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Annotation of mandoc/mdoc_term.c, Revision 1.59

1.59    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.58 2009/07/23 08:36:32 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
                     29: /* FIXME: macro arguments can be escaped. */
                     30:
                     31: #define        TTYPE_PROG        0
                     32: #define        TTYPE_CMD_FLAG    1
                     33: #define        TTYPE_CMD_ARG     2
                     34: #define        TTYPE_SECTION     3
                     35: #define        TTYPE_FUNC_DECL   4
                     36: #define        TTYPE_VAR_DECL    5
                     37: #define        TTYPE_FUNC_TYPE   6
                     38: #define        TTYPE_FUNC_NAME   7
                     39: #define        TTYPE_FUNC_ARG    8
                     40: #define        TTYPE_LINK        9
                     41: #define        TTYPE_SSECTION    10
                     42: #define        TTYPE_FILE        11
                     43: #define        TTYPE_EMPH        12
                     44: #define        TTYPE_CONFIG      13
                     45: #define        TTYPE_CMD         14
                     46: #define        TTYPE_INCLUDE     15
                     47: #define        TTYPE_SYMB        16
                     48: #define        TTYPE_SYMBOL      17
                     49: #define        TTYPE_DIAG        18
                     50: #define        TTYPE_LINK_ANCHOR 19
                     51: #define        TTYPE_LINK_TEXT   20
                     52: #define        TTYPE_REF_JOURNAL 21
1.56      kristaps   53: #define        TTYPE_REF_TITLE   22
                     54: #define        TTYPE_LIST        23
                     55: #define        TTYPE_NMAX        24
1.1       kristaps   56:
                     57: const  int ttypes[TTYPE_NMAX] = {
                     58:        TERMP_BOLD,             /* TTYPE_PROG */
                     59:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     60:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     61:        TERMP_BOLD,             /* TTYPE_SECTION */
                     62:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     63:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     64:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     65:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     66:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     67:        TERMP_UNDER,            /* TTYPE_LINK */
                     68:        TERMP_BOLD,             /* TTYPE_SSECTION */
1.57      kristaps   69:        TERMP_UNDER,            /* TTYPE_FILE */
1.1       kristaps   70:        TERMP_UNDER,            /* TTYPE_EMPH */
                     71:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     72:        TERMP_BOLD,             /* TTYPE_CMD */
                     73:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     74:        TERMP_BOLD,             /* TTYPE_SYMB */
                     75:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     76:        TERMP_BOLD,             /* TTYPE_DIAG */
                     77:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     78:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     79:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
1.56      kristaps   80:        TERMP_UNDER,            /* TTYPE_REF_TITLE */
1.1       kristaps   81:        TERMP_BOLD              /* TTYPE_LIST */
                     82: };
                     83:
                     84: struct termpair {
                     85:        struct termpair  *ppair;
1.31      kristaps   86:        int               flag;
                     87:        int               count;
1.1       kristaps   88: };
                     89:
1.31      kristaps   90: #define        DECL_ARGS struct termp *p, \
                     91:                  struct termpair *pair, \
                     92:                  const struct mdoc_meta *meta, \
                     93:                  const struct mdoc_node *node
1.1       kristaps   94:
                     95: struct termact {
                     96:        int     (*pre)(DECL_ARGS);
                     97:        void    (*post)(DECL_ARGS);
                     98: };
                     99:
1.31      kristaps  100: static void      termp____post(DECL_ARGS);
                    101: static void      termp_aq_post(DECL_ARGS);
                    102: static void      termp_bd_post(DECL_ARGS);
                    103: static void      termp_bl_post(DECL_ARGS);
                    104: static void      termp_bq_post(DECL_ARGS);
                    105: static void      termp_brq_post(DECL_ARGS);
                    106: static void      termp_bx_post(DECL_ARGS);
                    107: static void      termp_d1_post(DECL_ARGS);
                    108: static void      termp_dq_post(DECL_ARGS);
                    109: static void      termp_fd_post(DECL_ARGS);
                    110: static void      termp_fn_post(DECL_ARGS);
                    111: static void      termp_fo_post(DECL_ARGS);
                    112: static void      termp_ft_post(DECL_ARGS);
                    113: static void      termp_in_post(DECL_ARGS);
                    114: static void      termp_it_post(DECL_ARGS);
                    115: static void      termp_lb_post(DECL_ARGS);
                    116: static void      termp_op_post(DECL_ARGS);
                    117: static void      termp_pf_post(DECL_ARGS);
                    118: static void      termp_pq_post(DECL_ARGS);
                    119: static void      termp_qq_post(DECL_ARGS);
                    120: static void      termp_sh_post(DECL_ARGS);
                    121: static void      termp_sq_post(DECL_ARGS);
                    122: static void      termp_ss_post(DECL_ARGS);
                    123: static void      termp_vt_post(DECL_ARGS);
                    124:
                    125: static int       termp__j_pre(DECL_ARGS);
                    126: static int       termp__t_pre(DECL_ARGS);
                    127: static int       termp_ap_pre(DECL_ARGS);
                    128: static int       termp_aq_pre(DECL_ARGS);
                    129: static int       termp_ar_pre(DECL_ARGS);
                    130: static int       termp_bd_pre(DECL_ARGS);
                    131: static int       termp_bf_pre(DECL_ARGS);
                    132: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  133: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  134: static int       termp_brq_pre(DECL_ARGS);
                    135: static int       termp_bt_pre(DECL_ARGS);
                    136: static int       termp_cd_pre(DECL_ARGS);
                    137: static int       termp_cm_pre(DECL_ARGS);
                    138: static int       termp_d1_pre(DECL_ARGS);
                    139: static int       termp_dq_pre(DECL_ARGS);
                    140: static int       termp_em_pre(DECL_ARGS);
                    141: static int       termp_ex_pre(DECL_ARGS);
                    142: static int       termp_fa_pre(DECL_ARGS);
                    143: static int       termp_fd_pre(DECL_ARGS);
                    144: static int       termp_fl_pre(DECL_ARGS);
                    145: static int       termp_fn_pre(DECL_ARGS);
                    146: static int       termp_fo_pre(DECL_ARGS);
                    147: static int       termp_ft_pre(DECL_ARGS);
                    148: static int       termp_ic_pre(DECL_ARGS);
                    149: static int       termp_in_pre(DECL_ARGS);
                    150: static int       termp_it_pre(DECL_ARGS);
                    151: static int       termp_lk_pre(DECL_ARGS);
                    152: static int       termp_ms_pre(DECL_ARGS);
                    153: static int       termp_mt_pre(DECL_ARGS);
                    154: static int       termp_nd_pre(DECL_ARGS);
                    155: static int       termp_nm_pre(DECL_ARGS);
                    156: static int       termp_ns_pre(DECL_ARGS);
                    157: static int       termp_op_pre(DECL_ARGS);
1.57      kristaps  158: static int       termp_pa_pre(DECL_ARGS);
1.31      kristaps  159: static int       termp_pf_pre(DECL_ARGS);
                    160: static int       termp_pp_pre(DECL_ARGS);
                    161: static int       termp_pq_pre(DECL_ARGS);
                    162: static int       termp_qq_pre(DECL_ARGS);
                    163: static int       termp_rs_pre(DECL_ARGS);
                    164: static int       termp_rv_pre(DECL_ARGS);
                    165: static int       termp_sh_pre(DECL_ARGS);
                    166: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  167: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  168: static int       termp_sq_pre(DECL_ARGS);
                    169: static int       termp_ss_pre(DECL_ARGS);
                    170: static int       termp_sx_pre(DECL_ARGS);
                    171: static int       termp_sy_pre(DECL_ARGS);
                    172: static int       termp_ud_pre(DECL_ARGS);
                    173: static int       termp_va_pre(DECL_ARGS);
                    174: static int       termp_vt_pre(DECL_ARGS);
                    175: static int       termp_xr_pre(DECL_ARGS);
                    176: static int       termp_xx_pre(DECL_ARGS);
                    177:
1.1       kristaps  178: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  179:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  180:        { NULL, NULL }, /* Dd */
                    181:        { NULL, NULL }, /* Dt */
                    182:        { NULL, NULL }, /* Os */
                    183:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    184:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    185:        { termp_pp_pre, NULL }, /* Pp */
                    186:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    187:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    188:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    189:        { NULL, NULL }, /* Ed */
                    190:        { NULL, termp_bl_post }, /* Bl */
                    191:        { NULL, NULL }, /* El */
                    192:        { termp_it_pre, termp_it_post }, /* It */
                    193:        { NULL, NULL }, /* Ad */
                    194:        { NULL, NULL }, /* An */
                    195:        { termp_ar_pre, NULL }, /* Ar */
                    196:        { termp_cd_pre, NULL }, /* Cd */
                    197:        { termp_cm_pre, NULL }, /* Cm */
                    198:        { NULL, NULL }, /* Dv */
                    199:        { NULL, NULL }, /* Er */
                    200:        { NULL, NULL }, /* Ev */
                    201:        { termp_ex_pre, NULL }, /* Ex */
                    202:        { termp_fa_pre, NULL }, /* Fa */
                    203:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    204:        { termp_fl_pre, NULL }, /* Fl */
                    205:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    206:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    207:        { termp_ic_pre, NULL }, /* Ic */
                    208:        { termp_in_pre, termp_in_post }, /* In */
                    209:        { NULL, NULL }, /* Li */
                    210:        { termp_nd_pre, NULL }, /* Nd */
                    211:        { termp_nm_pre, NULL }, /* Nm */
                    212:        { termp_op_pre, termp_op_post }, /* Op */
                    213:        { NULL, NULL }, /* Ot */
1.57      kristaps  214:        { termp_pa_pre, NULL }, /* Pa */
1.1       kristaps  215:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  216:        { NULL, NULL }, /* St */
1.1       kristaps  217:        { termp_va_pre, NULL }, /* Va */
                    218:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    219:        { termp_xr_pre, NULL }, /* Xr */
                    220:        { NULL, termp____post }, /* %A */
                    221:        { NULL, termp____post }, /* %B */
                    222:        { NULL, termp____post }, /* %D */
                    223:        { NULL, termp____post }, /* %I */
                    224:        { termp__j_pre, termp____post }, /* %J */
                    225:        { NULL, termp____post }, /* %N */
                    226:        { NULL, termp____post }, /* %O */
                    227:        { NULL, termp____post }, /* %P */
                    228:        { NULL, termp____post }, /* %R */
1.56      kristaps  229:        { termp__t_pre, termp____post }, /* %T */
1.1       kristaps  230:        { NULL, termp____post }, /* %V */
                    231:        { NULL, NULL }, /* Ac */
                    232:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    233:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  234:        { NULL, NULL }, /* At */
1.1       kristaps  235:        { NULL, NULL }, /* Bc */
                    236:        { termp_bf_pre, NULL }, /* Bf */
                    237:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    238:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  239:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  240:        { NULL, termp_bx_post }, /* Bx */
                    241:        { NULL, NULL }, /* Db */
                    242:        { NULL, NULL }, /* Dc */
                    243:        { termp_dq_pre, termp_dq_post }, /* Do */
                    244:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    245:        { NULL, NULL }, /* Ec */
                    246:        { NULL, NULL }, /* Ef */
                    247:        { termp_em_pre, NULL }, /* Em */
                    248:        { NULL, NULL }, /* Eo */
1.26      kristaps  249:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  250:        { termp_ms_pre, NULL }, /* Ms */
                    251:        { NULL, NULL }, /* No */
                    252:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  253:        { termp_xx_pre, NULL }, /* Nx */
                    254:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  255:        { NULL, NULL }, /* Pc */
                    256:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    257:        { termp_pq_pre, termp_pq_post }, /* Po */
                    258:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    259:        { NULL, NULL }, /* Qc */
                    260:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    261:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    262:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    263:        { NULL, NULL }, /* Re */
                    264:        { termp_rs_pre, NULL }, /* Rs */
                    265:        { NULL, NULL }, /* Sc */
                    266:        { termp_sq_pre, termp_sq_post }, /* So */
                    267:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    268:        { termp_sm_pre, NULL }, /* Sm */
                    269:        { termp_sx_pre, NULL }, /* Sx */
                    270:        { termp_sy_pre, NULL }, /* Sy */
                    271:        { NULL, NULL }, /* Tn */
1.26      kristaps  272:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  273:        { NULL, NULL }, /* Xc */
                    274:        { NULL, NULL }, /* Xo */
                    275:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    276:        { NULL, NULL }, /* Fc */
                    277:        { termp_op_pre, termp_op_post }, /* Oo */
                    278:        { NULL, NULL }, /* Oc */
                    279:        { NULL, NULL }, /* Bk */
                    280:        { NULL, NULL }, /* Ek */
                    281:        { termp_bt_pre, NULL }, /* Bt */
                    282:        { NULL, NULL }, /* Hf */
                    283:        { NULL, NULL }, /* Fr */
                    284:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  285:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  286:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  287:        { termp_lk_pre, NULL }, /* Lk */
                    288:        { termp_mt_pre, NULL }, /* Mt */
                    289:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    290:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    291:        { NULL, NULL }, /* Brc */
                    292:        { NULL, NULL }, /* %C */
                    293:        { NULL, NULL }, /* Es */
                    294:        { NULL, NULL }, /* En */
1.26      kristaps  295:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  296:        { NULL, NULL }, /* %Q */
1.44      kristaps  297:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  298:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  299: };
                    300:
1.2       kristaps  301: #ifdef __linux__
1.9       kristaps  302: extern size_t    strlcpy(char *, const char *, size_t);
                    303: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  304: #endif
                    305:
1.1       kristaps  306: static int       arg_hasattr(int, const struct mdoc_node *);
                    307: static int       arg_getattrs(const int *, int *, size_t,
                    308:                        const struct mdoc_node *);
                    309: static int       arg_getattr(int, const struct mdoc_node *);
                    310: static size_t    arg_offset(const struct mdoc_argv *);
                    311: static size_t    arg_width(const struct mdoc_argv *, int);
                    312: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  313: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  314:                        const struct mdoc_node *,
                    315:                        const struct mdoc_node *);
1.3       kristaps  316: static void      print_node(DECL_ARGS);
                    317: static void      print_head(struct termp *,
1.1       kristaps  318:                        const struct mdoc_meta *);
1.3       kristaps  319: static void      print_body(DECL_ARGS);
                    320: static void      print_foot(struct termp *,
1.1       kristaps  321:                        const struct mdoc_meta *);
                    322:
                    323:
                    324: int
                    325: mdoc_run(struct termp *p, const struct mdoc *m)
                    326: {
1.9       kristaps  327:        /*
                    328:         * Main output function.  When this is called, assume that the
                    329:         * tree is properly formed.
                    330:         */
1.3       kristaps  331:        print_head(p, mdoc_meta(m));
1.14      kristaps  332:        assert(mdoc_node(m));
                    333:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    334:        if (mdoc_node(m)->child)
                    335:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  336:        print_foot(p, mdoc_meta(m));
                    337:        return(1);
1.1       kristaps  338: }
                    339:
                    340:
1.3       kristaps  341: static void
1.1       kristaps  342: print_body(DECL_ARGS)
                    343: {
                    344:
1.3       kristaps  345:        print_node(p, pair, meta, node);
1.1       kristaps  346:        if ( ! node->next)
1.3       kristaps  347:                return;
                    348:        print_body(p, pair, meta, node->next);
1.1       kristaps  349: }
                    350:
                    351:
1.3       kristaps  352: static void
1.1       kristaps  353: print_node(DECL_ARGS)
                    354: {
                    355:        int              dochild;
                    356:        struct termpair  npair;
1.30      kristaps  357:        size_t           offset, rmargin;
1.1       kristaps  358:
                    359:        dochild = 1;
1.29      kristaps  360:        offset = p->offset;
1.30      kristaps  361:        rmargin = p->rmargin;
1.29      kristaps  362:
1.1       kristaps  363:        npair.ppair = pair;
                    364:        npair.flag = 0;
                    365:        npair.count = 0;
                    366:
1.46      kristaps  367:        /*
                    368:         * Note on termpair.  This allows a pre function to set a termp
                    369:         * flag that is automatically unset after the body, but before
                    370:         * the post function.  Thus, if a pre uses a termpair flag, it
                    371:         * must be reapplied in the post for use.
                    372:         */
                    373:
1.1       kristaps  374:        if (MDOC_TEXT != node->type) {
                    375:                if (termacts[node->tok].pre)
                    376:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    377:                                dochild = 0;
                    378:        } else /* MDOC_TEXT == node->type */
                    379:                term_word(p, node->string);
                    380:
                    381:        /* Children. */
                    382:
1.28      kristaps  383:        p->flags |= npair.flag;
1.1       kristaps  384:
                    385:        if (dochild && node->child)
                    386:                print_body(p, &npair, meta, node->child);
                    387:
1.46      kristaps  388:        p->flags &= ~npair.flag;
                    389:
1.1       kristaps  390:        /* Post-processing. */
                    391:
                    392:        if (MDOC_TEXT != node->type)
                    393:                if (termacts[node->tok].post)
                    394:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  395:
                    396:        p->offset = offset;
1.30      kristaps  397:        p->rmargin = rmargin;
1.1       kristaps  398: }
                    399:
                    400:
1.3       kristaps  401: static void
1.1       kristaps  402: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    403: {
                    404:        struct tm       *tm;
                    405:        char            *buf, *os;
                    406:
1.9       kristaps  407:        /*
                    408:         * Output the footer in new-groff style, that is, three columns
                    409:         * with the middle being the manual date and flanking columns
                    410:         * being the operating system:
                    411:         *
                    412:         * SYSTEM                  DATE                    SYSTEM
                    413:         */
                    414:
1.1       kristaps  415:        if (NULL == (buf = malloc(p->rmargin)))
                    416:                err(1, "malloc");
                    417:        if (NULL == (os = malloc(p->rmargin)))
                    418:                err(1, "malloc");
                    419:
                    420:        tm = localtime(&meta->date);
                    421:
1.42      kristaps  422:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  423:                err(1, "strftime");
                    424:
                    425:        (void)strlcpy(os, meta->os, p->rmargin);
                    426:
                    427:        term_vspace(p);
                    428:
1.9       kristaps  429:        p->offset = 0;
                    430:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  431:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    432:
                    433:        term_word(p, os);
                    434:        term_flushln(p);
                    435:
1.9       kristaps  436:        p->offset = p->rmargin;
                    437:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  438:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  439:
                    440:        term_word(p, buf);
                    441:        term_flushln(p);
                    442:
1.1       kristaps  443:        p->offset = p->rmargin;
                    444:        p->rmargin = p->maxrmargin;
                    445:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  446:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  447:
1.9       kristaps  448:        term_word(p, os);
1.1       kristaps  449:        term_flushln(p);
                    450:
1.9       kristaps  451:        p->offset = 0;
                    452:        p->rmargin = p->maxrmargin;
                    453:        p->flags = 0;
                    454:
1.1       kristaps  455:        free(buf);
                    456:        free(os);
                    457: }
                    458:
                    459:
1.3       kristaps  460: static void
1.1       kristaps  461: print_head(struct termp *p, const struct mdoc_meta *meta)
                    462: {
                    463:        char            *buf, *title;
                    464:
                    465:        p->rmargin = p->maxrmargin;
                    466:        p->offset = 0;
                    467:
                    468:        if (NULL == (buf = malloc(p->rmargin)))
                    469:                err(1, "malloc");
                    470:        if (NULL == (title = malloc(p->rmargin)))
                    471:                err(1, "malloc");
                    472:
                    473:        /*
                    474:         * The header is strange.  It has three components, which are
                    475:         * really two with the first duplicated.  It goes like this:
                    476:         *
                    477:         * IDENTIFIER              TITLE                   IDENTIFIER
                    478:         *
                    479:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    480:         * (if given, or "unknown" if not) followed by the manual page
                    481:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    482:         * string depending on the manual volume.  If not specified, it
                    483:         * switches on the manual section.
                    484:         */
                    485:
                    486:        assert(meta->vol);
                    487:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    488:
                    489:        if (meta->arch) {
                    490:                (void)strlcat(buf, " (", p->rmargin);
                    491:                (void)strlcat(buf, meta->arch, p->rmargin);
                    492:                (void)strlcat(buf, ")", p->rmargin);
                    493:        }
                    494:
                    495:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    496:                        meta->title, meta->msec);
                    497:
                    498:        p->offset = 0;
1.8       kristaps  499:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  500:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    501:
                    502:        term_word(p, title);
                    503:        term_flushln(p);
                    504:
                    505:        p->offset = p->rmargin;
                    506:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  507:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  508:
                    509:        term_word(p, buf);
                    510:        term_flushln(p);
                    511:
                    512:        p->offset = p->rmargin;
                    513:        p->rmargin = p->maxrmargin;
                    514:        p->flags &= ~TERMP_NOBREAK;
                    515:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    516:
                    517:        term_word(p, title);
                    518:        term_flushln(p);
                    519:
1.9       kristaps  520:        p->offset = 0;
1.1       kristaps  521:        p->rmargin = p->maxrmargin;
                    522:        p->flags &= ~TERMP_NOSPACE;
                    523:
                    524:        free(title);
                    525:        free(buf);
                    526: }
                    527:
                    528:
                    529: static size_t
                    530: arg_width(const struct mdoc_argv *arg, int pos)
                    531: {
                    532:        int              i, len;
1.40      kristaps  533:        const char      *p;
1.1       kristaps  534:
                    535:        assert(pos < (int)arg->sz && pos >= 0);
                    536:        assert(arg->value[pos]);
                    537:
1.40      kristaps  538:        p = arg->value[pos];
                    539:
                    540:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  541:                return(0);
                    542:
                    543:        for (i = 0; i < len - 1; i++)
1.40      kristaps  544:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  545:                        break;
                    546:
1.40      kristaps  547:        if (i == len - 1)
                    548:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    549:                        return((size_t)atoi(p) + 2);
1.1       kristaps  550:
1.40      kristaps  551:        return((size_t)len + 2);
1.1       kristaps  552: }
                    553:
                    554:
                    555: static int
                    556: arg_listtype(const struct mdoc_node *n)
                    557: {
                    558:        int              i, len;
                    559:
                    560:        assert(MDOC_BLOCK == n->type);
                    561:
                    562:        len = (int)(n->args ? n->args->argc : 0);
                    563:
                    564:        for (i = 0; i < len; i++)
                    565:                switch (n->args->argv[i].arg) {
                    566:                case (MDOC_Bullet):
                    567:                        /* FALLTHROUGH */
                    568:                case (MDOC_Dash):
                    569:                        /* FALLTHROUGH */
                    570:                case (MDOC_Enum):
                    571:                        /* FALLTHROUGH */
                    572:                case (MDOC_Hyphen):
                    573:                        /* FALLTHROUGH */
                    574:                case (MDOC_Tag):
                    575:                        /* FALLTHROUGH */
                    576:                case (MDOC_Inset):
                    577:                        /* FALLTHROUGH */
                    578:                case (MDOC_Diag):
                    579:                        /* FALLTHROUGH */
                    580:                case (MDOC_Item):
                    581:                        /* FALLTHROUGH */
                    582:                case (MDOC_Column):
                    583:                        /* FALLTHROUGH */
1.38      kristaps  584:                case (MDOC_Hang):
                    585:                        /* FALLTHROUGH */
1.1       kristaps  586:                case (MDOC_Ohang):
                    587:                        return(n->args->argv[i].arg);
                    588:                default:
                    589:                        break;
                    590:                }
                    591:
1.38      kristaps  592:        return(-1);
1.1       kristaps  593: }
                    594:
                    595:
                    596: static size_t
                    597: arg_offset(const struct mdoc_argv *arg)
                    598: {
1.40      kristaps  599:        int              len, i;
                    600:        const char      *p;
1.1       kristaps  601:
                    602:        assert(*arg->value);
1.40      kristaps  603:        p = *arg->value;
                    604:
                    605:        if (0 == strcmp(p, "left"))
1.19      kristaps  606:                return(0);
1.40      kristaps  607:        if (0 == strcmp(p, "indent"))
1.16      kristaps  608:                return(INDENT + 1);
1.40      kristaps  609:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  610:                return((INDENT + 1) * 2);
1.10      kristaps  611:
1.40      kristaps  612:        if (0 == (len = (int)strlen(p)))
                    613:                return(0);
                    614:
                    615:        for (i = 0; i < len - 1; i++)
                    616:                if ( ! isdigit((u_char)p[i]))
                    617:                        break;
                    618:
                    619:        if (i == len - 1)
                    620:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    621:                        return((size_t)atoi(p));
1.11      kristaps  622:
1.40      kristaps  623:        return((size_t)len);
1.1       kristaps  624: }
                    625:
                    626:
                    627: static int
                    628: arg_hasattr(int arg, const struct mdoc_node *n)
                    629: {
                    630:
                    631:        return(-1 != arg_getattr(arg, n));
                    632: }
                    633:
                    634:
                    635: static int
                    636: arg_getattr(int v, const struct mdoc_node *n)
                    637: {
                    638:        int              val;
                    639:
                    640:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    641: }
                    642:
                    643:
                    644: static int
                    645: arg_getattrs(const int *keys, int *vals,
                    646:                size_t sz, const struct mdoc_node *n)
                    647: {
                    648:        int              i, j, k;
                    649:
                    650:        if (NULL == n->args)
                    651:                return(0);
                    652:
                    653:        for (k = i = 0; i < (int)n->args->argc; i++)
                    654:                for (j = 0; j < (int)sz; j++)
                    655:                        if (n->args->argv[i].arg == keys[j]) {
                    656:                                vals[j] = i;
                    657:                                k++;
                    658:                        }
                    659:        return(k);
                    660: }
                    661:
                    662:
                    663: /* ARGSUSED */
1.54      kristaps  664: static void
1.1       kristaps  665: fmt_block_vspace(struct termp *p,
                    666:                const struct mdoc_node *bl,
                    667:                const struct mdoc_node *node)
                    668: {
                    669:        const struct mdoc_node *n;
                    670:
                    671:        term_newln(p);
                    672:
1.59    ! kristaps  673:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  674:                return;
                    675:
                    676:        /*
                    677:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    678:         * then don't vspace.
                    679:         */
1.1       kristaps  680:
                    681:        for (n = node; n; n = n->parent) {
                    682:                if (MDOC_BLOCK != n->type)
                    683:                        continue;
                    684:                if (MDOC_Ss == n->tok)
1.54      kristaps  685:                        return;
1.1       kristaps  686:                if (MDOC_Sh == n->tok)
1.54      kristaps  687:                        return;
1.1       kristaps  688:                if (NULL == n->prev)
                    689:                        continue;
                    690:                break;
                    691:        }
                    692:
1.54      kristaps  693:        /*
1.55      kristaps  694:         * XXX - not documented: a `-column' does not ever assert vspace
                    695:         * within the list.
1.54      kristaps  696:         */
                    697:
1.59    ! kristaps  698:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))
1.54      kristaps  699:                if (node->prev && MDOC_It == node->prev->tok)
                    700:                        return;
                    701:
1.55      kristaps  702:        /*
                    703:         * XXX - not documented: a `-diag' without a body does not
                    704:         * assert a vspace prior to the next element.
                    705:         */
1.59    ! kristaps  706:        if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))
1.55      kristaps  707:                if (node->prev && MDOC_It == node->prev->tok) {
                    708:                        assert(node->prev->body);
                    709:                        if (NULL == node->prev->body->child)
                    710:                                return;
                    711:                }
                    712:
1.54      kristaps  713:        term_vspace(p);
1.1       kristaps  714: }
                    715:
                    716:
                    717: /* ARGSUSED */
                    718: static int
                    719: termp_dq_pre(DECL_ARGS)
                    720: {
                    721:
                    722:        if (MDOC_BODY != node->type)
                    723:                return(1);
                    724:
                    725:        term_word(p, "\\(lq");
                    726:        p->flags |= TERMP_NOSPACE;
                    727:        return(1);
                    728: }
                    729:
                    730:
                    731: /* ARGSUSED */
                    732: static void
                    733: termp_dq_post(DECL_ARGS)
                    734: {
                    735:
                    736:        if (MDOC_BODY != node->type)
                    737:                return;
                    738:
                    739:        p->flags |= TERMP_NOSPACE;
                    740:        term_word(p, "\\(rq");
                    741: }
                    742:
                    743:
                    744: /* ARGSUSED */
                    745: static int
                    746: termp_it_pre(DECL_ARGS)
                    747: {
                    748:        const struct mdoc_node *bl, *n;
                    749:        char                    buf[7];
1.39      kristaps  750:        int                     i, type, keys[3], vals[3];
1.1       kristaps  751:        size_t                  width, offset;
                    752:
1.54      kristaps  753:        if (MDOC_BLOCK == node->type) {
                    754:                fmt_block_vspace(p, node->parent->parent, node);
                    755:                return(1);
                    756:        }
1.1       kristaps  757:
                    758:        bl = node->parent->parent->parent;
                    759:
                    760:        /* Save parent attributes. */
                    761:
                    762:        pair->flag = p->flags;
                    763:
                    764:        /* Get list width and offset. */
                    765:
                    766:        keys[0] = MDOC_Width;
                    767:        keys[1] = MDOC_Offset;
                    768:        keys[2] = MDOC_Column;
                    769:
                    770:        vals[0] = vals[1] = vals[2] = -1;
                    771:
                    772:        width = offset = 0;
                    773:
                    774:        (void)arg_getattrs(keys, vals, 3, bl);
                    775:
                    776:        type = arg_listtype(bl);
1.38      kristaps  777:        assert(-1 != type);
1.1       kristaps  778:
                    779:        /* Calculate real width and offset. */
                    780:
                    781:        switch (type) {
                    782:        case (MDOC_Column):
                    783:                if (MDOC_BODY == node->type)
                    784:                        break;
1.58      kristaps  785:                /*
                    786:                 * Work around groff's column handling.  The offset is
                    787:                 * equal to the sum of all widths leading to the current
                    788:                 * column (plus the -offset value).  If this column
                    789:                 * exceeds the stated number of columns, the width is
                    790:                 * set as 0, else it's the stated column width (later
                    791:                 * the 0 will be adjusted to default 10 or, if in the
                    792:                 * last column case, set to stretch to the margin).
                    793:                 */
                    794:                for (i = 0, n = node->prev; n && n &&
                    795:                                i < (int)bl->args[vals[2]].argv->sz;
                    796:                                n = n->prev, i++)
1.1       kristaps  797:                        offset += arg_width
                    798:                                (&bl->args->argv[vals[2]], i);
1.58      kristaps  799:
                    800:                /* Whether exceeds maximum column. */
                    801:                if (i < (int)bl->args[vals[2]].argv->sz)
                    802:                        width = arg_width(&bl->args->argv[vals[2]], i);
                    803:                else
                    804:                        width = 0;
                    805:
1.1       kristaps  806:                if (vals[1] >= 0)
                    807:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    808:                break;
                    809:        default:
                    810:                if (vals[0] >= 0)
                    811:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    812:                if (vals[1] >= 0)
1.19      kristaps  813:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  814:                break;
                    815:        }
                    816:
                    817:        /*
                    818:         * List-type can override the width in the case of fixed-head
                    819:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.38      kristaps  820:         * offset.  FIXME: double-check that correct.
1.1       kristaps  821:         */
                    822:
                    823:        switch (type) {
                    824:        case (MDOC_Bullet):
                    825:                /* FALLTHROUGH */
                    826:        case (MDOC_Dash):
                    827:                /* FALLTHROUGH */
                    828:        case (MDOC_Hyphen):
                    829:                if (width < 4)
                    830:                        width = 4;
                    831:                break;
1.17      kristaps  832:        case (MDOC_Enum):
                    833:                if (width < 5)
                    834:                        width = 5;
                    835:                break;
1.38      kristaps  836:        case (MDOC_Hang):
1.39      kristaps  837:                if (0 == width)
                    838:                        width = 8;
                    839:                break;
1.49      kristaps  840:        case (MDOC_Column):
                    841:                /* FALLTHROUGH */
1.1       kristaps  842:        case (MDOC_Tag):
                    843:                if (0 == width)
                    844:                        width = 10;
                    845:                break;
                    846:        default:
                    847:                break;
                    848:        }
                    849:
                    850:        /*
1.17      kristaps  851:         * Whitespace control.  Inset bodies need an initial space,
                    852:         * while diagonal bodies need two.
1.1       kristaps  853:         */
                    854:
1.51      kristaps  855:        p->flags |= TERMP_NOSPACE;
                    856:
1.1       kristaps  857:        switch (type) {
1.51      kristaps  858:        case (MDOC_Diag):
                    859:                term_word(p, "\\ \\ ");
                    860:                break;
1.1       kristaps  861:        case (MDOC_Inset):
                    862:                if (MDOC_BODY == node->type)
1.51      kristaps  863:                        term_word(p, "\\ ");
1.1       kristaps  864:                break;
                    865:        default:
                    866:                break;
                    867:        }
                    868:
1.51      kristaps  869:        p->flags |= TERMP_NOSPACE;
                    870:
1.1       kristaps  871:        /*
                    872:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    873:         */
                    874:
                    875:        switch (type) {
                    876:        case (MDOC_Diag):
                    877:                if (MDOC_HEAD == node->type)
                    878:                        p->flags |= ttypes[TTYPE_DIAG];
                    879:                break;
                    880:        default:
                    881:                break;
                    882:        }
                    883:
                    884:        /*
                    885:         * Pad and break control.  This is the tricker part.  Lists with
                    886:         * set right-margins for the head get TERMP_NOBREAK because, if
                    887:         * they overrun the margin, they wrap to the new margin.
                    888:         * Correspondingly, the body for these types don't left-pad, as
                    889:         * the head will pad out to to the right.
                    890:         */
                    891:
                    892:        switch (type) {
                    893:        case (MDOC_Bullet):
                    894:                /* FALLTHROUGH */
                    895:        case (MDOC_Dash):
                    896:                /* FALLTHROUGH */
                    897:        case (MDOC_Enum):
                    898:                /* FALLTHROUGH */
                    899:        case (MDOC_Hyphen):
1.39      kristaps  900:                if (MDOC_HEAD == node->type)
                    901:                        p->flags |= TERMP_NOBREAK;
                    902:                else
                    903:                        p->flags |= TERMP_NOLPAD;
                    904:                break;
1.38      kristaps  905:        case (MDOC_Hang):
1.39      kristaps  906:                if (MDOC_HEAD == node->type)
                    907:                        p->flags |= TERMP_NOBREAK;
                    908:                else
                    909:                        p->flags |= TERMP_NOLPAD;
                    910:
1.59    ! kristaps  911:                if (MDOC_HEAD != node->type)
        !           912:                        break;
        !           913:
        !           914:                /*
        !           915:                 * This is ugly.  If `-hang' is specified and the body
        !           916:                 * is a `Bl' or `Bd', then we want basically to nullify
        !           917:                 * the "overstep" effect in term_flushln() and treat
        !           918:                 * this as a `-ohang' list instead.
        !           919:                 */
        !           920:                if (node->next->child &&
        !           921:                                (MDOC_Bl == node->next->child->tok ||
        !           922:                                 MDOC_Bd == node->next->child->tok)) {
        !           923:                        p->flags &= ~TERMP_NOBREAK;
        !           924:                        p->flags &= ~TERMP_NOLPAD;
        !           925:                } else
1.39      kristaps  926:                        p->flags |= TERMP_HANG;
                    927:                break;
1.1       kristaps  928:        case (MDOC_Tag):
                    929:                if (MDOC_HEAD == node->type)
1.51      kristaps  930:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  931:                else
                    932:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  933:
1.39      kristaps  934:                if (MDOC_HEAD != node->type)
                    935:                        break;
                    936:                if (NULL == node->next || NULL == node->next->child)
                    937:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  938:                break;
                    939:        case (MDOC_Column):
                    940:                if (MDOC_HEAD == node->type) {
                    941:                        assert(node->next);
                    942:                        if (MDOC_BODY == node->next->type)
                    943:                                p->flags &= ~TERMP_NOBREAK;
                    944:                        else
                    945:                                p->flags |= TERMP_NOBREAK;
                    946:                        if (node->prev)
                    947:                                p->flags |= TERMP_NOLPAD;
                    948:                }
                    949:                break;
                    950:        case (MDOC_Diag):
                    951:                if (MDOC_HEAD == node->type)
                    952:                        p->flags |= TERMP_NOBREAK;
                    953:                break;
                    954:        default:
                    955:                break;
                    956:        }
                    957:
                    958:        /*
                    959:         * Margin control.  Set-head-width lists have their right
                    960:         * margins shortened.  The body for these lists has the offset
                    961:         * necessarily lengthened.  Everybody gets the offset.
                    962:         */
                    963:
                    964:        p->offset += offset;
                    965:
                    966:        switch (type) {
1.59    ! kristaps  967:        case (MDOC_Hang):
        !           968:                /*
        !           969:                 * Same stipulation as above, regarding `-hang'.  We
        !           970:                 * don't want to recalculate rmargin and offsets when
        !           971:                 * using `Bd' or `Bl' within `-hang' overstep lists.
        !           972:                 */
        !           973:                if (MDOC_HEAD == node->type && node->next->child &&
        !           974:                                (MDOC_Bl == node->next->child->tok ||
        !           975:                                 MDOC_Bd == node->next->child->tok))
        !           976:                        break;
        !           977:                /* FALLTHROUGH */
1.1       kristaps  978:        case (MDOC_Bullet):
                    979:                /* FALLTHROUGH */
                    980:        case (MDOC_Dash):
                    981:                /* FALLTHROUGH */
                    982:        case (MDOC_Enum):
                    983:                /* FALLTHROUGH */
                    984:        case (MDOC_Hyphen):
                    985:                /* FALLTHROUGH */
                    986:        case (MDOC_Tag):
1.49      kristaps  987:                assert(width);
1.1       kristaps  988:                if (MDOC_HEAD == node->type)
                    989:                        p->rmargin = p->offset + width;
                    990:                else
                    991:                        p->offset += width;
                    992:                break;
                    993:        case (MDOC_Column):
1.49      kristaps  994:                assert(width);
1.1       kristaps  995:                p->rmargin = p->offset + width;
1.50      kristaps  996:                /*
                    997:                 * XXX - this behaviour is not documented: the
                    998:                 * right-most column is filled to the right margin.
                    999:                 */
                   1000:                if (MDOC_HEAD == node->type &&
                   1001:                                MDOC_BODY == node->next->type)
                   1002:                        p->rmargin = p->maxrmargin;
1.1       kristaps 1003:                break;
                   1004:        default:
                   1005:                break;
                   1006:        }
                   1007:
                   1008:        /*
                   1009:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps 1010:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps 1011:         */
                   1012:
                   1013:        if (MDOC_HEAD == node->type)
                   1014:                switch (type) {
                   1015:                case (MDOC_Bullet):
1.15      kristaps 1016:                        p->flags |= TERMP_BOLD;
1.1       kristaps 1017:                        term_word(p, "\\[bu]");
1.39      kristaps 1018:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps 1019:                        break;
                   1020:                case (MDOC_Dash):
                   1021:                        /* FALLTHROUGH */
                   1022:                case (MDOC_Hyphen):
1.15      kristaps 1023:                        p->flags |= TERMP_BOLD;
1.27      kristaps 1024:                        term_word(p, "\\(hy");
1.39      kristaps 1025:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps 1026:                        break;
                   1027:                case (MDOC_Enum):
                   1028:                        (pair->ppair->ppair->count)++;
                   1029:                        (void)snprintf(buf, sizeof(buf), "%d.",
                   1030:                                        pair->ppair->ppair->count);
                   1031:                        term_word(p, buf);
                   1032:                        break;
                   1033:                default:
                   1034:                        break;
                   1035:                }
                   1036:
                   1037:        /*
                   1038:         * If we're not going to process our children, indicate so here.
                   1039:         */
                   1040:
                   1041:        switch (type) {
                   1042:        case (MDOC_Bullet):
                   1043:                /* FALLTHROUGH */
                   1044:        case (MDOC_Item):
                   1045:                /* FALLTHROUGH */
                   1046:        case (MDOC_Dash):
                   1047:                /* FALLTHROUGH */
                   1048:        case (MDOC_Hyphen):
                   1049:                /* FALLTHROUGH */
                   1050:        case (MDOC_Enum):
                   1051:                if (MDOC_HEAD == node->type)
                   1052:                        return(0);
                   1053:                break;
                   1054:        case (MDOC_Column):
                   1055:                if (MDOC_BODY == node->type)
                   1056:                        return(0);
                   1057:                break;
                   1058:        default:
                   1059:                break;
                   1060:        }
                   1061:
                   1062:        return(1);
                   1063: }
                   1064:
                   1065:
                   1066: /* ARGSUSED */
                   1067: static void
                   1068: termp_it_post(DECL_ARGS)
                   1069: {
                   1070:        int                type;
                   1071:
                   1072:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1073:                return;
                   1074:
                   1075:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1076:        assert(-1 != type);
1.1       kristaps 1077:
                   1078:        switch (type) {
                   1079:        case (MDOC_Item):
                   1080:                /* FALLTHROUGH */
1.53      kristaps 1081:        case (MDOC_Diag):
                   1082:                /* FALLTHROUGH */
1.1       kristaps 1083:        case (MDOC_Inset):
                   1084:                if (MDOC_BODY == node->type)
                   1085:                        term_flushln(p);
                   1086:                break;
                   1087:        case (MDOC_Column):
                   1088:                if (MDOC_HEAD == node->type)
                   1089:                        term_flushln(p);
                   1090:                break;
                   1091:        default:
                   1092:                term_flushln(p);
                   1093:                break;
                   1094:        }
                   1095:
                   1096:        p->flags = pair->flag;
                   1097: }
                   1098:
                   1099:
                   1100: /* ARGSUSED */
                   1101: static int
                   1102: termp_nm_pre(DECL_ARGS)
                   1103: {
                   1104:
                   1105:        if (SEC_SYNOPSIS == node->sec)
                   1106:                term_newln(p);
                   1107:
1.28      kristaps 1108:        pair->flag |= ttypes[TTYPE_PROG];
                   1109:        p->flags |= ttypes[TTYPE_PROG];
                   1110:
1.1       kristaps 1111:        if (NULL == node->child)
                   1112:                term_word(p, meta->name);
                   1113:
                   1114:        return(1);
                   1115: }
                   1116:
                   1117:
                   1118: /* ARGSUSED */
                   1119: static int
                   1120: termp_fl_pre(DECL_ARGS)
                   1121: {
                   1122:
1.28      kristaps 1123:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1124:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1125:        term_word(p, "\\-");
                   1126:        p->flags |= TERMP_NOSPACE;
                   1127:        return(1);
                   1128: }
                   1129:
                   1130:
                   1131: /* ARGSUSED */
                   1132: static int
                   1133: termp_ar_pre(DECL_ARGS)
                   1134: {
                   1135:
1.28      kristaps 1136:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1137:        return(1);
                   1138: }
                   1139:
                   1140:
                   1141: /* ARGSUSED */
                   1142: static int
                   1143: termp_ns_pre(DECL_ARGS)
                   1144: {
                   1145:
                   1146:        p->flags |= TERMP_NOSPACE;
                   1147:        return(1);
                   1148: }
                   1149:
                   1150:
                   1151: /* ARGSUSED */
                   1152: static int
                   1153: termp_pp_pre(DECL_ARGS)
                   1154: {
                   1155:
                   1156:        term_vspace(p);
                   1157:        return(1);
                   1158: }
                   1159:
                   1160:
                   1161: /* ARGSUSED */
                   1162: static int
                   1163: termp_rs_pre(DECL_ARGS)
                   1164: {
                   1165:
                   1166:        if (MDOC_BLOCK == node->type && node->prev)
                   1167:                term_vspace(p);
                   1168:        return(1);
                   1169: }
                   1170:
                   1171:
                   1172: /* ARGSUSED */
                   1173: static int
                   1174: termp_rv_pre(DECL_ARGS)
                   1175: {
                   1176:        int              i;
                   1177:
1.34      kristaps 1178:        i = arg_getattr(MDOC_Std, node);
                   1179:        assert(-1 != i);
                   1180:        assert(node->args->argv[i].sz);
1.1       kristaps 1181:
                   1182:        term_newln(p);
                   1183:        term_word(p, "The");
                   1184:
                   1185:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1186:        term_word(p, *node->args->argv[i].value);
                   1187:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1188:        p->flags |= TERMP_NOSPACE;
                   1189:
                   1190:                term_word(p, "() function returns the value 0 if successful;");
                   1191:                term_word(p, "otherwise the value -1 is returned and the");
                   1192:                term_word(p, "global variable");
                   1193:
                   1194:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1195:        term_word(p, "errno");
                   1196:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1197:
                   1198:                term_word(p, "is set to indicate the error.");
                   1199:
                   1200:        return(1);
                   1201: }
                   1202:
                   1203:
                   1204: /* ARGSUSED */
                   1205: static int
                   1206: termp_ex_pre(DECL_ARGS)
                   1207: {
                   1208:        int              i;
                   1209:
1.34      kristaps 1210:        i = arg_getattr(MDOC_Std, node);
                   1211:        assert(-1 != i);
                   1212:        assert(node->args->argv[i].sz);
1.1       kristaps 1213:
                   1214:        term_word(p, "The");
                   1215:        p->flags |= ttypes[TTYPE_PROG];
                   1216:        term_word(p, *node->args->argv[i].value);
                   1217:        p->flags &= ~ttypes[TTYPE_PROG];
                   1218:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1219:
                   1220:        return(1);
                   1221: }
                   1222:
                   1223:
                   1224: /* ARGSUSED */
                   1225: static int
                   1226: termp_nd_pre(DECL_ARGS)
                   1227: {
1.25      kristaps 1228:
                   1229:        if (MDOC_BODY != node->type)
                   1230:                return(1);
1.30      kristaps 1231:
1.27      kristaps 1232: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1233:        term_word(p, "\\(en");
1.23      kristaps 1234: #else
                   1235:        term_word(p, "\\(em");
                   1236: #endif
1.1       kristaps 1237:        return(1);
                   1238: }
                   1239:
                   1240:
                   1241: /* ARGSUSED */
                   1242: static void
                   1243: termp_bl_post(DECL_ARGS)
                   1244: {
                   1245:
                   1246:        if (MDOC_BLOCK == node->type)
                   1247:                term_newln(p);
                   1248: }
                   1249:
                   1250:
                   1251: /* ARGSUSED */
                   1252: static void
                   1253: termp_op_post(DECL_ARGS)
                   1254: {
                   1255:
                   1256:        if (MDOC_BODY != node->type)
                   1257:                return;
                   1258:        p->flags |= TERMP_NOSPACE;
                   1259:        term_word(p, "\\(rB");
                   1260: }
                   1261:
                   1262:
                   1263: /* ARGSUSED */
                   1264: static int
                   1265: termp_xr_pre(DECL_ARGS)
                   1266: {
                   1267:        const struct mdoc_node *n;
                   1268:
1.11      kristaps 1269:        assert(node->child && MDOC_TEXT == node->child->type);
                   1270:        n = node->child;
                   1271:
1.1       kristaps 1272:        term_word(p, n->string);
                   1273:        if (NULL == (n = n->next))
                   1274:                return(0);
                   1275:        p->flags |= TERMP_NOSPACE;
                   1276:        term_word(p, "(");
                   1277:        p->flags |= TERMP_NOSPACE;
                   1278:        term_word(p, n->string);
                   1279:        p->flags |= TERMP_NOSPACE;
                   1280:        term_word(p, ")");
                   1281:        return(0);
                   1282: }
                   1283:
                   1284:
                   1285: /* ARGSUSED */
                   1286: static int
                   1287: termp_vt_pre(DECL_ARGS)
                   1288: {
                   1289:
                   1290:        /* FIXME: this can be "type name". */
1.29      kristaps 1291:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1292:        return(1);
                   1293: }
                   1294:
                   1295:
                   1296: /* ARGSUSED */
                   1297: static void
                   1298: termp_vt_post(DECL_ARGS)
                   1299: {
                   1300:
1.32      kristaps 1301:        if (node->sec != SEC_SYNOPSIS)
                   1302:                return;
                   1303:        if (node->next && MDOC_Vt == node->next->tok)
                   1304:                term_newln(p);
                   1305:        else if (node->next)
1.1       kristaps 1306:                term_vspace(p);
                   1307: }
                   1308:
                   1309:
                   1310: /* ARGSUSED */
                   1311: static int
                   1312: termp_fd_pre(DECL_ARGS)
                   1313: {
                   1314:
1.29      kristaps 1315:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1316:        return(1);
                   1317: }
                   1318:
                   1319:
                   1320: /* ARGSUSED */
                   1321: static void
                   1322: termp_fd_post(DECL_ARGS)
                   1323: {
                   1324:
                   1325:        if (node->sec != SEC_SYNOPSIS)
                   1326:                return;
1.29      kristaps 1327:
1.1       kristaps 1328:        term_newln(p);
                   1329:        if (node->next && MDOC_Fd != node->next->tok)
                   1330:                term_vspace(p);
                   1331: }
                   1332:
                   1333:
                   1334: /* ARGSUSED */
                   1335: static int
                   1336: termp_sh_pre(DECL_ARGS)
                   1337: {
                   1338:
                   1339:        switch (node->type) {
                   1340:        case (MDOC_HEAD):
                   1341:                term_vspace(p);
1.28      kristaps 1342:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1343:                break;
                   1344:        case (MDOC_BODY):
                   1345:                p->offset = INDENT;
                   1346:                break;
                   1347:        default:
                   1348:                break;
                   1349:        }
                   1350:        return(1);
                   1351: }
                   1352:
                   1353:
                   1354: /* ARGSUSED */
                   1355: static void
                   1356: termp_sh_post(DECL_ARGS)
                   1357: {
                   1358:
                   1359:        switch (node->type) {
                   1360:        case (MDOC_HEAD):
                   1361:                term_newln(p);
                   1362:                break;
                   1363:        case (MDOC_BODY):
                   1364:                term_newln(p);
                   1365:                p->offset = 0;
                   1366:                break;
                   1367:        default:
                   1368:                break;
                   1369:        }
                   1370: }
                   1371:
                   1372:
                   1373: /* ARGSUSED */
                   1374: static int
                   1375: termp_op_pre(DECL_ARGS)
                   1376: {
                   1377:
                   1378:        switch (node->type) {
                   1379:        case (MDOC_BODY):
                   1380:                term_word(p, "\\(lB");
                   1381:                p->flags |= TERMP_NOSPACE;
                   1382:                break;
                   1383:        default:
                   1384:                break;
                   1385:        }
                   1386:        return(1);
                   1387: }
                   1388:
                   1389:
                   1390: /* ARGSUSED */
                   1391: static int
                   1392: termp_bt_pre(DECL_ARGS)
                   1393: {
                   1394:
                   1395:        term_word(p, "is currently in beta test.");
                   1396:        return(1);
                   1397: }
                   1398:
                   1399:
                   1400: /* ARGSUSED */
                   1401: static void
                   1402: termp_lb_post(DECL_ARGS)
                   1403: {
                   1404:
                   1405:        term_newln(p);
                   1406: }
                   1407:
                   1408:
                   1409: /* ARGSUSED */
                   1410: static int
                   1411: termp_ud_pre(DECL_ARGS)
                   1412: {
                   1413:
                   1414:        term_word(p, "currently under development.");
                   1415:        return(1);
                   1416: }
                   1417:
                   1418:
                   1419: /* ARGSUSED */
                   1420: static int
                   1421: termp_d1_pre(DECL_ARGS)
                   1422: {
                   1423:
1.4       kristaps 1424:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1425:                return(1);
                   1426:        term_newln(p);
1.29      kristaps 1427:        p->offset += (INDENT + 1);
1.1       kristaps 1428:        return(1);
                   1429: }
                   1430:
                   1431:
                   1432: /* ARGSUSED */
                   1433: static void
                   1434: termp_d1_post(DECL_ARGS)
                   1435: {
                   1436:
1.4       kristaps 1437:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1438:                return;
                   1439:        term_newln(p);
                   1440: }
                   1441:
                   1442:
                   1443: /* ARGSUSED */
                   1444: static int
                   1445: termp_aq_pre(DECL_ARGS)
                   1446: {
                   1447:
                   1448:        if (MDOC_BODY != node->type)
                   1449:                return(1);
                   1450:        term_word(p, "\\(la");
                   1451:        p->flags |= TERMP_NOSPACE;
                   1452:        return(1);
                   1453: }
                   1454:
                   1455:
                   1456: /* ARGSUSED */
                   1457: static void
                   1458: termp_aq_post(DECL_ARGS)
                   1459: {
                   1460:
                   1461:        if (MDOC_BODY != node->type)
                   1462:                return;
                   1463:        p->flags |= TERMP_NOSPACE;
                   1464:        term_word(p, "\\(ra");
                   1465: }
                   1466:
                   1467:
                   1468: /* ARGSUSED */
                   1469: static int
                   1470: termp_ft_pre(DECL_ARGS)
                   1471: {
                   1472:
                   1473:        if (SEC_SYNOPSIS == node->sec)
                   1474:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1475:                        term_vspace(p);
1.28      kristaps 1476:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1477:        return(1);
                   1478: }
                   1479:
                   1480:
                   1481: /* ARGSUSED */
                   1482: static void
                   1483: termp_ft_post(DECL_ARGS)
                   1484: {
                   1485:
                   1486:        if (SEC_SYNOPSIS == node->sec)
                   1487:                term_newln(p);
                   1488: }
                   1489:
                   1490:
                   1491: /* ARGSUSED */
                   1492: static int
                   1493: termp_fn_pre(DECL_ARGS)
                   1494: {
                   1495:        const struct mdoc_node *n;
                   1496:
1.11      kristaps 1497:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1498:
                   1499:        /* FIXME: can be "type funcname" "type varname"... */
                   1500:
                   1501:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1502:        term_word(p, node->child->string);
                   1503:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1504:
                   1505:        p->flags |= TERMP_NOSPACE;
                   1506:        term_word(p, "(");
                   1507:
                   1508:        for (n = node->child->next; n; n = n->next) {
                   1509:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1510:                term_word(p, n->string);
                   1511:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1512:                if (n->next)
                   1513:                        term_word(p, ",");
                   1514:        }
                   1515:
                   1516:        term_word(p, ")");
                   1517:
                   1518:        if (SEC_SYNOPSIS == node->sec)
                   1519:                term_word(p, ";");
                   1520:
                   1521:        return(0);
                   1522: }
                   1523:
                   1524:
                   1525: /* ARGSUSED */
                   1526: static void
                   1527: termp_fn_post(DECL_ARGS)
                   1528: {
                   1529:
                   1530:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1531:                term_vspace(p);
                   1532: }
                   1533:
                   1534:
                   1535: /* ARGSUSED */
                   1536: static int
                   1537: termp_sx_pre(DECL_ARGS)
                   1538: {
                   1539:
1.28      kristaps 1540:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1541:        return(1);
                   1542: }
                   1543:
                   1544:
                   1545: /* ARGSUSED */
                   1546: static int
                   1547: termp_fa_pre(DECL_ARGS)
                   1548: {
                   1549:        struct mdoc_node *n;
                   1550:
                   1551:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1552:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1553:                return(1);
                   1554:        }
                   1555:
                   1556:        for (n = node->child; n; n = n->next) {
                   1557:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1558:                term_word(p, n->string);
                   1559:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1560:                if (n->next)
                   1561:                        term_word(p, ",");
                   1562:        }
                   1563:
                   1564:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1565:                term_word(p, ",");
                   1566:
                   1567:        return(0);
                   1568: }
                   1569:
                   1570:
                   1571: /* ARGSUSED */
                   1572: static int
                   1573: termp_va_pre(DECL_ARGS)
                   1574: {
                   1575:
1.28      kristaps 1576:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1577:        return(1);
                   1578: }
                   1579:
                   1580:
                   1581: /* ARGSUSED */
                   1582: static int
                   1583: termp_bd_pre(DECL_ARGS)
                   1584: {
                   1585:        int              i, type, ln;
                   1586:
                   1587:        /*
                   1588:         * This is fairly tricky due primarily to crappy documentation.
                   1589:         * If -ragged or -filled are specified, the block does nothing
                   1590:         * but change the indentation.
                   1591:         *
                   1592:         * If, on the other hand, -unfilled or -literal are specified,
                   1593:         * then the game changes.  Text is printed exactly as entered in
                   1594:         * the display: if a macro line, a newline is appended to the
                   1595:         * line.  Blank lines are allowed.
                   1596:         */
                   1597:
1.54      kristaps 1598:        if (MDOC_BLOCK == node->type) {
                   1599:                fmt_block_vspace(p, node, node);
                   1600:                return(1);
                   1601:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1602:                return(1);
                   1603:
1.11      kristaps 1604:        /* FIXME: display type should be mandated by parser. */
                   1605:
1.1       kristaps 1606:        if (NULL == node->parent->args)
                   1607:                errx(1, "missing display type");
                   1608:
                   1609:        for (type = -1, i = 0;
                   1610:                        i < (int)node->parent->args->argc; i++) {
                   1611:                switch (node->parent->args->argv[i].arg) {
                   1612:                case (MDOC_Ragged):
                   1613:                        /* FALLTHROUGH */
                   1614:                case (MDOC_Filled):
                   1615:                        /* FALLTHROUGH */
                   1616:                case (MDOC_Unfilled):
                   1617:                        /* FALLTHROUGH */
                   1618:                case (MDOC_Literal):
                   1619:                        type = node->parent->args->argv[i].arg;
                   1620:                        i = (int)node->parent->args->argc;
                   1621:                        break;
                   1622:                default:
                   1623:                        break;
                   1624:                }
                   1625:        }
                   1626:
                   1627:        if (NULL == node->parent->args)
                   1628:                errx(1, "missing display type");
                   1629:
                   1630:        i = arg_getattr(MDOC_Offset, node->parent);
                   1631:        if (-1 != i) {
                   1632:                if (1 != node->parent->args->argv[i].sz)
                   1633:                        errx(1, "expected single value");
                   1634:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1635:        }
                   1636:
                   1637:        switch (type) {
                   1638:        case (MDOC_Literal):
                   1639:                /* FALLTHROUGH */
                   1640:        case (MDOC_Unfilled):
                   1641:                break;
                   1642:        default:
                   1643:                return(1);
                   1644:        }
                   1645:
                   1646:        /*
                   1647:         * Tricky.  Iterate through all children.  If we're on a
                   1648:         * different parse line, append a newline and then the contents.
                   1649:         * Ew.
                   1650:         */
                   1651:
                   1652:        ln = node->child ? node->child->line : 0;
                   1653:
                   1654:        for (node = node->child; node; node = node->next) {
                   1655:                if (ln < node->line) {
                   1656:                        term_flushln(p);
                   1657:                        p->flags |= TERMP_NOSPACE;
                   1658:                }
                   1659:                ln = node->line;
                   1660:                print_node(p, pair, meta, node);
                   1661:        }
                   1662:
                   1663:        return(0);
                   1664: }
                   1665:
                   1666:
                   1667: /* ARGSUSED */
                   1668: static void
                   1669: termp_bd_post(DECL_ARGS)
                   1670: {
                   1671:
                   1672:        if (MDOC_BODY != node->type)
                   1673:                return;
                   1674:        term_flushln(p);
                   1675: }
                   1676:
                   1677:
                   1678: /* ARGSUSED */
                   1679: static int
                   1680: termp_qq_pre(DECL_ARGS)
                   1681: {
                   1682:
                   1683:        if (MDOC_BODY != node->type)
                   1684:                return(1);
                   1685:        term_word(p, "\"");
                   1686:        p->flags |= TERMP_NOSPACE;
                   1687:        return(1);
                   1688: }
                   1689:
                   1690:
                   1691: /* ARGSUSED */
                   1692: static void
                   1693: termp_qq_post(DECL_ARGS)
                   1694: {
                   1695:
                   1696:        if (MDOC_BODY != node->type)
                   1697:                return;
                   1698:        p->flags |= TERMP_NOSPACE;
                   1699:        term_word(p, "\"");
                   1700: }
                   1701:
                   1702:
                   1703: /* ARGSUSED */
                   1704: static void
                   1705: termp_bx_post(DECL_ARGS)
                   1706: {
                   1707:
                   1708:        if (node->child)
                   1709:                p->flags |= TERMP_NOSPACE;
                   1710:        term_word(p, "BSD");
                   1711: }
                   1712:
                   1713:
                   1714: /* ARGSUSED */
                   1715: static int
1.26      kristaps 1716: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1717: {
1.26      kristaps 1718:        const char      *pp;
1.1       kristaps 1719:
1.26      kristaps 1720:        pp = NULL;
                   1721:        switch (node->tok) {
                   1722:        case (MDOC_Bsx):
                   1723:                pp = "BSDI BSD/OS";
                   1724:                break;
                   1725:        case (MDOC_Dx):
                   1726:                pp = "DragonFlyBSD";
                   1727:                break;
                   1728:        case (MDOC_Fx):
                   1729:                pp = "FreeBSD";
                   1730:                break;
                   1731:        case (MDOC_Nx):
                   1732:                pp = "NetBSD";
                   1733:                break;
                   1734:        case (MDOC_Ox):
                   1735:                pp = "OpenBSD";
                   1736:                break;
                   1737:        case (MDOC_Ux):
                   1738:                pp = "UNIX";
                   1739:                break;
                   1740:        default:
                   1741:                break;
                   1742:        }
1.1       kristaps 1743:
1.26      kristaps 1744:        assert(pp);
                   1745:        term_word(p, pp);
1.1       kristaps 1746:        return(1);
                   1747: }
                   1748:
                   1749:
                   1750: /* ARGSUSED */
                   1751: static int
                   1752: termp_sq_pre(DECL_ARGS)
                   1753: {
                   1754:
                   1755:        if (MDOC_BODY != node->type)
                   1756:                return(1);
                   1757:        term_word(p, "\\(oq");
                   1758:        p->flags |= TERMP_NOSPACE;
                   1759:        return(1);
                   1760: }
                   1761:
                   1762:
                   1763: /* ARGSUSED */
                   1764: static void
                   1765: termp_sq_post(DECL_ARGS)
                   1766: {
                   1767:
                   1768:        if (MDOC_BODY != node->type)
                   1769:                return;
                   1770:        p->flags |= TERMP_NOSPACE;
                   1771:        term_word(p, "\\(aq");
                   1772: }
                   1773:
                   1774:
                   1775: /* ARGSUSED */
                   1776: static int
1.57      kristaps 1777: termp_pa_pre(DECL_ARGS)
                   1778: {
                   1779:
                   1780:        pair->flag |= ttypes[TTYPE_FILE];
                   1781:        return(1);
                   1782: }
                   1783:
                   1784:
                   1785: /* ARGSUSED */
                   1786: static int
1.1       kristaps 1787: termp_pf_pre(DECL_ARGS)
                   1788: {
                   1789:
                   1790:        p->flags |= TERMP_IGNDELIM;
                   1791:        return(1);
                   1792: }
                   1793:
                   1794:
                   1795: /* ARGSUSED */
                   1796: static void
                   1797: termp_pf_post(DECL_ARGS)
                   1798: {
                   1799:
                   1800:        p->flags &= ~TERMP_IGNDELIM;
                   1801:        p->flags |= TERMP_NOSPACE;
                   1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static int
                   1807: termp_ss_pre(DECL_ARGS)
                   1808: {
                   1809:
                   1810:        switch (node->type) {
                   1811:        case (MDOC_BLOCK):
                   1812:                term_newln(p);
                   1813:                if (node->prev)
                   1814:                        term_vspace(p);
                   1815:                break;
                   1816:        case (MDOC_HEAD):
1.28      kristaps 1817:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1818:                p->offset = HALFINDENT;
1.1       kristaps 1819:                break;
                   1820:        default:
                   1821:                break;
                   1822:        }
                   1823:
                   1824:        return(1);
                   1825: }
                   1826:
                   1827:
                   1828: /* ARGSUSED */
                   1829: static void
                   1830: termp_ss_post(DECL_ARGS)
                   1831: {
                   1832:
1.29      kristaps 1833:        if (MDOC_HEAD == node->type)
1.1       kristaps 1834:                term_newln(p);
                   1835: }
                   1836:
                   1837:
                   1838: /* ARGSUSED */
                   1839: static int
                   1840: termp_em_pre(DECL_ARGS)
                   1841: {
                   1842:
1.28      kristaps 1843:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1844:        return(1);
                   1845: }
                   1846:
                   1847:
                   1848: /* ARGSUSED */
                   1849: static int
                   1850: termp_cd_pre(DECL_ARGS)
                   1851: {
                   1852:
1.28      kristaps 1853:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1854:        term_newln(p);
                   1855:        return(1);
                   1856: }
                   1857:
                   1858:
                   1859: /* ARGSUSED */
                   1860: static int
                   1861: termp_cm_pre(DECL_ARGS)
                   1862: {
                   1863:
1.28      kristaps 1864:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1865:        return(1);
                   1866: }
                   1867:
                   1868:
                   1869: /* ARGSUSED */
                   1870: static int
                   1871: termp_ic_pre(DECL_ARGS)
                   1872: {
                   1873:
1.28      kristaps 1874:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1875:        return(1);
                   1876: }
                   1877:
                   1878:
                   1879: /* ARGSUSED */
                   1880: static int
                   1881: termp_in_pre(DECL_ARGS)
                   1882: {
                   1883:
1.28      kristaps 1884:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1885:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1886:
                   1887:        if (SEC_SYNOPSIS == node->sec)
                   1888:                term_word(p, "#include");
                   1889:
1.1       kristaps 1890:        term_word(p, "<");
                   1891:        p->flags |= TERMP_NOSPACE;
                   1892:        return(1);
                   1893: }
                   1894:
                   1895:
                   1896: /* ARGSUSED */
                   1897: static void
                   1898: termp_in_post(DECL_ARGS)
                   1899: {
                   1900:
1.46      kristaps 1901:        p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
1.1       kristaps 1902:        term_word(p, ">");
1.46      kristaps 1903:        p->flags &= ~ttypes[TTYPE_INCLUDE];
1.1       kristaps 1904:
                   1905:        if (SEC_SYNOPSIS != node->sec)
                   1906:                return;
1.22      kristaps 1907:
                   1908:        term_newln(p);
                   1909:        /*
                   1910:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1911:         * the SYNOPSIS section, then it produces a single break after
                   1912:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1913:         * construction is rarely used, I think it's fine.
                   1914:         */
1.1       kristaps 1915:        if (node->next && MDOC_In != node->next->tok)
                   1916:                term_vspace(p);
                   1917: }
                   1918:
                   1919:
                   1920: /* ARGSUSED */
                   1921: static int
1.45      kristaps 1922: termp_sp_pre(DECL_ARGS)
                   1923: {
                   1924:        int              i, len;
                   1925:
                   1926:        if (NULL == node->child) {
                   1927:                term_vspace(p);
                   1928:                return(0);
                   1929:        }
                   1930:
                   1931:        len = atoi(node->child->string);
                   1932:        if (0 == len)
                   1933:                term_newln(p);
                   1934:        for (i = 0; i < len; i++)
                   1935:                term_vspace(p);
                   1936:
                   1937:        return(0);
                   1938: }
                   1939:
                   1940:
                   1941: /* ARGSUSED */
                   1942: static int
1.44      kristaps 1943: termp_br_pre(DECL_ARGS)
                   1944: {
                   1945:
                   1946:        term_newln(p);
                   1947:        return(1);
                   1948: }
                   1949:
                   1950:
                   1951: /* ARGSUSED */
                   1952: static int
1.1       kristaps 1953: termp_brq_pre(DECL_ARGS)
                   1954: {
                   1955:
                   1956:        if (MDOC_BODY != node->type)
                   1957:                return(1);
                   1958:        term_word(p, "\\(lC");
                   1959:        p->flags |= TERMP_NOSPACE;
                   1960:        return(1);
                   1961: }
                   1962:
                   1963:
                   1964: /* ARGSUSED */
                   1965: static void
                   1966: termp_brq_post(DECL_ARGS)
                   1967: {
                   1968:
                   1969:        if (MDOC_BODY != node->type)
                   1970:                return;
                   1971:        p->flags |= TERMP_NOSPACE;
                   1972:        term_word(p, "\\(rC");
                   1973: }
                   1974:
                   1975:
                   1976: /* ARGSUSED */
                   1977: static int
                   1978: termp_bq_pre(DECL_ARGS)
                   1979: {
                   1980:
                   1981:        if (MDOC_BODY != node->type)
                   1982:                return(1);
                   1983:        term_word(p, "\\(lB");
                   1984:        p->flags |= TERMP_NOSPACE;
                   1985:        return(1);
                   1986: }
                   1987:
                   1988:
                   1989: /* ARGSUSED */
                   1990: static void
                   1991: termp_bq_post(DECL_ARGS)
                   1992: {
                   1993:
                   1994:        if (MDOC_BODY != node->type)
                   1995:                return;
                   1996:        p->flags |= TERMP_NOSPACE;
                   1997:        term_word(p, "\\(rB");
                   1998: }
                   1999:
                   2000:
                   2001: /* ARGSUSED */
                   2002: static int
                   2003: termp_pq_pre(DECL_ARGS)
                   2004: {
                   2005:
                   2006:        if (MDOC_BODY != node->type)
                   2007:                return(1);
                   2008:        term_word(p, "\\&(");
                   2009:        p->flags |= TERMP_NOSPACE;
                   2010:        return(1);
                   2011: }
                   2012:
                   2013:
                   2014: /* ARGSUSED */
                   2015: static void
                   2016: termp_pq_post(DECL_ARGS)
                   2017: {
                   2018:
                   2019:        if (MDOC_BODY != node->type)
                   2020:                return;
                   2021:        term_word(p, ")");
                   2022: }
                   2023:
                   2024:
                   2025: /* ARGSUSED */
                   2026: static int
                   2027: termp_fo_pre(DECL_ARGS)
                   2028: {
                   2029:        const struct mdoc_node *n;
                   2030:
                   2031:        if (MDOC_BODY == node->type) {
1.33      kristaps 2032:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2033:                term_word(p, "(");
                   2034:                p->flags |= TERMP_NOSPACE;
                   2035:                return(1);
                   2036:        } else if (MDOC_HEAD != node->type)
                   2037:                return(1);
                   2038:
                   2039:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   2040:        for (n = node->child; n; n = n->next) {
1.11      kristaps 2041:                assert(MDOC_TEXT == n->type);
1.1       kristaps 2042:                term_word(p, n->string);
                   2043:        }
                   2044:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   2045:
                   2046:        return(0);
                   2047: }
                   2048:
                   2049:
                   2050: /* ARGSUSED */
                   2051: static void
                   2052: termp_fo_post(DECL_ARGS)
                   2053: {
                   2054:
                   2055:        if (MDOC_BODY != node->type)
                   2056:                return;
                   2057:        p->flags |= TERMP_NOSPACE;
                   2058:        term_word(p, ")");
                   2059:        p->flags |= TERMP_NOSPACE;
                   2060:        term_word(p, ";");
                   2061:        term_newln(p);
                   2062: }
                   2063:
                   2064:
                   2065: /* ARGSUSED */
                   2066: static int
                   2067: termp_bf_pre(DECL_ARGS)
                   2068: {
                   2069:        const struct mdoc_node  *n;
                   2070:
1.28      kristaps 2071:        if (MDOC_HEAD == node->type)
1.1       kristaps 2072:                return(0);
1.28      kristaps 2073:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2074:                return(1);
                   2075:
                   2076:        if (NULL == (n = node->head->child)) {
                   2077:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 2078:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2079:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 2080:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2081:
                   2082:                return(1);
                   2083:        }
                   2084:
1.11      kristaps 2085:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2086:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2087:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2088:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2089:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2090:
                   2091:        return(1);
                   2092: }
                   2093:
                   2094:
                   2095: /* ARGSUSED */
                   2096: static int
                   2097: termp_sy_pre(DECL_ARGS)
                   2098: {
                   2099:
1.28      kristaps 2100:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2101:        return(1);
                   2102: }
                   2103:
                   2104:
                   2105: /* ARGSUSED */
                   2106: static int
                   2107: termp_ms_pre(DECL_ARGS)
                   2108: {
                   2109:
1.28      kristaps 2110:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2111:        return(1);
                   2112: }
                   2113:
                   2114:
                   2115:
                   2116: /* ARGSUSED */
                   2117: static int
                   2118: termp_sm_pre(DECL_ARGS)
                   2119: {
                   2120:
1.11      kristaps 2121:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2122:        if (0 == strcmp("on", node->child->string)) {
                   2123:                p->flags &= ~TERMP_NONOSPACE;
                   2124:                p->flags &= ~TERMP_NOSPACE;
                   2125:        } else
                   2126:                p->flags |= TERMP_NONOSPACE;
                   2127:
                   2128:        return(0);
                   2129: }
                   2130:
                   2131:
                   2132: /* ARGSUSED */
                   2133: static int
                   2134: termp_ap_pre(DECL_ARGS)
                   2135: {
                   2136:
                   2137:        p->flags |= TERMP_NOSPACE;
                   2138:        term_word(p, "\\(aq");
                   2139:        p->flags |= TERMP_NOSPACE;
                   2140:        return(1);
                   2141: }
                   2142:
                   2143:
                   2144: /* ARGSUSED */
                   2145: static int
                   2146: termp__j_pre(DECL_ARGS)
                   2147: {
                   2148:
1.28      kristaps 2149:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2150:        return(1);
                   2151: }
                   2152:
                   2153:
                   2154: /* ARGSUSED */
                   2155: static int
                   2156: termp__t_pre(DECL_ARGS)
                   2157: {
                   2158:
1.56      kristaps 2159:        pair->flag |= ttypes[TTYPE_REF_TITLE];
1.1       kristaps 2160:        return(1);
                   2161: }
                   2162:
                   2163:
                   2164: /* ARGSUSED */
                   2165: static void
                   2166: termp____post(DECL_ARGS)
                   2167: {
                   2168:
                   2169:        p->flags |= TERMP_NOSPACE;
                   2170:        term_word(p, node->next ? "," : ".");
                   2171: }
                   2172:
                   2173:
                   2174: /* ARGSUSED */
                   2175: static int
                   2176: termp_lk_pre(DECL_ARGS)
                   2177: {
                   2178:        const struct mdoc_node *n;
                   2179:
1.11      kristaps 2180:        assert(node->child);
                   2181:        n = node->child;
1.1       kristaps 2182:
1.12      kristaps 2183:        if (NULL == n->next) {
1.28      kristaps 2184:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2185:                return(1);
                   2186:        }
                   2187:
1.1       kristaps 2188:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2189:        term_word(p, n->string);
                   2190:        p->flags |= TERMP_NOSPACE;
                   2191:        term_word(p, ":");
1.12      kristaps 2192:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2193:
                   2194:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2195:        for (n = n->next; n; n = n->next)
1.1       kristaps 2196:                term_word(p, n->string);
1.12      kristaps 2197:
1.1       kristaps 2198:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2199:        return(0);
                   2200: }
                   2201:
                   2202:
                   2203: /* ARGSUSED */
                   2204: static int
                   2205: termp_mt_pre(DECL_ARGS)
                   2206: {
                   2207:
1.28      kristaps 2208:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2209:        return(1);
                   2210: }
                   2211:
                   2212:

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