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Annotation of mandoc/mdoc_term.c, Revision 1.55

1.55    ! kristaps    1: /*     $Id: mdoc_term.c,v 1.54 2009/07/21 15:03:37 kristaps Exp $ */
1.1       kristaps    2: /*
1.7       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <err.h>
                     22: #include <stdio.h>
                     23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
                     26: #include "term.h"
                     27: #include "mdoc.h"
                     28:
                     29: /* FIXME: macro arguments can be escaped. */
                     30:
                     31: #define        TTYPE_PROG        0
                     32: #define        TTYPE_CMD_FLAG    1
                     33: #define        TTYPE_CMD_ARG     2
                     34: #define        TTYPE_SECTION     3
                     35: #define        TTYPE_FUNC_DECL   4
                     36: #define        TTYPE_VAR_DECL    5
                     37: #define        TTYPE_FUNC_TYPE   6
                     38: #define        TTYPE_FUNC_NAME   7
                     39: #define        TTYPE_FUNC_ARG    8
                     40: #define        TTYPE_LINK        9
                     41: #define        TTYPE_SSECTION    10
                     42: #define        TTYPE_FILE        11
                     43: #define        TTYPE_EMPH        12
                     44: #define        TTYPE_CONFIG      13
                     45: #define        TTYPE_CMD         14
                     46: #define        TTYPE_INCLUDE     15
                     47: #define        TTYPE_SYMB        16
                     48: #define        TTYPE_SYMBOL      17
                     49: #define        TTYPE_DIAG        18
                     50: #define        TTYPE_LINK_ANCHOR 19
                     51: #define        TTYPE_LINK_TEXT   20
                     52: #define        TTYPE_REF_JOURNAL 21
                     53: #define        TTYPE_LIST        22
                     54: #define        TTYPE_NMAX        23
                     55:
                     56: const  int ttypes[TTYPE_NMAX] = {
                     57:        TERMP_BOLD,             /* TTYPE_PROG */
                     58:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     59:        TERMP_UNDER,            /* TTYPE_CMD_ARG */
                     60:        TERMP_BOLD,             /* TTYPE_SECTION */
                     61:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     62:        TERMP_UNDER,            /* TTYPE_VAR_DECL */
                     63:        TERMP_UNDER,            /* TTYPE_FUNC_TYPE */
                     64:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     65:        TERMP_UNDER,            /* TTYPE_FUNC_ARG */
                     66:        TERMP_UNDER,            /* TTYPE_LINK */
                     67:        TERMP_BOLD,             /* TTYPE_SSECTION */
1.52      kristaps   68:        0,                      /* TTYPE_FILE */
1.1       kristaps   69:        TERMP_UNDER,            /* TTYPE_EMPH */
                     70:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     71:        TERMP_BOLD,             /* TTYPE_CMD */
                     72:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     73:        TERMP_BOLD,             /* TTYPE_SYMB */
                     74:        TERMP_BOLD,             /* TTYPE_SYMBOL */
                     75:        TERMP_BOLD,             /* TTYPE_DIAG */
                     76:        TERMP_UNDER,            /* TTYPE_LINK_ANCHOR */
                     77:        TERMP_BOLD,             /* TTYPE_LINK_TEXT */
                     78:        TERMP_UNDER,            /* TTYPE_REF_JOURNAL */
                     79:        TERMP_BOLD              /* TTYPE_LIST */
                     80: };
                     81:
                     82: struct termpair {
                     83:        struct termpair  *ppair;
1.31      kristaps   84:        int               flag;
                     85:        int               count;
1.1       kristaps   86: };
                     87:
1.31      kristaps   88: #define        DECL_ARGS struct termp *p, \
                     89:                  struct termpair *pair, \
                     90:                  const struct mdoc_meta *meta, \
                     91:                  const struct mdoc_node *node
1.1       kristaps   92:
                     93: struct termact {
                     94:        int     (*pre)(DECL_ARGS);
                     95:        void    (*post)(DECL_ARGS);
                     96: };
                     97:
1.31      kristaps   98: static void      termp____post(DECL_ARGS);
                     99: static void      termp__t_post(DECL_ARGS);
                    100: static void      termp_aq_post(DECL_ARGS);
                    101: static void      termp_bd_post(DECL_ARGS);
                    102: static void      termp_bl_post(DECL_ARGS);
                    103: static void      termp_bq_post(DECL_ARGS);
                    104: static void      termp_brq_post(DECL_ARGS);
                    105: static void      termp_bx_post(DECL_ARGS);
                    106: static void      termp_d1_post(DECL_ARGS);
                    107: static void      termp_dq_post(DECL_ARGS);
                    108: static void      termp_fd_post(DECL_ARGS);
                    109: static void      termp_fn_post(DECL_ARGS);
                    110: static void      termp_fo_post(DECL_ARGS);
                    111: static void      termp_ft_post(DECL_ARGS);
                    112: static void      termp_in_post(DECL_ARGS);
                    113: static void      termp_it_post(DECL_ARGS);
                    114: static void      termp_lb_post(DECL_ARGS);
                    115: static void      termp_op_post(DECL_ARGS);
                    116: static void      termp_pf_post(DECL_ARGS);
                    117: static void      termp_pq_post(DECL_ARGS);
                    118: static void      termp_qq_post(DECL_ARGS);
                    119: static void      termp_sh_post(DECL_ARGS);
                    120: static void      termp_sq_post(DECL_ARGS);
                    121: static void      termp_ss_post(DECL_ARGS);
                    122: static void      termp_vt_post(DECL_ARGS);
                    123:
                    124: static int       termp__j_pre(DECL_ARGS);
                    125: static int       termp__t_pre(DECL_ARGS);
                    126: static int       termp_ap_pre(DECL_ARGS);
                    127: static int       termp_aq_pre(DECL_ARGS);
                    128: static int       termp_ar_pre(DECL_ARGS);
                    129: static int       termp_bd_pre(DECL_ARGS);
                    130: static int       termp_bf_pre(DECL_ARGS);
                    131: static int       termp_bq_pre(DECL_ARGS);
1.44      kristaps  132: static int       termp_br_pre(DECL_ARGS);
1.31      kristaps  133: static int       termp_brq_pre(DECL_ARGS);
                    134: static int       termp_bt_pre(DECL_ARGS);
                    135: static int       termp_cd_pre(DECL_ARGS);
                    136: static int       termp_cm_pre(DECL_ARGS);
                    137: static int       termp_d1_pre(DECL_ARGS);
                    138: static int       termp_dq_pre(DECL_ARGS);
                    139: static int       termp_em_pre(DECL_ARGS);
                    140: static int       termp_ex_pre(DECL_ARGS);
                    141: static int       termp_fa_pre(DECL_ARGS);
                    142: static int       termp_fd_pre(DECL_ARGS);
                    143: static int       termp_fl_pre(DECL_ARGS);
                    144: static int       termp_fn_pre(DECL_ARGS);
                    145: static int       termp_fo_pre(DECL_ARGS);
                    146: static int       termp_ft_pre(DECL_ARGS);
                    147: static int       termp_ic_pre(DECL_ARGS);
                    148: static int       termp_in_pre(DECL_ARGS);
                    149: static int       termp_it_pre(DECL_ARGS);
                    150: static int       termp_lk_pre(DECL_ARGS);
                    151: static int       termp_ms_pre(DECL_ARGS);
                    152: static int       termp_mt_pre(DECL_ARGS);
                    153: static int       termp_nd_pre(DECL_ARGS);
                    154: static int       termp_nm_pre(DECL_ARGS);
                    155: static int       termp_ns_pre(DECL_ARGS);
                    156: static int       termp_op_pre(DECL_ARGS);
                    157: static int       termp_pf_pre(DECL_ARGS);
                    158: static int       termp_pp_pre(DECL_ARGS);
                    159: static int       termp_pq_pre(DECL_ARGS);
                    160: static int       termp_qq_pre(DECL_ARGS);
                    161: static int       termp_rs_pre(DECL_ARGS);
                    162: static int       termp_rv_pre(DECL_ARGS);
                    163: static int       termp_sh_pre(DECL_ARGS);
                    164: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  165: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  166: static int       termp_sq_pre(DECL_ARGS);
                    167: static int       termp_ss_pre(DECL_ARGS);
                    168: static int       termp_sx_pre(DECL_ARGS);
                    169: static int       termp_sy_pre(DECL_ARGS);
                    170: static int       termp_ud_pre(DECL_ARGS);
                    171: static int       termp_va_pre(DECL_ARGS);
                    172: static int       termp_vt_pre(DECL_ARGS);
                    173: static int       termp_xr_pre(DECL_ARGS);
                    174: static int       termp_xx_pre(DECL_ARGS);
                    175:
1.1       kristaps  176: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  177:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  178:        { NULL, NULL }, /* Dd */
                    179:        { NULL, NULL }, /* Dt */
                    180:        { NULL, NULL }, /* Os */
                    181:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    182:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    183:        { termp_pp_pre, NULL }, /* Pp */
                    184:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    185:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    186:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    187:        { NULL, NULL }, /* Ed */
                    188:        { NULL, termp_bl_post }, /* Bl */
                    189:        { NULL, NULL }, /* El */
                    190:        { termp_it_pre, termp_it_post }, /* It */
                    191:        { NULL, NULL }, /* Ad */
                    192:        { NULL, NULL }, /* An */
                    193:        { termp_ar_pre, NULL }, /* Ar */
                    194:        { termp_cd_pre, NULL }, /* Cd */
                    195:        { termp_cm_pre, NULL }, /* Cm */
                    196:        { NULL, NULL }, /* Dv */
                    197:        { NULL, NULL }, /* Er */
                    198:        { NULL, NULL }, /* Ev */
                    199:        { termp_ex_pre, NULL }, /* Ex */
                    200:        { termp_fa_pre, NULL }, /* Fa */
                    201:        { termp_fd_pre, termp_fd_post }, /* Fd */
                    202:        { termp_fl_pre, NULL }, /* Fl */
                    203:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    204:        { termp_ft_pre, termp_ft_post }, /* Ft */
                    205:        { termp_ic_pre, NULL }, /* Ic */
                    206:        { termp_in_pre, termp_in_post }, /* In */
                    207:        { NULL, NULL }, /* Li */
                    208:        { termp_nd_pre, NULL }, /* Nd */
                    209:        { termp_nm_pre, NULL }, /* Nm */
                    210:        { termp_op_pre, termp_op_post }, /* Op */
                    211:        { NULL, NULL }, /* Ot */
1.52      kristaps  212:        { NULL, NULL }, /* Pa */
1.1       kristaps  213:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  214:        { NULL, NULL }, /* St */
1.1       kristaps  215:        { termp_va_pre, NULL }, /* Va */
                    216:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    217:        { termp_xr_pre, NULL }, /* Xr */
                    218:        { NULL, termp____post }, /* %A */
                    219:        { NULL, termp____post }, /* %B */
                    220:        { NULL, termp____post }, /* %D */
                    221:        { NULL, termp____post }, /* %I */
                    222:        { termp__j_pre, termp____post }, /* %J */
                    223:        { NULL, termp____post }, /* %N */
                    224:        { NULL, termp____post }, /* %O */
                    225:        { NULL, termp____post }, /* %P */
                    226:        { NULL, termp____post }, /* %R */
                    227:        { termp__t_pre, termp__t_post }, /* %T */
                    228:        { NULL, termp____post }, /* %V */
                    229:        { NULL, NULL }, /* Ac */
                    230:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    231:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  232:        { NULL, NULL }, /* At */
1.1       kristaps  233:        { NULL, NULL }, /* Bc */
                    234:        { termp_bf_pre, NULL }, /* Bf */
                    235:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    236:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  237:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  238:        { NULL, termp_bx_post }, /* Bx */
                    239:        { NULL, NULL }, /* Db */
                    240:        { NULL, NULL }, /* Dc */
                    241:        { termp_dq_pre, termp_dq_post }, /* Do */
                    242:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    243:        { NULL, NULL }, /* Ec */
                    244:        { NULL, NULL }, /* Ef */
                    245:        { termp_em_pre, NULL }, /* Em */
                    246:        { NULL, NULL }, /* Eo */
1.26      kristaps  247:        { termp_xx_pre, NULL }, /* Fx */
1.1       kristaps  248:        { termp_ms_pre, NULL }, /* Ms */
                    249:        { NULL, NULL }, /* No */
                    250:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  251:        { termp_xx_pre, NULL }, /* Nx */
                    252:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  253:        { NULL, NULL }, /* Pc */
                    254:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    255:        { termp_pq_pre, termp_pq_post }, /* Po */
                    256:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    257:        { NULL, NULL }, /* Qc */
                    258:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    259:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    260:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    261:        { NULL, NULL }, /* Re */
                    262:        { termp_rs_pre, NULL }, /* Rs */
                    263:        { NULL, NULL }, /* Sc */
                    264:        { termp_sq_pre, termp_sq_post }, /* So */
                    265:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    266:        { termp_sm_pre, NULL }, /* Sm */
                    267:        { termp_sx_pre, NULL }, /* Sx */
                    268:        { termp_sy_pre, NULL }, /* Sy */
                    269:        { NULL, NULL }, /* Tn */
1.26      kristaps  270:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  271:        { NULL, NULL }, /* Xc */
                    272:        { NULL, NULL }, /* Xo */
                    273:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    274:        { NULL, NULL }, /* Fc */
                    275:        { termp_op_pre, termp_op_post }, /* Oo */
                    276:        { NULL, NULL }, /* Oc */
                    277:        { NULL, NULL }, /* Bk */
                    278:        { NULL, NULL }, /* Ek */
                    279:        { termp_bt_pre, NULL }, /* Bt */
                    280:        { NULL, NULL }, /* Hf */
                    281:        { NULL, NULL }, /* Fr */
                    282:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  283:        { NULL, termp_lb_post }, /* Lb */
1.14      kristaps  284:        { termp_pp_pre, NULL }, /* Lp */
1.1       kristaps  285:        { termp_lk_pre, NULL }, /* Lk */
                    286:        { termp_mt_pre, NULL }, /* Mt */
                    287:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    288:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    289:        { NULL, NULL }, /* Brc */
                    290:        { NULL, NULL }, /* %C */
                    291:        { NULL, NULL }, /* Es */
                    292:        { NULL, NULL }, /* En */
1.26      kristaps  293:        { termp_xx_pre, NULL }, /* Dx */
1.1       kristaps  294:        { NULL, NULL }, /* %Q */
1.44      kristaps  295:        { termp_br_pre, NULL }, /* br */
1.45      kristaps  296:        { termp_sp_pre, NULL }, /* sp */
1.1       kristaps  297: };
                    298:
1.2       kristaps  299: #ifdef __linux__
1.9       kristaps  300: extern size_t    strlcpy(char *, const char *, size_t);
                    301: extern size_t    strlcat(char *, const char *, size_t);
1.2       kristaps  302: #endif
                    303:
1.1       kristaps  304: static int       arg_hasattr(int, const struct mdoc_node *);
                    305: static int       arg_getattrs(const int *, int *, size_t,
                    306:                        const struct mdoc_node *);
                    307: static int       arg_getattr(int, const struct mdoc_node *);
                    308: static size_t    arg_offset(const struct mdoc_argv *);
                    309: static size_t    arg_width(const struct mdoc_argv *, int);
                    310: static int       arg_listtype(const struct mdoc_node *);
1.54      kristaps  311: static void      fmt_block_vspace(struct termp *,
1.1       kristaps  312:                        const struct mdoc_node *,
                    313:                        const struct mdoc_node *);
1.3       kristaps  314: static void      print_node(DECL_ARGS);
                    315: static void      print_head(struct termp *,
1.1       kristaps  316:                        const struct mdoc_meta *);
1.3       kristaps  317: static void      print_body(DECL_ARGS);
                    318: static void      print_foot(struct termp *,
1.1       kristaps  319:                        const struct mdoc_meta *);
                    320:
                    321:
                    322: int
                    323: mdoc_run(struct termp *p, const struct mdoc *m)
                    324: {
1.9       kristaps  325:        /*
                    326:         * Main output function.  When this is called, assume that the
                    327:         * tree is properly formed.
                    328:         */
1.3       kristaps  329:        print_head(p, mdoc_meta(m));
1.14      kristaps  330:        assert(mdoc_node(m));
                    331:        assert(MDOC_ROOT == mdoc_node(m)->type);
                    332:        if (mdoc_node(m)->child)
                    333:                print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child);
1.3       kristaps  334:        print_foot(p, mdoc_meta(m));
                    335:        return(1);
1.1       kristaps  336: }
                    337:
                    338:
1.3       kristaps  339: static void
1.1       kristaps  340: print_body(DECL_ARGS)
                    341: {
                    342:
1.3       kristaps  343:        print_node(p, pair, meta, node);
1.1       kristaps  344:        if ( ! node->next)
1.3       kristaps  345:                return;
                    346:        print_body(p, pair, meta, node->next);
1.1       kristaps  347: }
                    348:
                    349:
1.3       kristaps  350: static void
1.1       kristaps  351: print_node(DECL_ARGS)
                    352: {
                    353:        int              dochild;
                    354:        struct termpair  npair;
1.30      kristaps  355:        size_t           offset, rmargin;
1.1       kristaps  356:
                    357:        dochild = 1;
1.29      kristaps  358:        offset = p->offset;
1.30      kristaps  359:        rmargin = p->rmargin;
1.29      kristaps  360:
1.1       kristaps  361:        npair.ppair = pair;
                    362:        npair.flag = 0;
                    363:        npair.count = 0;
                    364:
1.46      kristaps  365:        /*
                    366:         * Note on termpair.  This allows a pre function to set a termp
                    367:         * flag that is automatically unset after the body, but before
                    368:         * the post function.  Thus, if a pre uses a termpair flag, it
                    369:         * must be reapplied in the post for use.
                    370:         */
                    371:
1.1       kristaps  372:        if (MDOC_TEXT != node->type) {
                    373:                if (termacts[node->tok].pre)
                    374:                        if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node))
                    375:                                dochild = 0;
                    376:        } else /* MDOC_TEXT == node->type */
                    377:                term_word(p, node->string);
                    378:
                    379:        /* Children. */
                    380:
1.28      kristaps  381:        p->flags |= npair.flag;
1.1       kristaps  382:
                    383:        if (dochild && node->child)
                    384:                print_body(p, &npair, meta, node->child);
                    385:
1.46      kristaps  386:        p->flags &= ~npair.flag;
                    387:
1.1       kristaps  388:        /* Post-processing. */
                    389:
                    390:        if (MDOC_TEXT != node->type)
                    391:                if (termacts[node->tok].post)
                    392:                        (*termacts[node->tok].post)(p, &npair, meta, node);
1.29      kristaps  393:
                    394:        p->offset = offset;
1.30      kristaps  395:        p->rmargin = rmargin;
1.1       kristaps  396: }
                    397:
                    398:
1.3       kristaps  399: static void
1.1       kristaps  400: print_foot(struct termp *p, const struct mdoc_meta *meta)
                    401: {
                    402:        struct tm       *tm;
                    403:        char            *buf, *os;
                    404:
1.9       kristaps  405:        /*
                    406:         * Output the footer in new-groff style, that is, three columns
                    407:         * with the middle being the manual date and flanking columns
                    408:         * being the operating system:
                    409:         *
                    410:         * SYSTEM                  DATE                    SYSTEM
                    411:         */
                    412:
1.1       kristaps  413:        if (NULL == (buf = malloc(p->rmargin)))
                    414:                err(1, "malloc");
                    415:        if (NULL == (os = malloc(p->rmargin)))
                    416:                err(1, "malloc");
                    417:
                    418:        tm = localtime(&meta->date);
                    419:
1.42      kristaps  420:        if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))
1.1       kristaps  421:                err(1, "strftime");
                    422:
                    423:        (void)strlcpy(os, meta->os, p->rmargin);
                    424:
                    425:        term_vspace(p);
                    426:
1.9       kristaps  427:        p->offset = 0;
                    428:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  429:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    430:
                    431:        term_word(p, os);
                    432:        term_flushln(p);
                    433:
1.9       kristaps  434:        p->offset = p->rmargin;
                    435:        p->rmargin = p->maxrmargin - strlen(os);
1.1       kristaps  436:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  437:
                    438:        term_word(p, buf);
                    439:        term_flushln(p);
                    440:
1.1       kristaps  441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
                    443:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  444:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  445:
1.9       kristaps  446:        term_word(p, os);
1.1       kristaps  447:        term_flushln(p);
                    448:
1.9       kristaps  449:        p->offset = 0;
                    450:        p->rmargin = p->maxrmargin;
                    451:        p->flags = 0;
                    452:
1.1       kristaps  453:        free(buf);
                    454:        free(os);
                    455: }
                    456:
                    457:
1.3       kristaps  458: static void
1.1       kristaps  459: print_head(struct termp *p, const struct mdoc_meta *meta)
                    460: {
                    461:        char            *buf, *title;
                    462:
                    463:        p->rmargin = p->maxrmargin;
                    464:        p->offset = 0;
                    465:
                    466:        if (NULL == (buf = malloc(p->rmargin)))
                    467:                err(1, "malloc");
                    468:        if (NULL == (title = malloc(p->rmargin)))
                    469:                err(1, "malloc");
                    470:
                    471:        /*
                    472:         * The header is strange.  It has three components, which are
                    473:         * really two with the first duplicated.  It goes like this:
                    474:         *
                    475:         * IDENTIFIER              TITLE                   IDENTIFIER
                    476:         *
                    477:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    478:         * (if given, or "unknown" if not) followed by the manual page
                    479:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    480:         * string depending on the manual volume.  If not specified, it
                    481:         * switches on the manual section.
                    482:         */
                    483:
                    484:        assert(meta->vol);
                    485:        (void)strlcpy(buf, meta->vol, p->rmargin);
                    486:
                    487:        if (meta->arch) {
                    488:                (void)strlcat(buf, " (", p->rmargin);
                    489:                (void)strlcat(buf, meta->arch, p->rmargin);
                    490:                (void)strlcat(buf, ")", p->rmargin);
                    491:        }
                    492:
                    493:        (void)snprintf(title, p->rmargin, "%s(%d)",
                    494:                        meta->title, meta->msec);
                    495:
                    496:        p->offset = 0;
1.8       kristaps  497:        p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1       kristaps  498:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    499:
                    500:        term_word(p, title);
                    501:        term_flushln(p);
                    502:
                    503:        p->offset = p->rmargin;
                    504:        p->rmargin = p->maxrmargin - strlen(title);
1.9       kristaps  505:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  506:
                    507:        term_word(p, buf);
                    508:        term_flushln(p);
                    509:
                    510:        p->offset = p->rmargin;
                    511:        p->rmargin = p->maxrmargin;
                    512:        p->flags &= ~TERMP_NOBREAK;
                    513:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    514:
                    515:        term_word(p, title);
                    516:        term_flushln(p);
                    517:
1.9       kristaps  518:        p->offset = 0;
1.1       kristaps  519:        p->rmargin = p->maxrmargin;
                    520:        p->flags &= ~TERMP_NOSPACE;
                    521:
                    522:        free(title);
                    523:        free(buf);
                    524: }
                    525:
                    526:
                    527: static size_t
                    528: arg_width(const struct mdoc_argv *arg, int pos)
                    529: {
                    530:        int              i, len;
1.40      kristaps  531:        const char      *p;
1.1       kristaps  532:
                    533:        assert(pos < (int)arg->sz && pos >= 0);
                    534:        assert(arg->value[pos]);
                    535:
1.40      kristaps  536:        p = arg->value[pos];
                    537:
                    538:        if (0 == (len = (int)strlen(p)))
1.1       kristaps  539:                return(0);
                    540:
                    541:        for (i = 0; i < len - 1; i++)
1.40      kristaps  542:                if ( ! isdigit((u_char)p[i]))
1.1       kristaps  543:                        break;
                    544:
1.40      kristaps  545:        if (i == len - 1)
                    546:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    547:                        return((size_t)atoi(p) + 2);
1.1       kristaps  548:
1.40      kristaps  549:        return((size_t)len + 2);
1.1       kristaps  550: }
                    551:
                    552:
                    553: static int
                    554: arg_listtype(const struct mdoc_node *n)
                    555: {
                    556:        int              i, len;
                    557:
                    558:        assert(MDOC_BLOCK == n->type);
                    559:
                    560:        len = (int)(n->args ? n->args->argc : 0);
                    561:
                    562:        for (i = 0; i < len; i++)
                    563:                switch (n->args->argv[i].arg) {
                    564:                case (MDOC_Bullet):
                    565:                        /* FALLTHROUGH */
                    566:                case (MDOC_Dash):
                    567:                        /* FALLTHROUGH */
                    568:                case (MDOC_Enum):
                    569:                        /* FALLTHROUGH */
                    570:                case (MDOC_Hyphen):
                    571:                        /* FALLTHROUGH */
                    572:                case (MDOC_Tag):
                    573:                        /* FALLTHROUGH */
                    574:                case (MDOC_Inset):
                    575:                        /* FALLTHROUGH */
                    576:                case (MDOC_Diag):
                    577:                        /* FALLTHROUGH */
                    578:                case (MDOC_Item):
                    579:                        /* FALLTHROUGH */
                    580:                case (MDOC_Column):
                    581:                        /* FALLTHROUGH */
1.38      kristaps  582:                case (MDOC_Hang):
                    583:                        /* FALLTHROUGH */
1.1       kristaps  584:                case (MDOC_Ohang):
                    585:                        return(n->args->argv[i].arg);
                    586:                default:
                    587:                        break;
                    588:                }
                    589:
1.38      kristaps  590:        return(-1);
1.1       kristaps  591: }
                    592:
                    593:
                    594: static size_t
                    595: arg_offset(const struct mdoc_argv *arg)
                    596: {
1.40      kristaps  597:        int              len, i;
                    598:        const char      *p;
1.1       kristaps  599:
                    600:        assert(*arg->value);
1.40      kristaps  601:        p = *arg->value;
                    602:
                    603:        if (0 == strcmp(p, "left"))
1.19      kristaps  604:                return(0);
1.40      kristaps  605:        if (0 == strcmp(p, "indent"))
1.16      kristaps  606:                return(INDENT + 1);
1.40      kristaps  607:        if (0 == strcmp(p, "indent-two"))
1.20      kristaps  608:                return((INDENT + 1) * 2);
1.10      kristaps  609:
1.40      kristaps  610:        if (0 == (len = (int)strlen(p)))
                    611:                return(0);
                    612:
                    613:        for (i = 0; i < len - 1; i++)
                    614:                if ( ! isdigit((u_char)p[i]))
                    615:                        break;
                    616:
                    617:        if (i == len - 1)
                    618:                if ('n' == p[len - 1] || 'm' == p[len - 1])
                    619:                        return((size_t)atoi(p));
1.11      kristaps  620:
1.40      kristaps  621:        return((size_t)len);
1.1       kristaps  622: }
                    623:
                    624:
                    625: static int
                    626: arg_hasattr(int arg, const struct mdoc_node *n)
                    627: {
                    628:
                    629:        return(-1 != arg_getattr(arg, n));
                    630: }
                    631:
                    632:
                    633: static int
                    634: arg_getattr(int v, const struct mdoc_node *n)
                    635: {
                    636:        int              val;
                    637:
                    638:        return(arg_getattrs(&v, &val, 1, n) ? val : -1);
                    639: }
                    640:
                    641:
                    642: static int
                    643: arg_getattrs(const int *keys, int *vals,
                    644:                size_t sz, const struct mdoc_node *n)
                    645: {
                    646:        int              i, j, k;
                    647:
                    648:        if (NULL == n->args)
                    649:                return(0);
                    650:
                    651:        for (k = i = 0; i < (int)n->args->argc; i++)
                    652:                for (j = 0; j < (int)sz; j++)
                    653:                        if (n->args->argv[i].arg == keys[j]) {
                    654:                                vals[j] = i;
                    655:                                k++;
                    656:                        }
                    657:        return(k);
                    658: }
                    659:
                    660:
                    661: /* ARGSUSED */
1.54      kristaps  662: static void
1.1       kristaps  663: fmt_block_vspace(struct termp *p,
                    664:                const struct mdoc_node *bl,
                    665:                const struct mdoc_node *node)
                    666: {
                    667:        const struct mdoc_node *n;
                    668:
                    669:        term_newln(p);
                    670:
                    671:        if (arg_hasattr(MDOC_Compact, bl))
1.54      kristaps  672:                return;
                    673:
                    674:        /*
                    675:         * Search through our prior nodes.  If we follow a `Ss' or `Sh',
                    676:         * then don't vspace.
                    677:         */
1.1       kristaps  678:
                    679:        for (n = node; n; n = n->parent) {
                    680:                if (MDOC_BLOCK != n->type)
                    681:                        continue;
                    682:                if (MDOC_Ss == n->tok)
1.54      kristaps  683:                        return;
1.1       kristaps  684:                if (MDOC_Sh == n->tok)
1.54      kristaps  685:                        return;
1.1       kristaps  686:                if (NULL == n->prev)
                    687:                        continue;
                    688:                break;
                    689:        }
                    690:
1.54      kristaps  691:        /*
1.55    ! kristaps  692:         * XXX - not documented: a `-column' does not ever assert vspace
        !           693:         * within the list.
1.54      kristaps  694:         */
                    695:
                    696:        if (arg_hasattr(MDOC_Column, bl))
                    697:                if (node->prev && MDOC_It == node->prev->tok)
                    698:                        return;
                    699:
1.55    ! kristaps  700:        /*
        !           701:         * XXX - not documented: a `-diag' without a body does not
        !           702:         * assert a vspace prior to the next element.
        !           703:         */
        !           704:        if (arg_hasattr(MDOC_Diag, bl))
        !           705:                if (node->prev && MDOC_It == node->prev->tok) {
        !           706:                        assert(node->prev->body);
        !           707:                        if (NULL == node->prev->body->child)
        !           708:                                return;
        !           709:                }
        !           710:
1.54      kristaps  711:        term_vspace(p);
1.1       kristaps  712: }
                    713:
                    714:
                    715: /* ARGSUSED */
                    716: static int
                    717: termp_dq_pre(DECL_ARGS)
                    718: {
                    719:
                    720:        if (MDOC_BODY != node->type)
                    721:                return(1);
                    722:
                    723:        term_word(p, "\\(lq");
                    724:        p->flags |= TERMP_NOSPACE;
                    725:        return(1);
                    726: }
                    727:
                    728:
                    729: /* ARGSUSED */
                    730: static void
                    731: termp_dq_post(DECL_ARGS)
                    732: {
                    733:
                    734:        if (MDOC_BODY != node->type)
                    735:                return;
                    736:
                    737:        p->flags |= TERMP_NOSPACE;
                    738:        term_word(p, "\\(rq");
                    739: }
                    740:
                    741:
                    742: /* ARGSUSED */
                    743: static int
                    744: termp_it_pre(DECL_ARGS)
                    745: {
                    746:        const struct mdoc_node *bl, *n;
                    747:        char                    buf[7];
1.39      kristaps  748:        int                     i, type, keys[3], vals[3];
1.1       kristaps  749:        size_t                  width, offset;
                    750:
1.54      kristaps  751:        if (MDOC_BLOCK == node->type) {
                    752:                fmt_block_vspace(p, node->parent->parent, node);
                    753:                return(1);
                    754:        }
1.1       kristaps  755:
                    756:        bl = node->parent->parent->parent;
                    757:
                    758:        /* Save parent attributes. */
                    759:
                    760:        pair->flag = p->flags;
                    761:
                    762:        /* Get list width and offset. */
                    763:
                    764:        keys[0] = MDOC_Width;
                    765:        keys[1] = MDOC_Offset;
                    766:        keys[2] = MDOC_Column;
                    767:
                    768:        vals[0] = vals[1] = vals[2] = -1;
                    769:
                    770:        width = offset = 0;
                    771:
                    772:        (void)arg_getattrs(keys, vals, 3, bl);
                    773:
                    774:        type = arg_listtype(bl);
1.38      kristaps  775:        assert(-1 != type);
1.1       kristaps  776:
                    777:        /* Calculate real width and offset. */
                    778:
                    779:        switch (type) {
                    780:        case (MDOC_Column):
                    781:                if (MDOC_BODY == node->type)
                    782:                        break;
                    783:                for (i = 0, n = node->prev; n; n = n->prev, i++)
                    784:                        offset += arg_width
                    785:                                (&bl->args->argv[vals[2]], i);
                    786:                assert(i < (int)bl->args->argv[vals[2]].sz);
                    787:                width = arg_width(&bl->args->argv[vals[2]], i);
                    788:                if (vals[1] >= 0)
                    789:                        offset += arg_offset(&bl->args->argv[vals[1]]);
                    790:                break;
                    791:        default:
                    792:                if (vals[0] >= 0)
                    793:                        width = arg_width(&bl->args->argv[vals[0]], 0);
                    794:                if (vals[1] >= 0)
1.19      kristaps  795:                        offset += arg_offset(&bl->args->argv[vals[1]]);
1.1       kristaps  796:                break;
                    797:        }
                    798:
                    799:        /*
                    800:         * List-type can override the width in the case of fixed-head
                    801:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.38      kristaps  802:         * offset.  FIXME: double-check that correct.
1.1       kristaps  803:         */
                    804:
                    805:        switch (type) {
                    806:        case (MDOC_Bullet):
                    807:                /* FALLTHROUGH */
                    808:        case (MDOC_Dash):
                    809:                /* FALLTHROUGH */
                    810:        case (MDOC_Hyphen):
                    811:                if (width < 4)
                    812:                        width = 4;
                    813:                break;
1.17      kristaps  814:        case (MDOC_Enum):
                    815:                if (width < 5)
                    816:                        width = 5;
                    817:                break;
1.38      kristaps  818:        case (MDOC_Hang):
1.39      kristaps  819:                if (0 == width)
                    820:                        width = 8;
                    821:                break;
1.49      kristaps  822:        case (MDOC_Column):
                    823:                /* FALLTHROUGH */
1.1       kristaps  824:        case (MDOC_Tag):
                    825:                if (0 == width)
                    826:                        width = 10;
                    827:                break;
                    828:        default:
                    829:                break;
                    830:        }
                    831:
                    832:        /*
1.17      kristaps  833:         * Whitespace control.  Inset bodies need an initial space,
                    834:         * while diagonal bodies need two.
1.1       kristaps  835:         */
                    836:
1.51      kristaps  837:        p->flags |= TERMP_NOSPACE;
                    838:
1.1       kristaps  839:        switch (type) {
1.51      kristaps  840:        case (MDOC_Diag):
                    841:                term_word(p, "\\ \\ ");
                    842:                break;
1.1       kristaps  843:        case (MDOC_Inset):
                    844:                if (MDOC_BODY == node->type)
1.51      kristaps  845:                        term_word(p, "\\ ");
1.1       kristaps  846:                break;
                    847:        default:
                    848:                break;
                    849:        }
                    850:
1.51      kristaps  851:        p->flags |= TERMP_NOSPACE;
                    852:
1.1       kristaps  853:        /*
                    854:         * Style flags.  Diagnostic heads need TTYPE_DIAG.
                    855:         */
                    856:
                    857:        switch (type) {
                    858:        case (MDOC_Diag):
                    859:                if (MDOC_HEAD == node->type)
                    860:                        p->flags |= ttypes[TTYPE_DIAG];
                    861:                break;
                    862:        default:
                    863:                break;
                    864:        }
                    865:
                    866:        /*
                    867:         * Pad and break control.  This is the tricker part.  Lists with
                    868:         * set right-margins for the head get TERMP_NOBREAK because, if
                    869:         * they overrun the margin, they wrap to the new margin.
                    870:         * Correspondingly, the body for these types don't left-pad, as
                    871:         * the head will pad out to to the right.
                    872:         */
                    873:
                    874:        switch (type) {
                    875:        case (MDOC_Bullet):
                    876:                /* FALLTHROUGH */
                    877:        case (MDOC_Dash):
                    878:                /* FALLTHROUGH */
                    879:        case (MDOC_Enum):
                    880:                /* FALLTHROUGH */
                    881:        case (MDOC_Hyphen):
1.39      kristaps  882:                if (MDOC_HEAD == node->type)
                    883:                        p->flags |= TERMP_NOBREAK;
                    884:                else
                    885:                        p->flags |= TERMP_NOLPAD;
                    886:                break;
1.38      kristaps  887:        case (MDOC_Hang):
1.39      kristaps  888:                if (MDOC_HEAD == node->type)
                    889:                        p->flags |= TERMP_NOBREAK;
                    890:                else
                    891:                        p->flags |= TERMP_NOLPAD;
                    892:
                    893:                if (MDOC_HEAD == node->type)
                    894:                        p->flags |= TERMP_HANG;
                    895:                break;
1.1       kristaps  896:        case (MDOC_Tag):
                    897:                if (MDOC_HEAD == node->type)
1.51      kristaps  898:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  899:                else
                    900:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  901:
1.39      kristaps  902:                if (MDOC_HEAD != node->type)
                    903:                        break;
                    904:                if (NULL == node->next || NULL == node->next->child)
                    905:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  906:                break;
                    907:        case (MDOC_Column):
                    908:                if (MDOC_HEAD == node->type) {
                    909:                        assert(node->next);
                    910:                        if (MDOC_BODY == node->next->type)
                    911:                                p->flags &= ~TERMP_NOBREAK;
                    912:                        else
                    913:                                p->flags |= TERMP_NOBREAK;
                    914:                        if (node->prev)
                    915:                                p->flags |= TERMP_NOLPAD;
                    916:                }
                    917:                break;
                    918:        case (MDOC_Diag):
                    919:                if (MDOC_HEAD == node->type)
                    920:                        p->flags |= TERMP_NOBREAK;
                    921:                break;
                    922:        default:
                    923:                break;
                    924:        }
                    925:
                    926:        /*
                    927:         * Margin control.  Set-head-width lists have their right
                    928:         * margins shortened.  The body for these lists has the offset
                    929:         * necessarily lengthened.  Everybody gets the offset.
                    930:         */
                    931:
                    932:        p->offset += offset;
                    933:
                    934:        switch (type) {
                    935:        case (MDOC_Bullet):
                    936:                /* FALLTHROUGH */
                    937:        case (MDOC_Dash):
                    938:                /* FALLTHROUGH */
                    939:        case (MDOC_Enum):
                    940:                /* FALLTHROUGH */
                    941:        case (MDOC_Hyphen):
                    942:                /* FALLTHROUGH */
1.38      kristaps  943:        case (MDOC_Hang):
                    944:                /* FALLTHROUGH */
1.1       kristaps  945:        case (MDOC_Tag):
1.49      kristaps  946:                assert(width);
1.1       kristaps  947:                if (MDOC_HEAD == node->type)
                    948:                        p->rmargin = p->offset + width;
                    949:                else
                    950:                        p->offset += width;
                    951:                break;
                    952:        case (MDOC_Column):
1.49      kristaps  953:                assert(width);
1.1       kristaps  954:                p->rmargin = p->offset + width;
1.50      kristaps  955:                /*
                    956:                 * XXX - this behaviour is not documented: the
                    957:                 * right-most column is filled to the right margin.
                    958:                 */
                    959:                if (MDOC_HEAD == node->type &&
                    960:                                MDOC_BODY == node->next->type)
                    961:                        p->rmargin = p->maxrmargin;
1.1       kristaps  962:                break;
                    963:        default:
                    964:                break;
                    965:        }
                    966:
                    967:        /*
                    968:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  969:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  970:         */
                    971:
                    972:        if (MDOC_HEAD == node->type)
                    973:                switch (type) {
                    974:                case (MDOC_Bullet):
1.15      kristaps  975:                        p->flags |= TERMP_BOLD;
1.1       kristaps  976:                        term_word(p, "\\[bu]");
1.39      kristaps  977:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  978:                        break;
                    979:                case (MDOC_Dash):
                    980:                        /* FALLTHROUGH */
                    981:                case (MDOC_Hyphen):
1.15      kristaps  982:                        p->flags |= TERMP_BOLD;
1.27      kristaps  983:                        term_word(p, "\\(hy");
1.39      kristaps  984:                        p->flags &= ~TERMP_BOLD;
1.1       kristaps  985:                        break;
                    986:                case (MDOC_Enum):
                    987:                        (pair->ppair->ppair->count)++;
                    988:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    989:                                        pair->ppair->ppair->count);
                    990:                        term_word(p, buf);
                    991:                        break;
                    992:                default:
                    993:                        break;
                    994:                }
                    995:
                    996:        /*
                    997:         * If we're not going to process our children, indicate so here.
                    998:         */
                    999:
                   1000:        switch (type) {
                   1001:        case (MDOC_Bullet):
                   1002:                /* FALLTHROUGH */
                   1003:        case (MDOC_Item):
                   1004:                /* FALLTHROUGH */
                   1005:        case (MDOC_Dash):
                   1006:                /* FALLTHROUGH */
                   1007:        case (MDOC_Hyphen):
                   1008:                /* FALLTHROUGH */
                   1009:        case (MDOC_Enum):
                   1010:                if (MDOC_HEAD == node->type)
                   1011:                        return(0);
                   1012:                break;
                   1013:        case (MDOC_Column):
                   1014:                if (MDOC_BODY == node->type)
                   1015:                        return(0);
                   1016:                break;
                   1017:        default:
                   1018:                break;
                   1019:        }
                   1020:
                   1021:        return(1);
                   1022: }
                   1023:
                   1024:
                   1025: /* ARGSUSED */
                   1026: static void
                   1027: termp_it_post(DECL_ARGS)
                   1028: {
                   1029:        int                type;
                   1030:
                   1031:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
                   1032:                return;
                   1033:
                   1034:        type = arg_listtype(node->parent->parent->parent);
1.38      kristaps 1035:        assert(-1 != type);
1.1       kristaps 1036:
                   1037:        switch (type) {
                   1038:        case (MDOC_Item):
                   1039:                /* FALLTHROUGH */
1.53      kristaps 1040:        case (MDOC_Diag):
                   1041:                /* FALLTHROUGH */
1.1       kristaps 1042:        case (MDOC_Inset):
                   1043:                if (MDOC_BODY == node->type)
                   1044:                        term_flushln(p);
                   1045:                break;
                   1046:        case (MDOC_Column):
                   1047:                if (MDOC_HEAD == node->type)
                   1048:                        term_flushln(p);
                   1049:                break;
                   1050:        default:
                   1051:                term_flushln(p);
                   1052:                break;
                   1053:        }
                   1054:
                   1055:        p->flags = pair->flag;
                   1056: }
                   1057:
                   1058:
                   1059: /* ARGSUSED */
                   1060: static int
                   1061: termp_nm_pre(DECL_ARGS)
                   1062: {
                   1063:
                   1064:        if (SEC_SYNOPSIS == node->sec)
                   1065:                term_newln(p);
                   1066:
1.28      kristaps 1067:        pair->flag |= ttypes[TTYPE_PROG];
                   1068:        p->flags |= ttypes[TTYPE_PROG];
                   1069:
1.1       kristaps 1070:        if (NULL == node->child)
                   1071:                term_word(p, meta->name);
                   1072:
                   1073:        return(1);
                   1074: }
                   1075:
                   1076:
                   1077: /* ARGSUSED */
                   1078: static int
                   1079: termp_fl_pre(DECL_ARGS)
                   1080: {
                   1081:
1.28      kristaps 1082:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
                   1083:        p->flags |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1084:        term_word(p, "\\-");
                   1085:        p->flags |= TERMP_NOSPACE;
                   1086:        return(1);
                   1087: }
                   1088:
                   1089:
                   1090: /* ARGSUSED */
                   1091: static int
                   1092: termp_ar_pre(DECL_ARGS)
                   1093: {
                   1094:
1.28      kristaps 1095:        pair->flag |= ttypes[TTYPE_CMD_ARG];
1.1       kristaps 1096:        return(1);
                   1097: }
                   1098:
                   1099:
                   1100: /* ARGSUSED */
                   1101: static int
                   1102: termp_ns_pre(DECL_ARGS)
                   1103: {
                   1104:
                   1105:        p->flags |= TERMP_NOSPACE;
                   1106:        return(1);
                   1107: }
                   1108:
                   1109:
                   1110: /* ARGSUSED */
                   1111: static int
                   1112: termp_pp_pre(DECL_ARGS)
                   1113: {
                   1114:
                   1115:        term_vspace(p);
                   1116:        return(1);
                   1117: }
                   1118:
                   1119:
                   1120: /* ARGSUSED */
                   1121: static int
                   1122: termp_rs_pre(DECL_ARGS)
                   1123: {
                   1124:
                   1125:        if (MDOC_BLOCK == node->type && node->prev)
                   1126:                term_vspace(p);
                   1127:        return(1);
                   1128: }
                   1129:
                   1130:
                   1131: /* ARGSUSED */
                   1132: static int
                   1133: termp_rv_pre(DECL_ARGS)
                   1134: {
                   1135:        int              i;
                   1136:
1.34      kristaps 1137:        i = arg_getattr(MDOC_Std, node);
                   1138:        assert(-1 != i);
                   1139:        assert(node->args->argv[i].sz);
1.1       kristaps 1140:
                   1141:        term_newln(p);
                   1142:        term_word(p, "The");
                   1143:
                   1144:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1145:        term_word(p, *node->args->argv[i].value);
                   1146:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1147:        p->flags |= TERMP_NOSPACE;
                   1148:
                   1149:                term_word(p, "() function returns the value 0 if successful;");
                   1150:                term_word(p, "otherwise the value -1 is returned and the");
                   1151:                term_word(p, "global variable");
                   1152:
                   1153:        p->flags |= ttypes[TTYPE_VAR_DECL];
                   1154:        term_word(p, "errno");
                   1155:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                   1156:
                   1157:                term_word(p, "is set to indicate the error.");
                   1158:
                   1159:        return(1);
                   1160: }
                   1161:
                   1162:
                   1163: /* ARGSUSED */
                   1164: static int
                   1165: termp_ex_pre(DECL_ARGS)
                   1166: {
                   1167:        int              i;
                   1168:
1.34      kristaps 1169:        i = arg_getattr(MDOC_Std, node);
                   1170:        assert(-1 != i);
                   1171:        assert(node->args->argv[i].sz);
1.1       kristaps 1172:
                   1173:        term_word(p, "The");
                   1174:        p->flags |= ttypes[TTYPE_PROG];
                   1175:        term_word(p, *node->args->argv[i].value);
                   1176:        p->flags &= ~ttypes[TTYPE_PROG];
                   1177:                term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
                   1178:
                   1179:        return(1);
                   1180: }
                   1181:
                   1182:
                   1183: /* ARGSUSED */
                   1184: static int
                   1185: termp_nd_pre(DECL_ARGS)
                   1186: {
1.25      kristaps 1187:
                   1188:        if (MDOC_BODY != node->type)
                   1189:                return(1);
1.30      kristaps 1190:
1.27      kristaps 1191: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1192:        term_word(p, "\\(en");
1.23      kristaps 1193: #else
                   1194:        term_word(p, "\\(em");
                   1195: #endif
1.1       kristaps 1196:        return(1);
                   1197: }
                   1198:
                   1199:
                   1200: /* ARGSUSED */
                   1201: static void
                   1202: termp_bl_post(DECL_ARGS)
                   1203: {
                   1204:
                   1205:        if (MDOC_BLOCK == node->type)
                   1206:                term_newln(p);
                   1207: }
                   1208:
                   1209:
                   1210: /* ARGSUSED */
                   1211: static void
                   1212: termp_op_post(DECL_ARGS)
                   1213: {
                   1214:
                   1215:        if (MDOC_BODY != node->type)
                   1216:                return;
                   1217:        p->flags |= TERMP_NOSPACE;
                   1218:        term_word(p, "\\(rB");
                   1219: }
                   1220:
                   1221:
                   1222: /* ARGSUSED */
                   1223: static int
                   1224: termp_xr_pre(DECL_ARGS)
                   1225: {
                   1226:        const struct mdoc_node *n;
                   1227:
1.11      kristaps 1228:        assert(node->child && MDOC_TEXT == node->child->type);
                   1229:        n = node->child;
                   1230:
1.1       kristaps 1231:        term_word(p, n->string);
                   1232:        if (NULL == (n = n->next))
                   1233:                return(0);
                   1234:        p->flags |= TERMP_NOSPACE;
                   1235:        term_word(p, "(");
                   1236:        p->flags |= TERMP_NOSPACE;
                   1237:        term_word(p, n->string);
                   1238:        p->flags |= TERMP_NOSPACE;
                   1239:        term_word(p, ")");
                   1240:        return(0);
                   1241: }
                   1242:
                   1243:
                   1244: /* ARGSUSED */
                   1245: static int
                   1246: termp_vt_pre(DECL_ARGS)
                   1247: {
                   1248:
                   1249:        /* FIXME: this can be "type name". */
1.29      kristaps 1250:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1251:        return(1);
                   1252: }
                   1253:
                   1254:
                   1255: /* ARGSUSED */
                   1256: static void
                   1257: termp_vt_post(DECL_ARGS)
                   1258: {
                   1259:
1.32      kristaps 1260:        if (node->sec != SEC_SYNOPSIS)
                   1261:                return;
                   1262:        if (node->next && MDOC_Vt == node->next->tok)
                   1263:                term_newln(p);
                   1264:        else if (node->next)
1.1       kristaps 1265:                term_vspace(p);
                   1266: }
                   1267:
                   1268:
                   1269: /* ARGSUSED */
                   1270: static int
                   1271: termp_fd_pre(DECL_ARGS)
                   1272: {
                   1273:
1.29      kristaps 1274:        pair->flag |= ttypes[TTYPE_FUNC_DECL];
1.1       kristaps 1275:        return(1);
                   1276: }
                   1277:
                   1278:
                   1279: /* ARGSUSED */
                   1280: static void
                   1281: termp_fd_post(DECL_ARGS)
                   1282: {
                   1283:
                   1284:        if (node->sec != SEC_SYNOPSIS)
                   1285:                return;
1.29      kristaps 1286:
1.1       kristaps 1287:        term_newln(p);
                   1288:        if (node->next && MDOC_Fd != node->next->tok)
                   1289:                term_vspace(p);
                   1290: }
                   1291:
                   1292:
                   1293: /* ARGSUSED */
                   1294: static int
                   1295: termp_sh_pre(DECL_ARGS)
                   1296: {
                   1297:
                   1298:        switch (node->type) {
                   1299:        case (MDOC_HEAD):
                   1300:                term_vspace(p);
1.28      kristaps 1301:                pair->flag |= ttypes[TTYPE_SECTION];
1.1       kristaps 1302:                break;
                   1303:        case (MDOC_BODY):
                   1304:                p->offset = INDENT;
                   1305:                break;
                   1306:        default:
                   1307:                break;
                   1308:        }
                   1309:        return(1);
                   1310: }
                   1311:
                   1312:
                   1313: /* ARGSUSED */
                   1314: static void
                   1315: termp_sh_post(DECL_ARGS)
                   1316: {
                   1317:
                   1318:        switch (node->type) {
                   1319:        case (MDOC_HEAD):
                   1320:                term_newln(p);
                   1321:                break;
                   1322:        case (MDOC_BODY):
                   1323:                term_newln(p);
                   1324:                p->offset = 0;
                   1325:                break;
                   1326:        default:
                   1327:                break;
                   1328:        }
                   1329: }
                   1330:
                   1331:
                   1332: /* ARGSUSED */
                   1333: static int
                   1334: termp_op_pre(DECL_ARGS)
                   1335: {
                   1336:
                   1337:        switch (node->type) {
                   1338:        case (MDOC_BODY):
                   1339:                term_word(p, "\\(lB");
                   1340:                p->flags |= TERMP_NOSPACE;
                   1341:                break;
                   1342:        default:
                   1343:                break;
                   1344:        }
                   1345:        return(1);
                   1346: }
                   1347:
                   1348:
                   1349: /* ARGSUSED */
                   1350: static int
                   1351: termp_bt_pre(DECL_ARGS)
                   1352: {
                   1353:
                   1354:        term_word(p, "is currently in beta test.");
                   1355:        return(1);
                   1356: }
                   1357:
                   1358:
                   1359: /* ARGSUSED */
                   1360: static void
                   1361: termp_lb_post(DECL_ARGS)
                   1362: {
                   1363:
                   1364:        term_newln(p);
                   1365: }
                   1366:
                   1367:
                   1368: /* ARGSUSED */
                   1369: static int
                   1370: termp_ud_pre(DECL_ARGS)
                   1371: {
                   1372:
                   1373:        term_word(p, "currently under development.");
                   1374:        return(1);
                   1375: }
                   1376:
                   1377:
                   1378: /* ARGSUSED */
                   1379: static int
                   1380: termp_d1_pre(DECL_ARGS)
                   1381: {
                   1382:
1.4       kristaps 1383:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1384:                return(1);
                   1385:        term_newln(p);
1.29      kristaps 1386:        p->offset += (INDENT + 1);
1.1       kristaps 1387:        return(1);
                   1388: }
                   1389:
                   1390:
                   1391: /* ARGSUSED */
                   1392: static void
                   1393: termp_d1_post(DECL_ARGS)
                   1394: {
                   1395:
1.4       kristaps 1396:        if (MDOC_BLOCK != node->type)
1.1       kristaps 1397:                return;
                   1398:        term_newln(p);
                   1399: }
                   1400:
                   1401:
                   1402: /* ARGSUSED */
                   1403: static int
                   1404: termp_aq_pre(DECL_ARGS)
                   1405: {
                   1406:
                   1407:        if (MDOC_BODY != node->type)
                   1408:                return(1);
                   1409:        term_word(p, "\\(la");
                   1410:        p->flags |= TERMP_NOSPACE;
                   1411:        return(1);
                   1412: }
                   1413:
                   1414:
                   1415: /* ARGSUSED */
                   1416: static void
                   1417: termp_aq_post(DECL_ARGS)
                   1418: {
                   1419:
                   1420:        if (MDOC_BODY != node->type)
                   1421:                return;
                   1422:        p->flags |= TERMP_NOSPACE;
                   1423:        term_word(p, "\\(ra");
                   1424: }
                   1425:
                   1426:
                   1427: /* ARGSUSED */
                   1428: static int
                   1429: termp_ft_pre(DECL_ARGS)
                   1430: {
                   1431:
                   1432:        if (SEC_SYNOPSIS == node->sec)
                   1433:                if (node->prev && MDOC_Fo == node->prev->tok)
                   1434:                        term_vspace(p);
1.28      kristaps 1435:        pair->flag |= ttypes[TTYPE_FUNC_TYPE];
1.1       kristaps 1436:        return(1);
                   1437: }
                   1438:
                   1439:
                   1440: /* ARGSUSED */
                   1441: static void
                   1442: termp_ft_post(DECL_ARGS)
                   1443: {
                   1444:
                   1445:        if (SEC_SYNOPSIS == node->sec)
                   1446:                term_newln(p);
                   1447: }
                   1448:
                   1449:
                   1450: /* ARGSUSED */
                   1451: static int
                   1452: termp_fn_pre(DECL_ARGS)
                   1453: {
                   1454:        const struct mdoc_node *n;
                   1455:
1.11      kristaps 1456:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 1457:
                   1458:        /* FIXME: can be "type funcname" "type varname"... */
                   1459:
                   1460:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1461:        term_word(p, node->child->string);
                   1462:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1463:
                   1464:        p->flags |= TERMP_NOSPACE;
                   1465:        term_word(p, "(");
                   1466:
                   1467:        for (n = node->child->next; n; n = n->next) {
                   1468:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1469:                term_word(p, n->string);
                   1470:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1471:                if (n->next)
                   1472:                        term_word(p, ",");
                   1473:        }
                   1474:
                   1475:        term_word(p, ")");
                   1476:
                   1477:        if (SEC_SYNOPSIS == node->sec)
                   1478:                term_word(p, ";");
                   1479:
                   1480:        return(0);
                   1481: }
                   1482:
                   1483:
                   1484: /* ARGSUSED */
                   1485: static void
                   1486: termp_fn_post(DECL_ARGS)
                   1487: {
                   1488:
                   1489:        if (node->sec == SEC_SYNOPSIS && node->next)
                   1490:                term_vspace(p);
                   1491: }
                   1492:
                   1493:
                   1494: /* ARGSUSED */
                   1495: static int
                   1496: termp_sx_pre(DECL_ARGS)
                   1497: {
                   1498:
1.28      kristaps 1499:        pair->flag |= ttypes[TTYPE_LINK];
1.1       kristaps 1500:        return(1);
                   1501: }
                   1502:
                   1503:
                   1504: /* ARGSUSED */
                   1505: static int
                   1506: termp_fa_pre(DECL_ARGS)
                   1507: {
                   1508:        struct mdoc_node *n;
                   1509:
                   1510:        if (node->parent->tok != MDOC_Fo) {
1.28      kristaps 1511:                pair->flag |= ttypes[TTYPE_FUNC_ARG];
1.1       kristaps 1512:                return(1);
                   1513:        }
                   1514:
                   1515:        for (n = node->child; n; n = n->next) {
                   1516:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1517:                term_word(p, n->string);
                   1518:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1519:                if (n->next)
                   1520:                        term_word(p, ",");
                   1521:        }
                   1522:
                   1523:        if (node->child && node->next && node->next->tok == MDOC_Fa)
                   1524:                term_word(p, ",");
                   1525:
                   1526:        return(0);
                   1527: }
                   1528:
                   1529:
                   1530: /* ARGSUSED */
                   1531: static int
                   1532: termp_va_pre(DECL_ARGS)
                   1533: {
                   1534:
1.28      kristaps 1535:        pair->flag |= ttypes[TTYPE_VAR_DECL];
1.1       kristaps 1536:        return(1);
                   1537: }
                   1538:
                   1539:
                   1540: /* ARGSUSED */
                   1541: static int
                   1542: termp_bd_pre(DECL_ARGS)
                   1543: {
                   1544:        int              i, type, ln;
                   1545:
                   1546:        /*
                   1547:         * This is fairly tricky due primarily to crappy documentation.
                   1548:         * If -ragged or -filled are specified, the block does nothing
                   1549:         * but change the indentation.
                   1550:         *
                   1551:         * If, on the other hand, -unfilled or -literal are specified,
                   1552:         * then the game changes.  Text is printed exactly as entered in
                   1553:         * the display: if a macro line, a newline is appended to the
                   1554:         * line.  Blank lines are allowed.
                   1555:         */
                   1556:
1.54      kristaps 1557:        if (MDOC_BLOCK == node->type) {
                   1558:                fmt_block_vspace(p, node, node);
                   1559:                return(1);
                   1560:        } else if (MDOC_BODY != node->type)
1.1       kristaps 1561:                return(1);
                   1562:
1.11      kristaps 1563:        /* FIXME: display type should be mandated by parser. */
                   1564:
1.1       kristaps 1565:        if (NULL == node->parent->args)
                   1566:                errx(1, "missing display type");
                   1567:
                   1568:        for (type = -1, i = 0;
                   1569:                        i < (int)node->parent->args->argc; i++) {
                   1570:                switch (node->parent->args->argv[i].arg) {
                   1571:                case (MDOC_Ragged):
                   1572:                        /* FALLTHROUGH */
                   1573:                case (MDOC_Filled):
                   1574:                        /* FALLTHROUGH */
                   1575:                case (MDOC_Unfilled):
                   1576:                        /* FALLTHROUGH */
                   1577:                case (MDOC_Literal):
                   1578:                        type = node->parent->args->argv[i].arg;
                   1579:                        i = (int)node->parent->args->argc;
                   1580:                        break;
                   1581:                default:
                   1582:                        break;
                   1583:                }
                   1584:        }
                   1585:
                   1586:        if (NULL == node->parent->args)
                   1587:                errx(1, "missing display type");
                   1588:
                   1589:        i = arg_getattr(MDOC_Offset, node->parent);
                   1590:        if (-1 != i) {
                   1591:                if (1 != node->parent->args->argv[i].sz)
                   1592:                        errx(1, "expected single value");
                   1593:                p->offset += arg_offset(&node->parent->args->argv[i]);
                   1594:        }
                   1595:
                   1596:        switch (type) {
                   1597:        case (MDOC_Literal):
                   1598:                /* FALLTHROUGH */
                   1599:        case (MDOC_Unfilled):
                   1600:                break;
                   1601:        default:
                   1602:                return(1);
                   1603:        }
                   1604:
                   1605:        /*
                   1606:         * Tricky.  Iterate through all children.  If we're on a
                   1607:         * different parse line, append a newline and then the contents.
                   1608:         * Ew.
                   1609:         */
                   1610:
                   1611:        ln = node->child ? node->child->line : 0;
                   1612:
                   1613:        for (node = node->child; node; node = node->next) {
                   1614:                if (ln < node->line) {
                   1615:                        term_flushln(p);
                   1616:                        p->flags |= TERMP_NOSPACE;
                   1617:                }
                   1618:                ln = node->line;
                   1619:                print_node(p, pair, meta, node);
                   1620:        }
                   1621:
                   1622:        return(0);
                   1623: }
                   1624:
                   1625:
                   1626: /* ARGSUSED */
                   1627: static void
                   1628: termp_bd_post(DECL_ARGS)
                   1629: {
                   1630:
                   1631:        if (MDOC_BODY != node->type)
                   1632:                return;
                   1633:        term_flushln(p);
                   1634: }
                   1635:
                   1636:
                   1637: /* ARGSUSED */
                   1638: static int
                   1639: termp_qq_pre(DECL_ARGS)
                   1640: {
                   1641:
                   1642:        if (MDOC_BODY != node->type)
                   1643:                return(1);
                   1644:        term_word(p, "\"");
                   1645:        p->flags |= TERMP_NOSPACE;
                   1646:        return(1);
                   1647: }
                   1648:
                   1649:
                   1650: /* ARGSUSED */
                   1651: static void
                   1652: termp_qq_post(DECL_ARGS)
                   1653: {
                   1654:
                   1655:        if (MDOC_BODY != node->type)
                   1656:                return;
                   1657:        p->flags |= TERMP_NOSPACE;
                   1658:        term_word(p, "\"");
                   1659: }
                   1660:
                   1661:
                   1662: /* ARGSUSED */
                   1663: static void
                   1664: termp_bx_post(DECL_ARGS)
                   1665: {
                   1666:
                   1667:        if (node->child)
                   1668:                p->flags |= TERMP_NOSPACE;
                   1669:        term_word(p, "BSD");
                   1670: }
                   1671:
                   1672:
                   1673: /* ARGSUSED */
                   1674: static int
1.26      kristaps 1675: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1676: {
1.26      kristaps 1677:        const char      *pp;
1.1       kristaps 1678:
1.26      kristaps 1679:        pp = NULL;
                   1680:        switch (node->tok) {
                   1681:        case (MDOC_Bsx):
                   1682:                pp = "BSDI BSD/OS";
                   1683:                break;
                   1684:        case (MDOC_Dx):
                   1685:                pp = "DragonFlyBSD";
                   1686:                break;
                   1687:        case (MDOC_Fx):
                   1688:                pp = "FreeBSD";
                   1689:                break;
                   1690:        case (MDOC_Nx):
                   1691:                pp = "NetBSD";
                   1692:                break;
                   1693:        case (MDOC_Ox):
                   1694:                pp = "OpenBSD";
                   1695:                break;
                   1696:        case (MDOC_Ux):
                   1697:                pp = "UNIX";
                   1698:                break;
                   1699:        default:
                   1700:                break;
                   1701:        }
1.1       kristaps 1702:
1.26      kristaps 1703:        assert(pp);
                   1704:        term_word(p, pp);
1.1       kristaps 1705:        return(1);
                   1706: }
                   1707:
                   1708:
                   1709: /* ARGSUSED */
                   1710: static int
                   1711: termp_sq_pre(DECL_ARGS)
                   1712: {
                   1713:
                   1714:        if (MDOC_BODY != node->type)
                   1715:                return(1);
                   1716:        term_word(p, "\\(oq");
                   1717:        p->flags |= TERMP_NOSPACE;
                   1718:        return(1);
                   1719: }
                   1720:
                   1721:
                   1722: /* ARGSUSED */
                   1723: static void
                   1724: termp_sq_post(DECL_ARGS)
                   1725: {
                   1726:
                   1727:        if (MDOC_BODY != node->type)
                   1728:                return;
                   1729:        p->flags |= TERMP_NOSPACE;
                   1730:        term_word(p, "\\(aq");
                   1731: }
                   1732:
                   1733:
                   1734: /* ARGSUSED */
                   1735: static int
                   1736: termp_pf_pre(DECL_ARGS)
                   1737: {
                   1738:
                   1739:        p->flags |= TERMP_IGNDELIM;
                   1740:        return(1);
                   1741: }
                   1742:
                   1743:
                   1744: /* ARGSUSED */
                   1745: static void
                   1746: termp_pf_post(DECL_ARGS)
                   1747: {
                   1748:
                   1749:        p->flags &= ~TERMP_IGNDELIM;
                   1750:        p->flags |= TERMP_NOSPACE;
                   1751: }
                   1752:
                   1753:
                   1754: /* ARGSUSED */
                   1755: static int
                   1756: termp_ss_pre(DECL_ARGS)
                   1757: {
                   1758:
                   1759:        switch (node->type) {
                   1760:        case (MDOC_BLOCK):
                   1761:                term_newln(p);
                   1762:                if (node->prev)
                   1763:                        term_vspace(p);
                   1764:                break;
                   1765:        case (MDOC_HEAD):
1.28      kristaps 1766:                pair->flag |= ttypes[TTYPE_SSECTION];
1.5       kristaps 1767:                p->offset = HALFINDENT;
1.1       kristaps 1768:                break;
                   1769:        default:
                   1770:                break;
                   1771:        }
                   1772:
                   1773:        return(1);
                   1774: }
                   1775:
                   1776:
                   1777: /* ARGSUSED */
                   1778: static void
                   1779: termp_ss_post(DECL_ARGS)
                   1780: {
                   1781:
1.29      kristaps 1782:        if (MDOC_HEAD == node->type)
1.1       kristaps 1783:                term_newln(p);
                   1784: }
                   1785:
                   1786:
                   1787: /* ARGSUSED */
                   1788: static int
                   1789: termp_em_pre(DECL_ARGS)
                   1790: {
                   1791:
1.28      kristaps 1792:        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 1793:        return(1);
                   1794: }
                   1795:
                   1796:
                   1797: /* ARGSUSED */
                   1798: static int
                   1799: termp_cd_pre(DECL_ARGS)
                   1800: {
                   1801:
1.28      kristaps 1802:        pair->flag |= ttypes[TTYPE_CONFIG];
1.1       kristaps 1803:        term_newln(p);
                   1804:        return(1);
                   1805: }
                   1806:
                   1807:
                   1808: /* ARGSUSED */
                   1809: static int
                   1810: termp_cm_pre(DECL_ARGS)
                   1811: {
                   1812:
1.28      kristaps 1813:        pair->flag |= ttypes[TTYPE_CMD_FLAG];
1.1       kristaps 1814:        return(1);
                   1815: }
                   1816:
                   1817:
                   1818: /* ARGSUSED */
                   1819: static int
                   1820: termp_ic_pre(DECL_ARGS)
                   1821: {
                   1822:
1.28      kristaps 1823:        pair->flag |= ttypes[TTYPE_CMD];
1.1       kristaps 1824:        return(1);
                   1825: }
                   1826:
                   1827:
                   1828: /* ARGSUSED */
                   1829: static int
                   1830: termp_in_pre(DECL_ARGS)
                   1831: {
                   1832:
1.28      kristaps 1833:        pair->flag |= ttypes[TTYPE_INCLUDE];
                   1834:        p->flags |= ttypes[TTYPE_INCLUDE];
1.22      kristaps 1835:
                   1836:        if (SEC_SYNOPSIS == node->sec)
                   1837:                term_word(p, "#include");
                   1838:
1.1       kristaps 1839:        term_word(p, "<");
                   1840:        p->flags |= TERMP_NOSPACE;
                   1841:        return(1);
                   1842: }
                   1843:
                   1844:
                   1845: /* ARGSUSED */
                   1846: static void
                   1847: termp_in_post(DECL_ARGS)
                   1848: {
                   1849:
1.46      kristaps 1850:        p->flags |= TERMP_NOSPACE | ttypes[TTYPE_INCLUDE];
1.1       kristaps 1851:        term_word(p, ">");
1.46      kristaps 1852:        p->flags &= ~ttypes[TTYPE_INCLUDE];
1.1       kristaps 1853:
                   1854:        if (SEC_SYNOPSIS != node->sec)
                   1855:                return;
1.22      kristaps 1856:
                   1857:        term_newln(p);
                   1858:        /*
                   1859:         * XXX Not entirely correct.  If `.In foo bar' is specified in
                   1860:         * the SYNOPSIS section, then it produces a single break after
                   1861:         * the <foo>; mandoc asserts a vertical space.  Since this
                   1862:         * construction is rarely used, I think it's fine.
                   1863:         */
1.1       kristaps 1864:        if (node->next && MDOC_In != node->next->tok)
                   1865:                term_vspace(p);
                   1866: }
                   1867:
                   1868:
                   1869: /* ARGSUSED */
                   1870: static int
1.45      kristaps 1871: termp_sp_pre(DECL_ARGS)
                   1872: {
                   1873:        int              i, len;
                   1874:
                   1875:        if (NULL == node->child) {
                   1876:                term_vspace(p);
                   1877:                return(0);
                   1878:        }
                   1879:
                   1880:        len = atoi(node->child->string);
                   1881:        if (0 == len)
                   1882:                term_newln(p);
                   1883:        for (i = 0; i < len; i++)
                   1884:                term_vspace(p);
                   1885:
                   1886:        return(0);
                   1887: }
                   1888:
                   1889:
                   1890: /* ARGSUSED */
                   1891: static int
1.44      kristaps 1892: termp_br_pre(DECL_ARGS)
                   1893: {
                   1894:
                   1895:        term_newln(p);
                   1896:        return(1);
                   1897: }
                   1898:
                   1899:
                   1900: /* ARGSUSED */
                   1901: static int
1.1       kristaps 1902: termp_brq_pre(DECL_ARGS)
                   1903: {
                   1904:
                   1905:        if (MDOC_BODY != node->type)
                   1906:                return(1);
                   1907:        term_word(p, "\\(lC");
                   1908:        p->flags |= TERMP_NOSPACE;
                   1909:        return(1);
                   1910: }
                   1911:
                   1912:
                   1913: /* ARGSUSED */
                   1914: static void
                   1915: termp_brq_post(DECL_ARGS)
                   1916: {
                   1917:
                   1918:        if (MDOC_BODY != node->type)
                   1919:                return;
                   1920:        p->flags |= TERMP_NOSPACE;
                   1921:        term_word(p, "\\(rC");
                   1922: }
                   1923:
                   1924:
                   1925: /* ARGSUSED */
                   1926: static int
                   1927: termp_bq_pre(DECL_ARGS)
                   1928: {
                   1929:
                   1930:        if (MDOC_BODY != node->type)
                   1931:                return(1);
                   1932:        term_word(p, "\\(lB");
                   1933:        p->flags |= TERMP_NOSPACE;
                   1934:        return(1);
                   1935: }
                   1936:
                   1937:
                   1938: /* ARGSUSED */
                   1939: static void
                   1940: termp_bq_post(DECL_ARGS)
                   1941: {
                   1942:
                   1943:        if (MDOC_BODY != node->type)
                   1944:                return;
                   1945:        p->flags |= TERMP_NOSPACE;
                   1946:        term_word(p, "\\(rB");
                   1947: }
                   1948:
                   1949:
                   1950: /* ARGSUSED */
                   1951: static int
                   1952: termp_pq_pre(DECL_ARGS)
                   1953: {
                   1954:
                   1955:        if (MDOC_BODY != node->type)
                   1956:                return(1);
                   1957:        term_word(p, "\\&(");
                   1958:        p->flags |= TERMP_NOSPACE;
                   1959:        return(1);
                   1960: }
                   1961:
                   1962:
                   1963: /* ARGSUSED */
                   1964: static void
                   1965: termp_pq_post(DECL_ARGS)
                   1966: {
                   1967:
                   1968:        if (MDOC_BODY != node->type)
                   1969:                return;
                   1970:        term_word(p, ")");
                   1971: }
                   1972:
                   1973:
                   1974: /* ARGSUSED */
                   1975: static int
                   1976: termp_fo_pre(DECL_ARGS)
                   1977: {
                   1978:        const struct mdoc_node *n;
                   1979:
                   1980:        if (MDOC_BODY == node->type) {
1.33      kristaps 1981:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1982:                term_word(p, "(");
                   1983:                p->flags |= TERMP_NOSPACE;
                   1984:                return(1);
                   1985:        } else if (MDOC_HEAD != node->type)
                   1986:                return(1);
                   1987:
                   1988:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1989:        for (n = node->child; n; n = n->next) {
1.11      kristaps 1990:                assert(MDOC_TEXT == n->type);
1.1       kristaps 1991:                term_word(p, n->string);
                   1992:        }
                   1993:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1994:
                   1995:        return(0);
                   1996: }
                   1997:
                   1998:
                   1999: /* ARGSUSED */
                   2000: static void
                   2001: termp_fo_post(DECL_ARGS)
                   2002: {
                   2003:
                   2004:        if (MDOC_BODY != node->type)
                   2005:                return;
                   2006:        p->flags |= TERMP_NOSPACE;
                   2007:        term_word(p, ")");
                   2008:        p->flags |= TERMP_NOSPACE;
                   2009:        term_word(p, ";");
                   2010:        term_newln(p);
                   2011: }
                   2012:
                   2013:
                   2014: /* ARGSUSED */
                   2015: static int
                   2016: termp_bf_pre(DECL_ARGS)
                   2017: {
                   2018:        const struct mdoc_node  *n;
                   2019:
1.28      kristaps 2020:        if (MDOC_HEAD == node->type)
1.1       kristaps 2021:                return(0);
1.28      kristaps 2022:        else if (MDOC_BLOCK != node->type)
1.1       kristaps 2023:                return(1);
                   2024:
                   2025:        if (NULL == (n = node->head->child)) {
                   2026:                if (arg_hasattr(MDOC_Emphasis, node))
1.28      kristaps 2027:                        pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2028:                else if (arg_hasattr(MDOC_Symbolic, node))
1.28      kristaps 2029:                        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2030:
                   2031:                return(1);
                   2032:        }
                   2033:
1.11      kristaps 2034:        assert(MDOC_TEXT == n->type);
1.1       kristaps 2035:        if (0 == strcmp("Em", n->string))
1.28      kristaps 2036:                pair->flag |= ttypes[TTYPE_EMPH];
1.1       kristaps 2037:        else if (0 == strcmp("Sy", n->string))
1.28      kristaps 2038:                pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2039:
                   2040:        return(1);
                   2041: }
                   2042:
                   2043:
                   2044: /* ARGSUSED */
                   2045: static int
                   2046: termp_sy_pre(DECL_ARGS)
                   2047: {
                   2048:
1.28      kristaps 2049:        pair->flag |= ttypes[TTYPE_SYMB];
1.1       kristaps 2050:        return(1);
                   2051: }
                   2052:
                   2053:
                   2054: /* ARGSUSED */
                   2055: static int
                   2056: termp_ms_pre(DECL_ARGS)
                   2057: {
                   2058:
1.28      kristaps 2059:        pair->flag |= ttypes[TTYPE_SYMBOL];
1.1       kristaps 2060:        return(1);
                   2061: }
                   2062:
                   2063:
                   2064:
                   2065: /* ARGSUSED */
                   2066: static int
                   2067: termp_sm_pre(DECL_ARGS)
                   2068: {
                   2069:
1.11      kristaps 2070:        assert(node->child && MDOC_TEXT == node->child->type);
1.1       kristaps 2071:        if (0 == strcmp("on", node->child->string)) {
                   2072:                p->flags &= ~TERMP_NONOSPACE;
                   2073:                p->flags &= ~TERMP_NOSPACE;
                   2074:        } else
                   2075:                p->flags |= TERMP_NONOSPACE;
                   2076:
                   2077:        return(0);
                   2078: }
                   2079:
                   2080:
                   2081: /* ARGSUSED */
                   2082: static int
                   2083: termp_ap_pre(DECL_ARGS)
                   2084: {
                   2085:
                   2086:        p->flags |= TERMP_NOSPACE;
                   2087:        term_word(p, "\\(aq");
                   2088:        p->flags |= TERMP_NOSPACE;
                   2089:        return(1);
                   2090: }
                   2091:
                   2092:
                   2093: /* ARGSUSED */
                   2094: static int
                   2095: termp__j_pre(DECL_ARGS)
                   2096: {
                   2097:
1.28      kristaps 2098:        pair->flag |= ttypes[TTYPE_REF_JOURNAL];
1.1       kristaps 2099:        return(1);
                   2100: }
                   2101:
                   2102:
                   2103: /* ARGSUSED */
                   2104: static int
                   2105: termp__t_pre(DECL_ARGS)
                   2106: {
                   2107:
                   2108:        term_word(p, "\"");
                   2109:        p->flags |= TERMP_NOSPACE;
                   2110:        return(1);
                   2111: }
                   2112:
                   2113:
                   2114: /* ARGSUSED */
                   2115: static void
                   2116: termp__t_post(DECL_ARGS)
                   2117: {
                   2118:
                   2119:        p->flags |= TERMP_NOSPACE;
                   2120:        term_word(p, "\"");
                   2121:        termp____post(p, pair, meta, node);
                   2122: }
                   2123:
                   2124:
                   2125: /* ARGSUSED */
                   2126: static void
                   2127: termp____post(DECL_ARGS)
                   2128: {
                   2129:
                   2130:        p->flags |= TERMP_NOSPACE;
                   2131:        term_word(p, node->next ? "," : ".");
                   2132: }
                   2133:
                   2134:
                   2135: /* ARGSUSED */
                   2136: static int
                   2137: termp_lk_pre(DECL_ARGS)
                   2138: {
                   2139:        const struct mdoc_node *n;
                   2140:
1.11      kristaps 2141:        assert(node->child);
                   2142:        n = node->child;
1.1       kristaps 2143:
1.12      kristaps 2144:        if (NULL == n->next) {
1.28      kristaps 2145:                pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.12      kristaps 2146:                return(1);
                   2147:        }
                   2148:
1.1       kristaps 2149:        p->flags |= ttypes[TTYPE_LINK_ANCHOR];
                   2150:        term_word(p, n->string);
                   2151:        p->flags |= TERMP_NOSPACE;
                   2152:        term_word(p, ":");
1.12      kristaps 2153:        p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2154:
                   2155:        p->flags |= ttypes[TTYPE_LINK_TEXT];
1.12      kristaps 2156:        for (n = n->next; n; n = n->next)
1.1       kristaps 2157:                term_word(p, n->string);
1.12      kristaps 2158:
1.1       kristaps 2159:        p->flags &= ~ttypes[TTYPE_LINK_TEXT];
                   2160:        return(0);
                   2161: }
                   2162:
                   2163:
                   2164: /* ARGSUSED */
                   2165: static int
                   2166: termp_mt_pre(DECL_ARGS)
                   2167: {
                   2168:
1.28      kristaps 2169:        pair->flag |= ttypes[TTYPE_LINK_ANCHOR];
1.1       kristaps 2170:        return(1);
                   2171: }
                   2172:
                   2173:

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