word(p, "global variable");
                   1106:
                   1107:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1108:        term_word(p, "errno");
                   1109:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1110:
                   1111:                term_word(p, "is set to indicate the error.");
                   1112:
                   1113:        return(1);
                   1114: }
                   1115:
                   1116:
                   1117: /* ARGSUSED */
                   1118: static int
                   1119: termp_ex_pre(DECL_ARGS)
                   1120: {
                   1121:        int              i;
                   1122:
1.34      kristaps 1123:        i = arg_getattr(MDOC_Std, node);
                   1124:        assert(-1 != i);
                   1125:        assert(node->args->argv[i].sz);
1.1       kristaps 1126:
                   1127:        term_word(p, "The");
                   1128:        p->flags |= ttypes[TTYPE_PROG];
                   1129:        term_word(p, *node->args->argv[i].value);
                   1130:        p->flags &= ~ttypes[TTYPE_PROG];
                   1131:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1132:
                   1133:        return(1);
                   1134: }
                   1135:
                   1136:
                   1137: /* ARGSUSED */
                   1138: static int
                   1139: termp_nd_pre(DECL_ARGS)
                   1140: {
1.25      kristaps 1141:
                   1142:        if (MDOC_BODY != node->type)
                   1143:                return(1);
1.30      kristaps 1144:
1.27      kristaps 1145: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1146:        term_word(p, "\\(en");
1.23      kristaps 1147: #else
                   1148:        term_word(p, "\\(em");
                   1149: #endif
1.1       kristaps 1150:        return(1);
                   1151: }
                   1152:
                   1153:
                   1154: /* ARGSUSED */
                   1155: static void
                   1156: termp_bl_post(DECL_ARGS)
                   1157: {
                   1158:
                   1159:        if (MDOC_BLOCK == node->type)
                   1160:                term_newln(p);
                   1161: }
                   1162:
                   1163:
                   1164: /* ARGSUSED */
                   1165: static void
                   1166: termp_op_post(DECL_ARGS)
                   1167: {
                   1168:
                   1169:        if (MDOC_BODY != node->type)
                   1170:                return;
                   1171:        p->flags |= TERMP_NOSPACE;
                   1172:        term_word(p, "\\(rB");
                   1173: }
                   1174:
                   1175:
                   1176: /* ARGSUSED */
                   1177: static int
                   1178: termp_xr_pre(DECL_ARGS)
                   1179: {
                   1180:        const struct mdoc_node *n;
                   1181:
1.11      kristaps 1182:        assert(node->child && MDOC_TEXT == node->child->type);
                   1183:        n = node->child;
                   1184:
1.1       kristaps 1185:        term_word(p, n->string);
                   1186:        if (NULL == (n = n->next))
                   1187:                return(0);
                   1188:        p->flags |= TERMP_NOSPACE;
                   1189:        term_word(p, "(");
                   1190:        p->flags |= TERMP_NOSPACE;
                   1191:        term_word(p, n->string);
                   1192:        p->flags |= TERMP_NOSPACE;
                   1193:        term_word(p, ")");
                   1194:        return(0);
                   1195: }
                   1196:
                   1197:
                   1198: /* ARGSUSED */
                   1199: static int
                   1200: termp_vt_pre(DECL_ARGS)
                   1201: {
                   1202:
                   1203:        /* FIXME: this can be "type name". */
1.29      kristaps 1204:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1205:        return(1);
                   1206: }
                   1207:
                   1208:
                   1209: /* ARGSUSED */
                   1210: static void
                   1211: termp_vt_post(DECL_ARGS)
                   1212: {
                   1213:
1.32      kristaps 1214:        if (node->sec != SEC_SYNOPSIS)
                   1215:                return;
                   1216:        if (node->next && MDOC_Vt == node->next->tok)
                   1217:                term_newln(p);
                   1218:        else if (node->next)
1.1       kristaps 1219:                term_vspace(p);
                   1220: }
                   1221:
                   1222:
                   1223: /* ARGSUSED */
                   1224: static int
                   1225: termp_fd_pre(DECL_ARGS)
                   1226: {
                   1227:
1.29      kristaps 1228:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1229:        return(1);
                   1230: }
                   1231:
                   1232:
                   1233: /* ARGSUSED */
                   1234: static void
                   1235: termp_fd_post(DECL_ARGS)
                   1236: {
                   1237:
                   1238:        if (node->sec != SEC_SYNOPSIS)
                   1239:                return;
1.29      kristaps 1240:
1.1       kristaps 1241:        term_newln(p);
                   1242:        if (node->next && MDOC_Fd != node->next->tok)
                   1243:                term_vspace(p);
                   1244: }
                   1245:
                   1246:
                   1247: /* ARGSUSED */
                   1248: static int
                   1249: termp_sh_pre(DECL_ARGS)
                   1250: {
                   1251:
                   1252:        switch (node->type) {
                   1253:        case (MDOC_HEAD):
                   1254:                term_vspace(p);
1.28      kristaps 1255:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1256:                break;
                   1257:        case (MDOC_BODY):
                   1258:                p->offset = INDENT;
                   1259:                break;
                   1260:        default:
                   1261:                break;
                   1262:        }
                   1263:        return(1);
                   1264: }
                   1265:
                   1266:
                   1267: /* ARGSUSED */
                   1268: static void
                   1269: termp_sh_post(DECL_ARGS)
                   1270: {
                   1271:
                   1272:        switch (node->type) {
                   1273:        case (MDOC_HEAD):
                   1274:                term_newln(p);
                   1275:                break;
                   1276:        case (MDOC_BODY):
                   1277:                term_newln(p);
                   1278:                p->offset = 0;
                   1279:                break;
                   1280:        default:
                   1281:                break;
                   1282:        }
                   1283: }
                   1284:
                   1285:
                   1286: /* ARGSUSED */
                   1287: static int
                   1288: termp_op_pre(DECL_ARGS)
                   1289: {
                   1290:
                   1291:        switch (node->type) {
                   1292:        case (MDOC_BODY):
                   1293:                term_word(p, "\\(lB");
                   1294:                p->flags |= TERMP_NOSPACE;
                   1295:                break;
                   1296:        default:
                   1297:                break;
                   1298:        }
                   1299:        return(1);
                   1300: }
                   1301:
                   1302:
                   1303: /* ARGSUSED */
                   1304: static int
                   1305: termp_bt_pre(DECL_ARGS)
                   1306: {
                   1307:
                   1308:        term_word(p, "is currently in beta test.");
                   1309:        return(1);
                   1310: }
                   1311:
                   1312:
                   1313: /* ARGSUSED */
                   1314: static void
                   1315: termp_lb_post(DECL_ARGS)
                   1316: {
                   1317:
                   1318:        term_newln(p);
                   1319: }
                   1320:
                   1321:
                   1322: /* ARGSUSED */
                   1323: static int
                   1324: termp_ud_pre(DECL_ARGS)
                   1325: {
                   1326:
                   1327:        term_word(p, "currently under development.");
                   1328:        return(1);
                   1329: }
                   1330:
                   1331:
                   1332: /* ARGSUSED */
                   1333: static int
                   1334: termp_d1_pre(DECL_ARGS)
                   1335: {
                   1336:
1.4       kristaps 1337:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1338:                return(1);
                   1339:        term_newln(p);
1.29      kristaps 1340:        p->offset += (INDENT + 1);
1.1       kristaps 1341:        return(1);
                   1342: }
                   1343:
                   1344:
                   1345: /* ARGSUSED */
                   1346: static void
                   1347: termp_d1_post(DECL_ARGS)
                   1348: {
                   1349:
1.4       kristaps 1350:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1351:                return;
                   1352:        term_newln(p);
                   1353: }
                   1354:
                   1355:
                   1356: /* ARGSUSED */
                   1357: static int
                   1358: termp_aq_pre(DECL_ARGS)
                   1359: {
                   1360:
                   1361:        if (MDOC_BODY != node->type)
                   1362:                return(1);
                   1363:        term_word(p, "\\(la");
                   1364:        p->flags |= TERMP_NOSPACE;
                   1365:        return(1);
                   1366: }
                   1367:
                   1368:
                   1369: /* ARGSUSED */
                   1370: static void
                   1371: termp_aq_post(DECL_ARGS)
                   1372: {
                   1373:
                   1374:        if (MDOC_BODY != node->type)
                   1375:                return;
                   1376:        p->flags |= TERMP_NOSPACE;
                   1377:        term_word(p, "\\(ra");
                   1378: }
                   1379:
                   1380:
                   1381: /* ARGSUSED */
                   1382: static int
                   1383: termp_ft_pre(DECL_ARGS)
                   1384: {
                   1385:
                   1386:        if (SEC_SYNOPSIS == node->sec)
                   1387:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1388:                        term_vspace(p);
1.28      kristaps 1389:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1390:        return(1);
                   1391: }
                   1392:
                   1393:
                   1394: /* ARGSUSED */
                   1395: static void
                   1396: termp_ft_post(DECL_ARGS)
                   1397: {
                   1398:
                   1399:        if (SEC_SYNOPSIS == node->sec)
                   1400:                term_newln(p);
                   1401: }
                   1402:
                   1403:
                   1404: /* ARGSUSED */
                   1405: static int
                   1406: termp_fn_pre(DECL_ARGS)
                   1407: {
                   1408:        const struct mdoc_node *n;
                   1409:
1.11      kristaps 1410:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1411:
                   1412:        /* FIXME: can be "type funcname" "type varname"... */
                   1413:
                   1414:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1415:        term_word(p, node->child->string);
                   1416:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1417:
                   1418:        p->flags |= TERMP_NOSPACE;
                   1419:        term_word(p, "(");
                   1420:
                   1421:        for (n = node->child->next; n; n = n->next) {
                   1422:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1423:                term_word(p, n->string);
                   1424:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1425:                if (n->next)
                   1426:                        term_word(p, ",");
                   1427:        }
                   1428:
                   1429:        term_word(p, ")");
                   1430:
                   1431:        if (SEC_SYNOPSIS == node->sec)
                   1432:                term_word(p, ";");
                   1433:
                   1434:        return(0);
                   1435: }
                   1436:
                   1437:
                   1438: /* ARGSUSED */
                   1439: static void
                   1440: termp_fn_post(DECL_ARGS)
                   1441: {
                   1442:
                   1443:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1444:                term_vspace(p);
                   1445: }
                   1446:
                   1447:
                   1448: /* ARGSUSED */
                   1449: static int
                   1450: termp_sx_pre(DECL_ARGS)
                   1451: {
                   1452:
1.28      kristaps 1453:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1454:        return(1);
                   1455: }
                   1456:
                   1457:
                   1458: /* ARGSUSED */
                   1459: static int
                   1460: termp_fa_pre(DECL_ARGS)
                   1461: {
                   1462:        struct mdoc_node *n;
                   1463:
                   1464:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1465:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1466:                return(1);
                   1467:        }
                   1468:
                   1469:        for (n = node->child; n; n = n->next) {
                   1470:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1471:                term_word(p, n->string);
                   1472:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1473:                if (n->next)
                   1474:                        term_word(p, ",");
                   1475:        }
                   1476:
                   1477:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1478:                term_word(p, ",");
                   1479:
                   1480:        return(0);
                   1481: }
                   1482:
                   1483:
                   1484: /* ARGSUSED */
                   1485: static int
                   1486: termp_va_pre(DECL_ARGS)
                   1487: {
                   1488:
1.28      kristaps 1489:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1490:        return(1);
                   1491: }
                   1492:
                   1493:
                   1494: /* ARGSUSED */
                   1495: static int
                   1496: termp_bd_pre(DECL_ARGS)
                   1497: {
                   1498:        int              i, type, ln;
                   1499:
                   1500:        /*
                   1501:         * This is fairly tricky due primarily to crappy documentation.
                   1502:         * If -ragged or -filled are specified, the block does nothing
                   1503:         * but change the indentation.
                   1504:         *
                   1505:         * If, on the other hand, -unfilled or -literal are specified,
                   1506:         * then the game changes.  Text is printed exactly as entered in
                   1507:         * the display: if a macro line, a newline is appended to the
                   1508:         * line.  Blank lines are allowed.
                   1509:         */
                   1510:
                   1511:        if (MDOC_BLOCK == node->type)
                   1512:                return(fmt_block_vspace(p, node, node));
                   1513:        else if (MDOC_BODY != node->type)
                   1514:                return(1);
                   1515:
1.11      kristaps 1516:        /* FIXME: display type should be mandated by parser. */
                   1517:
1.1       kristaps 1518:        if (NULL == node->parent->args)
                   1519:                errx(1, "missing display type");
                   1520:
                   1521:        for (type = -1, i = 0;
                   1522:                        i < (int)node->parent->args->argc; i++) {
                   1523:                switch (node->parent->args->argv[i].arg) {
                   1524:                case (MDOC_Ragged):
                   1525:                        /* FALLTHROUGH */
                   1526:                case (MDOC_Filled):
                   1527:                        /* FALLTHROUGH */
                   1528:                case (MDOC_Unfilled):
                   1529:                        /* FALLTHROUGH */
                   1530:                case (MDOC_Literal):
                   1531:                        type = node->parent->args->argv[i].arg;
                   1532:                        i = (int)node->parent->args->argc;
                   1533:                        break;
                   1534:                default:
                   1535:                        break;
                   1536:                }
                   1537:        }
                   1538:
                   1539:        if (NULL == node->parent->args)
                   1540:                errx(1, "missing display type");
                   1541:
                   1542:        i = arg_getattr(MDOC_Offset, node->parent);
                   1543:        if (-1 != i) {
                   1544:                if (1 != node->parent->args->argv[i].sz)
                   1545:                        errx(1, "expected single value");
                   1546:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1547:        }
                   1548:
                   1549:        switch (type) {
                   1550:        case (MDOC_Literal):
                   1551:                /* FALLTHROUGH */
                   1552:        case (MDOC_Unfilled):
                   1553:                break;
                   1554:        default:
                   1555:                return(1);
                   1556:        }
                   1557:
                   1558:        /*
                   1559:         * Tricky.  Iterate through all children.  If we're on a
                   1560:         * different parse line, append a newline and then the contents.
                   1561:         * Ew.
                   1562:         */
                   1563:
                   1564:        p->flags |= TERMP_LITERAL;
                   1565:        ln = node->child ? node->child->line : 0;
                   1566:
                   1567:        for (node = node->child; node; node = node->next) {
                   1568:                if (ln < node->line) {
                   1569:                        term_flushln(p);
                   1570:                        p->flags |= TERMP_NOSPACE;
                   1571:                }
                   1572:                ln = node->line;
                   1573:                print_node(p, pair, meta, node);
                   1574:        }
                   1575:
                   1576:        return(0);
                   1577: }
                   1578:
                   1579:
                   1580: /* ARGSUSED */
                   1581: static void
                   1582: termp_bd_post(DECL_ARGS)
                   1583: {
                   1584:
                   1585:        if (MDOC_BODY != node->type)
                   1586:                return;
                   1587:
                   1588:        term_flushln(p);
                   1589:        p->flags &= ~TERMP_LITERAL;
                   1590:        p->flags |= TERMP_NOSPACE;
                   1591: }
                   1592:
                   1593:
                   1594: /* ARGSUSED */
                   1595: static int
                   1596: termp_qq_pre(DECL_ARGS)
                   1597: {
                   1598:
                   1599:        if (MDOC_BODY != node->type)
                   1600:                return(1);
                   1601:        term_word(p, "\"");
                   1602:        p->flags |= TERMP_NOSPACE;
                   1603:        return(1);
                   1604: }
                   1605:
                   1606:
                   1607: /* ARGSUSED */
                   1608: static void
                   1609: termp_qq_post(DECL_ARGS)
                   1610: {
                   1611:
                   1612:        if (MDOC_BODY != node->type)
                   1613:                return;
                   1614:        p->flags |= TERMP_NOSPACE;
                   1615:        term_word(p, "\"");
                   1616: }
                   1617:
                   1618:
                   1619: /* ARGSUSED */
                   1620: static void
                   1621: termp_bx_post(DECL_ARGS)
                   1622: {
                   1623:
                   1624:        if (node->child)
                   1625:                p->flags |= TERMP_NOSPACE;
                   1626:        term_word(p, "BSD");
                   1627: }
                   1628:
                   1629:
                   1630: /* ARGSUSED */
                   1631: static int
1.26      kristaps 1632: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1633: {
1.26      kristaps 1634:        const char      *pp;
1.1       kristaps 1635:
1.26      kristaps 1636:        pp = NULL;
                   1637:        switch (node->tok) {
                   1638:        case (MDOC_Bsx):
                   1639:                pp = "BSDI BSD/OS";
                   1640:                break;
                   1641:        case (MDOC_Dx):
                   1642:                pp = "DragonFlyBSD";
                   1643:                break;
                   1644:        case (MDOC_Fx):
                   1645:                pp = "FreeBSD";
                   1646:                break;
                   1647:        case (MDOC_Nx):
                   1648:                pp = "NetBSD";
                   1649:                break;
                   1650:        case (MDOC_Ox):
                   1651:                pp = "OpenBSD";
                   1652:                break;
                   1653:        case (MDOC_Ux):
                   1654:                pp = "UNIX";
                   1655:                break;
                   1656:        default:
                   1657:                break;
                   1658:        }
1.1       kristaps 1659:
1.26      kristaps 1660:        assert(pp);
                   1661:        term_word(p, pp);
1.1       kristaps 1662:        return(1);
                   1663: }
                   1664:
                   1665:
                   1666: /* ARGSUSED */
                   1667: static int
                   1668: termp_sq_pre(DECL_ARGS)
                   1669: {
                   1670:
                   1671:        if (MDOC_BODY != node->type)
                   1672:                return(1);
                   1673:        term_word(p, "\\(oq");
                   1674:        p->flags |= TERMP_NOSPACE;
                   1675:        return(1);
                   1676: }
                   1677:
                   1678:
                   1679: /* ARGSUSED */
                   1680: static void
                   1681: termp_sq_post(DECL_ARGS)
                   1682: {
                   1683:
                   1684:        if (MDOC_BODY != node->type)
                   1685:                return;
                   1686:        p->flags |= TERMP_NOSPACE;
                   1687:        term_word(p, "\\(aq");
                   1688: }
                   1689:
                   1690:
                   1691: /* ARGSUSED */
                   1692: static int
                   1693: termp_pf_pre(DECL_ARGS)
                   1694: {
                   1695:
                   1696:        p->flags |= TERMP_IGNDELIM;
                   1697:        return(1);
                   1698: }
                   1699:
                   1700:
                   1701: /* ARGSUSED */
                   1702: static void
                   1703: termp_pf_post(DECL_ARGS)
                   1704: {
                   1705:
                   1706:        p->flags &= ~TERMP_IGNDELIM;
                   1707:        p->flags |= TERMP_NOSPACE;
                   1708: }
                   1709:
                   1710:
                   1711: /* ARGSUSED */
                   1712: static int
                   1713: termp_ss_pre(DECL_ARGS)
                   1714: {
                   1715:
                   1716:        switch (node->type) {
                   1717:        case (MDOC_BLOCK):
                   1718:                term_newln(p);
                   1719:                if (node->prev)
                   1720:                        term_vspace(p);
                   1721:                break;
                   1722:        case (MDOC_HEAD):
1.28      kristaps 1723:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1724:                p->offset = HALFINDENT;
1.1       kristaps 1725:                break;
                   1726:        default:
                   1727:                break;
                   1728:        }
                   1729:
                   1730:        return(1);
                   1731: }
                   1732:
                   1733:
                   1734: /* ARGSUSED */
                   1735: static void
                   1736: termp_ss_post(DECL_ARGS)
                   1737: {
                   1738:
1.29      kristaps 1739:        if (MDOC_HEAD == node->type)
1.1       kristaps 1740:                term_newln(p);
                   1741: }
                   1742:
                   1743:
                   1744: /* ARGSUSED */
                   1745: static int
                   1746: termp_pa_pre(DECL_ARGS)
                   1747: {
                   1748:
1.28      kristaps 1749:        pair->flag |= ttypes[TTYPE_FILE];
1.1       kristaps 1750:        return(1);
                   1751: }
                   1752:
                   1753:
                   1754: /* ARGSUSED */
                   1755: static int
                   1756: termp_em_pre(DECL_ARGS)
                   1757: {
                   1758:
1.28      kristaps 1759:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1760:        return(1);
                   1761: }
                   1762:
                   1763:
                   1764: /* ARGSUSED */
                   1765: static int
                   1766: termp_cd_pre(DECL_ARGS)
                   1767: {
                   1768:
1.28      kristaps 1769:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1770:        term_newln(p);
                   1771:        return(1);
                   1772: }
                   1773:
                   1774:
                   1775: /* ARGSUSED */
                   1776: static int
                   1777: termp_cm_pre(DECL_ARGS)
                   1778: {
                   1779:
1.28      kristaps 1780:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1781:        return(1);
                   1782: }
                   1783:
                   1784:
                   1785: /* ARGSUSED */
                   1786: static int
                   1787: termp_ic_pre(DECL_ARGS)
                   1788: {
                   1789:
1.28      kristaps 1790:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1791:        return(1);
                   1792: }
                   1793:
                   1794:
                   1795: /* ARGSUSED */
                   1796: static int
                   1797: termp_in_pre(DECL_ARGS)
                   1798: {
                   1799:
1.28      kristaps 1800:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1801:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1802:
                   1803:        if (SEC_SYNOPSIS == node->sec)
                   1804:                term_word(p, "#include");
                   1805:
1.1       kristaps 1806:        term_word(p, "<");
                   1807:        p->flags |= TERMP_NOSPACE;
                   1808:        return(1);
                   1809: }
                   1810:
                   1811:
                   1812: /* ARGSUSED */
                   1813: static void
                   1814: termp_in_post(DECL_ARGS)
                   1815: {
                   1816:
                   1817:        p->flags |= TERMP_NOSPACE;
                   1818:        term_word(p, ">");
                   1819:
                   1820:        if (SEC_SYNOPSIS != node->sec)
                   1821:                return;
1.22      kristaps 1822:
                   1823:        term_newln(p);
                   1824:        /*
                   1825:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1826:         * the SYNOPSIS section, then it produces a single break after
                   1827:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1828:         * construction is rarely used, I think it's fine.
                   1829:         */
1.1       kristaps 1830:        if (node->next && MDOC_In != node->next->tok)
                   1831:                term_vspace(p);
                   1832: }
                   1833:
                   1834:
                   1835: /* ARGSUSED */
                   1836: static int
1.45    ! kristaps 1837: termp_sp_pre(DECL_ARGS)
        !          1838: {
        !          1839:        int              i, len;
        !          1840:
        !          1841:        if (NULL == node->child) {
        !          1842:                term_vspace(p);
        !          1843:                return(0);
        !          1844:        }
        !          1845:
        !          1846:        len = atoi(node->child->string);
        !          1847:        if (0 == len)
        !          1848:                term_newln(p);
        !          1849:        for (i = 0; i < len; i++)
        !          1850:                term_vspace(p);
        !          1851:
        !          1852:        return(0);
        !          1853: }
        !          1854:
        !          1855:
        !          1856: /* ARGSUSED */
        !          1857: static int
1.44      kristaps 1858: termp_br_pre(DECL_ARGS)
                   1859: {
                   1860:
                   1861:        term_newln(p);
                   1862:        return(1);
                   1863: }
                   1864:
                   1865:
                   1866: /* ARGSUSED */
                   1867: static int
1.1       kristaps 1868: termp_brq_pre(DECL_ARGS)
                   1869: {
                   1870:
                   1871:        if (MDOC_BODY != node->type)
                   1872:                return(1);
                   1873:        term_word(p, "\\(lC");
                   1874:        p->flags |= TERMP_NOSPACE;
                   1875:        return(1);
                   1876: }
                   1877:
                   1878:
                   1879: /* ARGSUSED */
                   1880: static void
                   1881: termp_brq_post(DECL_ARGS)
                   1882: {
                   1883:
                   1884:        if (MDOC_BODY != node->type)
                   1885:                return;
                   1886:        p->flags |= TERMP_NOSPACE;
                   1887:        term_word(p, "\\(rC");
                   1888: }
                   1889:
                   1890:
                   1891: /* ARGSUSED */
                   1892: static int
                   1893: termp_bq_pre(DECL_ARGS)
                   1894: {
                   1895:
                   1896:        if (MDOC_BODY != node->type)
                   1897:                return(1);
                   1898:        term_word(p, "\\(lB");
                   1899:        p->flags |= TERMP_NOSPACE;
                   1900:        return(1);
                   1901: }
                   1902:
                   1903:
                   1904: /* ARGSUSED */
                   1905: static void
                   1906: termp_bq_post(DECL_ARGS)
                   1907: {
                   1908:
                   1909:        if (MDOC_BODY != node->type)
                   1910:                return;
                   1911:        p->flags |= TERMP_NOSPACE;
                   1912:        term_word(p, "\\(rB");
                   1913: }
                   1914:
                   1915:
                   1916: /* ARGSUSED */
                   1917: static int
                   1918: termp_pq_pre(DECL_ARGS)
                   1919: {
                   1920:
                   1921:        if (MDOC_BODY != node->type)
                   1922:                return(1);
                   1923:        term_word(p, "\\&(");
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        return(1);
                   1926: }
                   1927:
                   1928:
                   1929: /* ARGSUSED */
                   1930: static void
                   1931: termp_pq_post(DECL_ARGS)
                   1932: {
                   1933:
                   1934:        if (MDOC_BODY != node->type)
                   1935:                return;
                   1936:        term_word(p, ")");
                   1937: }
                   1938:
                   1939:
                   1940: /* ARGSUSED */
                   1941: static int
                   1942: termp_fo_pre(DECL_ARGS)
                   1943: {
                   1944:        const struct mdoc_node *n;
                   1945:
                   1946:        if (MDOC_BODY == node->type) {
1.33      kristaps 1947:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1948:                term_word(p, "(");
                   1949:                p->flags |= TERMP_NOSPACE;
                   1950:                return(1);
                   1951:        } else if (MDOC_HEAD != node->type)
                   1952:                return(1);
                   1953:
                   1954:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1955:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1956:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1957:                term_word(p, n->string);
                   1958:        }
                   1959:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1960:
                   1961:        return(0);
                   1962: }
                   1963:
                   1964:
                   1965: /* ARGSUSED */
                   1966: static void
                   1967: termp_fo_post(DECL_ARGS)
                   1968: {
                   1969:
                   1970:        if (MDOC_BODY != node->type)
                   1971:                return;
                   1972:        p->flags |= TERMP_NOSPACE;
                   1973:        term_word(p, ")");
                   1974:        p->flags |= TERMP_NOSPACE;
                   1975:        term_word(p, ";");
                   1976:        term_newln(p);
                   1977: }
                   1978:
                   1979:
                   1980: /* ARGSUSED */
                   1981: static int
                   1982: termp_bf_pre(DECL_ARGS)
                   1983: {
                   1984:        const struct mdoc_node  *n;
                   1985:
1.28      kristaps 1986:        if (MDOC_HEAD == node->type)
1.1       kristaps 1987:                return(0);
1.28      kristaps 1988:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 1989:                return(1);
                   1990:
                   1991:        if (NULL == (n = node->head->child)) {
                   1992:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 1993:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1994:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 1995:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 1996:
                   1997:                return(1);
                   1998:        }
                   1999:
1.11      kristaps 2000:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2001:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2002:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2003:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2004:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2005:
                   2006:        return(1);
                   2007: }
                   2008:
                   2009:
                   2010: /* ARGSUSED */
                   2011: static int
                   2012: termp_sy_pre(DECL_ARGS)
                   2013: {
                   2014:
1.28      kristaps 2015:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2016:        return(1);
                   2017: }
                   2018:
                   2019:
                   2020: /* ARGSUSED */
                   2021: static int
                   2022: termp_ms_pre(DECL_ARGS)
                   2023: {
                   2024:
1.28      kristaps 2025:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2026:        return(1);
                   2027: }
                   2028:
                   2029:
                   2030:
                   2031: /* ARGSUSED */
                   2032: static int
                   2033: termp_sm_pre(DECL_ARGS)
                   2034: {
                   2035:
1.11      kristaps 2036:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2037:        if (0 == strcmp("on", node->child->string)) {
                   2038:                p->flags &= ~TERMP_NONOSPACE;
                   2039:                p->flags &= ~TERMP_NOSPACE;
                   2040:        } else
                   2041:                p->flags |= TERMP_NONOSPACE;
                   2042:
                   2043:        return(0);
                   2044: }
                   2045:
                   2046:
                   2047: /* ARGSUSED */
                   2048: static int
                   2049: termp_ap_pre(DECL_ARGS)
                   2050: {
                   2051:
                   2052:        p->flags |= TERMP_NOSPACE;
                   2053:        term_word(p, "\\(aq");
                   2054:        p->flags |= TERMP_NOSPACE;
                   2055:        return(1);
                   2056: }
                   2057:
                   2058:
                   2059: /* ARGSUSED */
                   2060: static int
                   2061: termp__j_pre(DECL_ARGS)
                   2062: {
                   2063:
1.28      kristaps 2064:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2065:        return(1);
                   2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static int
                   2071: termp__t_pre(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        term_word(p, "\"");
                   2075:        p->flags |= TERMP_NOSPACE;
                   2076:        return(1);
                   2077: }
                   2078:
                   2079:
                   2080: /* ARGSUSED */
                   2081: static void
                   2082: termp__t_post(DECL_ARGS)
                   2083: {
                   2084:
                   2085:        p->flags |= TERMP_NOSPACE;
                   2086:        term_word(p, "\"");
                   2087:        termp____post(p, pair, meta, node);
                   2088: }
                   2089:
                   2090:
                   2091: /* ARGSUSED */
                   2092: static void
                   2093: termp____post(DECL_ARGS)
                   2094: {
                   2095:
                   2096:        p->flags |= TERMP_NOSPACE;
                   2097:        term_word(p, node->next ? "," : ".");
                   2098: }
                   2099:
                   2100:
                   2101: /* ARGSUSED */
                   2102: static int
                   2103: termp_lk_pre(DECL_ARGS)
                   2104: {
                   2105:        const struct mdoc_node *n;
                   2106:
1.11      kristaps 2107:        assert(node->child);
                   2108:        n = node->child;
1.1       kristaps 2109:
1.12      kristaps 2110:        if (NULL == n->next) {
1.28      kristaps 2111:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2112:                return(1);
                   2113:        }
                   2114:
1.1       kristaps 2115:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2116:        term_word(p, n->string);
                   2117:        p->flags |= TERMP_NOSPACE;
                   2118:        term_word(p, ":");
1.12      kristaps 2119:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2120:
                   2121:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2122:        for (n = n->next; n; n = n->next)
1.1       kristaps 2123:                term_word(p, n->string);
1.12      kristaps 2124:
1.1       kristaps 2125:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2126:        return(0);
                   2127: }
                   2128:
                   2129:
                   2130: /* ARGSUSED */
                   2131: static int
                   2132: termp_mt_pre(DECL_ARGS)
                   2133: {
                   2134:
1.28      kristaps 2135:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2136:        return(1);
                   2137: }
                   2138:
                   2139:

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