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Annotation of mandoc/mdoc_term.c, Revision 1.67

1.67    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.66 2009/08/10 10:09:51 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
1.66      kristaps   29: #define        INDENT            5
                     30: #define        HALFINDENT        3
                     31:
1.1       kristaps   32: #define        TTYPE_PROG        0
                     33: #define        TTYPE_CMD_FLAG    1
                     34: #define        TTYPE_CMD_ARG     2
                     35: #define        TTYPE_SECTION     3
                     36: #define        TTYPE_FUNC_DECL   4
                     37: #define        TTYPE_VAR_DECL    5
                     38: #define        TTYPE_FUNC_TYPE   6
                     39: #define        TTYPE_FUNC_NAME   7
                     40: #define        TTYPE_FUNC_ARG    8
                     41: #define        TTYPE_LINK        9
                     42: #define        TTYPE_SSECTION    10
                     43: #define        TTYPE_FILE        11
                     44: #define        TTYPE_EMPH        12
                     45: #define        TTYPE_CONFIG      13
                     46: #define        TTYPE_CMD         14
                     47: #define        TTYPE_INCLUDE     15
                     48: #define        TTYPE_SYMB        16
                     49: #define        TTYPE_SYMBOL      17
                     50: #define        TTYPE_DIAG        18
                     51: #define        TTYPE_LINK_ANCHOR 19
                     52: #define        TTYPE_LINK_TEXT   20
                     53: #define        TTYPE_REF_JOURNAL 21
1.56      kristaps   54: #define        TTYPE_REF_TITLE   22
                     55: #define        TTYPE_LIST        23
                     56: #define        TTYPE_NMAX        24
1.1       kristaps   57:
                     58: const  int ttypes[TTYPE_NMAX] = {
                     59:        TERMP_BOLD,             /* TTYPE_PROG */
                     60:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     61:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     62:        TERMP_BOLD,             /* TTYPE_SECTION */
                     63:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     64:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     65:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     66:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     67:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     68:        TERMP_UNDER,            /* TTYPE_LINK */
                     69:        TERMP_BOLD,             /* TTYPE_SSECTION */
1.57      kristaps   70:        TERMP_UNDER,            /* TTYPE_FILE */
1.1       kristaps   71:        TERMP_UNDER,            /* TTYPE_EMPH */
                     72:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     73:        TERMP_BOLD,             /* TTYPE_CMD */
                     74:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     75:        TERMP_BOLD,             /* TTYPE_SYMB */
                     76:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     77:        TERMP_BOLD,             /* TTYPE_DIAG */
                     78:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     79:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     80:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
1.56      kristaps   81:        TERMP_UNDER,            /* TTYPE_REF_TITLE */
1.1       kristaps   82:        TERMP_BOLD              /* TTYPE_LIST */
                     83: };
                     84:
                     85: struct termpair {
                     86:        struct termpair  *ppair;
1.31      kristaps   87:        int               flag;
                     88:        int               count;
1.1       kristaps   89: };
                     90:
1.31      kristaps   91: #define        DECL_ARGS struct termp *p, \
                     92:                  struct termpair *pair, \
                     93:                  const struct mdoc_meta *meta, \
                     94:                  const struct mdoc_node *node
1.1       kristaps   95:
                     96: struct termact {
                     97:        int     (*pre)(DECL_ARGS);
                     98:        void    (*post)(DECL_ARGS);
                     99: };
                    100:
1.31      kristaps  101: static void      termp____post(DECL_ARGS);
1.61      kristaps  102: static void      termp_an_post(DECL_ARGS);
1.31      kristaps  103: static void      termp_aq_post(DECL_ARGS);
                    104: static void      termp_bd_post(DECL_ARGS);
                    105: static void      termp_bl_post(DECL_ARGS);
                    106: static void      termp_bq_post(DECL_ARGS);
                    107: static void      termp_brq_post(DECL_ARGS);
                    108: static void      termp_bx_post(DECL_ARGS);
                    109: static void      termp_d1_post(DECL_ARGS);
                    110: static void      termp_dq_post(DECL_ARGS);
                    111: static void      termp_fd_post(DECL_ARGS);
                    112: static void      termp_fn_post(DECL_ARGS);
                    113: static void      termp_fo_post(DECL_ARGS);
                    114: static void      termp_ft_post(DECL_ARGS);
                    115: static void      termp_in_post(DECL_ARGS);
                    116: static void      termp_it_post(DECL_ARGS);
                    117: static void      termp_lb_post(DECL_ARGS);
                    118: static void      termp_op_post(DECL_ARGS);
                    119: static void      termp_pf_post(DECL_ARGS);
                    120: static void      termp_pq_post(DECL_ARGS);
                    121: static void      termp_qq_post(DECL_ARGS);
                    122: static void      termp_sh_post(DECL_ARGS);
                    123: static void      termp_sq_post(DECL_ARGS);
                    124: static void      termp_ss_post(DECL_ARGS);
                    125: static void      termp_vt_post(DECL_ARGS);
                    126:
                    127: static int       termp__j_pre(DECL_ARGS);
                    128: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps  129: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps  130: static int       termp_ap_pre(DECL_ARGS);
                    131: static int       termp_aq_pre(DECL_ARGS);
                    132: static int       termp_ar_pre(DECL_ARGS);
                    133: static int       termp_bd_pre(DECL_ARGS);
                    134: static int       termp_bf_pre(DECL_ARGS);
                    135: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  136: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  137: static int       termp_brq_pre(DECL_ARGS);
                    138: static int       termp_bt_pre(DECL_ARGS);
                    139: static int       termp_cd_pre(DECL_ARGS);
                    140: static int       termp_cm_pre(DECL_ARGS);
                    141: static int       termp_d1_pre(DECL_ARGS);
                    142: static int       termp_dq_pre(DECL_ARGS);
                    143: static int       termp_em_pre(DECL_ARGS);
                    144: static int       termp_ex_pre(DECL_ARGS);
                    145: static int       termp_fa_pre(DECL_ARGS);
                    146: static int       termp_fd_pre(DECL_ARGS);
                    147: static int       termp_fl_pre(DECL_ARGS);
                    148: static int       termp_fn_pre(DECL_ARGS);
                    149: static int       termp_fo_pre(DECL_ARGS);
                    150: static int       termp_ft_pre(DECL_ARGS);
                    151: static int       termp_ic_pre(DECL_ARGS);
                    152: static int       termp_in_pre(DECL_ARGS);
                    153: static int       termp_it_pre(DECL_ARGS);
                    154: static int       termp_lk_pre(DECL_ARGS);
                    155: static int       termp_ms_pre(DECL_ARGS);
                    156: static int       termp_mt_pre(DECL_ARGS);
                    157: static int       termp_nd_pre(DECL_ARGS);
                    158: static int       termp_nm_pre(DECL_ARGS);
                    159: static int       termp_ns_pre(DECL_ARGS);
                    160: static int       termp_op_pre(DECL_ARGS);
1.57      kristaps  161: static int       termp_pa_pre(DECL_ARGS);
1.31      kristaps  162: static int       termp_pf_pre(DECL_ARGS);
                    163: static int       termp_pp_pre(DECL_ARGS);
                    164: static int       termp_pq_pre(DECL_ARGS);
                    165: static int       termp_qq_pre(DECL_ARGS);
                    166: static int       termp_rs_pre(DECL_ARGS);
                    167: static int       termp_rv_pre(DECL_ARGS);
                    168: static int       termp_sh_pre(DECL_ARGS);
                    169: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  170: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  171: static int       termp_sq_pre(DECL_ARGS);
                    172: static int       termp_ss_pre(DECL_ARGS);
                    173: static int       termp_sx_pre(DECL_ARGS);
                    174: static int       termp_sy_pre(DECL_ARGS);
                    175: static int       termp_ud_pre(DECL_ARGS);
                    176: static int       termp_va_pre(DECL_ARGS);
                    177: static int       termp_vt_pre(DECL_ARGS);
                    178: static int       termp_xr_pre(DECL_ARGS);
                    179: static int       termp_xx_pre(DECL_ARGS);
                    180:
1.1       kristaps  181: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  182:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  183:        { NULL, NULL }, /* Dd */
                    184:        { NULL, NULL }, /* Dt */
                    185:        { NULL, NULL }, /* Os */
                    186:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    187:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    188:        { termp_pp_pre, NULL }, /* Pp */
                    189:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    190:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    191:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    192:        { NULL, NULL }, /* Ed */
                    193:        { NULL, termp_bl_post }, /* Bl */
                    194:        { NULL, NULL }, /* El */
                    195:        { termp_it_pre, termp_it_post }, /* It */
                    196:        { NULL, NULL }, /* Ad */
1.61      kristaps  197:        { termp_an_pre, termp_an_post }, /* An */
1.1       kristaps  198:        { termp_ar_pre, NULL }, /* Ar */
                    199:        { termp_cd_pre, NULL }, /* Cd */
                    200:        { termp_cm_pre, NULL }, /* Cm */
                    201:        { NULL, NULL }, /* Dv */
                    202:        { NULL, NULL }, /* Er */
                    203:        { NULL, NULL }, /* Ev */
                    204:        { termp_ex_pre, NULL }, /* Ex */
                    205:        { termp_fa_pre, NULL }, /* Fa */
                    206:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    207:        { termp_fl_pre, NULL }, /* Fl */
                    208:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    209:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    210:        { termp_ic_pre, NULL }, /* Ic */
                    211:        { termp_in_pre, termp_in_post }, /* In */
                    212:        { NULL, NULL }, /* Li */
                    213:        { termp_nd_pre, NULL }, /* Nd */
                    214:        { termp_nm_pre, NULL }, /* Nm */
                    215:        { termp_op_pre, termp_op_post }, /* Op */
                    216:        { NULL, NULL }, /* Ot */
1.57      kristaps  217:        { termp_pa_pre, NULL }, /* Pa */
1.1       kristaps  218:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  219:        { NULL, NULL }, /* St */
1.1       kristaps  220:        { termp_va_pre, NULL }, /* Va */
                    221:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    222:        { termp_xr_pre, NULL }, /* Xr */
                    223:        { NULL, termp____post }, /* %A */
                    224:        { NULL, termp____post }, /* %B */
                    225:        { NULL, termp____post }, /* %D */
                    226:        { NULL, termp____post }, /* %I */
                    227:        { termp__j_pre, termp____post }, /* %J */
                    228:        { NULL, termp____post }, /* %N */
                    229:        { NULL, termp____post }, /* %O */
                    230:        { NULL, termp____post }, /* %P */
                    231:        { NULL, termp____post }, /* %R */
1.56      kristaps  232:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  233:        { NULL, termp____post }, /* %V */
                    234:        { NULL, NULL }, /* Ac */
                    235:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    236:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  237:        { NULL, NULL }, /* At */
1.1       kristaps  238:        { NULL, NULL }, /* Bc */
                    239:        { termp_bf_pre, NULL }, /* Bf */
                    240:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    241:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  242:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  243:        { NULL, termp_bx_post }, /* Bx */
                    244:        { NULL, NULL }, /* Db */
                    245:        { NULL, NULL }, /* Dc */
                    246:        { termp_dq_pre, termp_dq_post }, /* Do */
                    247:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    248:        { NULL, NULL }, /* Ec */
                    249:        { NULL, NULL }, /* Ef */
                    250:        { termp_em_pre, NULL }, /* Em */
                    251:        { NULL, NULL }, /* Eo */
1.26      kristaps  252:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  253:        { termp_ms_pre, NULL }, /* Ms */
                    254:        { NULL, NULL }, /* No */
                    255:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  256:        { termp_xx_pre, NULL }, /* Nx */
                    257:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  258:        { NULL, NULL }, /* Pc */
                    259:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    260:        { termp_pq_pre, termp_pq_post }, /* Po */
                    261:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    262:        { NULL, NULL }, /* Qc */
                    263:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    264:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    265:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    266:        { NULL, NULL }, /* Re */
                    267:        { termp_rs_pre, NULL }, /* Rs */
                    268:        { NULL, NULL }, /* Sc */
                    269:        { termp_sq_pre, termp_sq_post }, /* So */
                    270:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    271:        { termp_sm_pre, NULL }, /* Sm */
                    272:        { termp_sx_pre, NULL }, /* Sx */
                    273:        { termp_sy_pre, NULL }, /* Sy */
                    274:        { NULL, NULL }, /* Tn */
1.26      kristaps  275:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  276:        { NULL, NULL }, /* Xc */
                    277:        { NULL, NULL }, /* Xo */
                    278:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    279:        { NULL, NULL }, /* Fc */
                    280:        { termp_op_pre, termp_op_post }, /* Oo */
                    281:        { NULL, NULL }, /* Oc */
                    282:        { NULL, NULL }, /* Bk */
                    283:        { NULL, NULL }, /* Ek */
                    284:        { termp_bt_pre, NULL }, /* Bt */
                    285:        { NULL, NULL }, /* Hf */
                    286:        { NULL, NULL }, /* Fr */
                    287:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  288:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  289:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  290:        { termp_lk_pre, NULL }, /* Lk */
                    291:        { termp_mt_pre, NULL }, /* Mt */
                    292:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    293:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    294:        { NULL, NULL }, /* Brc */
                    295:        { NULL, NULL }, /* %C */
                    296:        { NULL, NULL }, /* Es */
                    297:        { NULL, NULL }, /* En */
1.26      kristaps  298:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  299:        { NULL, NULL }, /* %Q */
1.44      kristaps  300:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  301:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  302: };
                    303:
1.2       kristaps  304: #ifdef __linux__
1.9       kristaps  305: extern size_t    strlcpy(char *, const char *, size_t);
                    306: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  307: #endif
                    308:
1.1       kristaps  309: static int       arg_hasattr(int, const struct mdoc_node *);
                    310: static int       arg_getattrs(const int *, int *, size_t,
                    311:                        const struct mdoc_node *);
                    312: static int       arg_getattr(int, const struct mdoc_node *);
                    313: static size_t    arg_offset(const struct mdoc_argv *);
                    314: static size_t    arg_width(const struct mdoc_argv *, int);
                    315: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  316: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  317:                        const struct mdoc_node *,
                    318:                        const struct mdoc_node *);
1.3       kristaps  319: static void      print_node(DECL_ARGS);
                    320: static void      print_head(struct termp *,
1.1       kristaps  321:                        const struct mdoc_meta *);
1.3       kristaps  322: static void      print_body(DECL_ARGS);
                    323: static void      print_foot(struct termp *,
1.1       kristaps  324:                        const struct mdoc_meta *);
                    325:
                    326:
                    327: int
                    328: mdoc_run(struct termp *p, const struct mdoc *m)
                    329: {
1.9       kristaps  330:        /*
                    331:         * Main output function.  When this is called, assume that the
                    332:         * tree is properly formed.
                    333:         */
1.3       kristaps  334:        print_head(p, mdoc_meta(m));
1.14      kristaps  335:        assert(mdoc_node(m));
                    336:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    337:        if (mdoc_node(m)->child)
                    338:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  339:        print_foot(p, mdoc_meta(m));
                    340:        return(1);
1.1       kristaps  341: }
                    342:
                    343:
1.3       kristaps  344: static void
1.1       kristaps  345: print_body(DECL_ARGS)
                    346: {
                    347:
1.3       kristaps  348:        print_node(p, pair, meta, node);
1.1       kristaps  349:        if ( ! node->next)
1.3       kristaps  350:                return;
                    351:        print_body(p, pair, meta, node->next);
1.1       kristaps  352: }
                    353:
                    354:
1.3       kristaps  355: static void
1.1       kristaps  356: print_node(DECL_ARGS)
                    357: {
                    358:        int              dochild;
                    359:        struct termpair  npair;
1.30      kristaps  360:        size_t           offset, rmargin;
1.1       kristaps  361:
                    362:        dochild = 1;
1.29      kristaps  363:        offset = p->offset;
1.30      kristaps  364:        rmargin = p->rmargin;
1.29      kristaps  365:
1.1       kristaps  366:        npair.ppair = pair;
                    367:        npair.flag = 0;
                    368:        npair.count = 0;
                    369:
1.46      kristaps  370:        /*
                    371:         * Note on termpair.  This allows a pre function to set a termp
                    372:         * flag that is automatically unset after the body, but before
                    373:         * the post function.  Thus, if a pre uses a termpair flag, it
                    374:         * must be reapplied in the post for use.
                    375:         */
                    376:
1.1       kristaps  377:        if (MDOC_TEXT != node->type) {
                    378:                if (termacts[node->tok].pre)
                    379:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    380:                                dochild = 0;
                    381:        } else /* MDOC_TEXT == node->type */
                    382:                term_word(p, node->string);
                    383:
                    384:        /* Children. */
                    385:
1.28      kristaps  386:        p->flags |= npair.flag;
1.1       kristaps  387:
                    388:        if (dochild && node->child)
                    389:                print_body(p, &npair, meta, node->child);
                    390:
1.46      kristaps  391:        p->flags &= ~npair.flag;
                    392:
1.1       kristaps  393:        /* Post-processing. */
                    394:
                    395:        if (MDOC_TEXT != node->type)
                    396:                if (termacts[node->tok].post)
                    397:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  398:
                    399:        p->offset = offset;
1.30      kristaps  400:        p->rmargin = rmargin;
1.1       kristaps  401: }
                    402:
                    403:
1.3       kristaps  404: static void
1.1       kristaps  405: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    406: {
                    407:        struct tm       *tm;
                    408:        char            *buf, *os;
                    409:
1.9       kristaps  410:        /*
                    411:         * Output the footer in new-groff style, that is, three columns
                    412:         * with the middle being the manual date and flanking columns
                    413:         * being the operating system:
                    414:         *
                    415:         * SYSTEM                  DATE                    SYSTEM
                    416:         */
                    417:
1.1       kristaps  418:        if (NULL == (buf = malloc(p->rmargin)))
                    419:                err(1, "malloc");
                    420:        if (NULL == (os = malloc(p->rmargin)))
                    421:                err(1, "malloc");
                    422:
                    423:        tm = localtime(&meta->date);
                    424:
1.42      kristaps  425:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  426:                err(1, "strftime");
                    427:
                    428:        (void)strlcpy(os, meta->os, p->rmargin);
                    429:
                    430:        term_vspace(p);
                    431:
1.9       kristaps  432:        p->offset = 0;
                    433:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  434:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    435:
                    436:        term_word(p, os);
                    437:        term_flushln(p);
                    438:
1.9       kristaps  439:        p->offset = p->rmargin;
                    440:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  441:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  442:
                    443:        term_word(p, buf);
                    444:        term_flushln(p);
                    445:
1.1       kristaps  446:        p->offset = p->rmargin;
                    447:        p->rmargin = p->maxrmargin;
                    448:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  449:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  450:
1.9       kristaps  451:        term_word(p, os);
1.1       kristaps  452:        term_flushln(p);
                    453:
1.9       kristaps  454:        p->offset = 0;
                    455:        p->rmargin = p->maxrmargin;
                    456:        p->flags = 0;
                    457:
1.1       kristaps  458:        free(buf);
                    459:        free(os);
                    460: }
                    461:
                    462:
1.3       kristaps  463: static void
1.1       kristaps  464: print_head(struct termp *p, const struct mdoc_meta *meta)
                    465: {
                    466:        char            *buf, *title;
                    467:
                    468:        p->rmargin = p->maxrmargin;
                    469:        p->offset = 0;
                    470:
                    471:        if (NULL == (buf = malloc(p->rmargin)))
                    472:                err(1, "malloc");
                    473:        if (NULL == (title = malloc(p->rmargin)))
                    474:                err(1, "malloc");
                    475:
                    476:        /*
                    477:         * The header is strange.  It has three components, which are
                    478:         * really two with the first duplicated.  It goes like this:
                    479:         *
                    480:         * IDENTIFIER              TITLE                   IDENTIFIER
                    481:         *
                    482:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    483:         * (if given, or "unknown" if not) followed by the manual page
                    484:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    485:         * string depending on the manual volume.  If not specified, it
                    486:         * switches on the manual section.
                    487:         */
                    488:
                    489:        assert(meta->vol);
                    490:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    491:
                    492:        if (meta->arch) {
                    493:                (void)strlcat(buf, " (", p->rmargin);
                    494:                (void)strlcat(buf, meta->arch, p->rmargin);
                    495:                (void)strlcat(buf, ")", p->rmargin);
                    496:        }
                    497:
                    498:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    499:                        meta->title, meta->msec);
                    500:
                    501:        p->offset = 0;
1.8       kristaps  502:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  503:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    504:
                    505:        term_word(p, title);
                    506:        term_flushln(p);
                    507:
                    508:        p->offset = p->rmargin;
                    509:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  510:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  511:
                    512:        term_word(p, buf);
                    513:        term_flushln(p);
                    514:
                    515:        p->offset = p->rmargin;
                    516:        p->rmargin = p->maxrmargin;
                    517:        p->flags &= ~TERMP_NOBREAK;
                    518:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    519:
                    520:        term_word(p, title);
                    521:        term_flushln(p);
                    522:
1.9       kristaps  523:        p->offset = 0;
1.1       kristaps  524:        p->rmargin = p->maxrmargin;
                    525:        p->flags &= ~TERMP_NOSPACE;
                    526:
                    527:        free(title);
                    528:        free(buf);
                    529: }
                    530:
                    531:
                    532: static size_t
                    533: arg_width(const struct mdoc_argv *arg, int pos)
                    534: {
                    535:        int              i, len;
1.40      kristaps  536:        const char      *p;
1.1       kristaps  537:
                    538:        assert(pos < (int)arg->sz && pos >= 0);
                    539:        assert(arg->value[pos]);
                    540:
1.40      kristaps  541:        p = arg->value[pos];
                    542:
                    543:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  544:                return(0);
                    545:
                    546:        for (i = 0; i < len - 1; i++)
1.40      kristaps  547:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  548:                        break;
                    549:
1.40      kristaps  550:        if (i == len - 1)
                    551:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    552:                        return((size_t)atoi(p) + 2);
1.1       kristaps  553:
1.40      kristaps  554:        return((size_t)len + 2);
1.1       kristaps  555: }
                    556:
                    557:
                    558: static int
                    559: arg_listtype(const struct mdoc_node *n)
                    560: {
                    561:        int              i, len;
                    562:
                    563:        assert(MDOC_BLOCK == n->type);
                    564:
                    565:        len = (int)(n->args ? n->args->argc : 0);
                    566:
                    567:        for (i = 0; i < len; i++)
                    568:                switch (n->args->argv[i].arg) {
                    569:                case (MDOC_Bullet):
                    570:                        /* FALLTHROUGH */
                    571:                case (MDOC_Dash):
                    572:                        /* FALLTHROUGH */
                    573:                case (MDOC_Enum):
                    574:                        /* FALLTHROUGH */
                    575:                case (MDOC_Hyphen):
                    576:                        /* FALLTHROUGH */
                    577:                case (MDOC_Tag):
                    578:                        /* FALLTHROUGH */
                    579:                case (MDOC_Inset):
                    580:                        /* FALLTHROUGH */
                    581:                case (MDOC_Diag):
                    582:                        /* FALLTHROUGH */
                    583:                case (MDOC_Item):
                    584:                        /* FALLTHROUGH */
                    585:                case (MDOC_Column):
                    586:                        /* FALLTHROUGH */
1.38      kristaps  587:                case (MDOC_Hang):
                    588:                        /* FALLTHROUGH */
1.1       kristaps  589:                case (MDOC_Ohang):
                    590:                        return(n->args->argv[i].arg);
                    591:                default:
                    592:                        break;
                    593:                }
                    594:
1.38      kristaps  595:        return(-1);
1.1       kristaps  596: }
                    597:
                    598:
                    599: static size_t
                    600: arg_offset(const struct mdoc_argv *arg)
                    601: {
1.40      kristaps  602:        int              len, i;
                    603:        const char      *p;
1.1       kristaps  604:
                    605:        assert(*arg->value);
1.40      kristaps  606:        p = *arg->value;
                    607:
                    608:        if (0 == strcmp(p, "left"))
1.19      kristaps  609:                return(0);
1.40      kristaps  610:        if (0 == strcmp(p, "indent"))
1.16      kristaps  611:                return(INDENT + 1);
1.40      kristaps  612:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  613:                return((INDENT + 1) * 2);
1.10      kristaps  614:
1.40      kristaps  615:        if (0 == (len = (int)strlen(p)))
                    616:                return(0);
                    617:
                    618:        for (i = 0; i < len - 1; i++)
                    619:                if ( ! isdigit((u_char)p[i]))
                    620:                        break;
                    621:
                    622:        if (i == len - 1)
                    623:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    624:                        return((size_t)atoi(p));
1.11      kristaps  625:
1.40      kristaps  626:        return((size_t)len);
1.1       kristaps  627: }
                    628:
                    629:
                    630: static int
                    631: arg_hasattr(int arg, const struct mdoc_node *n)
                    632: {
                    633:
                    634:        return(-1 != arg_getattr(arg, n));
                    635: }
                    636:
                    637:
                    638: static int
                    639: arg_getattr(int v, const struct mdoc_node *n)
                    640: {
                    641:        int              val;
                    642:
                    643:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    644: }
                    645:
                    646:
                    647: static int
                    648: arg_getattrs(const int *keys, int *vals,
                    649:                size_t sz, const struct mdoc_node *n)
                    650: {
                    651:        int              i, j, k;
                    652:
                    653:        if (NULL == n->args)
                    654:                return(0);
                    655:
                    656:        for (k = i = 0; i < (int)n->args->argc; i++)
                    657:                for (j = 0; j < (int)sz; j++)
                    658:                        if (n->args->argv[i].arg == keys[j]) {
                    659:                                vals[j] = i;
                    660:                                k++;
                    661:                        }
                    662:        return(k);
                    663: }
                    664:
                    665:
                    666: /* ARGSUSED */
1.54      kristaps  667: static void
1.1       kristaps  668: fmt_block_vspace(struct termp *p,
                    669:                const struct mdoc_node *bl,
                    670:                const struct mdoc_node *node)
                    671: {
                    672:        const struct mdoc_node *n;
                    673:
                    674:        term_newln(p);
                    675:
1.59      kristaps  676:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  677:                return;
1.63      kristaps  678:        assert(node);
1.54      kristaps  679:
                    680:        /*
                    681:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    682:         * then don't vspace.
                    683:         */
1.1       kristaps  684:
                    685:        for (n = node; n; n = n->parent) {
                    686:                if (MDOC_BLOCK != n->type)
                    687:                        continue;
                    688:                if (MDOC_Ss == n->tok)
1.54      kristaps  689:                        return;
1.1       kristaps  690:                if (MDOC_Sh == n->tok)
1.54      kristaps  691:                        return;
1.1       kristaps  692:                if (NULL == n->prev)
                    693:                        continue;
                    694:                break;
                    695:        }
                    696:
1.54      kristaps  697:        /*
1.55      kristaps  698:         * XXX - not documented: a `-column' does not ever assert vspace
                    699:         * within the list.
1.54      kristaps  700:         */
                    701:
1.59      kristaps  702:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  703:                if (node->prev && MDOC_It == node->prev->tok)
                    704:                        return;
                    705:
1.55      kristaps  706:        /*
                    707:         * XXX - not documented: a `-diag' without a body does not
                    708:         * assert a vspace prior to the next element.
                    709:         */
1.59      kristaps  710:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  711:                if (node->prev && MDOC_It == node->prev->tok) {
                    712:                        assert(node->prev->body);
                    713:                        if (NULL == node->prev->body->child)
                    714:                                return;
                    715:                }
                    716:
1.54      kristaps  717:        term_vspace(p);
1.1       kristaps  718: }
                    719:
                    720:
                    721: /* ARGSUSED */
                    722: static int
                    723: termp_dq_pre(DECL_ARGS)
                    724: {
                    725:
                    726:        if (MDOC_BODY != node->type)
                    727:                return(1);
                    728:
                    729:        term_word(p, "\\(lq");
                    730:        p->flags |= TERMP_NOSPACE;
                    731:        return(1);
                    732: }
                    733:
                    734:
                    735: /* ARGSUSED */
                    736: static void
                    737: termp_dq_post(DECL_ARGS)
                    738: {
                    739:
                    740:        if (MDOC_BODY != node->type)
                    741:                return;
                    742:
                    743:        p->flags |= TERMP_NOSPACE;
                    744:        term_word(p, "\\(rq");
                    745: }
                    746:
                    747:
                    748: /* ARGSUSED */
                    749: static int
                    750: termp_it_pre(DECL_ARGS)
                    751: {
                    752:        const struct mdoc_node *bl, *n;
                    753:        char                    buf[7];
1.39      kristaps  754:        int                     i, type, keys[3], vals[3];
1.1       kristaps  755:        size_t                  width, offset;
                    756:
1.54      kristaps  757:        if (MDOC_BLOCK == node->type) {
                    758:                fmt_block_vspace(p, node->parent->parent, node);
                    759:                return(1);
                    760:        }
1.1       kristaps  761:
                    762:        bl = node->parent->parent->parent;
                    763:
                    764:        /* Save parent attributes. */
                    765:
                    766:        pair->flag = p->flags;
                    767:
                    768:        /* Get list width and offset. */
                    769:
                    770:        keys[0] = MDOC_Width;
                    771:        keys[1] = MDOC_Offset;
                    772:        keys[2] = MDOC_Column;
                    773:
                    774:        vals[0] = vals[1] = vals[2] = -1;
                    775:
                    776:        width = offset = 0;
                    777:
                    778:        (void)arg_getattrs(keys, vals, 3, bl);
                    779:
                    780:        type = arg_listtype(bl);
1.38      kristaps  781:        assert(-1 != type);
1.1       kristaps  782:
                    783:        /* Calculate real width and offset. */
                    784:
                    785:        switch (type) {
                    786:        case (MDOC_Column):
                    787:                if (MDOC_BODY == node->type)
                    788:                        break;
1.58      kristaps  789:                /*
                    790:                 * Work around groff's column handling.  The offset is
                    791:                 * equal to the sum of all widths leading to the current
                    792:                 * column (plus the -offset value).  If this column
                    793:                 * exceeds the stated number of columns, the width is
                    794:                 * set as 0, else it's the stated column width (later
                    795:                 * the 0 will be adjusted to default 10 or, if in the
                    796:                 * last column case, set to stretch to the margin).
                    797:                 */
                    798:                for (i = 0, n = node->prev; n && n &&
                    799:                                i < (int)bl->args[vals[2]].argv->sz;
                    800:                                n = n->prev, i++)
1.1       kristaps  801:                        offset += arg_width
                    802:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  803:
                    804:                /* Whether exceeds maximum column. */
                    805:                if (i < (int)bl->args[vals[2]].argv->sz)
                    806:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    807:                else
                    808:                        width = 0;
                    809:
1.1       kristaps  810:                if (vals[1] >= 0)
                    811:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    812:                break;
                    813:        default:
                    814:                if (vals[0] >= 0)
                    815:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    816:                if (vals[1] >= 0)
1.19      kristaps  817:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  818:                break;
                    819:        }
                    820:
                    821:        /*
                    822:         * List-type can override the width in the case of fixed-head
                    823:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67    ! kristaps  824:         * offset.
1.1       kristaps  825:         */
                    826:
                    827:        switch (type) {
                    828:        case (MDOC_Bullet):
                    829:                /* FALLTHROUGH */
                    830:        case (MDOC_Dash):
                    831:                /* FALLTHROUGH */
                    832:        case (MDOC_Hyphen):
                    833:                if (width < 4)
                    834:                        width = 4;
                    835:                break;
1.17      kristaps  836:        case (MDOC_Enum):
                    837:                if (width < 5)
                    838:                        width = 5;
                    839:                break;
1.38      kristaps  840:        case (MDOC_Hang):
1.39      kristaps  841:                if (0 == width)
                    842:                        width = 8;
                    843:                break;
1.49      kristaps  844:        case (MDOC_Column):
                    845:                /* FALLTHROUGH */
1.1       kristaps  846:        case (MDOC_Tag):
                    847:                if (0 == width)
                    848:                        width = 10;
                    849:                break;
                    850:        default:
                    851:                break;
                    852:        }
                    853:
                    854:        /*
1.17      kristaps  855:         * Whitespace control.  Inset bodies need an initial space,
                    856:         * while diagonal bodies need two.
1.1       kristaps  857:         */
                    858:
1.51      kristaps  859:        p->flags |= TERMP_NOSPACE;
                    860:
1.1       kristaps  861:        switch (type) {
1.51      kristaps  862:        case (MDOC_Diag):
1.62      kristaps  863:                if (MDOC_BODY == node->type)
                    864:                        term_word(p, "\\ \\ ");
1.51      kristaps  865:                break;
1.1       kristaps  866:        case (MDOC_Inset):
                    867:                if (MDOC_BODY == node->type)
1.51      kristaps  868:                        term_word(p, "\\ ");
1.1       kristaps  869:                break;
                    870:        default:
                    871:                break;
                    872:        }
                    873:
1.51      kristaps  874:        p->flags |= TERMP_NOSPACE;
                    875:
1.1       kristaps  876:        /*
                    877:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    878:         */
                    879:
                    880:        switch (type) {
                    881:        case (MDOC_Diag):
                    882:                if (MDOC_HEAD == node->type)
                    883:                        p->flags |= ttypes[TTYPE_DIAG];
                    884:                break;
                    885:        default:
                    886:                break;
                    887:        }
                    888:
                    889:        /*
                    890:         * Pad and break control.  This is the tricker part.  Lists with
                    891:         * set right-margins for the head get TERMP_NOBREAK because, if
                    892:         * they overrun the margin, they wrap to the new margin.
                    893:         * Correspondingly, the body for these types don't left-pad, as
                    894:         * the head will pad out to to the right.
                    895:         */
                    896:
                    897:        switch (type) {
                    898:        case (MDOC_Bullet):
                    899:                /* FALLTHROUGH */
                    900:        case (MDOC_Dash):
                    901:                /* FALLTHROUGH */
                    902:        case (MDOC_Enum):
                    903:                /* FALLTHROUGH */
                    904:        case (MDOC_Hyphen):
1.39      kristaps  905:                if (MDOC_HEAD == node->type)
                    906:                        p->flags |= TERMP_NOBREAK;
                    907:                else
                    908:                        p->flags |= TERMP_NOLPAD;
                    909:                break;
1.38      kristaps  910:        case (MDOC_Hang):
1.39      kristaps  911:                if (MDOC_HEAD == node->type)
                    912:                        p->flags |= TERMP_NOBREAK;
                    913:                else
                    914:                        p->flags |= TERMP_NOLPAD;
                    915:
1.59      kristaps  916:                if (MDOC_HEAD != node->type)
                    917:                        break;
                    918:
                    919:                /*
                    920:                 * This is ugly.  If `-hang' is specified and the body
                    921:                 * is a `Bl' or `Bd', then we want basically to nullify
                    922:                 * the "overstep" effect in term_flushln() and treat
                    923:                 * this as a `-ohang' list instead.
                    924:                 */
                    925:                if (node->next->child &&
                    926:                                (MDOC_Bl == node->next->child->tok ||
                    927:                                 MDOC_Bd == node->next->child->tok)) {
                    928:                        p->flags &= ~TERMP_NOBREAK;
                    929:                        p->flags &= ~TERMP_NOLPAD;
                    930:                } else
1.39      kristaps  931:                        p->flags |= TERMP_HANG;
                    932:                break;
1.1       kristaps  933:        case (MDOC_Tag):
                    934:                if (MDOC_HEAD == node->type)
1.51      kristaps  935:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  936:                else
                    937:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  938:
1.39      kristaps  939:                if (MDOC_HEAD != node->type)
                    940:                        break;
                    941:                if (NULL == node->next || NULL == node->next->child)
                    942:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  943:                break;
                    944:        case (MDOC_Column):
                    945:                if (MDOC_HEAD == node->type) {
                    946:                        assert(node->next);
                    947:                        if (MDOC_BODY == node->next->type)
                    948:                                p->flags &= ~TERMP_NOBREAK;
                    949:                        else
                    950:                                p->flags |= TERMP_NOBREAK;
                    951:                        if (node->prev)
                    952:                                p->flags |= TERMP_NOLPAD;
                    953:                }
                    954:                break;
                    955:        case (MDOC_Diag):
                    956:                if (MDOC_HEAD == node->type)
                    957:                        p->flags |= TERMP_NOBREAK;
                    958:                break;
                    959:        default:
                    960:                break;
                    961:        }
                    962:
                    963:        /*
                    964:         * Margin control.  Set-head-width lists have their right
                    965:         * margins shortened.  The body for these lists has the offset
                    966:         * necessarily lengthened.  Everybody gets the offset.
                    967:         */
                    968:
                    969:        p->offset += offset;
                    970:
                    971:        switch (type) {
1.59      kristaps  972:        case (MDOC_Hang):
                    973:                /*
                    974:                 * Same stipulation as above, regarding `-hang'.  We
                    975:                 * don't want to recalculate rmargin and offsets when
                    976:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    977:                 */
                    978:                if (MDOC_HEAD == node->type && node->next->child &&
                    979:                                (MDOC_Bl == node->next->child->tok ||
                    980:                                 MDOC_Bd == node->next->child->tok))
                    981:                        break;
                    982:                /* FALLTHROUGH */
1.1       kristaps  983:        case (MDOC_Bullet):
                    984:                /* FALLTHROUGH */
                    985:        case (MDOC_Dash):
                    986:                /* FALLTHROUGH */
                    987:        case (MDOC_Enum):
                    988:                /* FALLTHROUGH */
                    989:        case (MDOC_Hyphen):
                    990:                /* FALLTHROUGH */
                    991:        case (MDOC_Tag):
1.49      kristaps  992:                assert(width);
1.1       kristaps  993:                if (MDOC_HEAD == node->type)
                    994:                        p->rmargin = p->offset + width;
                    995:                else
                    996:                        p->offset += width;
                    997:                break;
                    998:        case (MDOC_Column):
1.49      kristaps  999:                assert(width);
1.1       kristaps 1000:                p->rmargin = p->offset + width;
1.50      kristaps 1001:                /*
                   1002:                 * XXX - this behaviour is not documented: the
                   1003:                 * right-most column is filled to the right margin.
                   1004:                 */
                   1005:                if (MDOC_HEAD == node->type &&
                   1006:                                MDOC_BODY == node->next->type)
                   1007:                        p->rmargin = p->maxrmargin;
1.1       kristaps 1008:                break;
                   1009:        default:
                   1010:                break;
                   1011:        }
                   1012:
                   1013:        /*
                   1014:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps 1015:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps 1016:         */
                   1017:
                   1018:        if (MDOC_HEAD == node->type)
                   1019:                switch (type) {
                   1020:                case (MDOC_Bullet):
1.15      kristaps 1021:                        p->flags |= TERMP_BOLD;
1.1       kristaps 1022:                        term_word(p, "\\[bu]");
1.39      kristaps 1023:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps 1024:                        break;
                   1025:                case (MDOC_Dash):
                   1026:                        /* FALLTHROUGH */
                   1027:                case (MDOC_Hyphen):
1.15      kristaps 1028:                        p->flags |= TERMP_BOLD;
1.27      kristaps 1029:                        term_word(p, "\\(hy");
1.39      kristaps 1030:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps 1031:                        break;
                   1032:                case (MDOC_Enum):
                   1033:                        (pair->ppair->ppair->count)++;
                   1034:                        (void)snprintf(buf, sizeof(buf), "%d.",
                   1035:                                        pair->ppair->ppair->count);
                   1036:                        term_word(p, buf);
                   1037:                        break;
                   1038:                default:
                   1039:                        break;
                   1040:                }
                   1041:
                   1042:        /*
                   1043:         * If we're not going to process our children, indicate so here.
                   1044:         */
                   1045:
                   1046:        switch (type) {
                   1047:        case (MDOC_Bullet):
                   1048:                /* FALLTHROUGH */
                   1049:        case (MDOC_Item):
                   1050:                /* FALLTHROUGH */
                   1051:        case (MDOC_Dash):
                   1052:                /* FALLTHROUGH */
                   1053:        case (MDOC_Hyphen):
                   1054:                /* FALLTHROUGH */
                   1055:        case (MDOC_Enum):
                   1056:                if (MDOC_HEAD == node->type)
                   1057:                        return(0);
                   1058:                break;
                   1059:        case (MDOC_Column):
                   1060:                if (MDOC_BODY == node->type)
                   1061:                        return(0);
                   1062:                break;
                   1063:        default:
                   1064:                break;
                   1065:        }
                   1066:
                   1067:        return(1);
                   1068: }
                   1069:
                   1070:
                   1071: /* ARGSUSED */
                   1072: static void
                   1073: termp_it_post(DECL_ARGS)
                   1074: {
                   1075:        int                type;
                   1076:
                   1077:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1078:                return;
                   1079:
                   1080:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1081:        assert(-1 != type);
1.1       kristaps 1082:
                   1083:        switch (type) {
                   1084:        case (MDOC_Item):
                   1085:                /* FALLTHROUGH */
1.53      kristaps 1086:        case (MDOC_Diag):
                   1087:                /* FALLTHROUGH */
1.1       kristaps 1088:        case (MDOC_Inset):
                   1089:                if (MDOC_BODY == node->type)
                   1090:                        term_flushln(p);
                   1091:                break;
                   1092:        case (MDOC_Column):
                   1093:                if (MDOC_HEAD == node->type)
                   1094:                        term_flushln(p);
                   1095:                break;
                   1096:        default:
                   1097:                term_flushln(p);
                   1098:                break;
                   1099:        }
                   1100:
                   1101:        p->flags = pair->flag;
                   1102: }
                   1103:
                   1104:
                   1105: /* ARGSUSED */
                   1106: static int
                   1107: termp_nm_pre(DECL_ARGS)
                   1108: {
                   1109:
                   1110:        if (SEC_SYNOPSIS == node->sec)
                   1111:                term_newln(p);
                   1112:
1.28      kristaps 1113:        pair->flag |= ttypes[TTYPE_PROG];
                   1114:        p->flags |= ttypes[TTYPE_PROG];
                   1115:
1.1       kristaps 1116:        if (NULL == node->child)
                   1117:                term_word(p, meta->name);
                   1118:
                   1119:        return(1);
                   1120: }
                   1121:
                   1122:
                   1123: /* ARGSUSED */
                   1124: static int
                   1125: termp_fl_pre(DECL_ARGS)
                   1126: {
                   1127:
1.28      kristaps 1128:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1129:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1130:        term_word(p, "\\-");
                   1131:        p->flags |= TERMP_NOSPACE;
                   1132:        return(1);
                   1133: }
                   1134:
                   1135:
                   1136: /* ARGSUSED */
                   1137: static int
1.61      kristaps 1138: termp_an_pre(DECL_ARGS)
                   1139: {
                   1140:
                   1141:        if (NULL == node->child)
                   1142:                return(1);
                   1143:
                   1144:        /*
                   1145:         * XXX: this is poorly documented.  If not in the AUTHORS
                   1146:         * section, `An -split' will cause newlines to occur before the
                   1147:         * author name.  If in the AUTHORS section, by default, the
                   1148:         * first `An' invocation is nosplit, then all subsequent ones,
                   1149:         * regardless of whether interspersed with other macros/text,
                   1150:         * are split.  -split, in this case, will override the condition
                   1151:         * of the implied first -nosplit.
                   1152:         */
                   1153:
                   1154:        if (node->sec == SEC_AUTHORS) {
                   1155:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1156:                        if (TERMP_SPLIT & p->flags)
                   1157:                                term_newln(p);
                   1158:                        return(1);
                   1159:                }
                   1160:                if (TERMP_NOSPLIT & p->flags)
                   1161:                        return(1);
                   1162:                term_newln(p);
                   1163:                return(1);
                   1164:        }
                   1165:
                   1166:        if (TERMP_SPLIT & p->flags)
                   1167:                term_newln(p);
                   1168:
                   1169:        return(1);
                   1170: }
                   1171:
                   1172:
                   1173: /* ARGSUSED */
                   1174: static void
                   1175: termp_an_post(DECL_ARGS)
                   1176: {
                   1177:
                   1178:        if (node->child) {
                   1179:                if (SEC_AUTHORS == node->sec)
                   1180:                        p->flags |= TERMP_ANPREC;
                   1181:                return;
                   1182:        }
                   1183:
                   1184:        if (arg_getattr(MDOC_Split, node) > -1) {
                   1185:                p->flags &= ~TERMP_NOSPLIT;
                   1186:                p->flags |= TERMP_SPLIT;
                   1187:        } else {
                   1188:                p->flags &= ~TERMP_SPLIT;
                   1189:                p->flags |= TERMP_NOSPLIT;
                   1190:        }
                   1191:
                   1192: }
                   1193:
                   1194:
                   1195: /* ARGSUSED */
                   1196: static int
1.1       kristaps 1197: termp_ar_pre(DECL_ARGS)
                   1198: {
                   1199:
1.28      kristaps 1200:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1201:        return(1);
                   1202: }
                   1203:
                   1204:
                   1205: /* ARGSUSED */
                   1206: static int
                   1207: termp_ns_pre(DECL_ARGS)
                   1208: {
                   1209:
                   1210:        p->flags |= TERMP_NOSPACE;
                   1211:        return(1);
                   1212: }
                   1213:
                   1214:
                   1215: /* ARGSUSED */
                   1216: static int
                   1217: termp_pp_pre(DECL_ARGS)
                   1218: {
                   1219:
                   1220:        term_vspace(p);
                   1221:        return(1);
                   1222: }
                   1223:
                   1224:
                   1225: /* ARGSUSED */
                   1226: static int
                   1227: termp_rs_pre(DECL_ARGS)
                   1228: {
                   1229:
                   1230:        if (MDOC_BLOCK == node->type && node->prev)
                   1231:                term_vspace(p);
                   1232:        return(1);
                   1233: }
                   1234:
                   1235:
                   1236: /* ARGSUSED */
                   1237: static int
                   1238: termp_rv_pre(DECL_ARGS)
                   1239: {
                   1240:        int              i;
                   1241:
1.34      kristaps 1242:        i = arg_getattr(MDOC_Std, node);
                   1243:        assert(-1 != i);
                   1244:        assert(node->args->argv[i].sz);
1.1       kristaps 1245:
                   1246:        term_newln(p);
                   1247:        term_word(p, "The");
                   1248:
                   1249:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1250:        term_word(p, *node->args->argv[i].value);
                   1251:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1252:        p->flags |= TERMP_NOSPACE;
                   1253:
                   1254:                term_word(p, "() function returns the value 0 if successful;");
                   1255:                term_word(p, "otherwise the value -1 is returned and the");
                   1256:                term_word(p, "global variable");
                   1257:
                   1258:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1259:        term_word(p, "errno");
                   1260:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1261:
                   1262:                term_word(p, "is set to indicate the error.");
                   1263:
                   1264:        return(1);
                   1265: }
                   1266:
                   1267:
                   1268: /* ARGSUSED */
                   1269: static int
                   1270: termp_ex_pre(DECL_ARGS)
                   1271: {
                   1272:        int              i;
                   1273:
1.34      kristaps 1274:        i = arg_getattr(MDOC_Std, node);
                   1275:        assert(-1 != i);
                   1276:        assert(node->args->argv[i].sz);
1.1       kristaps 1277:
                   1278:        term_word(p, "The");
                   1279:        p->flags |= ttypes[TTYPE_PROG];
                   1280:        term_word(p, *node->args->argv[i].value);
                   1281:        p->flags &= ~ttypes[TTYPE_PROG];
                   1282:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1283:
                   1284:        return(1);
                   1285: }
                   1286:
                   1287:
                   1288: /* ARGSUSED */
                   1289: static int
                   1290: termp_nd_pre(DECL_ARGS)
                   1291: {
1.25      kristaps 1292:
                   1293:        if (MDOC_BODY != node->type)
                   1294:                return(1);
1.30      kristaps 1295:
1.27      kristaps 1296: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1297:        term_word(p, "\\(en");
1.23      kristaps 1298: #else
                   1299:        term_word(p, "\\(em");
                   1300: #endif
1.1       kristaps 1301:        return(1);
                   1302: }
                   1303:
                   1304:
                   1305: /* ARGSUSED */
                   1306: static void
                   1307: termp_bl_post(DECL_ARGS)
                   1308: {
                   1309:
                   1310:        if (MDOC_BLOCK == node->type)
                   1311:                term_newln(p);
                   1312: }
                   1313:
                   1314:
                   1315: /* ARGSUSED */
                   1316: static void
                   1317: termp_op_post(DECL_ARGS)
                   1318: {
                   1319:
                   1320:        if (MDOC_BODY != node->type)
                   1321:                return;
                   1322:        p->flags |= TERMP_NOSPACE;
                   1323:        term_word(p, "\\(rB");
                   1324: }
                   1325:
                   1326:
                   1327: /* ARGSUSED */
                   1328: static int
                   1329: termp_xr_pre(DECL_ARGS)
                   1330: {
                   1331:        const struct mdoc_node *n;
                   1332:
1.11      kristaps 1333:        assert(node->child && MDOC_TEXT == node->child->type);
                   1334:        n = node->child;
                   1335:
1.1       kristaps 1336:        term_word(p, n->string);
                   1337:        if (NULL == (n = n->next))
                   1338:                return(0);
                   1339:        p->flags |= TERMP_NOSPACE;
                   1340:        term_word(p, "(");
                   1341:        p->flags |= TERMP_NOSPACE;
                   1342:        term_word(p, n->string);
                   1343:        p->flags |= TERMP_NOSPACE;
                   1344:        term_word(p, ")");
                   1345:        return(0);
                   1346: }
                   1347:
                   1348:
                   1349: /* ARGSUSED */
                   1350: static int
                   1351: termp_vt_pre(DECL_ARGS)
                   1352: {
                   1353:
                   1354:        /* FIXME: this can be "type name". */
1.29      kristaps 1355:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1356:        return(1);
                   1357: }
                   1358:
                   1359:
                   1360: /* ARGSUSED */
                   1361: static void
                   1362: termp_vt_post(DECL_ARGS)
                   1363: {
                   1364:
1.32      kristaps 1365:        if (node->sec != SEC_SYNOPSIS)
                   1366:                return;
                   1367:        if (node->next && MDOC_Vt == node->next->tok)
                   1368:                term_newln(p);
                   1369:        else if (node->next)
1.1       kristaps 1370:                term_vspace(p);
                   1371: }
                   1372:
                   1373:
                   1374: /* ARGSUSED */
                   1375: static int
                   1376: termp_fd_pre(DECL_ARGS)
                   1377: {
                   1378:
1.29      kristaps 1379:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1380:        return(1);
                   1381: }
                   1382:
                   1383:
                   1384: /* ARGSUSED */
                   1385: static void
                   1386: termp_fd_post(DECL_ARGS)
                   1387: {
                   1388:
                   1389:        if (node->sec != SEC_SYNOPSIS)
                   1390:                return;
1.29      kristaps 1391:
1.1       kristaps 1392:        term_newln(p);
                   1393:        if (node->next && MDOC_Fd != node->next->tok)
                   1394:                term_vspace(p);
                   1395: }
                   1396:
                   1397:
                   1398: /* ARGSUSED */
                   1399: static int
                   1400: termp_sh_pre(DECL_ARGS)
                   1401: {
1.64      kristaps 1402:        /*
1.65      kristaps 1403:         * XXX: undocumented: using two `Sh' macros in sequence has no
                   1404:         * vspace between calls, only a newline.
1.64      kristaps 1405:         */
1.1       kristaps 1406:        switch (node->type) {
1.65      kristaps 1407:        case (MDOC_BLOCK):
                   1408:                if (node->prev && MDOC_Sh == node->prev->tok)
                   1409:                        if (NULL == node->prev->body->child)
                   1410:                                break;
                   1411:                term_vspace(p);
                   1412:                break;
1.1       kristaps 1413:        case (MDOC_HEAD):
1.28      kristaps 1414:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1415:                break;
                   1416:        case (MDOC_BODY):
                   1417:                p->offset = INDENT;
                   1418:                break;
                   1419:        default:
                   1420:                break;
                   1421:        }
                   1422:        return(1);
                   1423: }
                   1424:
                   1425:
                   1426: /* ARGSUSED */
                   1427: static void
                   1428: termp_sh_post(DECL_ARGS)
                   1429: {
                   1430:
                   1431:        switch (node->type) {
                   1432:        case (MDOC_HEAD):
                   1433:                term_newln(p);
                   1434:                break;
                   1435:        case (MDOC_BODY):
                   1436:                term_newln(p);
                   1437:                p->offset = 0;
                   1438:                break;
                   1439:        default:
                   1440:                break;
                   1441:        }
                   1442: }
                   1443:
                   1444:
                   1445: /* ARGSUSED */
                   1446: static int
                   1447: termp_op_pre(DECL_ARGS)
                   1448: {
                   1449:
                   1450:        switch (node->type) {
                   1451:        case (MDOC_BODY):
                   1452:                term_word(p, "\\(lB");
                   1453:                p->flags |= TERMP_NOSPACE;
                   1454:                break;
                   1455:        default:
                   1456:                break;
                   1457:        }
                   1458:        return(1);
                   1459: }
                   1460:
                   1461:
                   1462: /* ARGSUSED */
                   1463: static int
                   1464: termp_bt_pre(DECL_ARGS)
                   1465: {
                   1466:
                   1467:        term_word(p, "is currently in beta test.");
                   1468:        return(1);
                   1469: }
                   1470:
                   1471:
                   1472: /* ARGSUSED */
                   1473: static void
                   1474: termp_lb_post(DECL_ARGS)
                   1475: {
                   1476:
                   1477:        term_newln(p);
                   1478: }
                   1479:
                   1480:
                   1481: /* ARGSUSED */
                   1482: static int
                   1483: termp_ud_pre(DECL_ARGS)
                   1484: {
                   1485:
                   1486:        term_word(p, "currently under development.");
                   1487:        return(1);
                   1488: }
                   1489:
                   1490:
                   1491: /* ARGSUSED */
                   1492: static int
                   1493: termp_d1_pre(DECL_ARGS)
                   1494: {
                   1495:
1.4       kristaps 1496:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1497:                return(1);
                   1498:        term_newln(p);
1.29      kristaps 1499:        p->offset += (INDENT + 1);
1.1       kristaps 1500:        return(1);
                   1501: }
                   1502:
                   1503:
                   1504: /* ARGSUSED */
                   1505: static void
                   1506: termp_d1_post(DECL_ARGS)
                   1507: {
                   1508:
1.4       kristaps 1509:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1510:                return;
                   1511:        term_newln(p);
                   1512: }
                   1513:
                   1514:
                   1515: /* ARGSUSED */
                   1516: static int
                   1517: termp_aq_pre(DECL_ARGS)
                   1518: {
                   1519:
                   1520:        if (MDOC_BODY != node->type)
                   1521:                return(1);
                   1522:        term_word(p, "\\(la");
                   1523:        p->flags |= TERMP_NOSPACE;
                   1524:        return(1);
                   1525: }
                   1526:
                   1527:
                   1528: /* ARGSUSED */
                   1529: static void
                   1530: termp_aq_post(DECL_ARGS)
                   1531: {
                   1532:
                   1533:        if (MDOC_BODY != node->type)
                   1534:                return;
                   1535:        p->flags |= TERMP_NOSPACE;
                   1536:        term_word(p, "\\(ra");
                   1537: }
                   1538:
                   1539:
                   1540: /* ARGSUSED */
                   1541: static int
                   1542: termp_ft_pre(DECL_ARGS)
                   1543: {
                   1544:
                   1545:        if (SEC_SYNOPSIS == node->sec)
                   1546:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1547:                        term_vspace(p);
1.28      kristaps 1548:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1549:        return(1);
                   1550: }
                   1551:
                   1552:
                   1553: /* ARGSUSED */
                   1554: static void
                   1555: termp_ft_post(DECL_ARGS)
                   1556: {
                   1557:
                   1558:        if (SEC_SYNOPSIS == node->sec)
                   1559:                term_newln(p);
                   1560: }
                   1561:
                   1562:
                   1563: /* ARGSUSED */
                   1564: static int
                   1565: termp_fn_pre(DECL_ARGS)
                   1566: {
                   1567:        const struct mdoc_node *n;
                   1568:
1.11      kristaps 1569:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1570:
                   1571:        /* FIXME: can be "type funcname" "type varname"... */
                   1572:
                   1573:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1574:        term_word(p, node->child->string);
                   1575:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1576:
                   1577:        p->flags |= TERMP_NOSPACE;
                   1578:        term_word(p, "(");
                   1579:
                   1580:        for (n = node->child->next; n; n = n->next) {
                   1581:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1582:                term_word(p, n->string);
                   1583:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1584:                if (n->next)
                   1585:                        term_word(p, ",");
                   1586:        }
                   1587:
                   1588:        term_word(p, ")");
                   1589:
                   1590:        if (SEC_SYNOPSIS == node->sec)
                   1591:                term_word(p, ";");
                   1592:
                   1593:        return(0);
                   1594: }
                   1595:
                   1596:
                   1597: /* ARGSUSED */
                   1598: static void
                   1599: termp_fn_post(DECL_ARGS)
                   1600: {
                   1601:
                   1602:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1603:                term_vspace(p);
                   1604: }
                   1605:
                   1606:
                   1607: /* ARGSUSED */
                   1608: static int
                   1609: termp_sx_pre(DECL_ARGS)
                   1610: {
                   1611:
1.28      kristaps 1612:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1613:        return(1);
                   1614: }
                   1615:
                   1616:
                   1617: /* ARGSUSED */
                   1618: static int
                   1619: termp_fa_pre(DECL_ARGS)
                   1620: {
                   1621:        struct mdoc_node *n;
                   1622:
                   1623:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1624:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1625:                return(1);
                   1626:        }
                   1627:
                   1628:        for (n = node->child; n; n = n->next) {
                   1629:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1630:                term_word(p, n->string);
                   1631:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1632:                if (n->next)
                   1633:                        term_word(p, ",");
                   1634:        }
                   1635:
                   1636:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1637:                term_word(p, ",");
                   1638:
                   1639:        return(0);
                   1640: }
                   1641:
                   1642:
                   1643: /* ARGSUSED */
                   1644: static int
                   1645: termp_va_pre(DECL_ARGS)
                   1646: {
                   1647:
1.28      kristaps 1648:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1649:        return(1);
                   1650: }
                   1651:
                   1652:
                   1653: /* ARGSUSED */
                   1654: static int
                   1655: termp_bd_pre(DECL_ARGS)
                   1656: {
1.60      kristaps 1657:        int              i, type;
1.1       kristaps 1658:
                   1659:        /*
                   1660:         * This is fairly tricky due primarily to crappy documentation.
                   1661:         * If -ragged or -filled are specified, the block does nothing
                   1662:         * but change the indentation.
                   1663:         *
                   1664:         * If, on the other hand, -unfilled or -literal are specified,
                   1665:         * then the game changes.  Text is printed exactly as entered in
                   1666:         * the display: if a macro line, a newline is appended to the
                   1667:         * line.  Blank lines are allowed.
                   1668:         */
                   1669:
1.54      kristaps 1670:        if (MDOC_BLOCK == node->type) {
                   1671:                fmt_block_vspace(p, node, node);
                   1672:                return(1);
                   1673:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1674:                return(1);
                   1675:
1.60      kristaps 1676:        assert(node->parent->args);
1.11      kristaps 1677:
1.60      kristaps 1678:        for (type = -1, i = 0; -1 == type &&
1.1       kristaps 1679:                        i < (int)node->parent->args->argc; i++) {
                   1680:                switch (node->parent->args->argv[i].arg) {
                   1681:                case (MDOC_Ragged):
                   1682:                        /* FALLTHROUGH */
                   1683:                case (MDOC_Filled):
                   1684:                        /* FALLTHROUGH */
                   1685:                case (MDOC_Unfilled):
                   1686:                        /* FALLTHROUGH */
                   1687:                case (MDOC_Literal):
                   1688:                        type = node->parent->args->argv[i].arg;
                   1689:                        break;
                   1690:                default:
                   1691:                        break;
                   1692:                }
                   1693:        }
1.60      kristaps 1694:
                   1695:        assert(type > -1);
1.1       kristaps 1696:
                   1697:        i = arg_getattr(MDOC_Offset, node->parent);
1.60      kristaps 1698:        if (-1 != i)
1.1       kristaps 1699:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1700:
                   1701:        switch (type) {
                   1702:        case (MDOC_Literal):
                   1703:                /* FALLTHROUGH */
                   1704:        case (MDOC_Unfilled):
                   1705:                break;
                   1706:        default:
                   1707:                return(1);
                   1708:        }
                   1709:
                   1710:        for (node = node->child; node; node = node->next) {
1.60      kristaps 1711:                p->flags |= TERMP_NOSPACE;
                   1712:                print_node(p, pair, meta, node);
                   1713:                if (node->next)
1.1       kristaps 1714:                        term_flushln(p);
                   1715:        }
                   1716:
                   1717:        return(0);
                   1718: }
                   1719:
                   1720:
                   1721: /* ARGSUSED */
                   1722: static void
                   1723: termp_bd_post(DECL_ARGS)
                   1724: {
                   1725:
                   1726:        if (MDOC_BODY != node->type)
                   1727:                return;
1.60      kristaps 1728:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1729:        term_flushln(p);
                   1730: }
                   1731:
                   1732:
                   1733: /* ARGSUSED */
                   1734: static int
                   1735: termp_qq_pre(DECL_ARGS)
                   1736: {
                   1737:
                   1738:        if (MDOC_BODY != node->type)
                   1739:                return(1);
                   1740:        term_word(p, "\"");
                   1741:        p->flags |= TERMP_NOSPACE;
                   1742:        return(1);
                   1743: }
                   1744:
                   1745:
                   1746: /* ARGSUSED */
                   1747: static void
                   1748: termp_qq_post(DECL_ARGS)
                   1749: {
                   1750:
                   1751:        if (MDOC_BODY != node->type)
                   1752:                return;
                   1753:        p->flags |= TERMP_NOSPACE;
                   1754:        term_word(p, "\"");
                   1755: }
                   1756:
                   1757:
                   1758: /* ARGSUSED */
                   1759: static void
                   1760: termp_bx_post(DECL_ARGS)
                   1761: {
                   1762:
                   1763:        if (node->child)
                   1764:                p->flags |= TERMP_NOSPACE;
                   1765:        term_word(p, "BSD");
                   1766: }
                   1767:
                   1768:
                   1769: /* ARGSUSED */
                   1770: static int
1.26      kristaps 1771: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1772: {
1.26      kristaps 1773:        const char      *pp;
1.1       kristaps 1774:
1.26      kristaps 1775:        pp = NULL;
                   1776:        switch (node->tok) {
                   1777:        case (MDOC_Bsx):
                   1778:                pp = "BSDI BSD/OS";
                   1779:                break;
                   1780:        case (MDOC_Dx):
                   1781:                pp = "DragonFlyBSD";
                   1782:                break;
                   1783:        case (MDOC_Fx):
                   1784:                pp = "FreeBSD";
                   1785:                break;
                   1786:        case (MDOC_Nx):
                   1787:                pp = "NetBSD";
                   1788:                break;
                   1789:        case (MDOC_Ox):
                   1790:                pp = "OpenBSD";
                   1791:                break;
                   1792:        case (MDOC_Ux):
                   1793:                pp = "UNIX";
                   1794:                break;
                   1795:        default:
                   1796:                break;
                   1797:        }
1.1       kristaps 1798:
1.26      kristaps 1799:        assert(pp);
                   1800:        term_word(p, pp);
1.1       kristaps 1801:        return(1);
                   1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static int
                   1807: termp_sq_pre(DECL_ARGS)
                   1808: {
                   1809:
                   1810:        if (MDOC_BODY != node->type)
                   1811:                return(1);
                   1812:        term_word(p, "\\(oq");
                   1813:        p->flags |= TERMP_NOSPACE;
                   1814:        return(1);
                   1815: }
                   1816:
                   1817:
                   1818: /* ARGSUSED */
                   1819: static void
                   1820: termp_sq_post(DECL_ARGS)
                   1821: {
                   1822:
                   1823:        if (MDOC_BODY != node->type)
                   1824:                return;
                   1825:        p->flags |= TERMP_NOSPACE;
                   1826:        term_word(p, "\\(aq");
                   1827: }
                   1828:
                   1829:
                   1830: /* ARGSUSED */
                   1831: static int
1.57      kristaps 1832: termp_pa_pre(DECL_ARGS)
                   1833: {
                   1834:
                   1835:        pair->flag |= ttypes[TTYPE_FILE];
                   1836:        return(1);
                   1837: }
                   1838:
                   1839:
                   1840: /* ARGSUSED */
                   1841: static int
1.1       kristaps 1842: termp_pf_pre(DECL_ARGS)
                   1843: {
                   1844:
                   1845:        p->flags |= TERMP_IGNDELIM;
                   1846:        return(1);
                   1847: }
                   1848:
                   1849:
                   1850: /* ARGSUSED */
                   1851: static void
                   1852: termp_pf_post(DECL_ARGS)
                   1853: {
                   1854:
                   1855:        p->flags &= ~TERMP_IGNDELIM;
                   1856:        p->flags |= TERMP_NOSPACE;
                   1857: }
                   1858:
                   1859:
                   1860: /* ARGSUSED */
                   1861: static int
                   1862: termp_ss_pre(DECL_ARGS)
                   1863: {
                   1864:
                   1865:        switch (node->type) {
                   1866:        case (MDOC_BLOCK):
                   1867:                term_newln(p);
                   1868:                if (node->prev)
                   1869:                        term_vspace(p);
                   1870:                break;
                   1871:        case (MDOC_HEAD):
1.28      kristaps 1872:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1873:                p->offset = HALFINDENT;
1.1       kristaps 1874:                break;
                   1875:        default:
                   1876:                break;
                   1877:        }
                   1878:
                   1879:        return(1);
                   1880: }
                   1881:
                   1882:
                   1883: /* ARGSUSED */
                   1884: static void
                   1885: termp_ss_post(DECL_ARGS)
                   1886: {
                   1887:
1.29      kristaps 1888:        if (MDOC_HEAD == node->type)
1.1       kristaps 1889:                term_newln(p);
                   1890: }
                   1891:
                   1892:
                   1893: /* ARGSUSED */
                   1894: static int
                   1895: termp_em_pre(DECL_ARGS)
                   1896: {
                   1897:
1.28      kristaps 1898:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1899:        return(1);
                   1900: }
                   1901:
                   1902:
                   1903: /* ARGSUSED */
                   1904: static int
                   1905: termp_cd_pre(DECL_ARGS)
                   1906: {
                   1907:
1.28      kristaps 1908:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1909:        term_newln(p);
                   1910:        return(1);
                   1911: }
                   1912:
                   1913:
                   1914: /* ARGSUSED */
                   1915: static int
                   1916: termp_cm_pre(DECL_ARGS)
                   1917: {
                   1918:
1.28      kristaps 1919:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1920:        return(1);
                   1921: }
                   1922:
                   1923:
                   1924: /* ARGSUSED */
                   1925: static int
                   1926: termp_ic_pre(DECL_ARGS)
                   1927: {
                   1928:
1.28      kristaps 1929:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1930:        return(1);
                   1931: }
                   1932:
                   1933:
                   1934: /* ARGSUSED */
                   1935: static int
                   1936: termp_in_pre(DECL_ARGS)
                   1937: {
                   1938:
1.28      kristaps 1939:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1940:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1941:
                   1942:        if (SEC_SYNOPSIS == node->sec)
                   1943:                term_word(p, "#include");
                   1944:
1.1       kristaps 1945:        term_word(p, "<");
                   1946:        p->flags |= TERMP_NOSPACE;
                   1947:        return(1);
                   1948: }
                   1949:
                   1950:
                   1951: /* ARGSUSED */
                   1952: static void
                   1953: termp_in_post(DECL_ARGS)
                   1954: {
                   1955:
1.46      kristaps 1956:        p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
1.1       kristaps 1957:        term_word(p, ">");
1.46      kristaps 1958:        p->flags &= ~ttypes[TTYPE_INCLUDE];
1.1       kristaps 1959:
                   1960:        if (SEC_SYNOPSIS != node->sec)
                   1961:                return;
1.22      kristaps 1962:
                   1963:        term_newln(p);
                   1964:        /*
                   1965:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1966:         * the SYNOPSIS section, then it produces a single break after
                   1967:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1968:         * construction is rarely used, I think it's fine.
                   1969:         */
1.1       kristaps 1970:        if (node->next && MDOC_In != node->next->tok)
                   1971:                term_vspace(p);
                   1972: }
                   1973:
                   1974:
                   1975: /* ARGSUSED */
                   1976: static int
1.45      kristaps 1977: termp_sp_pre(DECL_ARGS)
                   1978: {
                   1979:        int              i, len;
                   1980:
                   1981:        if (NULL == node->child) {
                   1982:                term_vspace(p);
                   1983:                return(0);
                   1984:        }
                   1985:
                   1986:        len = atoi(node->child->string);
                   1987:        if (0 == len)
                   1988:                term_newln(p);
                   1989:        for (i = 0; i < len; i++)
                   1990:                term_vspace(p);
                   1991:
                   1992:        return(0);
                   1993: }
                   1994:
                   1995:
                   1996: /* ARGSUSED */
                   1997: static int
1.44      kristaps 1998: termp_br_pre(DECL_ARGS)
                   1999: {
                   2000:
                   2001:        term_newln(p);
                   2002:        return(1);
                   2003: }
                   2004:
                   2005:
                   2006: /* ARGSUSED */
                   2007: static int
1.1       kristaps 2008: termp_brq_pre(DECL_ARGS)
                   2009: {
                   2010:
                   2011:        if (MDOC_BODY != node->type)
                   2012:                return(1);
                   2013:        term_word(p, "\\(lC");
                   2014:        p->flags |= TERMP_NOSPACE;
                   2015:        return(1);
                   2016: }
                   2017:
                   2018:
                   2019: /* ARGSUSED */
                   2020: static void
                   2021: termp_brq_post(DECL_ARGS)
                   2022: {
                   2023:
                   2024:        if (MDOC_BODY != node->type)
                   2025:                return;
                   2026:        p->flags |= TERMP_NOSPACE;
                   2027:        term_word(p, "\\(rC");
                   2028: }
                   2029:
                   2030:
                   2031: /* ARGSUSED */
                   2032: static int
                   2033: termp_bq_pre(DECL_ARGS)
                   2034: {
                   2035:
                   2036:        if (MDOC_BODY != node->type)
                   2037:                return(1);
                   2038:        term_word(p, "\\(lB");
                   2039:        p->flags |= TERMP_NOSPACE;
                   2040:        return(1);
                   2041: }
                   2042:
                   2043:
                   2044: /* ARGSUSED */
                   2045: static void
                   2046: termp_bq_post(DECL_ARGS)
                   2047: {
                   2048:
                   2049:        if (MDOC_BODY != node->type)
                   2050:                return;
                   2051:        p->flags |= TERMP_NOSPACE;
                   2052:        term_word(p, "\\(rB");
                   2053: }
                   2054:
                   2055:
                   2056: /* ARGSUSED */
                   2057: static int
                   2058: termp_pq_pre(DECL_ARGS)
                   2059: {
                   2060:
                   2061:        if (MDOC_BODY != node->type)
                   2062:                return(1);
                   2063:        term_word(p, "\\&(");
                   2064:        p->flags |= TERMP_NOSPACE;
                   2065:        return(1);
                   2066: }
                   2067:
                   2068:
                   2069: /* ARGSUSED */
                   2070: static void
                   2071: termp_pq_post(DECL_ARGS)
                   2072: {
                   2073:
                   2074:        if (MDOC_BODY != node->type)
                   2075:                return;
                   2076:        term_word(p, ")");
                   2077: }
                   2078:
                   2079:
                   2080: /* ARGSUSED */
                   2081: static int
                   2082: termp_fo_pre(DECL_ARGS)
                   2083: {
                   2084:        const struct mdoc_node *n;
                   2085:
                   2086:        if (MDOC_BODY == node->type) {
1.33      kristaps 2087:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2088:                term_word(p, "(");
                   2089:                p->flags |= TERMP_NOSPACE;
                   2090:                return(1);
                   2091:        } else if (MDOC_HEAD != node->type)
                   2092:                return(1);
                   2093:
                   2094:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   2095:        for (n = node->child; n; n = n->next) {
1.11      kristaps 2096:                assert(MDOC_TEXT == n->type);
1.1       kristaps 2097:                term_word(p, n->string);
                   2098:        }
                   2099:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   2100:
                   2101:        return(0);
                   2102: }
                   2103:
                   2104:
                   2105: /* ARGSUSED */
                   2106: static void
                   2107: termp_fo_post(DECL_ARGS)
                   2108: {
                   2109:
                   2110:        if (MDOC_BODY != node->type)
                   2111:                return;
                   2112:        p->flags |= TERMP_NOSPACE;
                   2113:        term_word(p, ")");
                   2114:        p->flags |= TERMP_NOSPACE;
                   2115:        term_word(p, ";");
                   2116:        term_newln(p);
                   2117: }
                   2118:
                   2119:
                   2120: /* ARGSUSED */
                   2121: static int
                   2122: termp_bf_pre(DECL_ARGS)
                   2123: {
                   2124:        const struct mdoc_node  *n;
                   2125:
1.28      kristaps 2126:        if (MDOC_HEAD == node->type)
1.1       kristaps 2127:                return(0);
1.28      kristaps 2128:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2129:                return(1);
                   2130:
                   2131:        if (NULL == (n = node->head->child)) {
                   2132:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 2133:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2134:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 2135:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2136:
                   2137:                return(1);
                   2138:        }
                   2139:
1.11      kristaps 2140:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2141:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2142:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2143:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2144:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2145:
                   2146:        return(1);
                   2147: }
                   2148:
                   2149:
                   2150: /* ARGSUSED */
                   2151: static int
                   2152: termp_sy_pre(DECL_ARGS)
                   2153: {
                   2154:
1.28      kristaps 2155:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2156:        return(1);
                   2157: }
                   2158:
                   2159:
                   2160: /* ARGSUSED */
                   2161: static int
                   2162: termp_ms_pre(DECL_ARGS)
                   2163: {
                   2164:
1.28      kristaps 2165:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2166:        return(1);
                   2167: }
                   2168:
                   2169:
                   2170:
                   2171: /* ARGSUSED */
                   2172: static int
                   2173: termp_sm_pre(DECL_ARGS)
                   2174: {
                   2175:
1.11      kristaps 2176:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2177:        if (0 == strcmp("on", node->child->string)) {
                   2178:                p->flags &= ~TERMP_NONOSPACE;
                   2179:                p->flags &= ~TERMP_NOSPACE;
                   2180:        } else
                   2181:                p->flags |= TERMP_NONOSPACE;
                   2182:
                   2183:        return(0);
                   2184: }
                   2185:
                   2186:
                   2187: /* ARGSUSED */
                   2188: static int
                   2189: termp_ap_pre(DECL_ARGS)
                   2190: {
                   2191:
                   2192:        p->flags |= TERMP_NOSPACE;
                   2193:        term_word(p, "\\(aq");
                   2194:        p->flags |= TERMP_NOSPACE;
                   2195:        return(1);
                   2196: }
                   2197:
                   2198:
                   2199: /* ARGSUSED */
                   2200: static int
                   2201: termp__j_pre(DECL_ARGS)
                   2202: {
                   2203:
1.28      kristaps 2204:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2205:        return(1);
                   2206: }
                   2207:
                   2208:
                   2209: /* ARGSUSED */
                   2210: static int
                   2211: termp__t_pre(DECL_ARGS)
                   2212: {
                   2213:
1.56      kristaps 2214:        pair->flag |= ttypes[TTYPE_REF_TITLE];
1.1       kristaps 2215:        return(1);
                   2216: }
                   2217:
                   2218:
                   2219: /* ARGSUSED */
                   2220: static void
                   2221: termp____post(DECL_ARGS)
                   2222: {
                   2223:
                   2224:        p->flags |= TERMP_NOSPACE;
                   2225:        term_word(p, node->next ? "," : ".");
                   2226: }
                   2227:
                   2228:
                   2229: /* ARGSUSED */
                   2230: static int
                   2231: termp_lk_pre(DECL_ARGS)
                   2232: {
                   2233:        const struct mdoc_node *n;
                   2234:
1.11      kristaps 2235:        assert(node->child);
                   2236:        n = node->child;
1.1       kristaps 2237:
1.12      kristaps 2238:        if (NULL == n->next) {
1.28      kristaps 2239:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2240:                return(1);
                   2241:        }
                   2242:
1.1       kristaps 2243:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2244:        term_word(p, n->string);
                   2245:        p->flags |= TERMP_NOSPACE;
                   2246:        term_word(p, ":");
1.12      kristaps 2247:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2248:
                   2249:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2250:        for (n = n->next; n; n = n->next)
1.1       kristaps 2251:                term_word(p, n->string);
1.12      kristaps 2252:
1.1       kristaps 2253:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2254:        return(0);
                   2255: }
                   2256:
                   2257:
                   2258: /* ARGSUSED */
                   2259: static int
                   2260: termp_mt_pre(DECL_ARGS)
                   2261: {
                   2262:
1.28      kristaps 2263:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2264:        return(1);
                   2265: }
                   2266:
                   2267:

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