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Annotation of mandoc/mdoc_term.c, Revision 1.52

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

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