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Annotation of mandoc/mdoc_term.c, Revision 1.66

1.66    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.65 2009/07/29 09:02:41 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:
1.66    ! kristaps   29: #define        INDENT            5
        !            30: #define        HALFINDENT        3
        !            31:
1.1       kristaps   32: /* FIXME: macro arguments can be escaped. */
                     33:
                     34: #define        TTYPE_PROG        0
                     35: #define        TTYPE_CMD_FLAG    1
                     36: #define        TTYPE_CMD_ARG     2
                     37: #define        TTYPE_SECTION     3
                     38: #define        TTYPE_FUNC_DECL   4
                     39: #define        TTYPE_VAR_DECL    5
                     40: #define        TTYPE_FUNC_TYPE   6
                     41: #define        TTYPE_FUNC_NAME   7
                     42: #define        TTYPE_FUNC_ARG    8
                     43: #define        TTYPE_LINK        9
                     44: #define        TTYPE_SSECTION    10
                     45: #define        TTYPE_FILE        11
                     46: #define        TTYPE_EMPH        12
                     47: #define        TTYPE_CONFIG      13
                     48: #define        TTYPE_CMD         14
                     49: #define        TTYPE_INCLUDE     15
                     50: #define        TTYPE_SYMB        16
                     51: #define        TTYPE_SYMBOL      17
                     52: #define        TTYPE_DIAG        18
                     53: #define        TTYPE_LINK_ANCHOR 19
                     54: #define        TTYPE_LINK_TEXT   20
                     55: #define        TTYPE_REF_JOURNAL 21
1.56      kristaps   56: #define        TTYPE_REF_TITLE   22
                     57: #define        TTYPE_LIST        23
                     58: #define        TTYPE_NMAX        24
1.1       kristaps   59:
                     60: const  int ttypes[TTYPE_NMAX] = {
                     61:        TERMP_BOLD,             /* TTYPE_PROG */
                     62:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     63:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     64:        TERMP_BOLD,             /* TTYPE_SECTION */
                     65:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     66:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     67:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     68:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     69:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     70:        TERMP_UNDER,            /* TTYPE_LINK */
                     71:        TERMP_BOLD,             /* TTYPE_SSECTION */
1.57      kristaps   72:        TERMP_UNDER,            /* TTYPE_FILE */
1.1       kristaps   73:        TERMP_UNDER,            /* TTYPE_EMPH */
                     74:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     75:        TERMP_BOLD,             /* TTYPE_CMD */
                     76:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     77:        TERMP_BOLD,             /* TTYPE_SYMB */
                     78:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     79:        TERMP_BOLD,             /* TTYPE_DIAG */
                     80:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     81:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     82:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
1.56      kristaps   83:        TERMP_UNDER,            /* TTYPE_REF_TITLE */
1.1       kristaps   84:        TERMP_BOLD              /* TTYPE_LIST */
                     85: };
                     86:
                     87: struct termpair {
                     88:        struct termpair  *ppair;
1.31      kristaps   89:        int               flag;
                     90:        int               count;
1.1       kristaps   91: };
                     92:
1.31      kristaps   93: #define        DECL_ARGS struct termp *p, \
                     94:                  struct termpair *pair, \
                     95:                  const struct mdoc_meta *meta, \
                     96:                  const struct mdoc_node *node
1.1       kristaps   97:
                     98: struct termact {
                     99:        int     (*pre)(DECL_ARGS);
                    100:        void    (*post)(DECL_ARGS);
                    101: };
                    102:
1.31      kristaps  103: static void      termp____post(DECL_ARGS);
1.61      kristaps  104: static void      termp_an_post(DECL_ARGS);
1.31      kristaps  105: static void      termp_aq_post(DECL_ARGS);
                    106: static void      termp_bd_post(DECL_ARGS);
                    107: static void      termp_bl_post(DECL_ARGS);
                    108: static void      termp_bq_post(DECL_ARGS);
                    109: static void      termp_brq_post(DECL_ARGS);
                    110: static void      termp_bx_post(DECL_ARGS);
                    111: static void      termp_d1_post(DECL_ARGS);
                    112: static void      termp_dq_post(DECL_ARGS);
                    113: static void      termp_fd_post(DECL_ARGS);
                    114: static void      termp_fn_post(DECL_ARGS);
                    115: static void      termp_fo_post(DECL_ARGS);
                    116: static void      termp_ft_post(DECL_ARGS);
                    117: static void      termp_in_post(DECL_ARGS);
                    118: static void      termp_it_post(DECL_ARGS);
                    119: static void      termp_lb_post(DECL_ARGS);
                    120: static void      termp_op_post(DECL_ARGS);
                    121: static void      termp_pf_post(DECL_ARGS);
                    122: static void      termp_pq_post(DECL_ARGS);
                    123: static void      termp_qq_post(DECL_ARGS);
                    124: static void      termp_sh_post(DECL_ARGS);
                    125: static void      termp_sq_post(DECL_ARGS);
                    126: static void      termp_ss_post(DECL_ARGS);
                    127: static void      termp_vt_post(DECL_ARGS);
                    128:
                    129: static int       termp__j_pre(DECL_ARGS);
                    130: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps  131: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  132: static int       termp_ap_pre(DECL_ARGS);
                    133: static int       termp_aq_pre(DECL_ARGS);
                    134: static int       termp_ar_pre(DECL_ARGS);
                    135: static int       termp_bd_pre(DECL_ARGS);
                    136: static int       termp_bf_pre(DECL_ARGS);
                    137: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  138: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  139: static int       termp_brq_pre(DECL_ARGS);
                    140: static int       termp_bt_pre(DECL_ARGS);
                    141: static int       termp_cd_pre(DECL_ARGS);
                    142: static int       termp_cm_pre(DECL_ARGS);
                    143: static int       termp_d1_pre(DECL_ARGS);
                    144: static int       termp_dq_pre(DECL_ARGS);
                    145: static int       termp_em_pre(DECL_ARGS);
                    146: static int       termp_ex_pre(DECL_ARGS);
                    147: static int       termp_fa_pre(DECL_ARGS);
                    148: static int       termp_fd_pre(DECL_ARGS);
                    149: static int       termp_fl_pre(DECL_ARGS);
                    150: static int       termp_fn_pre(DECL_ARGS);
                    151: static int       termp_fo_pre(DECL_ARGS);
                    152: static int       termp_ft_pre(DECL_ARGS);
                    153: static int       termp_ic_pre(DECL_ARGS);
                    154: static int       termp_in_pre(DECL_ARGS);
                    155: static int       termp_it_pre(DECL_ARGS);
                    156: static int       termp_lk_pre(DECL_ARGS);
                    157: static int       termp_ms_pre(DECL_ARGS);
                    158: static int       termp_mt_pre(DECL_ARGS);
                    159: static int       termp_nd_pre(DECL_ARGS);
                    160: static int       termp_nm_pre(DECL_ARGS);
                    161: static int       termp_ns_pre(DECL_ARGS);
                    162: static int       termp_op_pre(DECL_ARGS);
1.57      kristaps  163: static int       termp_pa_pre(DECL_ARGS);
1.31      kristaps  164: static int       termp_pf_pre(DECL_ARGS);
                    165: static int       termp_pp_pre(DECL_ARGS);
                    166: static int       termp_pq_pre(DECL_ARGS);
                    167: static int       termp_qq_pre(DECL_ARGS);
                    168: static int       termp_rs_pre(DECL_ARGS);
                    169: static int       termp_rv_pre(DECL_ARGS);
                    170: static int       termp_sh_pre(DECL_ARGS);
                    171: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  172: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  173: static int       termp_sq_pre(DECL_ARGS);
                    174: static int       termp_ss_pre(DECL_ARGS);
                    175: static int       termp_sx_pre(DECL_ARGS);
                    176: static int       termp_sy_pre(DECL_ARGS);
                    177: static int       termp_ud_pre(DECL_ARGS);
                    178: static int       termp_va_pre(DECL_ARGS);
                    179: static int       termp_vt_pre(DECL_ARGS);
                    180: static int       termp_xr_pre(DECL_ARGS);
                    181: static int       termp_xx_pre(DECL_ARGS);
                    182:
1.1       kristaps  183: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  184:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  185:        { NULL, NULL }, /* Dd */
                    186:        { NULL, NULL }, /* Dt */
                    187:        { NULL, NULL }, /* Os */
                    188:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    189:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    190:        { termp_pp_pre, NULL }, /* Pp */
                    191:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    192:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    193:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    194:        { NULL, NULL }, /* Ed */
                    195:        { NULL, termp_bl_post }, /* Bl */
                    196:        { NULL, NULL }, /* El */
                    197:        { termp_it_pre, termp_it_post }, /* It */
                    198:        { NULL, NULL }, /* Ad */
1.61      kristaps  199:        { termp_an_pre, termp_an_post }, /* An */
1.1       kristaps  200:        { termp_ar_pre, NULL }, /* Ar */
                    201:        { termp_cd_pre, NULL }, /* Cd */
                    202:        { termp_cm_pre, NULL }, /* Cm */
                    203:        { NULL, NULL }, /* Dv */
                    204:        { NULL, NULL }, /* Er */
                    205:        { NULL, NULL }, /* Ev */
                    206:        { termp_ex_pre, NULL }, /* Ex */
                    207:        { termp_fa_pre, NULL }, /* Fa */
                    208:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    209:        { termp_fl_pre, NULL }, /* Fl */
                    210:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    211:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    212:        { termp_ic_pre, NULL }, /* Ic */
                    213:        { termp_in_pre, termp_in_post }, /* In */
                    214:        { NULL, NULL }, /* Li */
                    215:        { termp_nd_pre, NULL }, /* Nd */
                    216:        { termp_nm_pre, NULL }, /* Nm */
                    217:        { termp_op_pre, termp_op_post }, /* Op */
                    218:        { NULL, NULL }, /* Ot */
1.57      kristaps  219:        { termp_pa_pre, NULL }, /* Pa */
1.1       kristaps  220:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  221:        { NULL, NULL }, /* St */
1.1       kristaps  222:        { termp_va_pre, NULL }, /* Va */
                    223:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    224:        { termp_xr_pre, NULL }, /* Xr */
                    225:        { NULL, termp____post }, /* %A */
                    226:        { NULL, termp____post }, /* %B */
                    227:        { NULL, termp____post }, /* %D */
                    228:        { NULL, termp____post }, /* %I */
                    229:        { termp__j_pre, termp____post }, /* %J */
                    230:        { NULL, termp____post }, /* %N */
                    231:        { NULL, termp____post }, /* %O */
                    232:        { NULL, termp____post }, /* %P */
                    233:        { NULL, termp____post }, /* %R */
1.56      kristaps  234:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  235:        { NULL, termp____post }, /* %V */
                    236:        { NULL, NULL }, /* Ac */
                    237:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    238:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  239:        { NULL, NULL }, /* At */
1.1       kristaps  240:        { NULL, NULL }, /* Bc */
                    241:        { termp_bf_pre, NULL }, /* Bf */
                    242:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    243:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  244:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  245:        { NULL, termp_bx_post }, /* Bx */
                    246:        { NULL, NULL }, /* Db */
                    247:        { NULL, NULL }, /* Dc */
                    248:        { termp_dq_pre, termp_dq_post }, /* Do */
                    249:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    250:        { NULL, NULL }, /* Ec */
                    251:        { NULL, NULL }, /* Ef */
                    252:        { termp_em_pre, NULL }, /* Em */
                    253:        { NULL, NULL }, /* Eo */
1.26      kristaps  254:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  255:        { termp_ms_pre, NULL }, /* Ms */
                    256:        { NULL, NULL }, /* No */
                    257:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  258:        { termp_xx_pre, NULL }, /* Nx */
                    259:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  260:        { NULL, NULL }, /* Pc */
                    261:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    262:        { termp_pq_pre, termp_pq_post }, /* Po */
                    263:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    264:        { NULL, NULL }, /* Qc */
                    265:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    266:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    267:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    268:        { NULL, NULL }, /* Re */
                    269:        { termp_rs_pre, NULL }, /* Rs */
                    270:        { NULL, NULL }, /* Sc */
                    271:        { termp_sq_pre, termp_sq_post }, /* So */
                    272:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    273:        { termp_sm_pre, NULL }, /* Sm */
                    274:        { termp_sx_pre, NULL }, /* Sx */
                    275:        { termp_sy_pre, NULL }, /* Sy */
                    276:        { NULL, NULL }, /* Tn */
1.26      kristaps  277:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  278:        { NULL, NULL }, /* Xc */
                    279:        { NULL, NULL }, /* Xo */
                    280:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    281:        { NULL, NULL }, /* Fc */
                    282:        { termp_op_pre, termp_op_post }, /* Oo */
                    283:        { NULL, NULL }, /* Oc */
                    284:        { NULL, NULL }, /* Bk */
                    285:        { NULL, NULL }, /* Ek */
                    286:        { termp_bt_pre, NULL }, /* Bt */
                    287:        { NULL, NULL }, /* Hf */
                    288:        { NULL, NULL }, /* Fr */
                    289:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  290:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  291:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  292:        { termp_lk_pre, NULL }, /* Lk */
                    293:        { termp_mt_pre, NULL }, /* Mt */
                    294:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    295:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    296:        { NULL, NULL }, /* Brc */
                    297:        { NULL, NULL }, /* %C */
                    298:        { NULL, NULL }, /* Es */
                    299:        { NULL, NULL }, /* En */
1.26      kristaps  300:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  301:        { NULL, NULL }, /* %Q */
1.44      kristaps  302:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  303:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  304: };
                    305:
1.2       kristaps  306: #ifdef __linux__
1.9       kristaps  307: extern size_t    strlcpy(char *, const char *, size_t);
                    308: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  309: #endif
                    310:
1.1       kristaps  311: static int       arg_hasattr(int, const struct mdoc_node *);
                    312: static int       arg_getattrs(const int *, int *, size_t,
                    313:                        const struct mdoc_node *);
                    314: static int       arg_getattr(int, const struct mdoc_node *);
                    315: static size_t    arg_offset(const struct mdoc_argv *);
                    316: static size_t    arg_width(const struct mdoc_argv *, int);
                    317: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  318: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  319:                        const struct mdoc_node *,
                    320:                        const struct mdoc_node *);
1.3       kristaps  321: static void      print_node(DECL_ARGS);
                    322: static void      print_head(struct termp *,
1.1       kristaps  323:                        const struct mdoc_meta *);
1.3       kristaps  324: static void      print_body(DECL_ARGS);
                    325: static void      print_foot(struct termp *,
1.1       kristaps  326:                        const struct mdoc_meta *);
                    327:
                    328:
                    329: int
                    330: mdoc_run(struct termp *p, const struct mdoc *m)
                    331: {
1.9       kristaps  332:        /*
                    333:         * Main output function.  When this is called, assume that the
                    334:         * tree is properly formed.
                    335:         */
1.3       kristaps  336:        print_head(p, mdoc_meta(m));
1.14      kristaps  337:        assert(mdoc_node(m));
                    338:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    339:        if (mdoc_node(m)->child)
                    340:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  341:        print_foot(p, mdoc_meta(m));
                    342:        return(1);
1.1       kristaps  343: }
                    344:
                    345:
1.3       kristaps  346: static void
1.1       kristaps  347: print_body(DECL_ARGS)
                    348: {
                    349:
1.3       kristaps  350:        print_node(p, pair, meta, node);
1.1       kristaps  351:        if ( ! node->next)
1.3       kristaps  352:                return;
                    353:        print_body(p, pair, meta, node->next);
1.1       kristaps  354: }
                    355:
                    356:
1.3       kristaps  357: static void
1.1       kristaps  358: print_node(DECL_ARGS)
                    359: {
                    360:        int              dochild;
                    361:        struct termpair  npair;
1.30      kristaps  362:        size_t           offset, rmargin;
1.1       kristaps  363:
                    364:        dochild = 1;
1.29      kristaps  365:        offset = p->offset;
1.30      kristaps  366:        rmargin = p->rmargin;
1.29      kristaps  367:
1.1       kristaps  368:        npair.ppair = pair;
                    369:        npair.flag = 0;
                    370:        npair.count = 0;
                    371:
1.46      kristaps  372:        /*
                    373:         * Note on termpair.  This allows a pre function to set a termp
                    374:         * flag that is automatically unset after the body, but before
                    375:         * the post function.  Thus, if a pre uses a termpair flag, it
                    376:         * must be reapplied in the post for use.
                    377:         */
                    378:
1.1       kristaps  379:        if (MDOC_TEXT != node->type) {
                    380:                if (termacts[node->tok].pre)
                    381:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    382:                                dochild = 0;
                    383:        } else /* MDOC_TEXT == node->type */
                    384:                term_word(p, node->string);
                    385:
                    386:        /* Children. */
                    387:
1.28      kristaps  388:        p->flags |= npair.flag;
1.1       kristaps  389:
                    390:        if (dochild && node->child)
                    391:                print_body(p, &npair, meta, node->child);
                    392:
1.46      kristaps  393:        p->flags &= ~npair.flag;
                    394:
1.1       kristaps  395:        /* Post-processing. */
                    396:
                    397:        if (MDOC_TEXT != node->type)
                    398:                if (termacts[node->tok].post)
                    399:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  400:
                    401:        p->offset = offset;
1.30      kristaps  402:        p->rmargin = rmargin;
1.1       kristaps  403: }
                    404:
                    405:
1.3       kristaps  406: static void
1.1       kristaps  407: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    408: {
                    409:        struct tm       *tm;
                    410:        char            *buf, *os;
                    411:
1.9       kristaps  412:        /*
                    413:         * Output the footer in new-groff style, that is, three columns
                    414:         * with the middle being the manual date and flanking columns
                    415:         * being the operating system:
                    416:         *
                    417:         * SYSTEM                  DATE                    SYSTEM
                    418:         */
                    419:
1.1       kristaps  420:        if (NULL == (buf = malloc(p->rmargin)))
                    421:                err(1, "malloc");
                    422:        if (NULL == (os = malloc(p->rmargin)))
                    423:                err(1, "malloc");
                    424:
                    425:        tm = localtime(&meta->date);
                    426:
1.42      kristaps  427:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  428:                err(1, "strftime");
                    429:
                    430:        (void)strlcpy(os, meta->os, p->rmargin);
                    431:
                    432:        term_vspace(p);
                    433:
1.9       kristaps  434:        p->offset = 0;
                    435:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  436:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    437:
                    438:        term_word(p, os);
                    439:        term_flushln(p);
                    440:
1.9       kristaps  441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  443:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  444:
                    445:        term_word(p, buf);
                    446:        term_flushln(p);
                    447:
1.1       kristaps  448:        p->offset = p->rmargin;
                    449:        p->rmargin = p->maxrmargin;
                    450:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  451:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  452:
1.9       kristaps  453:        term_word(p, os);
1.1       kristaps  454:        term_flushln(p);
                    455:
1.9       kristaps  456:        p->offset = 0;
                    457:        p->rmargin = p->maxrmargin;
                    458:        p->flags = 0;
                    459:
1.1       kristaps  460:        free(buf);
                    461:        free(os);
                    462: }
                    463:
                    464:
1.3       kristaps  465: static void
1.1       kristaps  466: print_head(struct termp *p, const struct mdoc_meta *meta)
                    467: {
                    468:        char            *buf, *title;
                    469:
                    470:        p->rmargin = p->maxrmargin;
                    471:        p->offset = 0;
                    472:
                    473:        if (NULL == (buf = malloc(p->rmargin)))
                    474:                err(1, "malloc");
                    475:        if (NULL == (title = malloc(p->rmargin)))
                    476:                err(1, "malloc");
                    477:
                    478:        /*
                    479:         * The header is strange.  It has three components, which are
                    480:         * really two with the first duplicated.  It goes like this:
                    481:         *
                    482:         * IDENTIFIER              TITLE                   IDENTIFIER
                    483:         *
                    484:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    485:         * (if given, or "unknown" if not) followed by the manual page
                    486:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    487:         * string depending on the manual volume.  If not specified, it
                    488:         * switches on the manual section.
                    489:         */
                    490:
                    491:        assert(meta->vol);
                    492:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    493:
                    494:        if (meta->arch) {
                    495:                (void)strlcat(buf, " (", p->rmargin);
                    496:                (void)strlcat(buf, meta->arch, p->rmargin);
                    497:                (void)strlcat(buf, ")", p->rmargin);
                    498:        }
                    499:
                    500:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    501:                        meta->title, meta->msec);
                    502:
                    503:        p->offset = 0;
1.8       kristaps  504:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  505:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    506:
                    507:        term_word(p, title);
                    508:        term_flushln(p);
                    509:
                    510:        p->offset = p->rmargin;
                    511:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  512:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  513:
                    514:        term_word(p, buf);
                    515:        term_flushln(p);
                    516:
                    517:        p->offset = p->rmargin;
                    518:        p->rmargin = p->maxrmargin;
                    519:        p->flags &= ~TERMP_NOBREAK;
                    520:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    521:
                    522:        term_word(p, title);
                    523:        term_flushln(p);
                    524:
1.9       kristaps  525:        p->offset = 0;
1.1       kristaps  526:        p->rmargin = p->maxrmargin;
                    527:        p->flags &= ~TERMP_NOSPACE;
                    528:
                    529:        free(title);
                    530:        free(buf);
                    531: }
                    532:
                    533:
                    534: static size_t
                    535: arg_width(const struct mdoc_argv *arg, int pos)
                    536: {
                    537:        int              i, len;
1.40      kristaps  538:        const char      *p;
1.1       kristaps  539:
                    540:        assert(pos < (int)arg->sz && pos >= 0);
                    541:        assert(arg->value[pos]);
                    542:
1.40      kristaps  543:        p = arg->value[pos];
                    544:
                    545:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  546:                return(0);
                    547:
                    548:        for (i = 0; i < len - 1; i++)
1.40      kristaps  549:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  550:                        break;
                    551:
1.40      kristaps  552:        if (i == len - 1)
                    553:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    554:                        return((size_t)atoi(p) + 2);
1.1       kristaps  555:
1.40      kristaps  556:        return((size_t)len + 2);
1.1       kristaps  557: }
                    558:
                    559:
                    560: static int
                    561: arg_listtype(const struct mdoc_node *n)
                    562: {
                    563:        int              i, len;
                    564:
                    565:        assert(MDOC_BLOCK == n->type);
                    566:
                    567:        len = (int)(n->args ? n->args->argc : 0);
                    568:
                    569:        for (i = 0; i < len; i++)
                    570:                switch (n->args->argv[i].arg) {
                    571:                case (MDOC_Bullet):
                    572:                        /* FALLTHROUGH */
                    573:                case (MDOC_Dash):
                    574:                        /* FALLTHROUGH */
                    575:                case (MDOC_Enum):
                    576:                        /* FALLTHROUGH */
                    577:                case (MDOC_Hyphen):
                    578:                        /* FALLTHROUGH */
                    579:                case (MDOC_Tag):
                    580:                        /* FALLTHROUGH */
                    581:                case (MDOC_Inset):
                    582:                        /* FALLTHROUGH */
                    583:                case (MDOC_Diag):
                    584:                        /* FALLTHROUGH */
                    585:                case (MDOC_Item):
                    586:                        /* FALLTHROUGH */
                    587:                case (MDOC_Column):
                    588:                        /* FALLTHROUGH */
1.38      kristaps  589:                case (MDOC_Hang):
                    590:                        /* FALLTHROUGH */
1.1       kristaps  591:                case (MDOC_Ohang):
                    592:                        return(n->args->argv[i].arg);
                    593:                default:
                    594:                        break;
                    595:                }
                    596:
1.38      kristaps  597:        return(-1);
1.1       kristaps  598: }
                    599:
                    600:
                    601: static size_t
                    602: arg_offset(const struct mdoc_argv *arg)
                    603: {
1.40      kristaps  604:        int              len, i;
                    605:        const char      *p;
1.1       kristaps  606:
                    607:        assert(*arg->value);
1.40      kristaps  608:        p = *arg->value;
                    609:
                    610:        if (0 == strcmp(p, "left"))
1.19      kristaps  611:                return(0);
1.40      kristaps  612:        if (0 == strcmp(p, "indent"))
1.16      kristaps  613:                return(INDENT + 1);
1.40      kristaps  614:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  615:                return((INDENT + 1) * 2);
1.10      kristaps  616:
1.40      kristaps  617:        if (0 == (len = (int)strlen(p)))
                    618:                return(0);
                    619:
                    620:        for (i = 0; i < len - 1; i++)
                    621:                if ( ! isdigit((u_char)p[i]))
                    622:                        break;
                    623:
                    624:        if (i == len - 1)
                    625:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    626:                        return((size_t)atoi(p));
1.11      kristaps  627:
1.40      kristaps  628:        return((size_t)len);
1.1       kristaps  629: }
                    630:
                    631:
                    632: static int
                    633: arg_hasattr(int arg, const struct mdoc_node *n)
                    634: {
                    635:
                    636:        return(-1 != arg_getattr(arg, n));
                    637: }
                    638:
                    639:
                    640: static int
                    641: arg_getattr(int v, const struct mdoc_node *n)
                    642: {
                    643:        int              val;
                    644:
                    645:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    646: }
                    647:
                    648:
                    649: static int
                    650: arg_getattrs(const int *keys, int *vals,
                    651:                size_t sz, const struct mdoc_node *n)
                    652: {
                    653:        int              i, j, k;
                    654:
                    655:        if (NULL == n->args)
                    656:                return(0);
                    657:
                    658:        for (k = i = 0; i < (int)n->args->argc; i++)
                    659:                for (j = 0; j < (int)sz; j++)
                    660:                        if (n->args->argv[i].arg == keys[j]) {
                    661:                                vals[j] = i;
                    662:                                k++;
                    663:                        }
                    664:        return(k);
                    665: }
                    666:
                    667:
                    668: /* ARGSUSED */
1.54      kristaps  669: static void
1.1       kristaps  670: fmt_block_vspace(struct termp *p,
                    671:                const struct mdoc_node *bl,
                    672:                const struct mdoc_node *node)
                    673: {
                    674:        const struct mdoc_node *n;
                    675:
                    676:        term_newln(p);
                    677:
1.59      kristaps  678:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  679:                return;
1.63      kristaps  680:        assert(node);
1.54      kristaps  681:
                    682:        /*
                    683:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    684:         * then don't vspace.
                    685:         */
1.1       kristaps  686:
                    687:        for (n = node; n; n = n->parent) {
                    688:                if (MDOC_BLOCK != n->type)
                    689:                        continue;
                    690:                if (MDOC_Ss == n->tok)
1.54      kristaps  691:                        return;
1.1       kristaps  692:                if (MDOC_Sh == n->tok)
1.54      kristaps  693:                        return;
1.1       kristaps  694:                if (NULL == n->prev)
                    695:                        continue;
                    696:                break;
                    697:        }
                    698:
1.54      kristaps  699:        /*
1.55      kristaps  700:         * XXX - not documented: a `-column' does not ever assert vspace
                    701:         * within the list.
1.54      kristaps  702:         */
                    703:
1.59      kristaps  704:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  705:                if (node->prev && MDOC_It == node->prev->tok)
                    706:                        return;
                    707:
1.55      kristaps  708:        /*
                    709:         * XXX - not documented: a `-diag' without a body does not
                    710:         * assert a vspace prior to the next element.
                    711:         */
1.59      kristaps  712:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  713:                if (node->prev && MDOC_It == node->prev->tok) {
                    714:                        assert(node->prev->body);
                    715:                        if (NULL == node->prev->body->child)
                    716:                                return;
                    717:                }
                    718:
1.54      kristaps  719:        term_vspace(p);
1.1       kristaps  720: }
                    721:
                    722:
                    723: /* ARGSUSED */
                    724: static int
                    725: termp_dq_pre(DECL_ARGS)
                    726: {
                    727:
                    728:        if (MDOC_BODY != node->type)
                    729:                return(1);
                    730:
                    731:        term_word(p, "\\(lq");
                    732:        p->flags |= TERMP_NOSPACE;
                    733:        return(1);
                    734: }
                    735:
                    736:
                    737: /* ARGSUSED */
                    738: static void
                    739: termp_dq_post(DECL_ARGS)
                    740: {
                    741:
                    742:        if (MDOC_BODY != node->type)
                    743:                return;
                    744:
                    745:        p->flags |= TERMP_NOSPACE;
                    746:        term_word(p, "\\(rq");
                    747: }
                    748:
                    749:
                    750: /* ARGSUSED */
                    751: static int
                    752: termp_it_pre(DECL_ARGS)
                    753: {
                    754:        const struct mdoc_node *bl, *n;
                    755:        char                    buf[7];
1.39      kristaps  756:        int                     i, type, keys[3], vals[3];
1.1       kristaps  757:        size_t                  width, offset;
                    758:
1.54      kristaps  759:        if (MDOC_BLOCK == node->type) {
                    760:                fmt_block_vspace(p, node->parent->parent, node);
                    761:                return(1);
                    762:        }
1.1       kristaps  763:
                    764:        bl = node->parent->parent->parent;
                    765:
                    766:        /* Save parent attributes. */
                    767:
                    768:        pair->flag = p->flags;
                    769:
                    770:        /* Get list width and offset. */
                    771:
                    772:        keys[0] = MDOC_Width;
                    773:        keys[1] = MDOC_Offset;
                    774:        keys[2] = MDOC_Column;
                    775:
                    776:        vals[0] = vals[1] = vals[2] = -1;
                    777:
                    778:        width = offset = 0;
                    779:
                    780:        (void)arg_getattrs(keys, vals, 3, bl);
                    781:
                    782:        type = arg_listtype(bl);
1.38      kristaps  783:        assert(-1 != type);
1.1       kristaps  784:
                    785:        /* Calculate real width and offset. */
                    786:
                    787:        switch (type) {
                    788:        case (MDOC_Column):
                    789:                if (MDOC_BODY == node->type)
                    790:                        break;
1.58      kristaps  791:                /*
                    792:                 * Work around groff's column handling.  The offset is
                    793:                 * equal to the sum of all widths leading to the current
                    794:                 * column (plus the -offset value).  If this column
                    795:                 * exceeds the stated number of columns, the width is
                    796:                 * set as 0, else it's the stated column width (later
                    797:                 * the 0 will be adjusted to default 10 or, if in the
                    798:                 * last column case, set to stretch to the margin).
                    799:                 */
                    800:                for (i = 0, n = node->prev; n && n &&
                    801:                                i < (int)bl->args[vals[2]].argv->sz;
                    802:                                n = n->prev, i++)
1.1       kristaps  803:                        offset += arg_width
                    804:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  805:
                    806:                /* Whether exceeds maximum column. */
                    807:                if (i < (int)bl->args[vals[2]].argv->sz)
                    808:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    809:                else
                    810:                        width = 0;
                    811:
1.1       kristaps  812:                if (vals[1] >= 0)
                    813:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    814:                break;
                    815:        default:
                    816:                if (vals[0] >= 0)
                    817:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    818:                if (vals[1] >= 0)
1.19      kristaps  819:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  820:                break;
                    821:        }
                    822:
                    823:        /*
                    824:         * List-type can override the width in the case of fixed-head
                    825:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.38      kristaps  826:         * offset.  FIXME: double-check that correct.
1.1       kristaps  827:         */
                    828:
                    829:        switch (type) {
                    830:        case (MDOC_Bullet):
                    831:                /* FALLTHROUGH */
                    832:        case (MDOC_Dash):
                    833:                /* FALLTHROUGH */
                    834:        case (MDOC_Hyphen):
                    835:                if (width < 4)
                    836:                        width = 4;
                    837:                break;
1.17      kristaps  838:        case (MDOC_Enum):
                    839:                if (width < 5)
                    840:                        width = 5;
                    841:                break;
1.38      kristaps  842:        case (MDOC_Hang):
1.39      kristaps  843:                if (0 == width)
                    844:                        width = 8;
                    845:                break;
1.49      kristaps  846:        case (MDOC_Column):
                    847:                /* FALLTHROUGH */
1.1       kristaps  848:        case (MDOC_Tag):
                    849:                if (0 == width)
                    850:                        width = 10;
                    851:                break;
                    852:        default:
                    853:                break;
                    854:        }
                    855:
                    856:        /*
1.17      kristaps  857:         * Whitespace control.  Inset bodies need an initial space,
                    858:         * while diagonal bodies need two.
1.1       kristaps  859:         */
                    860:
1.51      kristaps  861:        p->flags |= TERMP_NOSPACE;
                    862:
1.1       kristaps  863:        switch (type) {
1.51      kristaps  864:        case (MDOC_Diag):
1.62      kristaps  865:                if (MDOC_BODY == node->type)
                    866:                        term_word(p, "\\ \\ ");
1.51      kristaps  867:                break;
1.1       kristaps  868:        case (MDOC_Inset):
                    869:                if (MDOC_BODY == node->type)
1.51      kristaps  870:                        term_word(p, "\\ ");
1.1       kristaps  871:                break;
                    872:        default:
                    873:                break;
                    874:        }
                    875:
1.51      kristaps  876:        p->flags |= TERMP_NOSPACE;
                    877:
1.1       kristaps  878:        /*
                    879:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    880:         */
                    881:
                    882:        switch (type) {
                    883:        case (MDOC_Diag):
                    884:                if (MDOC_HEAD == node->type)
                    885:                        p->flags |= ttypes[TTYPE_DIAG];
                    886:                break;
                    887:        default:
                    888:                break;
                    889:        }
                    890:
                    891:        /*
                    892:         * Pad and break control.  This is the tricker part.  Lists with
                    893:         * set right-margins for the head get TERMP_NOBREAK because, if
                    894:         * they overrun the margin, they wrap to the new margin.
                    895:         * Correspondingly, the body for these types don't left-pad, as
                    896:         * the head will pad out to to the right.
                    897:         */
                    898:
                    899:        switch (type) {
                    900:        case (MDOC_Bullet):
                    901:                /* FALLTHROUGH */
                    902:        case (MDOC_Dash):
                    903:                /* FALLTHROUGH */
                    904:        case (MDOC_Enum):
                    905:                /* FALLTHROUGH */
                    906:        case (MDOC_Hyphen):
1.39      kristaps  907:                if (MDOC_HEAD == node->type)
                    908:                        p->flags |= TERMP_NOBREAK;
                    909:                else
                    910:                        p->flags |= TERMP_NOLPAD;
                    911:                break;
1.38      kristaps  912:        case (MDOC_Hang):
1.39      kristaps  913:                if (MDOC_HEAD == node->type)
                    914:                        p->flags |= TERMP_NOBREAK;
                    915:                else
                    916:                        p->flags |= TERMP_NOLPAD;
                    917:
1.59      kristaps  918:                if (MDOC_HEAD != node->type)
                    919:                        break;
                    920:
                    921:                /*
                    922:                 * This is ugly.  If `-hang' is specified and the body
                    923:                 * is a `Bl' or `Bd', then we want basically to nullify
                    924:                 * the "overstep" effect in term_flushln() and treat
                    925:                 * this as a `-ohang' list instead.
                    926:                 */
                    927:                if (node->next->child &&
                    928:                                (MDOC_Bl == node->next->child->tok ||
                    929:                                 MDOC_Bd == node->next->child->tok)) {
                    930:                        p->flags &= ~TERMP_NOBREAK;
                    931:                        p->flags &= ~TERMP_NOLPAD;
                    932:                } else
1.39      kristaps  933:                        p->flags |= TERMP_HANG;
                    934:                break;
1.1       kristaps  935:        case (MDOC_Tag):
                    936:                if (MDOC_HEAD == node->type)
1.51      kristaps  937:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  938:                else
                    939:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  940:
1.39      kristaps  941:                if (MDOC_HEAD != node->type)
                    942:                        break;
                    943:                if (NULL == node->next || NULL == node->next->child)
                    944:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  945:                break;
                    946:        case (MDOC_Column):
                    947:                if (MDOC_HEAD == node->type) {
                    948:                        assert(node->next);
                    949:                        if (MDOC_BODY == node->next->type)
                    950:                                p->flags &= ~TERMP_NOBREAK;
                    951:                        else
                    952:                                p->flags |= TERMP_NOBREAK;
                    953:                        if (node->prev)
                    954:                                p->flags |= TERMP_NOLPAD;
                    955:                }
                    956:                break;
                    957:        case (MDOC_Diag):
                    958:                if (MDOC_HEAD == node->type)
                    959:                        p->flags |= TERMP_NOBREAK;
                    960:                break;
                    961:        default:
                    962:                break;
                    963:        }
                    964:
                    965:        /*
                    966:         * Margin control.  Set-head-width lists have their right
                    967:         * margins shortened.  The body for these lists has the offset
                    968:         * necessarily lengthened.  Everybody gets the offset.
                    969:         */
                    970:
                    971:        p->offset += offset;
                    972:
                    973:        switch (type) {
1.59      kristaps  974:        case (MDOC_Hang):
                    975:                /*
                    976:                 * Same stipulation as above, regarding `-hang'.  We
                    977:                 * don't want to recalculate rmargin and offsets when
                    978:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    979:                 */
                    980:                if (MDOC_HEAD == node->type && node->next->child &&
                    981:                                (MDOC_Bl == node->next->child->tok ||
                    982:                                 MDOC_Bd == node->next->child->tok))
                    983:                        break;
                    984:                /* FALLTHROUGH */
1.1       kristaps  985:        case (MDOC_Bullet):
                    986:                /* FALLTHROUGH */
                    987:        case (MDOC_Dash):
                    988:                /* FALLTHROUGH */
                    989:        case (MDOC_Enum):
                    990:                /* FALLTHROUGH */
                    991:        case (MDOC_Hyphen):
                    992:                /* FALLTHROUGH */
                    993:        case (MDOC_Tag):
1.49      kristaps  994:                assert(width);
1.1       kristaps  995:                if (MDOC_HEAD == node->type)
                    996:                        p->rmargin = p->offset + width;
                    997:                else
                    998:                        p->offset += width;
                    999:                break;
                   1000:        case (MDOC_Column):
1.49      kristaps 1001:                assert(width);
1.1       kristaps 1002:                p->rmargin = p->offset + width;
1.50      kristaps 1003:                /*
                   1004:                 * XXX - this behaviour is not documented: the
                   1005:                 * right-most column is filled to the right margin.
                   1006:                 */
                   1007:                if (MDOC_HEAD == node->type &&
                   1008:                                MDOC_BODY == node->next->type)
                   1009:                        p->rmargin = p->maxrmargin;
1.1       kristaps 1010:                break;
                   1011:        default:
                   1012:                break;
                   1013:        }
                   1014:
                   1015:        /*
                   1016:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps 1017:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps 1018:         */
                   1019:
                   1020:        if (MDOC_HEAD == node->type)
                   1021:                switch (type) {
                   1022:                case (MDOC_Bullet):
1.15      kristaps 1023:                        p->flags |= TERMP_BOLD;
1.1       kristaps 1024:                        term_word(p, "\\[bu]");
1.39      kristaps 1025:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps 1026:                        break;
                   1027:                case (MDOC_Dash):
                   1028:                        /* FALLTHROUGH */
                   1029:                case (MDOC_Hyphen):
1.15      kristaps 1030:                        p->flags |= TERMP_BOLD;
1.27      kristaps 1031:                        term_word(p, "\\(hy");
1.39      kristaps 1032:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps 1033:                        break;
                   1034:                case (MDOC_Enum):
                   1035:                        (pair->ppair->ppair->count)++;
                   1036:                        (void)snprintf(buf, sizeof(buf), "%d.",
                   1037:                                        pair->ppair->ppair->count);
                   1038:                        term_word(p, buf);
                   1039:                        break;
                   1040:                default:
                   1041:                        break;
                   1042:                }
                   1043:
                   1044:        /*
                   1045:         * If we're not going to process our children, indicate so here.
                   1046:         */
                   1047:
                   1048:        switch (type) {
                   1049:        case (MDOC_Bullet):
                   1050:                /* FALLTHROUGH */
                   1051:        case (MDOC_Item):
                   1052:                /* FALLTHROUGH */
                   1053:        case (MDOC_Dash):
                   1054:                /* FALLTHROUGH */
                   1055:        case (MDOC_Hyphen):
                   1056:                /* FALLTHROUGH */
                   1057:        case (MDOC_Enum):
                   1058:                if (MDOC_HEAD == node->type)
                   1059:                        return(0);
                   1060:                break;
                   1061:        case (MDOC_Column):
                   1062:                if (MDOC_BODY == node->type)
                   1063:                        return(0);
                   1064:                break;
                   1065:        default:
                   1066:                break;
                   1067:        }
                   1068:
                   1069:        return(1);
                   1070: }
                   1071:
                   1072:
                   1073: /* ARGSUSED */
                   1074: static void
                   1075: termp_it_post(DECL_ARGS)
                   1076: {
                   1077:        int                type;
                   1078:
                   1079:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1080:                return;
                   1081:
                   1082:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1083:        assert(-1 != type);
1.1       kristaps 1084:
                   1085:        switch (type) {
                   1086:        case (MDOC_Item):
                   1087:                /* FALLTHROUGH */
1.53      kristaps 1088:        case (MDOC_Diag):
                   1089:                /* FALLTHROUGH */
1.1       kristaps 1090:        case (MDOC_Inset):
                   1091:                if (MDOC_BODY == node->type)
                   1092:                        term_flushln(p);
                   1093:                break;
                   1094:        case (MDOC_Column):
                   1095:                if (MDOC_HEAD == node->type)
                   1096:                        term_flushln(p);
                   1097:                break;
                   1098:        default:
                   1099:                term_flushln(p);
                   1100:                break;
                   1101:        }
                   1102:
                   1103:        p->flags = pair->flag;
                   1104: }
                   1105:
                   1106:
                   1107: /* ARGSUSED */
                   1108: static int
                   1109: termp_nm_pre(DECL_ARGS)
                   1110: {
                   1111:
                   1112:        if (SEC_SYNOPSIS == node->sec)
                   1113:                term_newln(p);
                   1114:
1.28      kristaps 1115:        pair->flag |= ttypes[TTYPE_PROG];
                   1116:        p->flags |= ttypes[TTYPE_PROG];
                   1117:
1.1       kristaps 1118:        if (NULL == node->child)
                   1119:                term_word(p, meta->name);
                   1120:
                   1121:        return(1);
                   1122: }
                   1123:
                   1124:
                   1125: /* ARGSUSED */
                   1126: static int
                   1127: termp_fl_pre(DECL_ARGS)
                   1128: {
                   1129:
1.28      kristaps 1130:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1131:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1132:        term_word(p, "\\-");
                   1133:        p->flags |= TERMP_NOSPACE;
                   1134:        return(1);
                   1135: }
                   1136:
                   1137:
                   1138: /* ARGSUSED */
                   1139: static int
1.61      kristaps 1140: termp_an_pre(DECL_ARGS)
                   1141: {
                   1142:
                   1143:        if (NULL == node->child)
                   1144:                return(1);
                   1145:
                   1146:        /*
                   1147:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1148:         * section, `An -split' will cause newlines to occur before the
                   1149:         * author name.  If in the AUTHORS section, by default, the
                   1150:         * first `An' invocation is nosplit, then all subsequent ones,
                   1151:         * regardless of whether interspersed with other macros/text,
                   1152:         * are split.  -split, in this case, will override the condition
                   1153:         * of the implied first -nosplit.
                   1154:         */
                   1155:
                   1156:        if (node->sec == SEC_AUTHORS) {
                   1157:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1158:                        if (TERMP_SPLIT & p->flags)
                   1159:                                term_newln(p);
                   1160:                        return(1);
                   1161:                }
                   1162:                if (TERMP_NOSPLIT & p->flags)
                   1163:                        return(1);
                   1164:                term_newln(p);
                   1165:                return(1);
                   1166:        }
                   1167:
                   1168:        if (TERMP_SPLIT & p->flags)
                   1169:                term_newln(p);
                   1170:
                   1171:        return(1);
                   1172: }
                   1173:
                   1174:
                   1175: /* ARGSUSED */
                   1176: static void
                   1177: termp_an_post(DECL_ARGS)
                   1178: {
                   1179:
                   1180:        if (node->child) {
                   1181:                if (SEC_AUTHORS == node->sec)
                   1182:                        p->flags |= TERMP_ANPREC;
                   1183:                return;
                   1184:        }
                   1185:
                   1186:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1187:                p->flags &= ~TERMP_NOSPLIT;
                   1188:                p->flags |= TERMP_SPLIT;
                   1189:        } else {
                   1190:                p->flags &= ~TERMP_SPLIT;
                   1191:                p->flags |= TERMP_NOSPLIT;
                   1192:        }
                   1193:
                   1194: }
                   1195:
                   1196:
                   1197: /* ARGSUSED */
                   1198: static int
1.1       kristaps 1199: termp_ar_pre(DECL_ARGS)
                   1200: {
                   1201:
1.28      kristaps 1202:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1203:        return(1);
                   1204: }
                   1205:
                   1206:
                   1207: /* ARGSUSED */
                   1208: static int
                   1209: termp_ns_pre(DECL_ARGS)
                   1210: {
                   1211:
                   1212:        p->flags |= TERMP_NOSPACE;
                   1213:        return(1);
                   1214: }
                   1215:
                   1216:
                   1217: /* ARGSUSED */
                   1218: static int
                   1219: termp_pp_pre(DECL_ARGS)
                   1220: {
                   1221:
                   1222:        term_vspace(p);
                   1223:        return(1);
                   1224: }
                   1225:
                   1226:
                   1227: /* ARGSUSED */
                   1228: static int
                   1229: termp_rs_pre(DECL_ARGS)
                   1230: {
                   1231:
                   1232:        if (MDOC_BLOCK == node->type && node->prev)
                   1233:                term_vspace(p);
                   1234:        return(1);
                   1235: }
                   1236:
                   1237:
                   1238: /* ARGSUSED */
                   1239: static int
                   1240: termp_rv_pre(DECL_ARGS)
                   1241: {
                   1242:        int              i;
                   1243:
1.34      kristaps 1244:        i = arg_getattr(MDOC_Std, node);
                   1245:        assert(-1 != i);
                   1246:        assert(node->args->argv[i].sz);
1.1       kristaps 1247:
                   1248:        term_newln(p);
                   1249:        term_word(p, "The");
                   1250:
                   1251:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1252:        term_word(p, *node->args->argv[i].value);
                   1253:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1254:        p->flags |= TERMP_NOSPACE;
                   1255:
                   1256:                term_word(p, "() function returns the value 0 if successful;");
                   1257:                term_word(p, "otherwise the value -1 is returned and the");
                   1258:                term_word(p, "global variable");
                   1259:
                   1260:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1261:        term_word(p, "errno");
                   1262:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1263:
                   1264:                term_word(p, "is set to indicate the error.");
                   1265:
                   1266:        return(1);
                   1267: }
                   1268:
                   1269:
                   1270: /* ARGSUSED */
                   1271: static int
                   1272: termp_ex_pre(DECL_ARGS)
                   1273: {
                   1274:        int              i;
                   1275:
1.34      kristaps 1276:        i = arg_getattr(MDOC_Std, node);
                   1277:        assert(-1 != i);
                   1278:        assert(node->args->argv[i].sz);
1.1       kristaps 1279:
                   1280:        term_word(p, "The");
                   1281:        p->flags |= ttypes[TTYPE_PROG];
                   1282:        term_word(p, *node->args->argv[i].value);
                   1283:        p->flags &= ~ttypes[TTYPE_PROG];
                   1284:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1285:
                   1286:        return(1);
                   1287: }
                   1288:
                   1289:
                   1290: /* ARGSUSED */
                   1291: static int
                   1292: termp_nd_pre(DECL_ARGS)
                   1293: {
1.25      kristaps 1294:
                   1295:        if (MDOC_BODY != node->type)
                   1296:                return(1);
1.30      kristaps 1297:
1.27      kristaps 1298: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1299:        term_word(p, "\\(en");
1.23      kristaps 1300: #else
                   1301:        term_word(p, "\\(em");
                   1302: #endif
1.1       kristaps 1303:        return(1);
                   1304: }
                   1305:
                   1306:
                   1307: /* ARGSUSED */
                   1308: static void
                   1309: termp_bl_post(DECL_ARGS)
                   1310: {
                   1311:
                   1312:        if (MDOC_BLOCK == node->type)
                   1313:                term_newln(p);
                   1314: }
                   1315:
                   1316:
                   1317: /* ARGSUSED */
                   1318: static void
                   1319: termp_op_post(DECL_ARGS)
                   1320: {
                   1321:
                   1322:        if (MDOC_BODY != node->type)
                   1323:                return;
                   1324:        p->flags |= TERMP_NOSPACE;
                   1325:        term_word(p, "\\(rB");
                   1326: }
                   1327:
                   1328:
                   1329: /* ARGSUSED */
                   1330: static int
                   1331: termp_xr_pre(DECL_ARGS)
                   1332: {
                   1333:        const struct mdoc_node *n;
                   1334:
1.11      kristaps 1335:        assert(node->child && MDOC_TEXT == node->child->type);
                   1336:        n = node->child;
                   1337:
1.1       kristaps 1338:        term_word(p, n->string);
                   1339:        if (NULL == (n = n->next))
                   1340:                return(0);
                   1341:        p->flags |= TERMP_NOSPACE;
                   1342:        term_word(p, "(");
                   1343:        p->flags |= TERMP_NOSPACE;
                   1344:        term_word(p, n->string);
                   1345:        p->flags |= TERMP_NOSPACE;
                   1346:        term_word(p, ")");
                   1347:        return(0);
                   1348: }
                   1349:
                   1350:
                   1351: /* ARGSUSED */
                   1352: static int
                   1353: termp_vt_pre(DECL_ARGS)
                   1354: {
                   1355:
                   1356:        /* FIXME: this can be "type name". */
1.29      kristaps 1357:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1358:        return(1);
                   1359: }
                   1360:
                   1361:
                   1362: /* ARGSUSED */
                   1363: static void
                   1364: termp_vt_post(DECL_ARGS)
                   1365: {
                   1366:
1.32      kristaps 1367:        if (node->sec != SEC_SYNOPSIS)
                   1368:                return;
                   1369:        if (node->next && MDOC_Vt == node->next->tok)
                   1370:                term_newln(p);
                   1371:        else if (node->next)
1.1       kristaps 1372:                term_vspace(p);
                   1373: }
                   1374:
                   1375:
                   1376: /* ARGSUSED */
                   1377: static int
                   1378: termp_fd_pre(DECL_ARGS)
                   1379: {
                   1380:
1.29      kristaps 1381:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1382:        return(1);
                   1383: }
                   1384:
                   1385:
                   1386: /* ARGSUSED */
                   1387: static void
                   1388: termp_fd_post(DECL_ARGS)
                   1389: {
                   1390:
                   1391:        if (node->sec != SEC_SYNOPSIS)
                   1392:                return;
1.29      kristaps 1393:
1.1       kristaps 1394:        term_newln(p);
                   1395:        if (node->next && MDOC_Fd != node->next->tok)
                   1396:                term_vspace(p);
                   1397: }
                   1398:
                   1399:
                   1400: /* ARGSUSED */
                   1401: static int
                   1402: termp_sh_pre(DECL_ARGS)
                   1403: {
1.64      kristaps 1404:        /*
1.65      kristaps 1405:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1406:         * vspace between calls, only a newline.
1.64      kristaps 1407:         */
1.1       kristaps 1408:        switch (node->type) {
1.65      kristaps 1409:        case (MDOC_BLOCK):
                   1410:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1411:                        if (NULL == node->prev->body->child)
                   1412:                                break;
                   1413:                term_vspace(p);
                   1414:                break;
1.1       kristaps 1415:        case (MDOC_HEAD):
1.28      kristaps 1416:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1417:                break;
                   1418:        case (MDOC_BODY):
                   1419:                p->offset = INDENT;
                   1420:                break;
                   1421:        default:
                   1422:                break;
                   1423:        }
                   1424:        return(1);
                   1425: }
                   1426:
                   1427:
                   1428: /* ARGSUSED */
                   1429: static void
                   1430: termp_sh_post(DECL_ARGS)
                   1431: {
                   1432:
                   1433:        switch (node->type) {
                   1434:        case (MDOC_HEAD):
                   1435:                term_newln(p);
                   1436:                break;
                   1437:        case (MDOC_BODY):
                   1438:                term_newln(p);
                   1439:                p->offset = 0;
                   1440:                break;
                   1441:        default:
                   1442:                break;
                   1443:        }
                   1444: }
                   1445:
                   1446:
                   1447: /* ARGSUSED */
                   1448: static int
                   1449: termp_op_pre(DECL_ARGS)
                   1450: {
                   1451:
                   1452:        switch (node->type) {
                   1453:        case (MDOC_BODY):
                   1454:                term_word(p, "\\(lB");
                   1455:                p->flags |= TERMP_NOSPACE;
                   1456:                break;
                   1457:        default:
                   1458:                break;
                   1459:        }
                   1460:        return(1);
                   1461: }
                   1462:
                   1463:
                   1464: /* ARGSUSED */
                   1465: static int
                   1466: termp_bt_pre(DECL_ARGS)
                   1467: {
                   1468:
                   1469:        term_word(p, "is currently in beta test.");
                   1470:        return(1);
                   1471: }
                   1472:
                   1473:
                   1474: /* ARGSUSED */
                   1475: static void
                   1476: termp_lb_post(DECL_ARGS)
                   1477: {
                   1478:
                   1479:        term_newln(p);
                   1480: }
                   1481:
                   1482:
                   1483: /* ARGSUSED */
                   1484: static int
                   1485: termp_ud_pre(DECL_ARGS)
                   1486: {
                   1487:
                   1488:        term_word(p, "currently under development.");
                   1489:        return(1);
                   1490: }
                   1491:
                   1492:
                   1493: /* ARGSUSED */
                   1494: static int
                   1495: termp_d1_pre(DECL_ARGS)
                   1496: {
                   1497:
1.4       kristaps 1498:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1499:                return(1);
                   1500:        term_newln(p);
1.29      kristaps 1501:        p->offset += (INDENT + 1);
1.1       kristaps 1502:        return(1);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static void
                   1508: termp_d1_post(DECL_ARGS)
                   1509: {
                   1510:
1.4       kristaps 1511:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1512:                return;
                   1513:        term_newln(p);
                   1514: }
                   1515:
                   1516:
                   1517: /* ARGSUSED */
                   1518: static int
                   1519: termp_aq_pre(DECL_ARGS)
                   1520: {
                   1521:
                   1522:        if (MDOC_BODY != node->type)
                   1523:                return(1);
                   1524:        term_word(p, "\\(la");
                   1525:        p->flags |= TERMP_NOSPACE;
                   1526:        return(1);
                   1527: }
                   1528:
                   1529:
                   1530: /* ARGSUSED */
                   1531: static void
                   1532: termp_aq_post(DECL_ARGS)
                   1533: {
                   1534:
                   1535:        if (MDOC_BODY != node->type)
                   1536:                return;
                   1537:        p->flags |= TERMP_NOSPACE;
                   1538:        term_word(p, "\\(ra");
                   1539: }
                   1540:
                   1541:
                   1542: /* ARGSUSED */
                   1543: static int
                   1544: termp_ft_pre(DECL_ARGS)
                   1545: {
                   1546:
                   1547:        if (SEC_SYNOPSIS == node->sec)
                   1548:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1549:                        term_vspace(p);
1.28      kristaps 1550:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1551:        return(1);
                   1552: }
                   1553:
                   1554:
                   1555: /* ARGSUSED */
                   1556: static void
                   1557: termp_ft_post(DECL_ARGS)
                   1558: {
                   1559:
                   1560:        if (SEC_SYNOPSIS == node->sec)
                   1561:                term_newln(p);
                   1562: }
                   1563:
                   1564:
                   1565: /* ARGSUSED */
                   1566: static int
                   1567: termp_fn_pre(DECL_ARGS)
                   1568: {
                   1569:        const struct mdoc_node *n;
                   1570:
1.11      kristaps 1571:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1572:
                   1573:        /* FIXME: can be "type funcname" "type varname"... */
                   1574:
                   1575:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1576:        term_word(p, node->child->string);
                   1577:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1578:
                   1579:        p->flags |= TERMP_NOSPACE;
                   1580:        term_word(p, "(");
                   1581:
                   1582:        for (n = node->child->next; n; n = n->next) {
                   1583:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1584:                term_word(p, n->string);
                   1585:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1586:                if (n->next)
                   1587:                        term_word(p, ",");
                   1588:        }
                   1589:
                   1590:        term_word(p, ")");
                   1591:
                   1592:        if (SEC_SYNOPSIS == node->sec)
                   1593:                term_word(p, ";");
                   1594:
                   1595:        return(0);
                   1596: }
                   1597:
                   1598:
                   1599: /* ARGSUSED */
                   1600: static void
                   1601: termp_fn_post(DECL_ARGS)
                   1602: {
                   1603:
                   1604:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1605:                term_vspace(p);
                   1606: }
                   1607:
                   1608:
                   1609: /* ARGSUSED */
                   1610: static int
                   1611: termp_sx_pre(DECL_ARGS)
                   1612: {
                   1613:
1.28      kristaps 1614:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1615:        return(1);
                   1616: }
                   1617:
                   1618:
                   1619: /* ARGSUSED */
                   1620: static int
                   1621: termp_fa_pre(DECL_ARGS)
                   1622: {
                   1623:        struct mdoc_node *n;
                   1624:
                   1625:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1626:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1627:                return(1);
                   1628:        }
                   1629:
                   1630:        for (n = node->child; n; n = n->next) {
                   1631:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1632:                term_word(p, n->string);
                   1633:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1634:                if (n->next)
                   1635:                        term_word(p, ",");
                   1636:        }
                   1637:
                   1638:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1639:                term_word(p, ",");
                   1640:
                   1641:        return(0);
                   1642: }
                   1643:
                   1644:
                   1645: /* ARGSUSED */
                   1646: static int
                   1647: termp_va_pre(DECL_ARGS)
                   1648: {
                   1649:
1.28      kristaps 1650:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1651:        return(1);
                   1652: }
                   1653:
                   1654:
                   1655: /* ARGSUSED */
                   1656: static int
                   1657: termp_bd_pre(DECL_ARGS)
                   1658: {
1.60      kristaps 1659:        int              i, type;
1.1       kristaps 1660:
                   1661:        /*
                   1662:         * This is fairly tricky due primarily to crappy documentation.
                   1663:         * If -ragged or -filled are specified, the block does nothing
                   1664:         * but change the indentation.
                   1665:         *
                   1666:         * If, on the other hand, -unfilled or -literal are specified,
                   1667:         * then the game changes.  Text is printed exactly as entered in
                   1668:         * the display: if a macro line, a newline is appended to the
                   1669:         * line.  Blank lines are allowed.
                   1670:         */
                   1671:
1.54      kristaps 1672:        if (MDOC_BLOCK == node->type) {
                   1673:                fmt_block_vspace(p, node, node);
                   1674:                return(1);
                   1675:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1676:                return(1);
                   1677:
1.60      kristaps 1678:        assert(node->parent->args);
1.11      kristaps 1679:
1.60      kristaps 1680:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1681:                        i < (int)node->parent->args->argc; i++) {
                   1682:                switch (node->parent->args->argv[i].arg) {
                   1683:                case (MDOC_Ragged):
                   1684:                        /* FALLTHROUGH */
                   1685:                case (MDOC_Filled):
                   1686:                        /* FALLTHROUGH */
                   1687:                case (MDOC_Unfilled):
                   1688:                        /* FALLTHROUGH */
                   1689:                case (MDOC_Literal):
                   1690:                        type = node->parent->args->argv[i].arg;
                   1691:                        break;
                   1692:                default:
                   1693:                        break;
                   1694:                }
                   1695:        }
1.60      kristaps 1696:
                   1697:        assert(type > -1);
1.1       kristaps 1698:
                   1699:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1700:        if (-1 != i)
1.1       kristaps 1701:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1702:
                   1703:        switch (type) {
                   1704:        case (MDOC_Literal):
                   1705:                /* FALLTHROUGH */
                   1706:        case (MDOC_Unfilled):
                   1707:                break;
                   1708:        default:
                   1709:                return(1);
                   1710:        }
                   1711:
                   1712:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1713:                p->flags |= TERMP_NOSPACE;
                   1714:                print_node(p, pair, meta, node);
                   1715:                if (node->next)
1.1       kristaps 1716:                        term_flushln(p);
                   1717:        }
                   1718:
                   1719:        return(0);
                   1720: }
                   1721:
                   1722:
                   1723: /* ARGSUSED */
                   1724: static void
                   1725: termp_bd_post(DECL_ARGS)
                   1726: {
                   1727:
                   1728:        if (MDOC_BODY != node->type)
                   1729:                return;
1.60      kristaps 1730:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1731:        term_flushln(p);
                   1732: }
                   1733:
                   1734:
                   1735: /* ARGSUSED */
                   1736: static int
                   1737: termp_qq_pre(DECL_ARGS)
                   1738: {
                   1739:
                   1740:        if (MDOC_BODY != node->type)
                   1741:                return(1);
                   1742:        term_word(p, "\"");
                   1743:        p->flags |= TERMP_NOSPACE;
                   1744:        return(1);
                   1745: }
                   1746:
                   1747:
                   1748: /* ARGSUSED */
                   1749: static void
                   1750: termp_qq_post(DECL_ARGS)
                   1751: {
                   1752:
                   1753:        if (MDOC_BODY != node->type)
                   1754:                return;
                   1755:        p->flags |= TERMP_NOSPACE;
                   1756:        term_word(p, "\"");
                   1757: }
                   1758:
                   1759:
                   1760: /* ARGSUSED */
                   1761: static void
                   1762: termp_bx_post(DECL_ARGS)
                   1763: {
                   1764:
                   1765:        if (node->child)
                   1766:                p->flags |= TERMP_NOSPACE;
                   1767:        term_word(p, "BSD");
                   1768: }
                   1769:
                   1770:
                   1771: /* ARGSUSED */
                   1772: static int
1.26      kristaps 1773: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1774: {
1.26      kristaps 1775:        const char      *pp;
1.1       kristaps 1776:
1.26      kristaps 1777:        pp = NULL;
                   1778:        switch (node->tok) {
                   1779:        case (MDOC_Bsx):
                   1780:                pp = "BSDI BSD/OS";
                   1781:                break;
                   1782:        case (MDOC_Dx):
                   1783:                pp = "DragonFlyBSD";
                   1784:                break;
                   1785:        case (MDOC_Fx):
                   1786:                pp = "FreeBSD";
                   1787:                break;
                   1788:        case (MDOC_Nx):
                   1789:                pp = "NetBSD";
                   1790:                break;
                   1791:        case (MDOC_Ox):
                   1792:                pp = "OpenBSD";
                   1793:                break;
                   1794:        case (MDOC_Ux):
                   1795:                pp = "UNIX";
                   1796:                break;
                   1797:        default:
                   1798:                break;
                   1799:        }
1.1       kristaps 1800:
1.26      kristaps 1801:        assert(pp);
                   1802:        term_word(p, pp);
1.1       kristaps 1803:        return(1);
                   1804: }
                   1805:
                   1806:
                   1807: /* ARGSUSED */
                   1808: static int
                   1809: termp_sq_pre(DECL_ARGS)
                   1810: {
                   1811:
                   1812:        if (MDOC_BODY != node->type)
                   1813:                return(1);
                   1814:        term_word(p, "\\(oq");
                   1815:        p->flags |= TERMP_NOSPACE;
                   1816:        return(1);
                   1817: }
                   1818:
                   1819:
                   1820: /* ARGSUSED */
                   1821: static void
                   1822: termp_sq_post(DECL_ARGS)
                   1823: {
                   1824:
                   1825:        if (MDOC_BODY != node->type)
                   1826:                return;
                   1827:        p->flags |= TERMP_NOSPACE;
                   1828:        term_word(p, "\\(aq");
                   1829: }
                   1830:
                   1831:
                   1832: /* ARGSUSED */
                   1833: static int
1.57      kristaps 1834: termp_pa_pre(DECL_ARGS)
                   1835: {
                   1836:
                   1837:        pair->flag |= ttypes[TTYPE_FILE];
                   1838:        return(1);
                   1839: }
                   1840:
                   1841:
                   1842: /* ARGSUSED */
                   1843: static int
1.1       kristaps 1844: termp_pf_pre(DECL_ARGS)
                   1845: {
                   1846:
                   1847:        p->flags |= TERMP_IGNDELIM;
                   1848:        return(1);
                   1849: }
                   1850:
                   1851:
                   1852: /* ARGSUSED */
                   1853: static void
                   1854: termp_pf_post(DECL_ARGS)
                   1855: {
                   1856:
                   1857:        p->flags &= ~TERMP_IGNDELIM;
                   1858:        p->flags |= TERMP_NOSPACE;
                   1859: }
                   1860:
                   1861:
                   1862: /* ARGSUSED */
                   1863: static int
                   1864: termp_ss_pre(DECL_ARGS)
                   1865: {
                   1866:
                   1867:        switch (node->type) {
                   1868:        case (MDOC_BLOCK):
                   1869:                term_newln(p);
                   1870:                if (node->prev)
                   1871:                        term_vspace(p);
                   1872:                break;
                   1873:        case (MDOC_HEAD):
1.28      kristaps 1874:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1875:                p->offset = HALFINDENT;
1.1       kristaps 1876:                break;
                   1877:        default:
                   1878:                break;
                   1879:        }
                   1880:
                   1881:        return(1);
                   1882: }
                   1883:
                   1884:
                   1885: /* ARGSUSED */
                   1886: static void
                   1887: termp_ss_post(DECL_ARGS)
                   1888: {
                   1889:
1.29      kristaps 1890:        if (MDOC_HEAD == node->type)
1.1       kristaps 1891:                term_newln(p);
                   1892: }
                   1893:
                   1894:
                   1895: /* ARGSUSED */
                   1896: static int
                   1897: termp_em_pre(DECL_ARGS)
                   1898: {
                   1899:
1.28      kristaps 1900:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1901:        return(1);
                   1902: }
                   1903:
                   1904:
                   1905: /* ARGSUSED */
                   1906: static int
                   1907: termp_cd_pre(DECL_ARGS)
                   1908: {
                   1909:
1.28      kristaps 1910:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1911:        term_newln(p);
                   1912:        return(1);
                   1913: }
                   1914:
                   1915:
                   1916: /* ARGSUSED */
                   1917: static int
                   1918: termp_cm_pre(DECL_ARGS)
                   1919: {
                   1920:
1.28      kristaps 1921:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1922:        return(1);
                   1923: }
                   1924:
                   1925:
                   1926: /* ARGSUSED */
                   1927: static int
                   1928: termp_ic_pre(DECL_ARGS)
                   1929: {
                   1930:
1.28      kristaps 1931:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1932:        return(1);
                   1933: }
                   1934:
                   1935:
                   1936: /* ARGSUSED */
                   1937: static int
                   1938: termp_in_pre(DECL_ARGS)
                   1939: {
                   1940:
1.28      kristaps 1941:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1942:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1943:
                   1944:        if (SEC_SYNOPSIS == node->sec)
                   1945:                term_word(p, "#include");
                   1946:
1.1       kristaps 1947:        term_word(p, "<");
                   1948:        p->flags |= TERMP_NOSPACE;
                   1949:        return(1);
                   1950: }
                   1951:
                   1952:
                   1953: /* ARGSUSED */
                   1954: static void
                   1955: termp_in_post(DECL_ARGS)
                   1956: {
                   1957:
1.46      kristaps 1958:        p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
1.1       kristaps 1959:        term_word(p, ">");
1.46      kristaps 1960:        p->flags &= ~ttypes[TTYPE_INCLUDE];
1.1       kristaps 1961:
                   1962:        if (SEC_SYNOPSIS != node->sec)
                   1963:                return;
1.22      kristaps 1964:
                   1965:        term_newln(p);
                   1966:        /*
                   1967:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1968:         * the SYNOPSIS section, then it produces a single break after
                   1969:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1970:         * construction is rarely used, I think it's fine.
                   1971:         */
1.1       kristaps 1972:        if (node->next && MDOC_In != node->next->tok)
                   1973:                term_vspace(p);
                   1974: }
                   1975:
                   1976:
                   1977: /* ARGSUSED */
                   1978: static int
1.45      kristaps 1979: termp_sp_pre(DECL_ARGS)
                   1980: {
                   1981:        int              i, len;
                   1982:
                   1983:        if (NULL == node->child) {
                   1984:                term_vspace(p);
                   1985:                return(0);
                   1986:        }
                   1987:
                   1988:        len = atoi(node->child->string);
                   1989:        if (0 == len)
                   1990:                term_newln(p);
                   1991:        for (i = 0; i < len; i++)
                   1992:                term_vspace(p);
                   1993:
                   1994:        return(0);
                   1995: }
                   1996:
                   1997:
                   1998: /* ARGSUSED */
                   1999: static int
1.44      kristaps 2000: termp_br_pre(DECL_ARGS)
                   2001: {
                   2002:
                   2003:        term_newln(p);
                   2004:        return(1);
                   2005: }
                   2006:
                   2007:
                   2008: /* ARGSUSED */
                   2009: static int
1.1       kristaps 2010: termp_brq_pre(DECL_ARGS)
                   2011: {
                   2012:
                   2013:        if (MDOC_BODY != node->type)
                   2014:                return(1);
                   2015:        term_word(p, "\\(lC");
                   2016:        p->flags |= TERMP_NOSPACE;
                   2017:        return(1);
                   2018: }
                   2019:
                   2020:
                   2021: /* ARGSUSED */
                   2022: static void
                   2023: termp_brq_post(DECL_ARGS)
                   2024: {
                   2025:
                   2026:        if (MDOC_BODY != node->type)
                   2027:                return;
                   2028:        p->flags |= TERMP_NOSPACE;
                   2029:        term_word(p, "\\(rC");
                   2030: }
                   2031:
                   2032:
                   2033: /* ARGSUSED */
                   2034: static int
                   2035: termp_bq_pre(DECL_ARGS)
                   2036: {
                   2037:
                   2038:        if (MDOC_BODY != node->type)
                   2039:                return(1);
                   2040:        term_word(p, "\\(lB");
                   2041:        p->flags |= TERMP_NOSPACE;
                   2042:        return(1);
                   2043: }
                   2044:
                   2045:
                   2046: /* ARGSUSED */
                   2047: static void
                   2048: termp_bq_post(DECL_ARGS)
                   2049: {
                   2050:
                   2051:        if (MDOC_BODY != node->type)
                   2052:                return;
                   2053:        p->flags |= TERMP_NOSPACE;
                   2054:        term_word(p, "\\(rB");
                   2055: }
                   2056:
                   2057:
                   2058: /* ARGSUSED */
                   2059: static int
                   2060: termp_pq_pre(DECL_ARGS)
                   2061: {
                   2062:
                   2063:        if (MDOC_BODY != node->type)
                   2064:                return(1);
                   2065:        term_word(p, "\\&(");
                   2066:        p->flags |= TERMP_NOSPACE;
                   2067:        return(1);
                   2068: }
                   2069:
                   2070:
                   2071: /* ARGSUSED */
                   2072: static void
                   2073: termp_pq_post(DECL_ARGS)
                   2074: {
                   2075:
                   2076:        if (MDOC_BODY != node->type)
                   2077:                return;
                   2078:        term_word(p, ")");
                   2079: }
                   2080:
                   2081:
                   2082: /* ARGSUSED */
                   2083: static int
                   2084: termp_fo_pre(DECL_ARGS)
                   2085: {
                   2086:        const struct mdoc_node *n;
                   2087:
                   2088:        if (MDOC_BODY == node->type) {
1.33      kristaps 2089:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2090:                term_word(p, "(");
                   2091:                p->flags |= TERMP_NOSPACE;
                   2092:                return(1);
                   2093:        } else if (MDOC_HEAD != node->type)
                   2094:                return(1);
                   2095:
                   2096:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   2097:        for (n = node->child; n; n = n->next) {
1.11      kristaps 2098:                assert(MDOC_TEXT == n->type);
1.1       kristaps 2099:                term_word(p, n->string);
                   2100:        }
                   2101:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   2102:
                   2103:        return(0);
                   2104: }
                   2105:
                   2106:
                   2107: /* ARGSUSED */
                   2108: static void
                   2109: termp_fo_post(DECL_ARGS)
                   2110: {
                   2111:
                   2112:        if (MDOC_BODY != node->type)
                   2113:                return;
                   2114:        p->flags |= TERMP_NOSPACE;
                   2115:        term_word(p, ")");
                   2116:        p->flags |= TERMP_NOSPACE;
                   2117:        term_word(p, ";");
                   2118:        term_newln(p);
                   2119: }
                   2120:
                   2121:
                   2122: /* ARGSUSED */
                   2123: static int
                   2124: termp_bf_pre(DECL_ARGS)
                   2125: {
                   2126:        const struct mdoc_node  *n;
                   2127:
1.28      kristaps 2128:        if (MDOC_HEAD == node->type)
1.1       kristaps 2129:                return(0);
1.28      kristaps 2130:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2131:                return(1);
                   2132:
                   2133:        if (NULL == (n = node->head->child)) {
                   2134:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 2135:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2136:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 2137:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2138:
                   2139:                return(1);
                   2140:        }
                   2141:
1.11      kristaps 2142:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2143:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2144:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2145:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2146:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2147:
                   2148:        return(1);
                   2149: }
                   2150:
                   2151:
                   2152: /* ARGSUSED */
                   2153: static int
                   2154: termp_sy_pre(DECL_ARGS)
                   2155: {
                   2156:
1.28      kristaps 2157:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2158:        return(1);
                   2159: }
                   2160:
                   2161:
                   2162: /* ARGSUSED */
                   2163: static int
                   2164: termp_ms_pre(DECL_ARGS)
                   2165: {
                   2166:
1.28      kristaps 2167:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2168:        return(1);
                   2169: }
                   2170:
                   2171:
                   2172:
                   2173: /* ARGSUSED */
                   2174: static int
                   2175: termp_sm_pre(DECL_ARGS)
                   2176: {
                   2177:
1.11      kristaps 2178:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2179:        if (0 == strcmp("on", node->child->string)) {
                   2180:                p->flags &= ~TERMP_NONOSPACE;
                   2181:                p->flags &= ~TERMP_NOSPACE;
                   2182:        } else
                   2183:                p->flags |= TERMP_NONOSPACE;
                   2184:
                   2185:        return(0);
                   2186: }
                   2187:
                   2188:
                   2189: /* ARGSUSED */
                   2190: static int
                   2191: termp_ap_pre(DECL_ARGS)
                   2192: {
                   2193:
                   2194:        p->flags |= TERMP_NOSPACE;
                   2195:        term_word(p, "\\(aq");
                   2196:        p->flags |= TERMP_NOSPACE;
                   2197:        return(1);
                   2198: }
                   2199:
                   2200:
                   2201: /* ARGSUSED */
                   2202: static int
                   2203: termp__j_pre(DECL_ARGS)
                   2204: {
                   2205:
1.28      kristaps 2206:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2207:        return(1);
                   2208: }
                   2209:
                   2210:
                   2211: /* ARGSUSED */
                   2212: static int
                   2213: termp__t_pre(DECL_ARGS)
                   2214: {
                   2215:
1.56      kristaps 2216:        pair->flag |= ttypes[TTYPE_REF_TITLE];
1.1       kristaps 2217:        return(1);
                   2218: }
                   2219:
                   2220:
                   2221: /* ARGSUSED */
                   2222: static void
                   2223: termp____post(DECL_ARGS)
                   2224: {
                   2225:
                   2226:        p->flags |= TERMP_NOSPACE;
                   2227:        term_word(p, node->next ? "," : ".");
                   2228: }
                   2229:
                   2230:
                   2231: /* ARGSUSED */
                   2232: static int
                   2233: termp_lk_pre(DECL_ARGS)
                   2234: {
                   2235:        const struct mdoc_node *n;
                   2236:
1.11      kristaps 2237:        assert(node->child);
                   2238:        n = node->child;
1.1       kristaps 2239:
1.12      kristaps 2240:        if (NULL == n->next) {
1.28      kristaps 2241:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2242:                return(1);
                   2243:        }
                   2244:
1.1       kristaps 2245:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2246:        term_word(p, n->string);
                   2247:        p->flags |= TERMP_NOSPACE;
                   2248:        term_word(p, ":");
1.12      kristaps 2249:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2250:
                   2251:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2252:        for (n = n->next; n; n = n->next)
1.1       kristaps 2253:                term_word(p, n->string);
1.12      kristaps 2254:
1.1       kristaps 2255:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2256:        return(0);
                   2257: }
                   2258:
                   2259:
                   2260: /* ARGSUSED */
                   2261: static int
                   2262: termp_mt_pre(DECL_ARGS)
                   2263: {
                   2264:
1.28      kristaps 2265:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2266:        return(1);
                   2267: }
                   2268:
                   2269:

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