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Annotation of mandoc/mdoc_term.c, Revision 1.46

1.46    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.45 2009/07/17 12:40:48 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
                     29: /* FIXME: macro arguments can be escaped. */
                     30: /* FIXME: support more offset/width tokens. */
                     31:
                     32: #define        TTYPE_PROG        0
                     33: #define        TTYPE_CMD_FLAG    1
                     34: #define        TTYPE_CMD_ARG     2
                     35: #define        TTYPE_SECTION     3
                     36: #define        TTYPE_FUNC_DECL   4
                     37: #define        TTYPE_VAR_DECL    5
                     38: #define        TTYPE_FUNC_TYPE   6
                     39: #define        TTYPE_FUNC_NAME   7
                     40: #define        TTYPE_FUNC_ARG    8
                     41: #define        TTYPE_LINK        9
                     42: #define        TTYPE_SSECTION    10
                     43: #define        TTYPE_FILE        11
                     44: #define        TTYPE_EMPH        12
                     45: #define        TTYPE_CONFIG      13
                     46: #define        TTYPE_CMD         14
                     47: #define        TTYPE_INCLUDE     15
                     48: #define        TTYPE_SYMB        16
                     49: #define        TTYPE_SYMBOL      17
                     50: #define        TTYPE_DIAG        18
                     51: #define        TTYPE_LINK_ANCHOR 19
                     52: #define        TTYPE_LINK_TEXT   20
                     53: #define        TTYPE_REF_JOURNAL 21
                     54: #define        TTYPE_LIST        22
                     55: #define        TTYPE_NMAX        23
                     56:
                     57: const  int ttypes[TTYPE_NMAX] = {
                     58:        TERMP_BOLD,             /* TTYPE_PROG */
                     59:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     60:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     61:        TERMP_BOLD,             /* TTYPE_SECTION */
                     62:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     63:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     64:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     65:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     66:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     67:        TERMP_UNDER,            /* TTYPE_LINK */
                     68:        TERMP_BOLD,             /* TTYPE_SSECTION */
                     69:        TERMP_UNDER,            /* TTYPE_FILE */
                     70:        TERMP_UNDER,            /* TTYPE_EMPH */
                     71:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     72:        TERMP_BOLD,             /* TTYPE_CMD */
                     73:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     74:        TERMP_BOLD,             /* TTYPE_SYMB */
                     75:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     76:        TERMP_BOLD,             /* TTYPE_DIAG */
                     77:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     78:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     79:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
                     80:        TERMP_BOLD              /* TTYPE_LIST */
                     81: };
                     82:
                     83: struct termpair {
                     84:        struct termpair  *ppair;
1.31      kristaps   85:        int               flag;
                     86:        int               count;
1.1       kristaps   87: };
                     88:
1.31      kristaps   89: #define        DECL_ARGS struct termp *p, \
                     90:                  struct termpair *pair, \
                     91:                  const struct mdoc_meta *meta, \
                     92:                  const struct mdoc_node *node
1.1       kristaps   93:
                     94: struct termact {
                     95:        int     (*pre)(DECL_ARGS);
                     96:        void    (*post)(DECL_ARGS);
                     97: };
                     98:
1.31      kristaps   99: static void      termp____post(DECL_ARGS);
                    100: static void      termp__t_post(DECL_ARGS);
                    101: static void      termp_aq_post(DECL_ARGS);
                    102: static void      termp_bd_post(DECL_ARGS);
                    103: static void      termp_bl_post(DECL_ARGS);
                    104: static void      termp_bq_post(DECL_ARGS);
                    105: static void      termp_brq_post(DECL_ARGS);
                    106: static void      termp_bx_post(DECL_ARGS);
                    107: static void      termp_d1_post(DECL_ARGS);
                    108: static void      termp_dq_post(DECL_ARGS);
                    109: static void      termp_fd_post(DECL_ARGS);
                    110: static void      termp_fn_post(DECL_ARGS);
                    111: static void      termp_fo_post(DECL_ARGS);
                    112: static void      termp_ft_post(DECL_ARGS);
                    113: static void      termp_in_post(DECL_ARGS);
                    114: static void      termp_it_post(DECL_ARGS);
                    115: static void      termp_lb_post(DECL_ARGS);
                    116: static void      termp_op_post(DECL_ARGS);
                    117: static void      termp_pf_post(DECL_ARGS);
                    118: static void      termp_pq_post(DECL_ARGS);
                    119: static void      termp_qq_post(DECL_ARGS);
                    120: static void      termp_sh_post(DECL_ARGS);
                    121: static void      termp_sq_post(DECL_ARGS);
                    122: static void      termp_ss_post(DECL_ARGS);
                    123: static void      termp_vt_post(DECL_ARGS);
                    124:
                    125: static int       termp__j_pre(DECL_ARGS);
                    126: static int       termp__t_pre(DECL_ARGS);
                    127: static int       termp_ap_pre(DECL_ARGS);
                    128: static int       termp_aq_pre(DECL_ARGS);
                    129: static int       termp_ar_pre(DECL_ARGS);
                    130: static int       termp_bd_pre(DECL_ARGS);
                    131: static int       termp_bf_pre(DECL_ARGS);
                    132: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  133: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_brq_pre(DECL_ARGS);
                    135: static int       termp_bt_pre(DECL_ARGS);
                    136: static int       termp_cd_pre(DECL_ARGS);
                    137: static int       termp_cm_pre(DECL_ARGS);
                    138: static int       termp_d1_pre(DECL_ARGS);
                    139: static int       termp_dq_pre(DECL_ARGS);
                    140: static int       termp_em_pre(DECL_ARGS);
                    141: static int       termp_ex_pre(DECL_ARGS);
                    142: static int       termp_fa_pre(DECL_ARGS);
                    143: static int       termp_fd_pre(DECL_ARGS);
                    144: static int       termp_fl_pre(DECL_ARGS);
                    145: static int       termp_fn_pre(DECL_ARGS);
                    146: static int       termp_fo_pre(DECL_ARGS);
                    147: static int       termp_ft_pre(DECL_ARGS);
                    148: static int       termp_ic_pre(DECL_ARGS);
                    149: static int       termp_in_pre(DECL_ARGS);
                    150: static int       termp_it_pre(DECL_ARGS);
                    151: static int       termp_lk_pre(DECL_ARGS);
                    152: static int       termp_ms_pre(DECL_ARGS);
                    153: static int       termp_mt_pre(DECL_ARGS);
                    154: static int       termp_nd_pre(DECL_ARGS);
                    155: static int       termp_nm_pre(DECL_ARGS);
                    156: static int       termp_ns_pre(DECL_ARGS);
                    157: static int       termp_op_pre(DECL_ARGS);
                    158: static int       termp_pa_pre(DECL_ARGS);
                    159: static int       termp_pf_pre(DECL_ARGS);
                    160: static int       termp_pp_pre(DECL_ARGS);
                    161: static int       termp_pq_pre(DECL_ARGS);
                    162: static int       termp_qq_pre(DECL_ARGS);
                    163: static int       termp_rs_pre(DECL_ARGS);
                    164: static int       termp_rv_pre(DECL_ARGS);
                    165: static int       termp_sh_pre(DECL_ARGS);
                    166: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  167: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  168: static int       termp_sq_pre(DECL_ARGS);
                    169: static int       termp_ss_pre(DECL_ARGS);
                    170: static int       termp_sx_pre(DECL_ARGS);
                    171: static int       termp_sy_pre(DECL_ARGS);
                    172: static int       termp_ud_pre(DECL_ARGS);
                    173: static int       termp_va_pre(DECL_ARGS);
                    174: static int       termp_vt_pre(DECL_ARGS);
                    175: static int       termp_xr_pre(DECL_ARGS);
                    176: static int       termp_xx_pre(DECL_ARGS);
                    177:
1.1       kristaps  178: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  179:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  180:        { NULL, NULL }, /* Dd */
                    181:        { NULL, NULL }, /* Dt */
                    182:        { NULL, NULL }, /* Os */
                    183:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    184:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    185:        { termp_pp_pre, NULL }, /* Pp */
                    186:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    187:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    188:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    189:        { NULL, NULL }, /* Ed */
                    190:        { NULL, termp_bl_post }, /* Bl */
                    191:        { NULL, NULL }, /* El */
                    192:        { termp_it_pre, termp_it_post }, /* It */
                    193:        { NULL, NULL }, /* Ad */
                    194:        { NULL, NULL }, /* An */
                    195:        { termp_ar_pre, NULL }, /* Ar */
                    196:        { termp_cd_pre, NULL }, /* Cd */
                    197:        { termp_cm_pre, NULL }, /* Cm */
                    198:        { NULL, NULL }, /* Dv */
                    199:        { NULL, NULL }, /* Er */
                    200:        { NULL, NULL }, /* Ev */
                    201:        { termp_ex_pre, NULL }, /* Ex */
                    202:        { termp_fa_pre, NULL }, /* Fa */
                    203:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    204:        { termp_fl_pre, NULL }, /* Fl */
                    205:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    206:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    207:        { termp_ic_pre, NULL }, /* Ic */
                    208:        { termp_in_pre, termp_in_post }, /* In */
                    209:        { NULL, NULL }, /* Li */
                    210:        { termp_nd_pre, NULL }, /* Nd */
                    211:        { termp_nm_pre, NULL }, /* Nm */
                    212:        { termp_op_pre, termp_op_post }, /* Op */
                    213:        { NULL, NULL }, /* Ot */
                    214:        { termp_pa_pre, NULL }, /* Pa */
                    215:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  216:        { NULL, NULL }, /* St */
1.1       kristaps  217:        { termp_va_pre, NULL }, /* Va */
                    218:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    219:        { termp_xr_pre, NULL }, /* Xr */
                    220:        { NULL, termp____post }, /* %A */
                    221:        { NULL, termp____post }, /* %B */
                    222:        { NULL, termp____post }, /* %D */
                    223:        { NULL, termp____post }, /* %I */
                    224:        { termp__j_pre, termp____post }, /* %J */
                    225:        { NULL, termp____post }, /* %N */
                    226:        { NULL, termp____post }, /* %O */
                    227:        { NULL, termp____post }, /* %P */
                    228:        { NULL, termp____post }, /* %R */
                    229:        { termp__t_pre, termp__t_post }, /* %T */
                    230:        { NULL, termp____post }, /* %V */
                    231:        { NULL, NULL }, /* Ac */
                    232:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    233:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  234:        { NULL, NULL }, /* At */
1.1       kristaps  235:        { NULL, NULL }, /* Bc */
                    236:        { termp_bf_pre, NULL }, /* Bf */
                    237:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    238:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  239:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  240:        { NULL, termp_bx_post }, /* Bx */
                    241:        { NULL, NULL }, /* Db */
                    242:        { NULL, NULL }, /* Dc */
                    243:        { termp_dq_pre, termp_dq_post }, /* Do */
                    244:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    245:        { NULL, NULL }, /* Ec */
                    246:        { NULL, NULL }, /* Ef */
                    247:        { termp_em_pre, NULL }, /* Em */
                    248:        { NULL, NULL }, /* Eo */
1.26      kristaps  249:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  250:        { termp_ms_pre, NULL }, /* Ms */
                    251:        { NULL, NULL }, /* No */
                    252:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  253:        { termp_xx_pre, NULL }, /* Nx */
                    254:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  255:        { NULL, NULL }, /* Pc */
                    256:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    257:        { termp_pq_pre, termp_pq_post }, /* Po */
                    258:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    259:        { NULL, NULL }, /* Qc */
                    260:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    261:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    262:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    263:        { NULL, NULL }, /* Re */
                    264:        { termp_rs_pre, NULL }, /* Rs */
                    265:        { NULL, NULL }, /* Sc */
                    266:        { termp_sq_pre, termp_sq_post }, /* So */
                    267:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    268:        { termp_sm_pre, NULL }, /* Sm */
                    269:        { termp_sx_pre, NULL }, /* Sx */
                    270:        { termp_sy_pre, NULL }, /* Sy */
                    271:        { NULL, NULL }, /* Tn */
1.26      kristaps  272:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  273:        { NULL, NULL }, /* Xc */
                    274:        { NULL, NULL }, /* Xo */
                    275:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    276:        { NULL, NULL }, /* Fc */
                    277:        { termp_op_pre, termp_op_post }, /* Oo */
                    278:        { NULL, NULL }, /* Oc */
                    279:        { NULL, NULL }, /* Bk */
                    280:        { NULL, NULL }, /* Ek */
                    281:        { termp_bt_pre, NULL }, /* Bt */
                    282:        { NULL, NULL }, /* Hf */
                    283:        { NULL, NULL }, /* Fr */
                    284:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  285:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  286:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  287:        { termp_lk_pre, NULL }, /* Lk */
                    288:        { termp_mt_pre, NULL }, /* Mt */
                    289:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    290:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    291:        { NULL, NULL }, /* Brc */
                    292:        { NULL, NULL }, /* %C */
                    293:        { NULL, NULL }, /* Es */
                    294:        { NULL, NULL }, /* En */
1.26      kristaps  295:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  296:        { NULL, NULL }, /* %Q */
1.44      kristaps  297:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  298:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  299: };
                    300:
1.2       kristaps  301: #ifdef __linux__
1.9       kristaps  302: extern size_t    strlcpy(char *, const char *, size_t);
                    303: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  304: #endif
                    305:
1.1       kristaps  306: static int       arg_hasattr(int, const struct mdoc_node *);
                    307: static int       arg_getattrs(const int *, int *, size_t,
                    308:                        const struct mdoc_node *);
                    309: static int       arg_getattr(int, const struct mdoc_node *);
                    310: static size_t    arg_offset(const struct mdoc_argv *);
                    311: static size_t    arg_width(const struct mdoc_argv *, int);
                    312: static int       arg_listtype(const struct mdoc_node *);
                    313: static int       fmt_block_vspace(struct termp *,
                    314:                        const struct mdoc_node *,
                    315:                        const struct mdoc_node *);
1.3       kristaps  316: static void      print_node(DECL_ARGS);
                    317: static void      print_head(struct termp *,
1.1       kristaps  318:                        const struct mdoc_meta *);
1.3       kristaps  319: static void      print_body(DECL_ARGS);
                    320: static void      print_foot(struct termp *,
1.1       kristaps  321:                        const struct mdoc_meta *);
                    322:
                    323:
                    324: int
                    325: mdoc_run(struct termp *p, const struct mdoc *m)
                    326: {
1.9       kristaps  327:        /*
                    328:         * Main output function.  When this is called, assume that the
                    329:         * tree is properly formed.
                    330:         */
1.3       kristaps  331:        print_head(p, mdoc_meta(m));
1.14      kristaps  332:        assert(mdoc_node(m));
                    333:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    334:        if (mdoc_node(m)->child)
                    335:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  336:        print_foot(p, mdoc_meta(m));
                    337:        return(1);
1.1       kristaps  338: }
                    339:
                    340:
1.3       kristaps  341: static void
1.1       kristaps  342: print_body(DECL_ARGS)
                    343: {
                    344:
1.3       kristaps  345:        print_node(p, pair, meta, node);
1.1       kristaps  346:        if ( ! node->next)
1.3       kristaps  347:                return;
                    348:        print_body(p, pair, meta, node->next);
1.1       kristaps  349: }
                    350:
                    351:
1.3       kristaps  352: static void
1.1       kristaps  353: print_node(DECL_ARGS)
                    354: {
                    355:        int              dochild;
                    356:        struct termpair  npair;
1.30      kristaps  357:        size_t           offset, rmargin;
1.1       kristaps  358:
                    359:        dochild = 1;
1.29      kristaps  360:        offset = p->offset;
1.30      kristaps  361:        rmargin = p->rmargin;
1.29      kristaps  362:
1.1       kristaps  363:        npair.ppair = pair;
                    364:        npair.flag = 0;
                    365:        npair.count = 0;
                    366:
1.46    ! kristaps  367:        /*
        !           368:         * Note on termpair.  This allows a pre function to set a termp
        !           369:         * flag that is automatically unset after the body, but before
        !           370:         * the post function.  Thus, if a pre uses a termpair flag, it
        !           371:         * must be reapplied in the post for use.
        !           372:         */
        !           373:
1.1       kristaps  374:        if (MDOC_TEXT != node->type) {
                    375:                if (termacts[node->tok].pre)
                    376:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    377:                                dochild = 0;
                    378:        } else /* MDOC_TEXT == node->type */
                    379:                term_word(p, node->string);
                    380:
                    381:        /* Children. */
                    382:
1.28      kristaps  383:        p->flags |= npair.flag;
1.1       kristaps  384:
                    385:        if (dochild && node->child)
                    386:                print_body(p, &npair, meta, node->child);
                    387:
1.46    ! kristaps  388:        p->flags &= ~npair.flag;
        !           389:
1.1       kristaps  390:        /* Post-processing. */
                    391:
                    392:        if (MDOC_TEXT != node->type)
                    393:                if (termacts[node->tok].post)
                    394:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  395:
                    396:        p->offset = offset;
1.30      kristaps  397:        p->rmargin = rmargin;
1.1       kristaps  398: }
                    399:
                    400:
1.3       kristaps  401: static void
1.1       kristaps  402: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    403: {
                    404:        struct tm       *tm;
                    405:        char            *buf, *os;
                    406:
1.9       kristaps  407:        /*
                    408:         * Output the footer in new-groff style, that is, three columns
                    409:         * with the middle being the manual date and flanking columns
                    410:         * being the operating system:
                    411:         *
                    412:         * SYSTEM                  DATE                    SYSTEM
                    413:         */
                    414:
1.1       kristaps  415:        if (NULL == (buf = malloc(p->rmargin)))
                    416:                err(1, "malloc");
                    417:        if (NULL == (os = malloc(p->rmargin)))
                    418:                err(1, "malloc");
                    419:
                    420:        tm = localtime(&meta->date);
                    421:
1.42      kristaps  422:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  423:                err(1, "strftime");
                    424:
                    425:        (void)strlcpy(os, meta->os, p->rmargin);
                    426:
                    427:        term_vspace(p);
                    428:
1.9       kristaps  429:        p->offset = 0;
                    430:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  431:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    432:
                    433:        term_word(p, os);
                    434:        term_flushln(p);
                    435:
1.9       kristaps  436:        p->offset = p->rmargin;
                    437:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  438:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  439:
                    440:        term_word(p, buf);
                    441:        term_flushln(p);
                    442:
1.1       kristaps  443:        p->offset = p->rmargin;
                    444:        p->rmargin = p->maxrmargin;
                    445:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  446:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  447:
1.9       kristaps  448:        term_word(p, os);
1.1       kristaps  449:        term_flushln(p);
                    450:
1.9       kristaps  451:        p->offset = 0;
                    452:        p->rmargin = p->maxrmargin;
                    453:        p->flags = 0;
                    454:
1.1       kristaps  455:        free(buf);
                    456:        free(os);
                    457: }
                    458:
                    459:
1.3       kristaps  460: static void
1.1       kristaps  461: print_head(struct termp *p, const struct mdoc_meta *meta)
                    462: {
                    463:        char            *buf, *title;
                    464:
                    465:        p->rmargin = p->maxrmargin;
                    466:        p->offset = 0;
                    467:
                    468:        if (NULL == (buf = malloc(p->rmargin)))
                    469:                err(1, "malloc");
                    470:        if (NULL == (title = malloc(p->rmargin)))
                    471:                err(1, "malloc");
                    472:
                    473:        /*
                    474:         * The header is strange.  It has three components, which are
                    475:         * really two with the first duplicated.  It goes like this:
                    476:         *
                    477:         * IDENTIFIER              TITLE                   IDENTIFIER
                    478:         *
                    479:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    480:         * (if given, or "unknown" if not) followed by the manual page
                    481:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    482:         * string depending on the manual volume.  If not specified, it
                    483:         * switches on the manual section.
                    484:         */
                    485:
                    486:        assert(meta->vol);
                    487:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    488:
                    489:        if (meta->arch) {
                    490:                (void)strlcat(buf, " (", p->rmargin);
                    491:                (void)strlcat(buf, meta->arch, p->rmargin);
                    492:                (void)strlcat(buf, ")", p->rmargin);
                    493:        }
                    494:
                    495:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    496:                        meta->title, meta->msec);
                    497:
                    498:        p->offset = 0;
1.8       kristaps  499:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  500:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    501:
                    502:        term_word(p, title);
                    503:        term_flushln(p);
                    504:
                    505:        p->offset = p->rmargin;
                    506:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  507:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  508:
                    509:        term_word(p, buf);
                    510:        term_flushln(p);
                    511:
                    512:        p->offset = p->rmargin;
                    513:        p->rmargin = p->maxrmargin;
                    514:        p->flags &= ~TERMP_NOBREAK;
                    515:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    516:
                    517:        term_word(p, title);
                    518:        term_flushln(p);
                    519:
1.9       kristaps  520:        p->offset = 0;
1.1       kristaps  521:        p->rmargin = p->maxrmargin;
                    522:        p->flags &= ~TERMP_NOSPACE;
                    523:
                    524:        free(title);
                    525:        free(buf);
                    526: }
                    527:
                    528:
                    529: static size_t
                    530: arg_width(const struct mdoc_argv *arg, int pos)
                    531: {
                    532:        int              i, len;
1.40      kristaps  533:        const char      *p;
1.1       kristaps  534:
                    535:        assert(pos < (int)arg->sz && pos >= 0);
                    536:        assert(arg->value[pos]);
                    537:
1.40      kristaps  538:        p = arg->value[pos];
                    539:
                    540:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  541:                return(0);
                    542:
                    543:        for (i = 0; i < len - 1; i++)
1.40      kristaps  544:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  545:                        break;
                    546:
1.40      kristaps  547:        if (i == len - 1)
                    548:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    549:                        return((size_t)atoi(p) + 2);
1.1       kristaps  550:
1.40      kristaps  551:        return((size_t)len + 2);
1.1       kristaps  552: }
                    553:
                    554:
                    555: static int
                    556: arg_listtype(const struct mdoc_node *n)
                    557: {
                    558:        int              i, len;
                    559:
                    560:        assert(MDOC_BLOCK == n->type);
                    561:
                    562:        len = (int)(n->args ? n->args->argc : 0);
                    563:
                    564:        for (i = 0; i < len; i++)
                    565:                switch (n->args->argv[i].arg) {
                    566:                case (MDOC_Bullet):
                    567:                        /* FALLTHROUGH */
                    568:                case (MDOC_Dash):
                    569:                        /* FALLTHROUGH */
                    570:                case (MDOC_Enum):
                    571:                        /* FALLTHROUGH */
                    572:                case (MDOC_Hyphen):
                    573:                        /* FALLTHROUGH */
                    574:                case (MDOC_Tag):
                    575:                        /* FALLTHROUGH */
                    576:                case (MDOC_Inset):
                    577:                        /* FALLTHROUGH */
                    578:                case (MDOC_Diag):
                    579:                        /* FALLTHROUGH */
                    580:                case (MDOC_Item):
                    581:                        /* FALLTHROUGH */
                    582:                case (MDOC_Column):
                    583:                        /* FALLTHROUGH */
1.38      kristaps  584:                case (MDOC_Hang):
                    585:                        /* FALLTHROUGH */
1.1       kristaps  586:                case (MDOC_Ohang):
                    587:                        return(n->args->argv[i].arg);
                    588:                default:
                    589:                        break;
                    590:                }
                    591:
1.38      kristaps  592:        return(-1);
1.1       kristaps  593: }
                    594:
                    595:
                    596: static size_t
                    597: arg_offset(const struct mdoc_argv *arg)
                    598: {
1.40      kristaps  599:        int              len, i;
                    600:        const char      *p;
1.1       kristaps  601:
                    602:        assert(*arg->value);
1.40      kristaps  603:        p = *arg->value;
                    604:
                    605:        if (0 == strcmp(p, "left"))
1.19      kristaps  606:                return(0);
1.40      kristaps  607:        if (0 == strcmp(p, "indent"))
1.16      kristaps  608:                return(INDENT + 1);
1.40      kristaps  609:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  610:                return((INDENT + 1) * 2);
1.10      kristaps  611:
1.40      kristaps  612:        if (0 == (len = (int)strlen(p)))
                    613:                return(0);
                    614:
                    615:        for (i = 0; i < len - 1; i++)
                    616:                if ( ! isdigit((u_char)p[i]))
                    617:                        break;
                    618:
                    619:        if (i == len - 1)
                    620:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    621:                        return((size_t)atoi(p));
1.11      kristaps  622:
1.40      kristaps  623:        return((size_t)len);
1.1       kristaps  624: }
                    625:
                    626:
                    627: static int
                    628: arg_hasattr(int arg, const struct mdoc_node *n)
                    629: {
                    630:
                    631:        return(-1 != arg_getattr(arg, n));
                    632: }
                    633:
                    634:
                    635: static int
                    636: arg_getattr(int v, const struct mdoc_node *n)
                    637: {
                    638:        int              val;
                    639:
                    640:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    641: }
                    642:
                    643:
                    644: static int
                    645: arg_getattrs(const int *keys, int *vals,
                    646:                size_t sz, const struct mdoc_node *n)
                    647: {
                    648:        int              i, j, k;
                    649:
                    650:        if (NULL == n->args)
                    651:                return(0);
                    652:
                    653:        for (k = i = 0; i < (int)n->args->argc; i++)
                    654:                for (j = 0; j < (int)sz; j++)
                    655:                        if (n->args->argv[i].arg == keys[j]) {
                    656:                                vals[j] = i;
                    657:                                k++;
                    658:                        }
                    659:        return(k);
                    660: }
                    661:
                    662:
                    663: /* ARGSUSED */
                    664: static int
                    665: fmt_block_vspace(struct termp *p,
                    666:                const struct mdoc_node *bl,
                    667:                const struct mdoc_node *node)
                    668: {
                    669:        const struct mdoc_node *n;
                    670:
                    671:        term_newln(p);
                    672:
                    673:        if (arg_hasattr(MDOC_Compact, bl))
                    674:                return(1);
                    675:
                    676:        for (n = node; n; n = n->parent) {
                    677:                if (MDOC_BLOCK != n->type)
                    678:                        continue;
                    679:                if (MDOC_Ss == n->tok)
                    680:                        break;
                    681:                if (MDOC_Sh == n->tok)
                    682:                        break;
                    683:                if (NULL == n->prev)
                    684:                        continue;
                    685:                term_vspace(p);
                    686:                break;
                    687:        }
                    688:
                    689:        return(1);
                    690: }
                    691:
                    692:
                    693: /* ARGSUSED */
                    694: static int
                    695: termp_dq_pre(DECL_ARGS)
                    696: {
                    697:
                    698:        if (MDOC_BODY != node->type)
                    699:                return(1);
                    700:
                    701:        term_word(p, "\\(lq");
                    702:        p->flags |= TERMP_NOSPACE;
                    703:        return(1);
                    704: }
                    705:
                    706:
                    707: /* ARGSUSED */
                    708: static void
                    709: termp_dq_post(DECL_ARGS)
                    710: {
                    711:
                    712:        if (MDOC_BODY != node->type)
                    713:                return;
                    714:
                    715:        p->flags |= TERMP_NOSPACE;
                    716:        term_word(p, "\\(rq");
                    717: }
                    718:
                    719:
                    720: /* ARGSUSED */
                    721: static int
                    722: termp_it_pre(DECL_ARGS)
                    723: {
                    724:        const struct mdoc_node *bl, *n;
                    725:        char                    buf[7];
1.39      kristaps  726:        int                     i, type, keys[3], vals[3];
1.1       kristaps  727:        size_t                  width, offset;
                    728:
                    729:        if (MDOC_BLOCK == node->type)
                    730:                return(fmt_block_vspace(p, node->parent->parent, node));
                    731:
                    732:        bl = node->parent->parent->parent;
                    733:
                    734:        /* Save parent attributes. */
                    735:
                    736:        pair->flag = p->flags;
                    737:
                    738:        /* Get list width and offset. */
                    739:
                    740:        keys[0] = MDOC_Width;
                    741:        keys[1] = MDOC_Offset;
                    742:        keys[2] = MDOC_Column;
                    743:
                    744:        vals[0] = vals[1] = vals[2] = -1;
                    745:
                    746:        width = offset = 0;
                    747:
                    748:        (void)arg_getattrs(keys, vals, 3, bl);
                    749:
                    750:        type = arg_listtype(bl);
1.38      kristaps  751:        assert(-1 != type);
1.1       kristaps  752:
                    753:        /* Calculate real width and offset. */
                    754:
                    755:        switch (type) {
                    756:        case (MDOC_Column):
                    757:                if (MDOC_BODY == node->type)
                    758:                        break;
                    759:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    760:                        offset += arg_width
                    761:                                (&bl->args->argv[vals[2]], i);
                    762:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    763:                width = arg_width(&bl->args->argv[vals[2]], i);
                    764:                if (vals[1] >= 0)
                    765:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    766:                break;
                    767:        default:
                    768:                if (vals[0] >= 0)
                    769:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    770:                if (vals[1] >= 0)
1.19      kristaps  771:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  772:                break;
                    773:        }
                    774:
                    775:        /*
                    776:         * List-type can override the width in the case of fixed-head
                    777:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.38      kristaps  778:         * offset.  FIXME: double-check that correct.
1.1       kristaps  779:         */
                    780:
                    781:        switch (type) {
                    782:        case (MDOC_Bullet):
                    783:                /* FALLTHROUGH */
                    784:        case (MDOC_Dash):
                    785:                /* FALLTHROUGH */
                    786:        case (MDOC_Hyphen):
                    787:                if (width < 4)
                    788:                        width = 4;
                    789:                break;
1.17      kristaps  790:        case (MDOC_Enum):
                    791:                if (width < 5)
                    792:                        width = 5;
                    793:                break;
1.38      kristaps  794:        case (MDOC_Hang):
1.39      kristaps  795:                if (0 == width)
                    796:                        width = 8;
                    797:                break;
1.1       kristaps  798:        case (MDOC_Tag):
                    799:                if (0 == width)
                    800:                        width = 10;
                    801:                break;
                    802:        default:
                    803:                break;
                    804:        }
                    805:
                    806:        /*
1.17      kristaps  807:         * Whitespace control.  Inset bodies need an initial space,
                    808:         * while diagonal bodies need two.
1.1       kristaps  809:         */
                    810:
                    811:        switch (type) {
                    812:        case (MDOC_Inset):
                    813:                if (MDOC_BODY == node->type)
                    814:                        p->flags &= ~TERMP_NOSPACE;
                    815:                else
                    816:                        p->flags |= TERMP_NOSPACE;
                    817:                break;
                    818:        default:
                    819:                p->flags |= TERMP_NOSPACE;
                    820:                break;
                    821:        }
                    822:
                    823:        /*
                    824:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    825:         */
                    826:
                    827:        switch (type) {
                    828:        case (MDOC_Diag):
                    829:                if (MDOC_HEAD == node->type)
                    830:                        p->flags |= ttypes[TTYPE_DIAG];
                    831:                break;
                    832:        default:
                    833:                break;
                    834:        }
                    835:
                    836:        /*
                    837:         * Pad and break control.  This is the tricker part.  Lists with
                    838:         * set right-margins for the head get TERMP_NOBREAK because, if
                    839:         * they overrun the margin, they wrap to the new margin.
                    840:         * Correspondingly, the body for these types don't left-pad, as
                    841:         * the head will pad out to to the right.
                    842:         */
                    843:
                    844:        switch (type) {
                    845:        case (MDOC_Bullet):
                    846:                /* FALLTHROUGH */
                    847:        case (MDOC_Dash):
                    848:                /* FALLTHROUGH */
                    849:        case (MDOC_Enum):
                    850:                /* FALLTHROUGH */
                    851:        case (MDOC_Hyphen):
1.39      kristaps  852:                if (MDOC_HEAD == node->type)
                    853:                        p->flags |= TERMP_NOBREAK;
                    854:                else
                    855:                        p->flags |= TERMP_NOLPAD;
                    856:                break;
1.38      kristaps  857:        case (MDOC_Hang):
1.39      kristaps  858:                if (MDOC_HEAD == node->type)
                    859:                        p->flags |= TERMP_NOBREAK;
                    860:                else
                    861:                        p->flags |= TERMP_NOLPAD;
                    862:
                    863:                if (MDOC_HEAD == node->type)
                    864:                        p->flags |= TERMP_HANG;
                    865:                break;
1.1       kristaps  866:        case (MDOC_Tag):
                    867:                if (MDOC_HEAD == node->type)
                    868:                        p->flags |= TERMP_NOBREAK;
                    869:                else
                    870:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  871:
1.39      kristaps  872:                if (MDOC_HEAD != node->type)
                    873:                        break;
                    874:                if (NULL == node->next || NULL == node->next->child)
                    875:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  876:                break;
                    877:        case (MDOC_Column):
                    878:                if (MDOC_HEAD == node->type) {
                    879:                        assert(node->next);
                    880:                        if (MDOC_BODY == node->next->type)
                    881:                                p->flags &= ~TERMP_NOBREAK;
                    882:                        else
                    883:                                p->flags |= TERMP_NOBREAK;
                    884:                        if (node->prev)
                    885:                                p->flags |= TERMP_NOLPAD;
                    886:                }
                    887:                break;
                    888:        case (MDOC_Diag):
                    889:                if (MDOC_HEAD == node->type)
                    890:                        p->flags |= TERMP_NOBREAK;
                    891:                break;
                    892:        default:
                    893:                break;
                    894:        }
                    895:
                    896:        /*
                    897:         * Margin control.  Set-head-width lists have their right
                    898:         * margins shortened.  The body for these lists has the offset
                    899:         * necessarily lengthened.  Everybody gets the offset.
                    900:         */
                    901:
                    902:        p->offset += offset;
                    903:
                    904:        switch (type) {
                    905:        case (MDOC_Bullet):
                    906:                /* FALLTHROUGH */
                    907:        case (MDOC_Dash):
                    908:                /* FALLTHROUGH */
                    909:        case (MDOC_Enum):
                    910:                /* FALLTHROUGH */
                    911:        case (MDOC_Hyphen):
                    912:                /* FALLTHROUGH */
1.38      kristaps  913:        case (MDOC_Hang):
                    914:                /* FALLTHROUGH */
1.1       kristaps  915:        case (MDOC_Tag):
                    916:                if (MDOC_HEAD == node->type)
                    917:                        p->rmargin = p->offset + width;
                    918:                else
                    919:                        p->offset += width;
                    920:                break;
                    921:        case (MDOC_Column):
                    922:                p->rmargin = p->offset + width;
                    923:                break;
                    924:        default:
                    925:                break;
                    926:        }
                    927:
                    928:        /*
                    929:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  930:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  931:         */
                    932:
                    933:        if (MDOC_HEAD == node->type)
                    934:                switch (type) {
                    935:                case (MDOC_Bullet):
1.15      kristaps  936:                        p->flags |= TERMP_BOLD;
1.1       kristaps  937:                        term_word(p, "\\[bu]");
1.39      kristaps  938:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  939:                        break;
                    940:                case (MDOC_Dash):
                    941:                        /* FALLTHROUGH */
                    942:                case (MDOC_Hyphen):
1.15      kristaps  943:                        p->flags |= TERMP_BOLD;
1.27      kristaps  944:                        term_word(p, "\\(hy");
1.39      kristaps  945:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  946:                        break;
                    947:                case (MDOC_Enum):
                    948:                        (pair->ppair->ppair->count)++;
                    949:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    950:                                        pair->ppair->ppair->count);
                    951:                        term_word(p, buf);
                    952:                        break;
                    953:                default:
                    954:                        break;
                    955:                }
                    956:
                    957:        /*
                    958:         * If we're not going to process our children, indicate so here.
                    959:         */
                    960:
                    961:        switch (type) {
                    962:        case (MDOC_Bullet):
                    963:                /* FALLTHROUGH */
                    964:        case (MDOC_Item):
                    965:                /* FALLTHROUGH */
                    966:        case (MDOC_Dash):
                    967:                /* FALLTHROUGH */
                    968:        case (MDOC_Hyphen):
                    969:                /* FALLTHROUGH */
                    970:        case (MDOC_Enum):
                    971:                if (MDOC_HEAD == node->type)
                    972:                        return(0);
                    973:                break;
                    974:        case (MDOC_Column):
                    975:                if (MDOC_BODY == node->type)
                    976:                        return(0);
                    977:                break;
                    978:        default:
                    979:                break;
                    980:        }
                    981:
                    982:        return(1);
                    983: }
                    984:
                    985:
                    986: /* ARGSUSED */
                    987: static void
                    988: termp_it_post(DECL_ARGS)
                    989: {
                    990:        int                type;
                    991:
                    992:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                    993:                return;
                    994:
                    995:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps  996:        assert(-1 != type);
1.1       kristaps  997:
                    998:        switch (type) {
                    999:        case (MDOC_Diag):
1.43      kristaps 1000:                term_word(p, "\\ ");
1.1       kristaps 1001:                /* FALLTHROUGH */
                   1002:        case (MDOC_Item):
                   1003:                /* FALLTHROUGH */
                   1004:        case (MDOC_Inset):
                   1005:                if (MDOC_BODY == node->type)
                   1006:                        term_flushln(p);
                   1007:                break;
                   1008:        case (MDOC_Column):
                   1009:                if (MDOC_HEAD == node->type)
                   1010:                        term_flushln(p);
                   1011:                break;
                   1012:        default:
                   1013:                term_flushln(p);
                   1014:                break;
                   1015:        }
                   1016:
                   1017:        p->flags = pair->flag;
                   1018: }
                   1019:
                   1020:
                   1021: /* ARGSUSED */
                   1022: static int
                   1023: termp_nm_pre(DECL_ARGS)
                   1024: {
                   1025:
                   1026:        if (SEC_SYNOPSIS == node->sec)
                   1027:                term_newln(p);
                   1028:
1.28      kristaps 1029:        pair->flag |= ttypes[TTYPE_PROG];
                   1030:        p->flags |= ttypes[TTYPE_PROG];
                   1031:
1.1       kristaps 1032:        if (NULL == node->child)
                   1033:                term_word(p, meta->name);
                   1034:
                   1035:        return(1);
                   1036: }
                   1037:
                   1038:
                   1039: /* ARGSUSED */
                   1040: static int
                   1041: termp_fl_pre(DECL_ARGS)
                   1042: {
                   1043:
1.28      kristaps 1044:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1045:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1046:        term_word(p, "\\-");
                   1047:        p->flags |= TERMP_NOSPACE;
                   1048:        return(1);
                   1049: }
                   1050:
                   1051:
                   1052: /* ARGSUSED */
                   1053: static int
                   1054: termp_ar_pre(DECL_ARGS)
                   1055: {
                   1056:
1.28      kristaps 1057:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1058:        return(1);
                   1059: }
                   1060:
                   1061:
                   1062: /* ARGSUSED */
                   1063: static int
                   1064: termp_ns_pre(DECL_ARGS)
                   1065: {
                   1066:
                   1067:        p->flags |= TERMP_NOSPACE;
                   1068:        return(1);
                   1069: }
                   1070:
                   1071:
                   1072: /* ARGSUSED */
                   1073: static int
                   1074: termp_pp_pre(DECL_ARGS)
                   1075: {
                   1076:
                   1077:        term_vspace(p);
                   1078:        return(1);
                   1079: }
                   1080:
                   1081:
                   1082: /* ARGSUSED */
                   1083: static int
                   1084: termp_rs_pre(DECL_ARGS)
                   1085: {
                   1086:
                   1087:        if (MDOC_BLOCK == node->type && node->prev)
                   1088:                term_vspace(p);
                   1089:        return(1);
                   1090: }
                   1091:
                   1092:
                   1093: /* ARGSUSED */
                   1094: static int
                   1095: termp_rv_pre(DECL_ARGS)
                   1096: {
                   1097:        int              i;
                   1098:
1.34      kristaps 1099:        i = arg_getattr(MDOC_Std, node);
                   1100:        assert(-1 != i);
                   1101:        assert(node->args->argv[i].sz);
1.1       kristaps 1102:
                   1103:        term_newln(p);
                   1104:        term_word(p, "The");
                   1105:
                   1106:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1107:        term_word(p, *node->args->argv[i].value);
                   1108:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1109:        p->flags |= TERMP_NOSPACE;
                   1110:
                   1111:                term_word(p, "() function returns the value 0 if successful;");
                   1112:                term_word(p, "otherwise the value -1 is returned and the");
                   1113:                term_word(p, "global variable");
                   1114:
                   1115:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1116:        term_word(p, "errno");
                   1117:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1118:
                   1119:                term_word(p, "is set to indicate the error.");
                   1120:
                   1121:        return(1);
                   1122: }
                   1123:
                   1124:
                   1125: /* ARGSUSED */
                   1126: static int
                   1127: termp_ex_pre(DECL_ARGS)
                   1128: {
                   1129:        int              i;
                   1130:
1.34      kristaps 1131:        i = arg_getattr(MDOC_Std, node);
                   1132:        assert(-1 != i);
                   1133:        assert(node->args->argv[i].sz);
1.1       kristaps 1134:
                   1135:        term_word(p, "The");
                   1136:        p->flags |= ttypes[TTYPE_PROG];
                   1137:        term_word(p, *node->args->argv[i].value);
                   1138:        p->flags &= ~ttypes[TTYPE_PROG];
                   1139:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1140:
                   1141:        return(1);
                   1142: }
                   1143:
                   1144:
                   1145: /* ARGSUSED */
                   1146: static int
                   1147: termp_nd_pre(DECL_ARGS)
                   1148: {
1.25      kristaps 1149:
                   1150:        if (MDOC_BODY != node->type)
                   1151:                return(1);
1.30      kristaps 1152:
1.27      kristaps 1153: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1154:        term_word(p, "\\(en");
1.23      kristaps 1155: #else
                   1156:        term_word(p, "\\(em");
                   1157: #endif
1.1       kristaps 1158:        return(1);
                   1159: }
                   1160:
                   1161:
                   1162: /* ARGSUSED */
                   1163: static void
                   1164: termp_bl_post(DECL_ARGS)
                   1165: {
                   1166:
                   1167:        if (MDOC_BLOCK == node->type)
                   1168:                term_newln(p);
                   1169: }
                   1170:
                   1171:
                   1172: /* ARGSUSED */
                   1173: static void
                   1174: termp_op_post(DECL_ARGS)
                   1175: {
                   1176:
                   1177:        if (MDOC_BODY != node->type)
                   1178:                return;
                   1179:        p->flags |= TERMP_NOSPACE;
                   1180:        term_word(p, "\\(rB");
                   1181: }
                   1182:
                   1183:
                   1184: /* ARGSUSED */
                   1185: static int
                   1186: termp_xr_pre(DECL_ARGS)
                   1187: {
                   1188:        const struct mdoc_node *n;
                   1189:
1.11      kristaps 1190:        assert(node->child && MDOC_TEXT == node->child->type);
                   1191:        n = node->child;
                   1192:
1.1       kristaps 1193:        term_word(p, n->string);
                   1194:        if (NULL == (n = n->next))
                   1195:                return(0);
                   1196:        p->flags |= TERMP_NOSPACE;
                   1197:        term_word(p, "(");
                   1198:        p->flags |= TERMP_NOSPACE;
                   1199:        term_word(p, n->string);
                   1200:        p->flags |= TERMP_NOSPACE;
                   1201:        term_word(p, ")");
                   1202:        return(0);
                   1203: }
                   1204:
                   1205:
                   1206: /* ARGSUSED */
                   1207: static int
                   1208: termp_vt_pre(DECL_ARGS)
                   1209: {
                   1210:
                   1211:        /* FIXME: this can be "type name". */
1.29      kristaps 1212:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1213:        return(1);
                   1214: }
                   1215:
                   1216:
                   1217: /* ARGSUSED */
                   1218: static void
                   1219: termp_vt_post(DECL_ARGS)
                   1220: {
                   1221:
1.32      kristaps 1222:        if (node->sec != SEC_SYNOPSIS)
                   1223:                return;
                   1224:        if (node->next && MDOC_Vt == node->next->tok)
                   1225:                term_newln(p);
                   1226:        else if (node->next)
1.1       kristaps 1227:                term_vspace(p);
                   1228: }
                   1229:
                   1230:
                   1231: /* ARGSUSED */
                   1232: static int
                   1233: termp_fd_pre(DECL_ARGS)
                   1234: {
                   1235:
1.29      kristaps 1236:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1237:        return(1);
                   1238: }
                   1239:
                   1240:
                   1241: /* ARGSUSED */
                   1242: static void
                   1243: termp_fd_post(DECL_ARGS)
                   1244: {
                   1245:
                   1246:        if (node->sec != SEC_SYNOPSIS)
                   1247:                return;
1.29      kristaps 1248:
1.1       kristaps 1249:        term_newln(p);
                   1250:        if (node->next && MDOC_Fd != node->next->tok)
                   1251:                term_vspace(p);
                   1252: }
                   1253:
                   1254:
                   1255: /* ARGSUSED */
                   1256: static int
                   1257: termp_sh_pre(DECL_ARGS)
                   1258: {
                   1259:
                   1260:        switch (node->type) {
                   1261:        case (MDOC_HEAD):
                   1262:                term_vspace(p);
1.28      kristaps 1263:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1264:                break;
                   1265:        case (MDOC_BODY):
                   1266:                p->offset = INDENT;
                   1267:                break;
                   1268:        default:
                   1269:                break;
                   1270:        }
                   1271:        return(1);
                   1272: }
                   1273:
                   1274:
                   1275: /* ARGSUSED */
                   1276: static void
                   1277: termp_sh_post(DECL_ARGS)
                   1278: {
                   1279:
                   1280:        switch (node->type) {
                   1281:        case (MDOC_HEAD):
                   1282:                term_newln(p);
                   1283:                break;
                   1284:        case (MDOC_BODY):
                   1285:                term_newln(p);
                   1286:                p->offset = 0;
                   1287:                break;
                   1288:        default:
                   1289:                break;
                   1290:        }
                   1291: }
                   1292:
                   1293:
                   1294: /* ARGSUSED */
                   1295: static int
                   1296: termp_op_pre(DECL_ARGS)
                   1297: {
                   1298:
                   1299:        switch (node->type) {
                   1300:        case (MDOC_BODY):
                   1301:                term_word(p, "\\(lB");
                   1302:                p->flags |= TERMP_NOSPACE;
                   1303:                break;
                   1304:        default:
                   1305:                break;
                   1306:        }
                   1307:        return(1);
                   1308: }
                   1309:
                   1310:
                   1311: /* ARGSUSED */
                   1312: static int
                   1313: termp_bt_pre(DECL_ARGS)
                   1314: {
                   1315:
                   1316:        term_word(p, "is currently in beta test.");
                   1317:        return(1);
                   1318: }
                   1319:
                   1320:
                   1321: /* ARGSUSED */
                   1322: static void
                   1323: termp_lb_post(DECL_ARGS)
                   1324: {
                   1325:
                   1326:        term_newln(p);
                   1327: }
                   1328:
                   1329:
                   1330: /* ARGSUSED */
                   1331: static int
                   1332: termp_ud_pre(DECL_ARGS)
                   1333: {
                   1334:
                   1335:        term_word(p, "currently under development.");
                   1336:        return(1);
                   1337: }
                   1338:
                   1339:
                   1340: /* ARGSUSED */
                   1341: static int
                   1342: termp_d1_pre(DECL_ARGS)
                   1343: {
                   1344:
1.4       kristaps 1345:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1346:                return(1);
                   1347:        term_newln(p);
1.29      kristaps 1348:        p->offset += (INDENT + 1);
1.1       kristaps 1349:        return(1);
                   1350: }
                   1351:
                   1352:
                   1353: /* ARGSUSED */
                   1354: static void
                   1355: termp_d1_post(DECL_ARGS)
                   1356: {
                   1357:
1.4       kristaps 1358:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1359:                return;
                   1360:        term_newln(p);
                   1361: }
                   1362:
                   1363:
                   1364: /* ARGSUSED */
                   1365: static int
                   1366: termp_aq_pre(DECL_ARGS)
                   1367: {
                   1368:
                   1369:        if (MDOC_BODY != node->type)
                   1370:                return(1);
                   1371:        term_word(p, "\\(la");
                   1372:        p->flags |= TERMP_NOSPACE;
                   1373:        return(1);
                   1374: }
                   1375:
                   1376:
                   1377: /* ARGSUSED */
                   1378: static void
                   1379: termp_aq_post(DECL_ARGS)
                   1380: {
                   1381:
                   1382:        if (MDOC_BODY != node->type)
                   1383:                return;
                   1384:        p->flags |= TERMP_NOSPACE;
                   1385:        term_word(p, "\\(ra");
                   1386: }
                   1387:
                   1388:
                   1389: /* ARGSUSED */
                   1390: static int
                   1391: termp_ft_pre(DECL_ARGS)
                   1392: {
                   1393:
                   1394:        if (SEC_SYNOPSIS == node->sec)
                   1395:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1396:                        term_vspace(p);
1.28      kristaps 1397:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1398:        return(1);
                   1399: }
                   1400:
                   1401:
                   1402: /* ARGSUSED */
                   1403: static void
                   1404: termp_ft_post(DECL_ARGS)
                   1405: {
                   1406:
                   1407:        if (SEC_SYNOPSIS == node->sec)
                   1408:                term_newln(p);
                   1409: }
                   1410:
                   1411:
                   1412: /* ARGSUSED */
                   1413: static int
                   1414: termp_fn_pre(DECL_ARGS)
                   1415: {
                   1416:        const struct mdoc_node *n;
                   1417:
1.11      kristaps 1418:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1419:
                   1420:        /* FIXME: can be "type funcname" "type varname"... */
                   1421:
                   1422:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1423:        term_word(p, node->child->string);
                   1424:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1425:
                   1426:        p->flags |= TERMP_NOSPACE;
                   1427:        term_word(p, "(");
                   1428:
                   1429:        for (n = node->child->next; n; n = n->next) {
                   1430:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1431:                term_word(p, n->string);
                   1432:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1433:                if (n->next)
                   1434:                        term_word(p, ",");
                   1435:        }
                   1436:
                   1437:        term_word(p, ")");
                   1438:
                   1439:        if (SEC_SYNOPSIS == node->sec)
                   1440:                term_word(p, ";");
                   1441:
                   1442:        return(0);
                   1443: }
                   1444:
                   1445:
                   1446: /* ARGSUSED */
                   1447: static void
                   1448: termp_fn_post(DECL_ARGS)
                   1449: {
                   1450:
                   1451:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1452:                term_vspace(p);
                   1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static int
                   1458: termp_sx_pre(DECL_ARGS)
                   1459: {
                   1460:
1.28      kristaps 1461:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1462:        return(1);
                   1463: }
                   1464:
                   1465:
                   1466: /* ARGSUSED */
                   1467: static int
                   1468: termp_fa_pre(DECL_ARGS)
                   1469: {
                   1470:        struct mdoc_node *n;
                   1471:
                   1472:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1473:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1474:                return(1);
                   1475:        }
                   1476:
                   1477:        for (n = node->child; n; n = n->next) {
                   1478:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1479:                term_word(p, n->string);
                   1480:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1481:                if (n->next)
                   1482:                        term_word(p, ",");
                   1483:        }
                   1484:
                   1485:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1486:                term_word(p, ",");
                   1487:
                   1488:        return(0);
                   1489: }
                   1490:
                   1491:
                   1492: /* ARGSUSED */
                   1493: static int
                   1494: termp_va_pre(DECL_ARGS)
                   1495: {
                   1496:
1.28      kristaps 1497:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1498:        return(1);
                   1499: }
                   1500:
                   1501:
                   1502: /* ARGSUSED */
                   1503: static int
                   1504: termp_bd_pre(DECL_ARGS)
                   1505: {
                   1506:        int              i, type, ln;
                   1507:
                   1508:        /*
                   1509:         * This is fairly tricky due primarily to crappy documentation.
                   1510:         * If -ragged or -filled are specified, the block does nothing
                   1511:         * but change the indentation.
                   1512:         *
                   1513:         * If, on the other hand, -unfilled or -literal are specified,
                   1514:         * then the game changes.  Text is printed exactly as entered in
                   1515:         * the display: if a macro line, a newline is appended to the
                   1516:         * line.  Blank lines are allowed.
                   1517:         */
                   1518:
                   1519:        if (MDOC_BLOCK == node->type)
                   1520:                return(fmt_block_vspace(p, node, node));
                   1521:        else if (MDOC_BODY != node->type)
                   1522:                return(1);
                   1523:
1.11      kristaps 1524:        /* FIXME: display type should be mandated by parser. */
                   1525:
1.1       kristaps 1526:        if (NULL == node->parent->args)
                   1527:                errx(1, "missing display type");
                   1528:
                   1529:        for (type = -1, i = 0;
                   1530:                        i < (int)node->parent->args->argc; i++) {
                   1531:                switch (node->parent->args->argv[i].arg) {
                   1532:                case (MDOC_Ragged):
                   1533:                        /* FALLTHROUGH */
                   1534:                case (MDOC_Filled):
                   1535:                        /* FALLTHROUGH */
                   1536:                case (MDOC_Unfilled):
                   1537:                        /* FALLTHROUGH */
                   1538:                case (MDOC_Literal):
                   1539:                        type = node->parent->args->argv[i].arg;
                   1540:                        i = (int)node->parent->args->argc;
                   1541:                        break;
                   1542:                default:
                   1543:                        break;
                   1544:                }
                   1545:        }
                   1546:
                   1547:        if (NULL == node->parent->args)
                   1548:                errx(1, "missing display type");
                   1549:
                   1550:        i = arg_getattr(MDOC_Offset, node->parent);
                   1551:        if (-1 != i) {
                   1552:                if (1 != node->parent->args->argv[i].sz)
                   1553:                        errx(1, "expected single value");
                   1554:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1555:        }
                   1556:
                   1557:        switch (type) {
                   1558:        case (MDOC_Literal):
                   1559:                /* FALLTHROUGH */
                   1560:        case (MDOC_Unfilled):
                   1561:                break;
                   1562:        default:
                   1563:                return(1);
                   1564:        }
                   1565:
                   1566:        /*
                   1567:         * Tricky.  Iterate through all children.  If we're on a
                   1568:         * different parse line, append a newline and then the contents.
                   1569:         * Ew.
                   1570:         */
                   1571:
                   1572:        p->flags |= TERMP_LITERAL;
                   1573:        ln = node->child ? node->child->line : 0;
                   1574:
                   1575:        for (node = node->child; node; node = node->next) {
                   1576:                if (ln < node->line) {
                   1577:                        term_flushln(p);
                   1578:                        p->flags |= TERMP_NOSPACE;
                   1579:                }
                   1580:                ln = node->line;
                   1581:                print_node(p, pair, meta, node);
                   1582:        }
                   1583:
                   1584:        return(0);
                   1585: }
                   1586:
                   1587:
                   1588: /* ARGSUSED */
                   1589: static void
                   1590: termp_bd_post(DECL_ARGS)
                   1591: {
                   1592:
                   1593:        if (MDOC_BODY != node->type)
                   1594:                return;
                   1595:
                   1596:        term_flushln(p);
                   1597:        p->flags &= ~TERMP_LITERAL;
                   1598:        p->flags |= TERMP_NOSPACE;
                   1599: }
                   1600:
                   1601:
                   1602: /* ARGSUSED */
                   1603: static int
                   1604: termp_qq_pre(DECL_ARGS)
                   1605: {
                   1606:
                   1607:        if (MDOC_BODY != node->type)
                   1608:                return(1);
                   1609:        term_word(p, "\"");
                   1610:        p->flags |= TERMP_NOSPACE;
                   1611:        return(1);
                   1612: }
                   1613:
                   1614:
                   1615: /* ARGSUSED */
                   1616: static void
                   1617: termp_qq_post(DECL_ARGS)
                   1618: {
                   1619:
                   1620:        if (MDOC_BODY != node->type)
                   1621:                return;
                   1622:        p->flags |= TERMP_NOSPACE;
                   1623:        term_word(p, "\"");
                   1624: }
                   1625:
                   1626:
                   1627: /* ARGSUSED */
                   1628: static void
                   1629: termp_bx_post(DECL_ARGS)
                   1630: {
                   1631:
                   1632:        if (node->child)
                   1633:                p->flags |= TERMP_NOSPACE;
                   1634:        term_word(p, "BSD");
                   1635: }
                   1636:
                   1637:
                   1638: /* ARGSUSED */
                   1639: static int
1.26      kristaps 1640: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1641: {
1.26      kristaps 1642:        const char      *pp;
1.1       kristaps 1643:
1.26      kristaps 1644:        pp = NULL;
                   1645:        switch (node->tok) {
                   1646:        case (MDOC_Bsx):
                   1647:                pp = "BSDI BSD/OS";
                   1648:                break;
                   1649:        case (MDOC_Dx):
                   1650:                pp = "DragonFlyBSD";
                   1651:                break;
                   1652:        case (MDOC_Fx):
                   1653:                pp = "FreeBSD";
                   1654:                break;
                   1655:        case (MDOC_Nx):
                   1656:                pp = "NetBSD";
                   1657:                break;
                   1658:        case (MDOC_Ox):
                   1659:                pp = "OpenBSD";
                   1660:                break;
                   1661:        case (MDOC_Ux):
                   1662:                pp = "UNIX";
                   1663:                break;
                   1664:        default:
                   1665:                break;
                   1666:        }
1.1       kristaps 1667:
1.26      kristaps 1668:        assert(pp);
                   1669:        term_word(p, pp);
1.1       kristaps 1670:        return(1);
                   1671: }
                   1672:
                   1673:
                   1674: /* ARGSUSED */
                   1675: static int
                   1676: termp_sq_pre(DECL_ARGS)
                   1677: {
                   1678:
                   1679:        if (MDOC_BODY != node->type)
                   1680:                return(1);
                   1681:        term_word(p, "\\(oq");
                   1682:        p->flags |= TERMP_NOSPACE;
                   1683:        return(1);
                   1684: }
                   1685:
                   1686:
                   1687: /* ARGSUSED */
                   1688: static void
                   1689: termp_sq_post(DECL_ARGS)
                   1690: {
                   1691:
                   1692:        if (MDOC_BODY != node->type)
                   1693:                return;
                   1694:        p->flags |= TERMP_NOSPACE;
                   1695:        term_word(p, "\\(aq");
                   1696: }
                   1697:
                   1698:
                   1699: /* ARGSUSED */
                   1700: static int
                   1701: termp_pf_pre(DECL_ARGS)
                   1702: {
                   1703:
                   1704:        p->flags |= TERMP_IGNDELIM;
                   1705:        return(1);
                   1706: }
                   1707:
                   1708:
                   1709: /* ARGSUSED */
                   1710: static void
                   1711: termp_pf_post(DECL_ARGS)
                   1712: {
                   1713:
                   1714:        p->flags &= ~TERMP_IGNDELIM;
                   1715:        p->flags |= TERMP_NOSPACE;
                   1716: }
                   1717:
                   1718:
                   1719: /* ARGSUSED */
                   1720: static int
                   1721: termp_ss_pre(DECL_ARGS)
                   1722: {
                   1723:
                   1724:        switch (node->type) {
                   1725:        case (MDOC_BLOCK):
                   1726:                term_newln(p);
                   1727:                if (node->prev)
                   1728:                        term_vspace(p);
                   1729:                break;
                   1730:        case (MDOC_HEAD):
1.28      kristaps 1731:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1732:                p->offset = HALFINDENT;
1.1       kristaps 1733:                break;
                   1734:        default:
                   1735:                break;
                   1736:        }
                   1737:
                   1738:        return(1);
                   1739: }
                   1740:
                   1741:
                   1742: /* ARGSUSED */
                   1743: static void
                   1744: termp_ss_post(DECL_ARGS)
                   1745: {
                   1746:
1.29      kristaps 1747:        if (MDOC_HEAD == node->type)
1.1       kristaps 1748:                term_newln(p);
                   1749: }
                   1750:
                   1751:
                   1752: /* ARGSUSED */
                   1753: static int
                   1754: termp_pa_pre(DECL_ARGS)
                   1755: {
                   1756:
1.28      kristaps 1757:        pair->flag |= ttypes[TTYPE_FILE];
1.1       kristaps 1758:        return(1);
                   1759: }
                   1760:
                   1761:
                   1762: /* ARGSUSED */
                   1763: static int
                   1764: termp_em_pre(DECL_ARGS)
                   1765: {
                   1766:
1.28      kristaps 1767:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1768:        return(1);
                   1769: }
                   1770:
                   1771:
                   1772: /* ARGSUSED */
                   1773: static int
                   1774: termp_cd_pre(DECL_ARGS)
                   1775: {
                   1776:
1.28      kristaps 1777:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1778:        term_newln(p);
                   1779:        return(1);
                   1780: }
                   1781:
                   1782:
                   1783: /* ARGSUSED */
                   1784: static int
                   1785: termp_cm_pre(DECL_ARGS)
                   1786: {
                   1787:
1.28      kristaps 1788:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1789:        return(1);
                   1790: }
                   1791:
                   1792:
                   1793: /* ARGSUSED */
                   1794: static int
                   1795: termp_ic_pre(DECL_ARGS)
                   1796: {
                   1797:
1.28      kristaps 1798:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1799:        return(1);
                   1800: }
                   1801:
                   1802:
                   1803: /* ARGSUSED */
                   1804: static int
                   1805: termp_in_pre(DECL_ARGS)
                   1806: {
                   1807:
1.28      kristaps 1808:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1809:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1810:
                   1811:        if (SEC_SYNOPSIS == node->sec)
                   1812:                term_word(p, "#include");
                   1813:
1.1       kristaps 1814:        term_word(p, "<");
                   1815:        p->flags |= TERMP_NOSPACE;
                   1816:        return(1);
                   1817: }
                   1818:
                   1819:
                   1820: /* ARGSUSED */
                   1821: static void
                   1822: termp_in_post(DECL_ARGS)
                   1823: {
                   1824:
1.46    ! kristaps 1825:        p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
1.1       kristaps 1826:        term_word(p, ">");
1.46    ! kristaps 1827:        p->flags &= ~ttypes[TTYPE_INCLUDE];
1.1       kristaps 1828:
                   1829:        if (SEC_SYNOPSIS != node->sec)
                   1830:                return;
1.22      kristaps 1831:
                   1832:        term_newln(p);
                   1833:        /*
                   1834:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1835:         * the SYNOPSIS section, then it produces a single break after
                   1836:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1837:         * construction is rarely used, I think it's fine.
                   1838:         */
1.1       kristaps 1839:        if (node->next && MDOC_In != node->next->tok)
                   1840:                term_vspace(p);
                   1841: }
                   1842:
                   1843:
                   1844: /* ARGSUSED */
                   1845: static int
1.45      kristaps 1846: termp_sp_pre(DECL_ARGS)
                   1847: {
                   1848:        int              i, len;
                   1849:
                   1850:        if (NULL == node->child) {
                   1851:                term_vspace(p);
                   1852:                return(0);
                   1853:        }
                   1854:
                   1855:        len = atoi(node->child->string);
                   1856:        if (0 == len)
                   1857:                term_newln(p);
                   1858:        for (i = 0; i < len; i++)
                   1859:                term_vspace(p);
                   1860:
                   1861:        return(0);
                   1862: }
                   1863:
                   1864:
                   1865: /* ARGSUSED */
                   1866: static int
1.44      kristaps 1867: termp_br_pre(DECL_ARGS)
                   1868: {
                   1869:
                   1870:        term_newln(p);
                   1871:        return(1);
                   1872: }
                   1873:
                   1874:
                   1875: /* ARGSUSED */
                   1876: static int
1.1       kristaps 1877: termp_brq_pre(DECL_ARGS)
                   1878: {
                   1879:
                   1880:        if (MDOC_BODY != node->type)
                   1881:                return(1);
                   1882:        term_word(p, "\\(lC");
                   1883:        p->flags |= TERMP_NOSPACE;
                   1884:        return(1);
                   1885: }
                   1886:
                   1887:
                   1888: /* ARGSUSED */
                   1889: static void
                   1890: termp_brq_post(DECL_ARGS)
                   1891: {
                   1892:
                   1893:        if (MDOC_BODY != node->type)
                   1894:                return;
                   1895:        p->flags |= TERMP_NOSPACE;
                   1896:        term_word(p, "\\(rC");
                   1897: }
                   1898:
                   1899:
                   1900: /* ARGSUSED */
                   1901: static int
                   1902: termp_bq_pre(DECL_ARGS)
                   1903: {
                   1904:
                   1905:        if (MDOC_BODY != node->type)
                   1906:                return(1);
                   1907:        term_word(p, "\\(lB");
                   1908:        p->flags |= TERMP_NOSPACE;
                   1909:        return(1);
                   1910: }
                   1911:
                   1912:
                   1913: /* ARGSUSED */
                   1914: static void
                   1915: termp_bq_post(DECL_ARGS)
                   1916: {
                   1917:
                   1918:        if (MDOC_BODY != node->type)
                   1919:                return;
                   1920:        p->flags |= TERMP_NOSPACE;
                   1921:        term_word(p, "\\(rB");
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static int
                   1927: termp_pq_pre(DECL_ARGS)
                   1928: {
                   1929:
                   1930:        if (MDOC_BODY != node->type)
                   1931:                return(1);
                   1932:        term_word(p, "\\&(");
                   1933:        p->flags |= TERMP_NOSPACE;
                   1934:        return(1);
                   1935: }
                   1936:
                   1937:
                   1938: /* ARGSUSED */
                   1939: static void
                   1940: termp_pq_post(DECL_ARGS)
                   1941: {
                   1942:
                   1943:        if (MDOC_BODY != node->type)
                   1944:                return;
                   1945:        term_word(p, ")");
                   1946: }
                   1947:
                   1948:
                   1949: /* ARGSUSED */
                   1950: static int
                   1951: termp_fo_pre(DECL_ARGS)
                   1952: {
                   1953:        const struct mdoc_node *n;
                   1954:
                   1955:        if (MDOC_BODY == node->type) {
1.33      kristaps 1956:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1957:                term_word(p, "(");
                   1958:                p->flags |= TERMP_NOSPACE;
                   1959:                return(1);
                   1960:        } else if (MDOC_HEAD != node->type)
                   1961:                return(1);
                   1962:
                   1963:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1964:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1965:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1966:                term_word(p, n->string);
                   1967:        }
                   1968:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1969:
                   1970:        return(0);
                   1971: }
                   1972:
                   1973:
                   1974: /* ARGSUSED */
                   1975: static void
                   1976: termp_fo_post(DECL_ARGS)
                   1977: {
                   1978:
                   1979:        if (MDOC_BODY != node->type)
                   1980:                return;
                   1981:        p->flags |= TERMP_NOSPACE;
                   1982:        term_word(p, ")");
                   1983:        p->flags |= TERMP_NOSPACE;
                   1984:        term_word(p, ";");
                   1985:        term_newln(p);
                   1986: }
                   1987:
                   1988:
                   1989: /* ARGSUSED */
                   1990: static int
                   1991: termp_bf_pre(DECL_ARGS)
                   1992: {
                   1993:        const struct mdoc_node  *n;
                   1994:
1.28      kristaps 1995:        if (MDOC_HEAD == node->type)
1.1       kristaps 1996:                return(0);
1.28      kristaps 1997:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 1998:                return(1);
                   1999:
                   2000:        if (NULL == (n = node->head->child)) {
                   2001:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 2002:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2003:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 2004:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2005:
                   2006:                return(1);
                   2007:        }
                   2008:
1.11      kristaps 2009:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2010:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2011:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2012:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2013:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2014:
                   2015:        return(1);
                   2016: }
                   2017:
                   2018:
                   2019: /* ARGSUSED */
                   2020: static int
                   2021: termp_sy_pre(DECL_ARGS)
                   2022: {
                   2023:
1.28      kristaps 2024:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2025:        return(1);
                   2026: }
                   2027:
                   2028:
                   2029: /* ARGSUSED */
                   2030: static int
                   2031: termp_ms_pre(DECL_ARGS)
                   2032: {
                   2033:
1.28      kristaps 2034:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2035:        return(1);
                   2036: }
                   2037:
                   2038:
                   2039:
                   2040: /* ARGSUSED */
                   2041: static int
                   2042: termp_sm_pre(DECL_ARGS)
                   2043: {
                   2044:
1.11      kristaps 2045:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2046:        if (0 == strcmp("on", node->child->string)) {
                   2047:                p->flags &= ~TERMP_NONOSPACE;
                   2048:                p->flags &= ~TERMP_NOSPACE;
                   2049:        } else
                   2050:                p->flags |= TERMP_NONOSPACE;
                   2051:
                   2052:        return(0);
                   2053: }
                   2054:
                   2055:
                   2056: /* ARGSUSED */
                   2057: static int
                   2058: termp_ap_pre(DECL_ARGS)
                   2059: {
                   2060:
                   2061:        p->flags |= TERMP_NOSPACE;
                   2062:        term_word(p, "\\(aq");
                   2063:        p->flags |= TERMP_NOSPACE;
                   2064:        return(1);
                   2065: }
                   2066:
                   2067:
                   2068: /* ARGSUSED */
                   2069: static int
                   2070: termp__j_pre(DECL_ARGS)
                   2071: {
                   2072:
1.28      kristaps 2073:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2074:        return(1);
                   2075: }
                   2076:
                   2077:
                   2078: /* ARGSUSED */
                   2079: static int
                   2080: termp__t_pre(DECL_ARGS)
                   2081: {
                   2082:
                   2083:        term_word(p, "\"");
                   2084:        p->flags |= TERMP_NOSPACE;
                   2085:        return(1);
                   2086: }
                   2087:
                   2088:
                   2089: /* ARGSUSED */
                   2090: static void
                   2091: termp__t_post(DECL_ARGS)
                   2092: {
                   2093:
                   2094:        p->flags |= TERMP_NOSPACE;
                   2095:        term_word(p, "\"");
                   2096:        termp____post(p, pair, meta, node);
                   2097: }
                   2098:
                   2099:
                   2100: /* ARGSUSED */
                   2101: static void
                   2102: termp____post(DECL_ARGS)
                   2103: {
                   2104:
                   2105:        p->flags |= TERMP_NOSPACE;
                   2106:        term_word(p, node->next ? "," : ".");
                   2107: }
                   2108:
                   2109:
                   2110: /* ARGSUSED */
                   2111: static int
                   2112: termp_lk_pre(DECL_ARGS)
                   2113: {
                   2114:        const struct mdoc_node *n;
                   2115:
1.11      kristaps 2116:        assert(node->child);
                   2117:        n = node->child;
1.1       kristaps 2118:
1.12      kristaps 2119:        if (NULL == n->next) {
1.28      kristaps 2120:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2121:                return(1);
                   2122:        }
                   2123:
1.1       kristaps 2124:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2125:        term_word(p, n->string);
                   2126:        p->flags |= TERMP_NOSPACE;
                   2127:        term_word(p, ":");
1.12      kristaps 2128:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2129:
                   2130:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2131:        for (n = n->next; n; n = n->next)
1.1       kristaps 2132:                term_word(p, n->string);
1.12      kristaps 2133:
1.1       kristaps 2134:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2135:        return(0);
                   2136: }
                   2137:
                   2138:
                   2139: /* ARGSUSED */
                   2140: static int
                   2141: termp_mt_pre(DECL_ARGS)
                   2142: {
                   2143:
1.28      kristaps 2144:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2145:        return(1);
                   2146: }
                   2147:
                   2148:

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