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Annotation of mandoc/mdoc_term.c, Revision 1.49

1.49    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.48 2009/07/20 15:05:34 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);
1.48      kristaps  675:        /* XXX - not documented! */
                    676:        else if (arg_hasattr(MDOC_Column, bl))
                    677:                return(1);
1.1       kristaps  678:
                    679:        for (n = node; n; n = n->parent) {
                    680:                if (MDOC_BLOCK != n->type)
                    681:                        continue;
                    682:                if (MDOC_Ss == n->tok)
                    683:                        break;
                    684:                if (MDOC_Sh == n->tok)
                    685:                        break;
                    686:                if (NULL == n->prev)
                    687:                        continue;
                    688:                term_vspace(p);
                    689:                break;
                    690:        }
                    691:
                    692:        return(1);
                    693: }
                    694:
                    695:
                    696: /* ARGSUSED */
                    697: static int
                    698: termp_dq_pre(DECL_ARGS)
                    699: {
                    700:
                    701:        if (MDOC_BODY != node->type)
                    702:                return(1);
                    703:
                    704:        term_word(p, "\\(lq");
                    705:        p->flags |= TERMP_NOSPACE;
                    706:        return(1);
                    707: }
                    708:
                    709:
                    710: /* ARGSUSED */
                    711: static void
                    712: termp_dq_post(DECL_ARGS)
                    713: {
                    714:
                    715:        if (MDOC_BODY != node->type)
                    716:                return;
                    717:
                    718:        p->flags |= TERMP_NOSPACE;
                    719:        term_word(p, "\\(rq");
                    720: }
                    721:
                    722:
                    723: /* ARGSUSED */
                    724: static int
                    725: termp_it_pre(DECL_ARGS)
                    726: {
                    727:        const struct mdoc_node *bl, *n;
                    728:        char                    buf[7];
1.39      kristaps  729:        int                     i, type, keys[3], vals[3];
1.1       kristaps  730:        size_t                  width, offset;
                    731:
                    732:        if (MDOC_BLOCK == node->type)
                    733:                return(fmt_block_vspace(p, node->parent->parent, node));
                    734:
                    735:        bl = node->parent->parent->parent;
                    736:
                    737:        /* Save parent attributes. */
                    738:
                    739:        pair->flag = p->flags;
                    740:
                    741:        /* Get list width and offset. */
                    742:
                    743:        keys[0] = MDOC_Width;
                    744:        keys[1] = MDOC_Offset;
                    745:        keys[2] = MDOC_Column;
                    746:
                    747:        vals[0] = vals[1] = vals[2] = -1;
                    748:
                    749:        width = offset = 0;
                    750:
                    751:        (void)arg_getattrs(keys, vals, 3, bl);
                    752:
                    753:        type = arg_listtype(bl);
1.38      kristaps  754:        assert(-1 != type);
1.1       kristaps  755:
                    756:        /* Calculate real width and offset. */
                    757:
                    758:        switch (type) {
                    759:        case (MDOC_Column):
                    760:                if (MDOC_BODY == node->type)
                    761:                        break;
                    762:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    763:                        offset += arg_width
                    764:                                (&bl->args->argv[vals[2]], i);
                    765:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    766:                width = arg_width(&bl->args->argv[vals[2]], i);
                    767:                if (vals[1] >= 0)
                    768:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    769:                break;
                    770:        default:
                    771:                if (vals[0] >= 0)
                    772:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    773:                if (vals[1] >= 0)
1.19      kristaps  774:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  775:                break;
                    776:        }
                    777:
                    778:        /*
                    779:         * List-type can override the width in the case of fixed-head
                    780:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.38      kristaps  781:         * offset.  FIXME: double-check that correct.
1.1       kristaps  782:         */
                    783:
                    784:        switch (type) {
                    785:        case (MDOC_Bullet):
                    786:                /* FALLTHROUGH */
                    787:        case (MDOC_Dash):
                    788:                /* FALLTHROUGH */
                    789:        case (MDOC_Hyphen):
                    790:                if (width < 4)
                    791:                        width = 4;
                    792:                break;
1.17      kristaps  793:        case (MDOC_Enum):
                    794:                if (width < 5)
                    795:                        width = 5;
                    796:                break;
1.38      kristaps  797:        case (MDOC_Hang):
1.39      kristaps  798:                if (0 == width)
                    799:                        width = 8;
                    800:                break;
1.49    ! kristaps  801:        case (MDOC_Column):
        !           802:                /* FALLTHROUGH */
1.1       kristaps  803:        case (MDOC_Tag):
                    804:                if (0 == width)
                    805:                        width = 10;
                    806:                break;
                    807:        default:
                    808:                break;
                    809:        }
                    810:
                    811:        /*
1.17      kristaps  812:         * Whitespace control.  Inset bodies need an initial space,
                    813:         * while diagonal bodies need two.
1.1       kristaps  814:         */
                    815:
                    816:        switch (type) {
                    817:        case (MDOC_Inset):
                    818:                if (MDOC_BODY == node->type)
                    819:                        p->flags &= ~TERMP_NOSPACE;
                    820:                else
                    821:                        p->flags |= TERMP_NOSPACE;
                    822:                break;
                    823:        default:
                    824:                p->flags |= TERMP_NOSPACE;
                    825:                break;
                    826:        }
                    827:
                    828:        /*
                    829:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    830:         */
                    831:
                    832:        switch (type) {
                    833:        case (MDOC_Diag):
                    834:                if (MDOC_HEAD == node->type)
                    835:                        p->flags |= ttypes[TTYPE_DIAG];
                    836:                break;
                    837:        default:
                    838:                break;
                    839:        }
                    840:
                    841:        /*
                    842:         * Pad and break control.  This is the tricker part.  Lists with
                    843:         * set right-margins for the head get TERMP_NOBREAK because, if
                    844:         * they overrun the margin, they wrap to the new margin.
                    845:         * Correspondingly, the body for these types don't left-pad, as
                    846:         * the head will pad out to to the right.
                    847:         */
                    848:
                    849:        switch (type) {
                    850:        case (MDOC_Bullet):
                    851:                /* FALLTHROUGH */
                    852:        case (MDOC_Dash):
                    853:                /* FALLTHROUGH */
                    854:        case (MDOC_Enum):
                    855:                /* FALLTHROUGH */
                    856:        case (MDOC_Hyphen):
1.39      kristaps  857:                if (MDOC_HEAD == node->type)
                    858:                        p->flags |= TERMP_NOBREAK;
                    859:                else
                    860:                        p->flags |= TERMP_NOLPAD;
                    861:                break;
1.38      kristaps  862:        case (MDOC_Hang):
1.39      kristaps  863:                if (MDOC_HEAD == node->type)
                    864:                        p->flags |= TERMP_NOBREAK;
                    865:                else
                    866:                        p->flags |= TERMP_NOLPAD;
                    867:
                    868:                if (MDOC_HEAD == node->type)
                    869:                        p->flags |= TERMP_HANG;
                    870:                break;
1.1       kristaps  871:        case (MDOC_Tag):
                    872:                if (MDOC_HEAD == node->type)
                    873:                        p->flags |= TERMP_NOBREAK;
                    874:                else
                    875:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  876:
1.39      kristaps  877:                if (MDOC_HEAD != node->type)
                    878:                        break;
                    879:                if (NULL == node->next || NULL == node->next->child)
                    880:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  881:                break;
                    882:        case (MDOC_Column):
                    883:                if (MDOC_HEAD == node->type) {
                    884:                        assert(node->next);
                    885:                        if (MDOC_BODY == node->next->type)
                    886:                                p->flags &= ~TERMP_NOBREAK;
                    887:                        else
                    888:                                p->flags |= TERMP_NOBREAK;
                    889:                        if (node->prev)
                    890:                                p->flags |= TERMP_NOLPAD;
                    891:                }
                    892:                break;
                    893:        case (MDOC_Diag):
                    894:                if (MDOC_HEAD == node->type)
                    895:                        p->flags |= TERMP_NOBREAK;
                    896:                break;
                    897:        default:
                    898:                break;
                    899:        }
                    900:
                    901:        /*
                    902:         * Margin control.  Set-head-width lists have their right
                    903:         * margins shortened.  The body for these lists has the offset
                    904:         * necessarily lengthened.  Everybody gets the offset.
                    905:         */
                    906:
                    907:        p->offset += offset;
                    908:
                    909:        switch (type) {
                    910:        case (MDOC_Bullet):
                    911:                /* FALLTHROUGH */
                    912:        case (MDOC_Dash):
                    913:                /* FALLTHROUGH */
                    914:        case (MDOC_Enum):
                    915:                /* FALLTHROUGH */
                    916:        case (MDOC_Hyphen):
                    917:                /* FALLTHROUGH */
1.38      kristaps  918:        case (MDOC_Hang):
                    919:                /* FALLTHROUGH */
1.1       kristaps  920:        case (MDOC_Tag):
1.49    ! kristaps  921:                assert(width);
1.1       kristaps  922:                if (MDOC_HEAD == node->type)
                    923:                        p->rmargin = p->offset + width;
                    924:                else
                    925:                        p->offset += width;
                    926:                break;
                    927:        case (MDOC_Column):
1.49    ! kristaps  928:                assert(width);
1.1       kristaps  929:                p->rmargin = p->offset + width;
                    930:                break;
                    931:        default:
                    932:                break;
                    933:        }
                    934:
                    935:        /*
                    936:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  937:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  938:         */
                    939:
                    940:        if (MDOC_HEAD == node->type)
                    941:                switch (type) {
                    942:                case (MDOC_Bullet):
1.15      kristaps  943:                        p->flags |= TERMP_BOLD;
1.1       kristaps  944:                        term_word(p, "\\[bu]");
1.39      kristaps  945:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  946:                        break;
                    947:                case (MDOC_Dash):
                    948:                        /* FALLTHROUGH */
                    949:                case (MDOC_Hyphen):
1.15      kristaps  950:                        p->flags |= TERMP_BOLD;
1.27      kristaps  951:                        term_word(p, "\\(hy");
1.39      kristaps  952:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  953:                        break;
                    954:                case (MDOC_Enum):
                    955:                        (pair->ppair->ppair->count)++;
                    956:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    957:                                        pair->ppair->ppair->count);
                    958:                        term_word(p, buf);
                    959:                        break;
                    960:                default:
                    961:                        break;
                    962:                }
                    963:
                    964:        /*
                    965:         * If we're not going to process our children, indicate so here.
                    966:         */
                    967:
                    968:        switch (type) {
                    969:        case (MDOC_Bullet):
                    970:                /* FALLTHROUGH */
                    971:        case (MDOC_Item):
                    972:                /* FALLTHROUGH */
                    973:        case (MDOC_Dash):
                    974:                /* FALLTHROUGH */
                    975:        case (MDOC_Hyphen):
                    976:                /* FALLTHROUGH */
                    977:        case (MDOC_Enum):
                    978:                if (MDOC_HEAD == node->type)
                    979:                        return(0);
                    980:                break;
                    981:        case (MDOC_Column):
                    982:                if (MDOC_BODY == node->type)
                    983:                        return(0);
                    984:                break;
                    985:        default:
                    986:                break;
                    987:        }
                    988:
                    989:        return(1);
                    990: }
                    991:
                    992:
                    993: /* ARGSUSED */
                    994: static void
                    995: termp_it_post(DECL_ARGS)
                    996: {
                    997:        int                type;
                    998:
                    999:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1000:                return;
                   1001:
                   1002:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1003:        assert(-1 != type);
1.1       kristaps 1004:
                   1005:        switch (type) {
                   1006:        case (MDOC_Diag):
1.43      kristaps 1007:                term_word(p, "\\ ");
1.1       kristaps 1008:                /* FALLTHROUGH */
                   1009:        case (MDOC_Item):
                   1010:                /* FALLTHROUGH */
                   1011:        case (MDOC_Inset):
                   1012:                if (MDOC_BODY == node->type)
                   1013:                        term_flushln(p);
                   1014:                break;
                   1015:        case (MDOC_Column):
                   1016:                if (MDOC_HEAD == node->type)
                   1017:                        term_flushln(p);
                   1018:                break;
                   1019:        default:
                   1020:                term_flushln(p);
                   1021:                break;
                   1022:        }
                   1023:
                   1024:        p->flags = pair->flag;
                   1025: }
                   1026:
                   1027:
                   1028: /* ARGSUSED */
                   1029: static int
                   1030: termp_nm_pre(DECL_ARGS)
                   1031: {
                   1032:
                   1033:        if (SEC_SYNOPSIS == node->sec)
                   1034:                term_newln(p);
                   1035:
1.28      kristaps 1036:        pair->flag |= ttypes[TTYPE_PROG];
                   1037:        p->flags |= ttypes[TTYPE_PROG];
                   1038:
1.1       kristaps 1039:        if (NULL == node->child)
                   1040:                term_word(p, meta->name);
                   1041:
                   1042:        return(1);
                   1043: }
                   1044:
                   1045:
                   1046: /* ARGSUSED */
                   1047: static int
                   1048: termp_fl_pre(DECL_ARGS)
                   1049: {
                   1050:
1.28      kristaps 1051:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1052:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1053:        term_word(p, "\\-");
                   1054:        p->flags |= TERMP_NOSPACE;
                   1055:        return(1);
                   1056: }
                   1057:
                   1058:
                   1059: /* ARGSUSED */
                   1060: static int
                   1061: termp_ar_pre(DECL_ARGS)
                   1062: {
                   1063:
1.28      kristaps 1064:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1065:        return(1);
                   1066: }
                   1067:
                   1068:
                   1069: /* ARGSUSED */
                   1070: static int
                   1071: termp_ns_pre(DECL_ARGS)
                   1072: {
                   1073:
                   1074:        p->flags |= TERMP_NOSPACE;
                   1075:        return(1);
                   1076: }
                   1077:
                   1078:
                   1079: /* ARGSUSED */
                   1080: static int
                   1081: termp_pp_pre(DECL_ARGS)
                   1082: {
                   1083:
                   1084:        term_vspace(p);
                   1085:        return(1);
                   1086: }
                   1087:
                   1088:
                   1089: /* ARGSUSED */
                   1090: static int
                   1091: termp_rs_pre(DECL_ARGS)
                   1092: {
                   1093:
                   1094:        if (MDOC_BLOCK == node->type && node->prev)
                   1095:                term_vspace(p);
                   1096:        return(1);
                   1097: }
                   1098:
                   1099:
                   1100: /* ARGSUSED */
                   1101: static int
                   1102: termp_rv_pre(DECL_ARGS)
                   1103: {
                   1104:        int              i;
                   1105:
1.34      kristaps 1106:        i = arg_getattr(MDOC_Std, node);
                   1107:        assert(-1 != i);
                   1108:        assert(node->args->argv[i].sz);
1.1       kristaps 1109:
                   1110:        term_newln(p);
                   1111:        term_word(p, "The");
                   1112:
                   1113:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1114:        term_word(p, *node->args->argv[i].value);
                   1115:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1116:        p->flags |= TERMP_NOSPACE;
                   1117:
                   1118:                term_word(p, "() function returns the value 0 if successful;");
                   1119:                term_word(p, "otherwise the value -1 is returned and the");
                   1120:                term_word(p, "global variable");
                   1121:
                   1122:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1123:        term_word(p, "errno");
                   1124:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1125:
                   1126:                term_word(p, "is set to indicate the error.");
                   1127:
                   1128:        return(1);
                   1129: }
                   1130:
                   1131:
                   1132: /* ARGSUSED */
                   1133: static int
                   1134: termp_ex_pre(DECL_ARGS)
                   1135: {
                   1136:        int              i;
                   1137:
1.34      kristaps 1138:        i = arg_getattr(MDOC_Std, node);
                   1139:        assert(-1 != i);
                   1140:        assert(node->args->argv[i].sz);
1.1       kristaps 1141:
                   1142:        term_word(p, "The");
                   1143:        p->flags |= ttypes[TTYPE_PROG];
                   1144:        term_word(p, *node->args->argv[i].value);
                   1145:        p->flags &= ~ttypes[TTYPE_PROG];
                   1146:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1147:
                   1148:        return(1);
                   1149: }
                   1150:
                   1151:
                   1152: /* ARGSUSED */
                   1153: static int
                   1154: termp_nd_pre(DECL_ARGS)
                   1155: {
1.25      kristaps 1156:
                   1157:        if (MDOC_BODY != node->type)
                   1158:                return(1);
1.30      kristaps 1159:
1.27      kristaps 1160: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1161:        term_word(p, "\\(en");
1.23      kristaps 1162: #else
                   1163:        term_word(p, "\\(em");
                   1164: #endif
1.1       kristaps 1165:        return(1);
                   1166: }
                   1167:
                   1168:
                   1169: /* ARGSUSED */
                   1170: static void
                   1171: termp_bl_post(DECL_ARGS)
                   1172: {
                   1173:
                   1174:        if (MDOC_BLOCK == node->type)
                   1175:                term_newln(p);
                   1176: }
                   1177:
                   1178:
                   1179: /* ARGSUSED */
                   1180: static void
                   1181: termp_op_post(DECL_ARGS)
                   1182: {
                   1183:
                   1184:        if (MDOC_BODY != node->type)
                   1185:                return;
                   1186:        p->flags |= TERMP_NOSPACE;
                   1187:        term_word(p, "\\(rB");
                   1188: }
                   1189:
                   1190:
                   1191: /* ARGSUSED */
                   1192: static int
                   1193: termp_xr_pre(DECL_ARGS)
                   1194: {
                   1195:        const struct mdoc_node *n;
                   1196:
1.11      kristaps 1197:        assert(node->child && MDOC_TEXT == node->child->type);
                   1198:        n = node->child;
                   1199:
1.1       kristaps 1200:        term_word(p, n->string);
                   1201:        if (NULL == (n = n->next))
                   1202:                return(0);
                   1203:        p->flags |= TERMP_NOSPACE;
                   1204:        term_word(p, "(");
                   1205:        p->flags |= TERMP_NOSPACE;
                   1206:        term_word(p, n->string);
                   1207:        p->flags |= TERMP_NOSPACE;
                   1208:        term_word(p, ")");
                   1209:        return(0);
                   1210: }
                   1211:
                   1212:
                   1213: /* ARGSUSED */
                   1214: static int
                   1215: termp_vt_pre(DECL_ARGS)
                   1216: {
                   1217:
                   1218:        /* FIXME: this can be "type name". */
1.29      kristaps 1219:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1220:        return(1);
                   1221: }
                   1222:
                   1223:
                   1224: /* ARGSUSED */
                   1225: static void
                   1226: termp_vt_post(DECL_ARGS)
                   1227: {
                   1228:
1.32      kristaps 1229:        if (node->sec != SEC_SYNOPSIS)
                   1230:                return;
                   1231:        if (node->next && MDOC_Vt == node->next->tok)
                   1232:                term_newln(p);
                   1233:        else if (node->next)
1.1       kristaps 1234:                term_vspace(p);
                   1235: }
                   1236:
                   1237:
                   1238: /* ARGSUSED */
                   1239: static int
                   1240: termp_fd_pre(DECL_ARGS)
                   1241: {
                   1242:
1.29      kristaps 1243:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1244:        return(1);
                   1245: }
                   1246:
                   1247:
                   1248: /* ARGSUSED */
                   1249: static void
                   1250: termp_fd_post(DECL_ARGS)
                   1251: {
                   1252:
                   1253:        if (node->sec != SEC_SYNOPSIS)
                   1254:                return;
1.29      kristaps 1255:
1.1       kristaps 1256:        term_newln(p);
                   1257:        if (node->next && MDOC_Fd != node->next->tok)
                   1258:                term_vspace(p);
                   1259: }
                   1260:
                   1261:
                   1262: /* ARGSUSED */
                   1263: static int
                   1264: termp_sh_pre(DECL_ARGS)
                   1265: {
                   1266:
                   1267:        switch (node->type) {
                   1268:        case (MDOC_HEAD):
                   1269:                term_vspace(p);
1.28      kristaps 1270:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1271:                break;
                   1272:        case (MDOC_BODY):
                   1273:                p->offset = INDENT;
                   1274:                break;
                   1275:        default:
                   1276:                break;
                   1277:        }
                   1278:        return(1);
                   1279: }
                   1280:
                   1281:
                   1282: /* ARGSUSED */
                   1283: static void
                   1284: termp_sh_post(DECL_ARGS)
                   1285: {
                   1286:
                   1287:        switch (node->type) {
                   1288:        case (MDOC_HEAD):
                   1289:                term_newln(p);
                   1290:                break;
                   1291:        case (MDOC_BODY):
                   1292:                term_newln(p);
                   1293:                p->offset = 0;
                   1294:                break;
                   1295:        default:
                   1296:                break;
                   1297:        }
                   1298: }
                   1299:
                   1300:
                   1301: /* ARGSUSED */
                   1302: static int
                   1303: termp_op_pre(DECL_ARGS)
                   1304: {
                   1305:
                   1306:        switch (node->type) {
                   1307:        case (MDOC_BODY):
                   1308:                term_word(p, "\\(lB");
                   1309:                p->flags |= TERMP_NOSPACE;
                   1310:                break;
                   1311:        default:
                   1312:                break;
                   1313:        }
                   1314:        return(1);
                   1315: }
                   1316:
                   1317:
                   1318: /* ARGSUSED */
                   1319: static int
                   1320: termp_bt_pre(DECL_ARGS)
                   1321: {
                   1322:
                   1323:        term_word(p, "is currently in beta test.");
                   1324:        return(1);
                   1325: }
                   1326:
                   1327:
                   1328: /* ARGSUSED */
                   1329: static void
                   1330: termp_lb_post(DECL_ARGS)
                   1331: {
                   1332:
                   1333:        term_newln(p);
                   1334: }
                   1335:
                   1336:
                   1337: /* ARGSUSED */
                   1338: static int
                   1339: termp_ud_pre(DECL_ARGS)
                   1340: {
                   1341:
                   1342:        term_word(p, "currently under development.");
                   1343:        return(1);
                   1344: }
                   1345:
                   1346:
                   1347: /* ARGSUSED */
                   1348: static int
                   1349: termp_d1_pre(DECL_ARGS)
                   1350: {
                   1351:
1.4       kristaps 1352:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1353:                return(1);
                   1354:        term_newln(p);
1.29      kristaps 1355:        p->offset += (INDENT + 1);
1.1       kristaps 1356:        return(1);
                   1357: }
                   1358:
                   1359:
                   1360: /* ARGSUSED */
                   1361: static void
                   1362: termp_d1_post(DECL_ARGS)
                   1363: {
                   1364:
1.4       kristaps 1365:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1366:                return;
                   1367:        term_newln(p);
                   1368: }
                   1369:
                   1370:
                   1371: /* ARGSUSED */
                   1372: static int
                   1373: termp_aq_pre(DECL_ARGS)
                   1374: {
                   1375:
                   1376:        if (MDOC_BODY != node->type)
                   1377:                return(1);
                   1378:        term_word(p, "\\(la");
                   1379:        p->flags |= TERMP_NOSPACE;
                   1380:        return(1);
                   1381: }
                   1382:
                   1383:
                   1384: /* ARGSUSED */
                   1385: static void
                   1386: termp_aq_post(DECL_ARGS)
                   1387: {
                   1388:
                   1389:        if (MDOC_BODY != node->type)
                   1390:                return;
                   1391:        p->flags |= TERMP_NOSPACE;
                   1392:        term_word(p, "\\(ra");
                   1393: }
                   1394:
                   1395:
                   1396: /* ARGSUSED */
                   1397: static int
                   1398: termp_ft_pre(DECL_ARGS)
                   1399: {
                   1400:
                   1401:        if (SEC_SYNOPSIS == node->sec)
                   1402:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1403:                        term_vspace(p);
1.28      kristaps 1404:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1405:        return(1);
                   1406: }
                   1407:
                   1408:
                   1409: /* ARGSUSED */
                   1410: static void
                   1411: termp_ft_post(DECL_ARGS)
                   1412: {
                   1413:
                   1414:        if (SEC_SYNOPSIS == node->sec)
                   1415:                term_newln(p);
                   1416: }
                   1417:
                   1418:
                   1419: /* ARGSUSED */
                   1420: static int
                   1421: termp_fn_pre(DECL_ARGS)
                   1422: {
                   1423:        const struct mdoc_node *n;
                   1424:
1.11      kristaps 1425:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1426:
                   1427:        /* FIXME: can be "type funcname" "type varname"... */
                   1428:
                   1429:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1430:        term_word(p, node->child->string);
                   1431:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1432:
                   1433:        p->flags |= TERMP_NOSPACE;
                   1434:        term_word(p, "(");
                   1435:
                   1436:        for (n = node->child->next; n; n = n->next) {
                   1437:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1438:                term_word(p, n->string);
                   1439:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1440:                if (n->next)
                   1441:                        term_word(p, ",");
                   1442:        }
                   1443:
                   1444:        term_word(p, ")");
                   1445:
                   1446:        if (SEC_SYNOPSIS == node->sec)
                   1447:                term_word(p, ";");
                   1448:
                   1449:        return(0);
                   1450: }
                   1451:
                   1452:
                   1453: /* ARGSUSED */
                   1454: static void
                   1455: termp_fn_post(DECL_ARGS)
                   1456: {
                   1457:
                   1458:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1459:                term_vspace(p);
                   1460: }
                   1461:
                   1462:
                   1463: /* ARGSUSED */
                   1464: static int
                   1465: termp_sx_pre(DECL_ARGS)
                   1466: {
                   1467:
1.28      kristaps 1468:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1469:        return(1);
                   1470: }
                   1471:
                   1472:
                   1473: /* ARGSUSED */
                   1474: static int
                   1475: termp_fa_pre(DECL_ARGS)
                   1476: {
                   1477:        struct mdoc_node *n;
                   1478:
                   1479:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1480:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1481:                return(1);
                   1482:        }
                   1483:
                   1484:        for (n = node->child; n; n = n->next) {
                   1485:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1486:                term_word(p, n->string);
                   1487:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1488:                if (n->next)
                   1489:                        term_word(p, ",");
                   1490:        }
                   1491:
                   1492:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1493:                term_word(p, ",");
                   1494:
                   1495:        return(0);
                   1496: }
                   1497:
                   1498:
                   1499: /* ARGSUSED */
                   1500: static int
                   1501: termp_va_pre(DECL_ARGS)
                   1502: {
                   1503:
1.28      kristaps 1504:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1505:        return(1);
                   1506: }
                   1507:
                   1508:
                   1509: /* ARGSUSED */
                   1510: static int
                   1511: termp_bd_pre(DECL_ARGS)
                   1512: {
                   1513:        int              i, type, ln;
                   1514:
                   1515:        /*
                   1516:         * This is fairly tricky due primarily to crappy documentation.
                   1517:         * If -ragged or -filled are specified, the block does nothing
                   1518:         * but change the indentation.
                   1519:         *
                   1520:         * If, on the other hand, -unfilled or -literal are specified,
                   1521:         * then the game changes.  Text is printed exactly as entered in
                   1522:         * the display: if a macro line, a newline is appended to the
                   1523:         * line.  Blank lines are allowed.
                   1524:         */
                   1525:
                   1526:        if (MDOC_BLOCK == node->type)
                   1527:                return(fmt_block_vspace(p, node, node));
                   1528:        else if (MDOC_BODY != node->type)
                   1529:                return(1);
                   1530:
1.11      kristaps 1531:        /* FIXME: display type should be mandated by parser. */
                   1532:
1.1       kristaps 1533:        if (NULL == node->parent->args)
                   1534:                errx(1, "missing display type");
                   1535:
                   1536:        for (type = -1, i = 0;
                   1537:                        i < (int)node->parent->args->argc; i++) {
                   1538:                switch (node->parent->args->argv[i].arg) {
                   1539:                case (MDOC_Ragged):
                   1540:                        /* FALLTHROUGH */
                   1541:                case (MDOC_Filled):
                   1542:                        /* FALLTHROUGH */
                   1543:                case (MDOC_Unfilled):
                   1544:                        /* FALLTHROUGH */
                   1545:                case (MDOC_Literal):
                   1546:                        type = node->parent->args->argv[i].arg;
                   1547:                        i = (int)node->parent->args->argc;
                   1548:                        break;
                   1549:                default:
                   1550:                        break;
                   1551:                }
                   1552:        }
                   1553:
                   1554:        if (NULL == node->parent->args)
                   1555:                errx(1, "missing display type");
                   1556:
                   1557:        i = arg_getattr(MDOC_Offset, node->parent);
                   1558:        if (-1 != i) {
                   1559:                if (1 != node->parent->args->argv[i].sz)
                   1560:                        errx(1, "expected single value");
                   1561:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1562:        }
                   1563:
                   1564:        switch (type) {
                   1565:        case (MDOC_Literal):
                   1566:                /* FALLTHROUGH */
                   1567:        case (MDOC_Unfilled):
                   1568:                break;
                   1569:        default:
                   1570:                return(1);
                   1571:        }
                   1572:
                   1573:        /*
                   1574:         * Tricky.  Iterate through all children.  If we're on a
                   1575:         * different parse line, append a newline and then the contents.
                   1576:         * Ew.
                   1577:         */
                   1578:
                   1579:        ln = node->child ? node->child->line : 0;
                   1580:
                   1581:        for (node = node->child; node; node = node->next) {
                   1582:                if (ln < node->line) {
                   1583:                        term_flushln(p);
                   1584:                        p->flags |= TERMP_NOSPACE;
                   1585:                }
                   1586:                ln = node->line;
                   1587:                print_node(p, pair, meta, node);
                   1588:        }
                   1589:
                   1590:        return(0);
                   1591: }
                   1592:
                   1593:
                   1594: /* ARGSUSED */
                   1595: static void
                   1596: termp_bd_post(DECL_ARGS)
                   1597: {
                   1598:
                   1599:        if (MDOC_BODY != node->type)
                   1600:                return;
                   1601:        term_flushln(p);
                   1602: }
                   1603:
                   1604:
                   1605: /* ARGSUSED */
                   1606: static int
                   1607: termp_qq_pre(DECL_ARGS)
                   1608: {
                   1609:
                   1610:        if (MDOC_BODY != node->type)
                   1611:                return(1);
                   1612:        term_word(p, "\"");
                   1613:        p->flags |= TERMP_NOSPACE;
                   1614:        return(1);
                   1615: }
                   1616:
                   1617:
                   1618: /* ARGSUSED */
                   1619: static void
                   1620: termp_qq_post(DECL_ARGS)
                   1621: {
                   1622:
                   1623:        if (MDOC_BODY != node->type)
                   1624:                return;
                   1625:        p->flags |= TERMP_NOSPACE;
                   1626:        term_word(p, "\"");
                   1627: }
                   1628:
                   1629:
                   1630: /* ARGSUSED */
                   1631: static void
                   1632: termp_bx_post(DECL_ARGS)
                   1633: {
                   1634:
                   1635:        if (node->child)
                   1636:                p->flags |= TERMP_NOSPACE;
                   1637:        term_word(p, "BSD");
                   1638: }
                   1639:
                   1640:
                   1641: /* ARGSUSED */
                   1642: static int
1.26      kristaps 1643: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1644: {
1.26      kristaps 1645:        const char      *pp;
1.1       kristaps 1646:
1.26      kristaps 1647:        pp = NULL;
                   1648:        switch (node->tok) {
                   1649:        case (MDOC_Bsx):
                   1650:                pp = "BSDI BSD/OS";
                   1651:                break;
                   1652:        case (MDOC_Dx):
                   1653:                pp = "DragonFlyBSD";
                   1654:                break;
                   1655:        case (MDOC_Fx):
                   1656:                pp = "FreeBSD";
                   1657:                break;
                   1658:        case (MDOC_Nx):
                   1659:                pp = "NetBSD";
                   1660:                break;
                   1661:        case (MDOC_Ox):
                   1662:                pp = "OpenBSD";
                   1663:                break;
                   1664:        case (MDOC_Ux):
                   1665:                pp = "UNIX";
                   1666:                break;
                   1667:        default:
                   1668:                break;
                   1669:        }
1.1       kristaps 1670:
1.26      kristaps 1671:        assert(pp);
                   1672:        term_word(p, pp);
1.1       kristaps 1673:        return(1);
                   1674: }
                   1675:
                   1676:
                   1677: /* ARGSUSED */
                   1678: static int
                   1679: termp_sq_pre(DECL_ARGS)
                   1680: {
                   1681:
                   1682:        if (MDOC_BODY != node->type)
                   1683:                return(1);
                   1684:        term_word(p, "\\(oq");
                   1685:        p->flags |= TERMP_NOSPACE;
                   1686:        return(1);
                   1687: }
                   1688:
                   1689:
                   1690: /* ARGSUSED */
                   1691: static void
                   1692: termp_sq_post(DECL_ARGS)
                   1693: {
                   1694:
                   1695:        if (MDOC_BODY != node->type)
                   1696:                return;
                   1697:        p->flags |= TERMP_NOSPACE;
                   1698:        term_word(p, "\\(aq");
                   1699: }
                   1700:
                   1701:
                   1702: /* ARGSUSED */
                   1703: static int
                   1704: termp_pf_pre(DECL_ARGS)
                   1705: {
                   1706:
                   1707:        p->flags |= TERMP_IGNDELIM;
                   1708:        return(1);
                   1709: }
                   1710:
                   1711:
                   1712: /* ARGSUSED */
                   1713: static void
                   1714: termp_pf_post(DECL_ARGS)
                   1715: {
                   1716:
                   1717:        p->flags &= ~TERMP_IGNDELIM;
                   1718:        p->flags |= TERMP_NOSPACE;
                   1719: }
                   1720:
                   1721:
                   1722: /* ARGSUSED */
                   1723: static int
                   1724: termp_ss_pre(DECL_ARGS)
                   1725: {
                   1726:
                   1727:        switch (node->type) {
                   1728:        case (MDOC_BLOCK):
                   1729:                term_newln(p);
                   1730:                if (node->prev)
                   1731:                        term_vspace(p);
                   1732:                break;
                   1733:        case (MDOC_HEAD):
1.28      kristaps 1734:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1735:                p->offset = HALFINDENT;
1.1       kristaps 1736:                break;
                   1737:        default:
                   1738:                break;
                   1739:        }
                   1740:
                   1741:        return(1);
                   1742: }
                   1743:
                   1744:
                   1745: /* ARGSUSED */
                   1746: static void
                   1747: termp_ss_post(DECL_ARGS)
                   1748: {
                   1749:
1.29      kristaps 1750:        if (MDOC_HEAD == node->type)
1.1       kristaps 1751:                term_newln(p);
                   1752: }
                   1753:
                   1754:
                   1755: /* ARGSUSED */
                   1756: static int
                   1757: termp_pa_pre(DECL_ARGS)
                   1758: {
                   1759:
1.28      kristaps 1760:        pair->flag |= ttypes[TTYPE_FILE];
1.1       kristaps 1761:        return(1);
                   1762: }
                   1763:
                   1764:
                   1765: /* ARGSUSED */
                   1766: static int
                   1767: termp_em_pre(DECL_ARGS)
                   1768: {
                   1769:
1.28      kristaps 1770:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1771:        return(1);
                   1772: }
                   1773:
                   1774:
                   1775: /* ARGSUSED */
                   1776: static int
                   1777: termp_cd_pre(DECL_ARGS)
                   1778: {
                   1779:
1.28      kristaps 1780:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1781:        term_newln(p);
                   1782:        return(1);
                   1783: }
                   1784:
                   1785:
                   1786: /* ARGSUSED */
                   1787: static int
                   1788: termp_cm_pre(DECL_ARGS)
                   1789: {
                   1790:
1.28      kristaps 1791:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1792:        return(1);
                   1793: }
                   1794:
                   1795:
                   1796: /* ARGSUSED */
                   1797: static int
                   1798: termp_ic_pre(DECL_ARGS)
                   1799: {
                   1800:
1.28      kristaps 1801:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1802:        return(1);
                   1803: }
                   1804:
                   1805:
                   1806: /* ARGSUSED */
                   1807: static int
                   1808: termp_in_pre(DECL_ARGS)
                   1809: {
                   1810:
1.28      kristaps 1811:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1812:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1813:
                   1814:        if (SEC_SYNOPSIS == node->sec)
                   1815:                term_word(p, "#include");
                   1816:
1.1       kristaps 1817:        term_word(p, "<");
                   1818:        p->flags |= TERMP_NOSPACE;
                   1819:        return(1);
                   1820: }
                   1821:
                   1822:
                   1823: /* ARGSUSED */
                   1824: static void
                   1825: termp_in_post(DECL_ARGS)
                   1826: {
                   1827:
1.46      kristaps 1828:        p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
1.1       kristaps 1829:        term_word(p, ">");
1.46      kristaps 1830:        p->flags &= ~ttypes[TTYPE_INCLUDE];
1.1       kristaps 1831:
                   1832:        if (SEC_SYNOPSIS != node->sec)
                   1833:                return;
1.22      kristaps 1834:
                   1835:        term_newln(p);
                   1836:        /*
                   1837:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1838:         * the SYNOPSIS section, then it produces a single break after
                   1839:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1840:         * construction is rarely used, I think it's fine.
                   1841:         */
1.1       kristaps 1842:        if (node->next && MDOC_In != node->next->tok)
                   1843:                term_vspace(p);
                   1844: }
                   1845:
                   1846:
                   1847: /* ARGSUSED */
                   1848: static int
1.45      kristaps 1849: termp_sp_pre(DECL_ARGS)
                   1850: {
                   1851:        int              i, len;
                   1852:
                   1853:        if (NULL == node->child) {
                   1854:                term_vspace(p);
                   1855:                return(0);
                   1856:        }
                   1857:
                   1858:        len = atoi(node->child->string);
                   1859:        if (0 == len)
                   1860:                term_newln(p);
                   1861:        for (i = 0; i < len; i++)
                   1862:                term_vspace(p);
                   1863:
                   1864:        return(0);
                   1865: }
                   1866:
                   1867:
                   1868: /* ARGSUSED */
                   1869: static int
1.44      kristaps 1870: termp_br_pre(DECL_ARGS)
                   1871: {
                   1872:
                   1873:        term_newln(p);
                   1874:        return(1);
                   1875: }
                   1876:
                   1877:
                   1878: /* ARGSUSED */
                   1879: static int
1.1       kristaps 1880: termp_brq_pre(DECL_ARGS)
                   1881: {
                   1882:
                   1883:        if (MDOC_BODY != node->type)
                   1884:                return(1);
                   1885:        term_word(p, "\\(lC");
                   1886:        p->flags |= TERMP_NOSPACE;
                   1887:        return(1);
                   1888: }
                   1889:
                   1890:
                   1891: /* ARGSUSED */
                   1892: static void
                   1893: termp_brq_post(DECL_ARGS)
                   1894: {
                   1895:
                   1896:        if (MDOC_BODY != node->type)
                   1897:                return;
                   1898:        p->flags |= TERMP_NOSPACE;
                   1899:        term_word(p, "\\(rC");
                   1900: }
                   1901:
                   1902:
                   1903: /* ARGSUSED */
                   1904: static int
                   1905: termp_bq_pre(DECL_ARGS)
                   1906: {
                   1907:
                   1908:        if (MDOC_BODY != node->type)
                   1909:                return(1);
                   1910:        term_word(p, "\\(lB");
                   1911:        p->flags |= TERMP_NOSPACE;
                   1912:        return(1);
                   1913: }
                   1914:
                   1915:
                   1916: /* ARGSUSED */
                   1917: static void
                   1918: termp_bq_post(DECL_ARGS)
                   1919: {
                   1920:
                   1921:        if (MDOC_BODY != node->type)
                   1922:                return;
                   1923:        p->flags |= TERMP_NOSPACE;
                   1924:        term_word(p, "\\(rB");
                   1925: }
                   1926:
                   1927:
                   1928: /* ARGSUSED */
                   1929: static int
                   1930: termp_pq_pre(DECL_ARGS)
                   1931: {
                   1932:
                   1933:        if (MDOC_BODY != node->type)
                   1934:                return(1);
                   1935:        term_word(p, "\\&(");
                   1936:        p->flags |= TERMP_NOSPACE;
                   1937:        return(1);
                   1938: }
                   1939:
                   1940:
                   1941: /* ARGSUSED */
                   1942: static void
                   1943: termp_pq_post(DECL_ARGS)
                   1944: {
                   1945:
                   1946:        if (MDOC_BODY != node->type)
                   1947:                return;
                   1948:        term_word(p, ")");
                   1949: }
                   1950:
                   1951:
                   1952: /* ARGSUSED */
                   1953: static int
                   1954: termp_fo_pre(DECL_ARGS)
                   1955: {
                   1956:        const struct mdoc_node *n;
                   1957:
                   1958:        if (MDOC_BODY == node->type) {
1.33      kristaps 1959:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1960:                term_word(p, "(");
                   1961:                p->flags |= TERMP_NOSPACE;
                   1962:                return(1);
                   1963:        } else if (MDOC_HEAD != node->type)
                   1964:                return(1);
                   1965:
                   1966:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1967:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1968:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1969:                term_word(p, n->string);
                   1970:        }
                   1971:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1972:
                   1973:        return(0);
                   1974: }
                   1975:
                   1976:
                   1977: /* ARGSUSED */
                   1978: static void
                   1979: termp_fo_post(DECL_ARGS)
                   1980: {
                   1981:
                   1982:        if (MDOC_BODY != node->type)
                   1983:                return;
                   1984:        p->flags |= TERMP_NOSPACE;
                   1985:        term_word(p, ")");
                   1986:        p->flags |= TERMP_NOSPACE;
                   1987:        term_word(p, ";");
                   1988:        term_newln(p);
                   1989: }
                   1990:
                   1991:
                   1992: /* ARGSUSED */
                   1993: static int
                   1994: termp_bf_pre(DECL_ARGS)
                   1995: {
                   1996:        const struct mdoc_node  *n;
                   1997:
1.28      kristaps 1998:        if (MDOC_HEAD == node->type)
1.1       kristaps 1999:                return(0);
1.28      kristaps 2000:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2001:                return(1);
                   2002:
                   2003:        if (NULL == (n = node->head->child)) {
                   2004:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 2005:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2006:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 2007:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2008:
                   2009:                return(1);
                   2010:        }
                   2011:
1.11      kristaps 2012:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2013:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2014:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2015:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2016:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2017:
                   2018:        return(1);
                   2019: }
                   2020:
                   2021:
                   2022: /* ARGSUSED */
                   2023: static int
                   2024: termp_sy_pre(DECL_ARGS)
                   2025: {
                   2026:
1.28      kristaps 2027:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2028:        return(1);
                   2029: }
                   2030:
                   2031:
                   2032: /* ARGSUSED */
                   2033: static int
                   2034: termp_ms_pre(DECL_ARGS)
                   2035: {
                   2036:
1.28      kristaps 2037:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2038:        return(1);
                   2039: }
                   2040:
                   2041:
                   2042:
                   2043: /* ARGSUSED */
                   2044: static int
                   2045: termp_sm_pre(DECL_ARGS)
                   2046: {
                   2047:
1.11      kristaps 2048:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2049:        if (0 == strcmp("on", node->child->string)) {
                   2050:                p->flags &= ~TERMP_NONOSPACE;
                   2051:                p->flags &= ~TERMP_NOSPACE;
                   2052:        } else
                   2053:                p->flags |= TERMP_NONOSPACE;
                   2054:
                   2055:        return(0);
                   2056: }
                   2057:
                   2058:
                   2059: /* ARGSUSED */
                   2060: static int
                   2061: termp_ap_pre(DECL_ARGS)
                   2062: {
                   2063:
                   2064:        p->flags |= TERMP_NOSPACE;
                   2065:        term_word(p, "\\(aq");
                   2066:        p->flags |= TERMP_NOSPACE;
                   2067:        return(1);
                   2068: }
                   2069:
                   2070:
                   2071: /* ARGSUSED */
                   2072: static int
                   2073: termp__j_pre(DECL_ARGS)
                   2074: {
                   2075:
1.28      kristaps 2076:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2077:        return(1);
                   2078: }
                   2079:
                   2080:
                   2081: /* ARGSUSED */
                   2082: static int
                   2083: termp__t_pre(DECL_ARGS)
                   2084: {
                   2085:
                   2086:        term_word(p, "\"");
                   2087:        p->flags |= TERMP_NOSPACE;
                   2088:        return(1);
                   2089: }
                   2090:
                   2091:
                   2092: /* ARGSUSED */
                   2093: static void
                   2094: termp__t_post(DECL_ARGS)
                   2095: {
                   2096:
                   2097:        p->flags |= TERMP_NOSPACE;
                   2098:        term_word(p, "\"");
                   2099:        termp____post(p, pair, meta, node);
                   2100: }
                   2101:
                   2102:
                   2103: /* ARGSUSED */
                   2104: static void
                   2105: termp____post(DECL_ARGS)
                   2106: {
                   2107:
                   2108:        p->flags |= TERMP_NOSPACE;
                   2109:        term_word(p, node->next ? "," : ".");
                   2110: }
                   2111:
                   2112:
                   2113: /* ARGSUSED */
                   2114: static int
                   2115: termp_lk_pre(DECL_ARGS)
                   2116: {
                   2117:        const struct mdoc_node *n;
                   2118:
1.11      kristaps 2119:        assert(node->child);
                   2120:        n = node->child;
1.1       kristaps 2121:
1.12      kristaps 2122:        if (NULL == n->next) {
1.28      kristaps 2123:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2124:                return(1);
                   2125:        }
                   2126:
1.1       kristaps 2127:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2128:        term_word(p, n->string);
                   2129:        p->flags |= TERMP_NOSPACE;
                   2130:        term_word(p, ":");
1.12      kristaps 2131:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2132:
                   2133:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2134:        for (n = n->next; n; n = n->next)
1.1       kristaps 2135:                term_word(p, n->string);
1.12      kristaps 2136:
1.1       kristaps 2137:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2138:        return(0);
                   2139: }
                   2140:
                   2141:
                   2142: /* ARGSUSED */
                   2143: static int
                   2144: termp_mt_pre(DECL_ARGS)
                   2145: {
                   2146:
1.28      kristaps 2147:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2148:        return(1);
                   2149: }
                   2150:
                   2151:

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