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Annotation of mandoc/mdoc_man.c, Revision 1.101

1.101   ! schwarze    1: /*     $Id: mdoc_man.c,v 1.100 2017/01/10 23:36:34 schwarze Exp $ */
1.1       schwarze    2: /*
1.97      schwarze    3:  * Copyright (c) 2011-2017 Ingo Schwarze <schwarze@openbsd.org>
1.1       schwarze    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      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.
                     16:  */
1.7       kristaps   17: #include "config.h"
1.69      schwarze   18:
                     19: #include <sys/types.h>
1.7       kristaps   20:
1.12      schwarze   21: #include <assert.h>
1.1       schwarze   22: #include <stdio.h>
                     23: #include <string.h>
                     24:
1.89      schwarze   25: #include "mandoc_aux.h"
1.1       schwarze   26: #include "mandoc.h"
1.89      schwarze   27: #include "roff.h"
                     28: #include "mdoc.h"
                     29: #include "man.h"
1.11      schwarze   30: #include "out.h"
1.1       schwarze   31: #include "main.h"
                     32:
1.91      schwarze   33: #define        DECL_ARGS const struct roff_meta *meta, struct roff_node *n
1.1       schwarze   34:
                     35: struct manact {
1.5       kristaps   36:        int             (*cond)(DECL_ARGS); /* DON'T run actions */
                     37:        int             (*pre)(DECL_ARGS); /* pre-node action */
                     38:        void            (*post)(DECL_ARGS); /* post-node action */
                     39:        const char       *prefix; /* pre-node string constant */
                     40:        const char       *suffix; /* post-node string constant */
1.1       schwarze   41: };
                     42:
1.5       kristaps   43: static int       cond_body(DECL_ARGS);
1.1       schwarze   44: static int       cond_head(DECL_ARGS);
1.26      schwarze   45: static  void     font_push(char);
                     46: static void      font_pop(void);
1.47      schwarze   47: static void      mid_it(void);
1.34      schwarze   48: static void      post__t(DECL_ARGS);
1.74      schwarze   49: static void      post_aq(DECL_ARGS);
1.5       kristaps   50: static void      post_bd(DECL_ARGS);
1.27      schwarze   51: static void      post_bf(DECL_ARGS);
1.13      schwarze   52: static void      post_bk(DECL_ARGS);
1.30      schwarze   53: static void      post_bl(DECL_ARGS);
1.5       kristaps   54: static void      post_dl(DECL_ARGS);
1.64      schwarze   55: static void      post_en(DECL_ARGS);
1.1       schwarze   56: static void      post_enc(DECL_ARGS);
1.28      schwarze   57: static void      post_eo(DECL_ARGS);
1.17      schwarze   58: static void      post_fa(DECL_ARGS);
1.29      schwarze   59: static void      post_fd(DECL_ARGS);
1.26      schwarze   60: static void      post_fl(DECL_ARGS);
1.16      schwarze   61: static void      post_fn(DECL_ARGS);
1.17      schwarze   62: static void      post_fo(DECL_ARGS);
1.26      schwarze   63: static void      post_font(DECL_ARGS);
1.15      schwarze   64: static void      post_in(DECL_ARGS);
1.30      schwarze   65: static void      post_it(DECL_ARGS);
1.14      schwarze   66: static void      post_lb(DECL_ARGS);
1.5       kristaps   67: static void      post_nm(DECL_ARGS);
1.1       schwarze   68: static void      post_percent(DECL_ARGS);
1.5       kristaps   69: static void      post_pf(DECL_ARGS);
1.3       schwarze   70: static void      post_sect(DECL_ARGS);
1.5       kristaps   71: static void      post_sp(DECL_ARGS);
1.18      schwarze   72: static void      post_vt(DECL_ARGS);
1.34      schwarze   73: static int       pre__t(DECL_ARGS);
1.22      schwarze   74: static int       pre_an(DECL_ARGS);
1.3       schwarze   75: static int       pre_ap(DECL_ARGS);
1.74      schwarze   76: static int       pre_aq(DECL_ARGS);
1.3       schwarze   77: static int       pre_bd(DECL_ARGS);
1.27      schwarze   78: static int       pre_bf(DECL_ARGS);
1.13      schwarze   79: static int       pre_bk(DECL_ARGS);
1.30      schwarze   80: static int       pre_bl(DECL_ARGS);
1.3       schwarze   81: static int       pre_br(DECL_ARGS);
1.1       schwarze   82: static int       pre_dl(DECL_ARGS);
1.64      schwarze   83: static int       pre_en(DECL_ARGS);
1.5       kristaps   84: static int       pre_enc(DECL_ARGS);
1.26      schwarze   85: static int       pre_em(DECL_ARGS);
1.75      schwarze   86: static int       pre_skip(DECL_ARGS);
1.76      schwarze   87: static int       pre_eo(DECL_ARGS);
1.67      schwarze   88: static int       pre_ex(DECL_ARGS);
1.17      schwarze   89: static int       pre_fa(DECL_ARGS);
1.29      schwarze   90: static int       pre_fd(DECL_ARGS);
1.26      schwarze   91: static int       pre_fl(DECL_ARGS);
1.16      schwarze   92: static int       pre_fn(DECL_ARGS);
1.17      schwarze   93: static int       pre_fo(DECL_ARGS);
1.23      schwarze   94: static int       pre_ft(DECL_ARGS);
1.15      schwarze   95: static int       pre_in(DECL_ARGS);
1.1       schwarze   96: static int       pre_it(DECL_ARGS);
1.24      schwarze   97: static int       pre_lk(DECL_ARGS);
1.26      schwarze   98: static int       pre_li(DECL_ARGS);
1.60      schwarze   99: static int       pre_ll(DECL_ARGS);
1.1       schwarze  100: static int       pre_nm(DECL_ARGS);
1.25      schwarze  101: static int       pre_no(DECL_ARGS);
1.1       schwarze  102: static int       pre_ns(DECL_ARGS);
                    103: static int       pre_pp(DECL_ARGS);
1.34      schwarze  104: static int       pre_rs(DECL_ARGS);
1.12      schwarze  105: static int       pre_sm(DECL_ARGS);
1.3       schwarze  106: static int       pre_sp(DECL_ARGS);
1.5       kristaps  107: static int       pre_sect(DECL_ARGS);
1.26      schwarze  108: static int       pre_sy(DECL_ARGS);
1.90      schwarze  109: static void      pre_syn(const struct roff_node *);
1.18      schwarze  110: static int       pre_vt(DECL_ARGS);
1.1       schwarze  111: static int       pre_xr(DECL_ARGS);
1.20      schwarze  112: static void      print_word(const char *);
1.36      schwarze  113: static void      print_line(const char *, int);
                    114: static void      print_block(const char *, int);
1.71      schwarze  115: static void      print_offs(const char *, int);
1.81      schwarze  116: static void      print_width(const struct mdoc_bl *,
1.90      schwarze  117:                        const struct roff_node *);
1.30      schwarze  118: static void      print_count(int *);
1.5       kristaps  119: static void      print_node(DECL_ARGS);
1.1       schwarze  120:
1.3       schwarze  121: static const struct manact manacts[MDOC_MAX + 1] = {
                    122:        { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
                    123:        { NULL, NULL, NULL, NULL, NULL }, /* Dd */
                    124:        { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8       schwarze  125:        { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3       schwarze  126:        { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
                    127:        { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1       schwarze  128:        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3       schwarze  129:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1       schwarze  130:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3       schwarze  131:        { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
                    132:        { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.30      schwarze  133:        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3       schwarze  134:        { NULL, NULL, NULL, NULL, NULL }, /* El */
1.30      schwarze  135:        { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.26      schwarze  136:        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.22      schwarze  137:        { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.26      schwarze  138:        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
                    139:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
                    140:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
                    141:        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
                    142:        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
                    143:        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.67      schwarze  144:        { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
1.17      schwarze  145:        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.29      schwarze  146:        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.26      schwarze  147:        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.16      schwarze  148:        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.26      schwarze  149:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
                    150:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.15      schwarze  151:        { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.26      schwarze  152:        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1       schwarze  153:        { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
                    154:        { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
                    155:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.64      schwarze  156:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ot */
1.26      schwarze  157:        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.101   ! schwarze  158:        { NULL, pre_ex, NULL, NULL, NULL }, /* Rv */
1.8       schwarze  159:        { NULL, NULL, NULL, NULL, NULL }, /* St */
1.26      schwarze  160:        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.18      schwarze  161:        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8       schwarze  162:        { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.34      schwarze  163:        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
                    164:        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
                    165:        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
                    166:        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
                    167:        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
                    168:        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
                    169:        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
                    170:        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
                    171:        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
                    172:        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
                    173:        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.9       schwarze  174:        { NULL, NULL, NULL, NULL, NULL }, /* Ac */
1.74      schwarze  175:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */
                    176:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
1.8       schwarze  177:        { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3       schwarze  178:        { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.27      schwarze  179:        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3       schwarze  180:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
                    181:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.99      schwarze  182:        { NULL, NULL, NULL, NULL, NULL }, /* Bsx */
1.100     schwarze  183:        { NULL, NULL, NULL, NULL, NULL }, /* Bx */
1.75      schwarze  184:        { NULL, pre_skip, NULL, NULL, NULL }, /* Db */
1.9       schwarze  185:        { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.88      schwarze  186:        { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Do */
                    187:        { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Dq */
1.28      schwarze  188:        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
                    189:        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.26      schwarze  190:        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.76      schwarze  191:        { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
1.99      schwarze  192:        { NULL, NULL, NULL, NULL, NULL }, /* Fx */
1.26      schwarze  193:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.25      schwarze  194:        { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1       schwarze  195:        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.99      schwarze  196:        { NULL, NULL, NULL, NULL, NULL }, /* Nx */
                    197:        { NULL, NULL, NULL, NULL, NULL }, /* Ox */
1.3       schwarze  198:        { NULL, NULL, NULL, NULL, NULL }, /* Pc */
                    199:        { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
                    200:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
                    201:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9       schwarze  202:        { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.51      schwarze  203:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.9       schwarze  204:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
                    205:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
                    206:        { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.34      schwarze  207:        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.9       schwarze  208:        { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.51      schwarze  209:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
                    210:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.12      schwarze  211:        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.26      schwarze  212:        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
                    213:        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
                    214:        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.99      schwarze  215:        { NULL, NULL, NULL, NULL, NULL }, /* Ux */
1.34      schwarze  216:        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
                    217:        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.17      schwarze  218:        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
                    219:        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3       schwarze  220:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9       schwarze  221:        { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13      schwarze  222:        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
                    223:        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.101   ! schwarze  224:        { NULL, NULL, NULL, NULL, NULL }, /* Bt */
1.8       schwarze  225:        { NULL, NULL, NULL, NULL, NULL }, /* Hf */
1.64      schwarze  226:        { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
1.101   ! schwarze  227:        { NULL, NULL, NULL, NULL, NULL }, /* Ud */
1.14      schwarze  228:        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3       schwarze  229:        { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.24      schwarze  230:        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.26      schwarze  231:        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.9       schwarze  232:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
                    233:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
                    234:        { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.34      schwarze  235:        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.75      schwarze  236:        { NULL, pre_skip, NULL, NULL, NULL }, /* Es */
1.64      schwarze  237:        { cond_body, pre_en, post_en, NULL, NULL }, /* En */
1.99      schwarze  238:        { NULL, NULL, NULL, NULL, NULL }, /* Dx */
1.34      schwarze  239:        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3       schwarze  240:        { NULL, pre_br, NULL, NULL, NULL }, /* br */
                    241:        { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.34      schwarze  242:        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
                    243:        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.60      schwarze  244:        { NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
1.3       schwarze  245:        { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1       schwarze  246: };
                    247:
1.20      schwarze  248: static int             outflags;
1.36      schwarze  249: #define        MMAN_spc        (1 << 0)  /* blank character before next word */
                    250: #define        MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
                    251: #define        MMAN_nl         (1 << 2)  /* break man(7) code line */
                    252: #define        MMAN_br         (1 << 3)  /* break output line */
                    253: #define        MMAN_sp         (1 << 4)  /* insert a blank output line */
                    254: #define        MMAN_PP         (1 << 5)  /* reset indentation etc. */
                    255: #define        MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
                    256: #define        MMAN_Bk         (1 << 7)  /* word keep mode */
1.46      schwarze  257: #define        MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
                    258: #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
                    259: #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
                    260: #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
1.56      schwarze  261: #define        MMAN_nbrword    (1 << 12) /* do not break the next word */
1.20      schwarze  262:
1.43      schwarze  263: #define        BL_STACK_MAX    32
                    264:
1.81      schwarze  265: static int             Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
1.43      schwarze  266: static int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
                    267: static int             Bl_stack_len;  /* number of nested Bl blocks */
1.37      schwarze  268: static int             TPremain;  /* characters before tag is full */
                    269:
1.26      schwarze  270: static struct {
                    271:        char    *head;
                    272:        char    *tail;
                    273:        size_t   size;
                    274: }      fontqueue;
                    275:
1.62      schwarze  276:
1.26      schwarze  277: static void
                    278: font_push(char newfont)
                    279: {
                    280:
                    281:        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
                    282:                fontqueue.size += 8;
                    283:                fontqueue.head = mandoc_realloc(fontqueue.head,
1.62      schwarze  284:                    fontqueue.size);
1.26      schwarze  285:        }
                    286:        *fontqueue.tail = newfont;
1.37      schwarze  287:        print_word("");
                    288:        printf("\\f");
1.26      schwarze  289:        putchar(newfont);
                    290:        outflags &= ~MMAN_spc;
                    291: }
                    292:
                    293: static void
                    294: font_pop(void)
                    295: {
                    296:
                    297:        if (fontqueue.tail > fontqueue.head)
                    298:                fontqueue.tail--;
                    299:        outflags &= ~MMAN_spc;
1.37      schwarze  300:        print_word("");
                    301:        printf("\\f");
1.26      schwarze  302:        putchar(*fontqueue.tail);
                    303: }
                    304:
1.1       schwarze  305: static void
1.20      schwarze  306: print_word(const char *s)
1.1       schwarze  307: {
1.5       kristaps  308:
1.36      schwarze  309:        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.62      schwarze  310:                /*
1.5       kristaps  311:                 * If we need a newline, print it now and start afresh.
                    312:                 */
1.36      schwarze  313:                if (MMAN_PP & outflags) {
1.44      schwarze  314:                        if (MMAN_sp & outflags) {
                    315:                                if (MMAN_PD & outflags) {
                    316:                                        printf("\n.PD");
                    317:                                        outflags &= ~MMAN_PD;
                    318:                                }
                    319:                        } else if ( ! (MMAN_PD & outflags)) {
                    320:                                printf("\n.PD 0");
                    321:                                outflags |= MMAN_PD;
                    322:                        }
1.36      schwarze  323:                        printf("\n.PP\n");
                    324:                } else if (MMAN_sp & outflags)
1.21      schwarze  325:                        printf("\n.sp\n");
                    326:                else if (MMAN_br & outflags)
                    327:                        printf("\n.br\n");
                    328:                else if (MMAN_nl & outflags)
                    329:                        putchar('\n');
1.36      schwarze  330:                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.37      schwarze  331:                if (1 == TPremain)
                    332:                        printf(".br\n");
                    333:                TPremain = 0;
                    334:        } else if (MMAN_spc & outflags) {
1.5       kristaps  335:                /*
1.25      schwarze  336:                 * If we need a space, only print it if
                    337:                 * (1) it is forced by `No' or
                    338:                 * (2) what follows is not terminating punctuation or
                    339:                 * (3) what follows is longer than one character.
1.5       kristaps  340:                 */
1.37      schwarze  341:                if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.25      schwarze  342:                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.46      schwarze  343:                        if (MMAN_Bk & outflags &&
                    344:                            ! (MMAN_Bk_susp & outflags))
1.13      schwarze  345:                                putchar('\\');
1.45      schwarze  346:                        putchar(' ');
1.37      schwarze  347:                        if (TPremain)
                    348:                                TPremain--;
1.13      schwarze  349:                }
1.37      schwarze  350:        }
1.5       kristaps  351:
                    352:        /*
                    353:         * Reassign needing space if we're not following opening
                    354:         * punctuation.
                    355:         */
1.37      schwarze  356:        if (MMAN_Sm & outflags && ('\0' == s[0] ||
                    357:            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.20      schwarze  358:                outflags |= MMAN_spc;
                    359:        else
                    360:                outflags &= ~MMAN_spc;
1.46      schwarze  361:        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.5       kristaps  362:
1.1       schwarze  363:        for ( ; *s; s++) {
                    364:                switch (*s) {
1.62      schwarze  365:                case ASCII_NBRSP:
1.45      schwarze  366:                        printf("\\ ");
1.1       schwarze  367:                        break;
1.62      schwarze  368:                case ASCII_HYPH:
1.1       schwarze  369:                        putchar('-');
1.58      schwarze  370:                        break;
1.62      schwarze  371:                case ASCII_BREAK:
1.58      schwarze  372:                        printf("\\:");
1.1       schwarze  373:                        break;
1.62      schwarze  374:                case ' ':
1.56      schwarze  375:                        if (MMAN_nbrword & outflags) {
                    376:                                printf("\\ ");
                    377:                                break;
                    378:                        }
                    379:                        /* FALLTHROUGH */
1.1       schwarze  380:                default:
1.5       kristaps  381:                        putchar((unsigned char)*s);
1.1       schwarze  382:                        break;
                    383:                }
1.37      schwarze  384:                if (TPremain)
                    385:                        TPremain--;
1.1       schwarze  386:        }
1.56      schwarze  387:        outflags &= ~MMAN_nbrword;
1.4       kristaps  388: }
                    389:
1.11      schwarze  390: static void
1.36      schwarze  391: print_line(const char *s, int newflags)
                    392: {
                    393:
                    394:        outflags &= ~MMAN_br;
                    395:        outflags |= MMAN_nl;
                    396:        print_word(s);
                    397:        outflags |= newflags;
                    398: }
                    399:
                    400: static void
                    401: print_block(const char *s, int newflags)
                    402: {
                    403:
                    404:        outflags &= ~MMAN_PP;
1.44      schwarze  405:        if (MMAN_sp & outflags) {
1.36      schwarze  406:                outflags &= ~(MMAN_sp | MMAN_br);
1.44      schwarze  407:                if (MMAN_PD & outflags) {
                    408:                        print_line(".PD", 0);
                    409:                        outflags &= ~MMAN_PD;
                    410:                }
1.46      schwarze  411:        } else if (! (MMAN_PD & outflags))
                    412:                print_line(".PD 0", MMAN_PD);
1.36      schwarze  413:        outflags |= MMAN_nl;
                    414:        print_word(s);
1.46      schwarze  415:        outflags |= MMAN_Bk_susp | newflags;
1.36      schwarze  416: }
                    417:
                    418: static void
1.71      schwarze  419: print_offs(const char *v, int keywords)
1.11      schwarze  420: {
                    421:        char              buf[24];
                    422:        struct roffsu     su;
1.81      schwarze  423:        int               sz;
1.11      schwarze  424:
1.48      schwarze  425:        print_line(".RS", MMAN_Bk_susp);
                    426:
1.43      schwarze  427:        /* Convert v into a number (of characters). */
1.71      schwarze  428:        if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
1.11      schwarze  429:                sz = 0;
1.71      schwarze  430:        else if (keywords && !strcmp(v, "indent"))
1.11      schwarze  431:                sz = 6;
1.71      schwarze  432:        else if (keywords && !strcmp(v, "indent-two"))
1.11      schwarze  433:                sz = 12;
1.79      schwarze  434:        else if (a2roffsu(v, &su, SCALE_EN) > 1) {
1.43      schwarze  435:                if (SCALE_EN == su.unit)
                    436:                        sz = su.scale;
                    437:                else {
                    438:                        /*
                    439:                         * XXX
                    440:                         * If we are inside an enclosing list,
                    441:                         * there is no easy way to add the two
                    442:                         * indentations because they are provided
                    443:                         * in terms of different units.
                    444:                         */
                    445:                        print_word(v);
1.48      schwarze  446:                        outflags |= MMAN_nl;
1.43      schwarze  447:                        return;
                    448:                }
1.11      schwarze  449:        } else
                    450:                sz = strlen(v);
                    451:
1.43      schwarze  452:        /*
                    453:         * We are inside an enclosing list.
                    454:         * Add the two indentations.
                    455:         */
                    456:        if (Bl_stack_len)
                    457:                sz += Bl_stack[Bl_stack_len - 1];
                    458:
1.81      schwarze  459:        (void)snprintf(buf, sizeof(buf), "%dn", sz);
1.20      schwarze  460:        print_word(buf);
1.48      schwarze  461:        outflags |= MMAN_nl;
1.11      schwarze  462: }
                    463:
1.47      schwarze  464: /*
                    465:  * Set up the indentation for a list item; used from pre_it().
                    466:  */
1.59      schwarze  467: static void
1.90      schwarze  468: print_width(const struct mdoc_bl *bl, const struct roff_node *child)
1.30      schwarze  469: {
                    470:        char              buf[24];
                    471:        struct roffsu     su;
1.81      schwarze  472:        int               numeric, remain, sz, chsz;
1.31      schwarze  473:
1.37      schwarze  474:        numeric = 1;
                    475:        remain = 0;
1.43      schwarze  476:
1.81      schwarze  477:        /* Convert the width into a number (of characters). */
                    478:        if (bl->width == NULL)
                    479:                sz = (bl->type == LIST_hang) ? 6 : 0;
                    480:        else if (a2roffsu(bl->width, &su, SCALE_MAX) > 1) {
1.30      schwarze  481:                if (SCALE_EN == su.unit)
                    482:                        sz = su.scale;
                    483:                else {
1.37      schwarze  484:                        sz = 0;
                    485:                        numeric = 0;
1.30      schwarze  486:                }
                    487:        } else
1.81      schwarze  488:                sz = strlen(bl->width);
1.30      schwarze  489:
1.37      schwarze  490:        /* XXX Rough estimation, might have multiple parts. */
1.81      schwarze  491:        if (bl->type == LIST_enum)
                    492:                chsz = (bl->count > 8) + 1;
1.89      schwarze  493:        else if (child != NULL && child->type == ROFFT_TEXT)
1.81      schwarze  494:                chsz = strlen(child->string);
                    495:        else
                    496:                chsz = 0;
1.37      schwarze  497:
1.47      schwarze  498:        /* Maybe we are inside an enclosing list? */
                    499:        mid_it();
1.43      schwarze  500:
                    501:        /*
                    502:         * Save our own indentation,
                    503:         * such that child lists can use it.
                    504:         */
                    505:        Bl_stack[Bl_stack_len++] = sz + 2;
                    506:
                    507:        /* Set up the current list. */
1.81      schwarze  508:        if (chsz > sz && bl->type != LIST_tag)
1.36      schwarze  509:                print_block(".HP", 0);
1.37      schwarze  510:        else {
1.36      schwarze  511:                print_block(".TP", 0);
1.37      schwarze  512:                remain = sz + 2;
                    513:        }
                    514:        if (numeric) {
1.81      schwarze  515:                (void)snprintf(buf, sizeof(buf), "%dn", sz + 2);
1.37      schwarze  516:                print_word(buf);
                    517:        } else
1.81      schwarze  518:                print_word(bl->width);
1.37      schwarze  519:        TPremain = remain;
1.30      schwarze  520: }
                    521:
1.59      schwarze  522: static void
1.30      schwarze  523: print_count(int *count)
                    524: {
1.63      schwarze  525:        char              buf[24];
1.30      schwarze  526:
1.81      schwarze  527:        (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count);
1.30      schwarze  528:        print_word(buf);
                    529: }
                    530:
                    531: void
1.92      schwarze  532: man_man(void *arg, const struct roff_man *man)
1.4       kristaps  533: {
                    534:
1.5       kristaps  535:        /*
                    536:         * Dump the keep buffer.
                    537:         * We're guaranteed by now that this exists (is non-NULL).
                    538:         * Flush stdout afterward, just in case.
                    539:         */
1.4       kristaps  540:        fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5       kristaps  541:        fflush(stdout);
1.1       schwarze  542: }
                    543:
                    544: void
1.92      schwarze  545: man_mdoc(void *arg, const struct roff_man *mdoc)
1.1       schwarze  546: {
1.90      schwarze  547:        struct roff_node *n;
1.1       schwarze  548:
1.45      schwarze  549:        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.93      schwarze  550:            mdoc->meta.title,
                    551:            (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
                    552:            mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);
1.1       schwarze  553:
1.45      schwarze  554:        /* Disable hyphenation and if nroff, disable justification. */
                    555:        printf(".nh\n.if n .ad l");
                    556:
1.20      schwarze  557:        outflags = MMAN_nl | MMAN_Sm;
1.26      schwarze  558:        if (0 == fontqueue.size) {
                    559:                fontqueue.size = 8;
                    560:                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
                    561:                *fontqueue.tail = 'R';
                    562:        }
1.93      schwarze  563:        for (n = mdoc->first->child; n != NULL; n = n->next)
                    564:                print_node(&mdoc->meta, n);
1.3       schwarze  565:        putchar('\n');
1.1       schwarze  566: }
                    567:
                    568: static void
                    569: print_node(DECL_ARGS)
                    570: {
1.5       kristaps  571:        const struct manact     *act;
1.90      schwarze  572:        struct roff_node        *sub;
1.1       schwarze  573:        int                      cond, do_sub;
1.97      schwarze  574:
                    575:        if (n->flags & NODE_NOPRT)
                    576:                return;
1.46      schwarze  577:
1.5       kristaps  578:        /*
                    579:         * Break the line if we were parsed subsequent the current node.
                    580:         * This makes the page structure be more consistent.
                    581:         */
1.98      schwarze  582:        if (MMAN_spc & outflags && NODE_LINE & n->flags)
1.20      schwarze  583:                outflags |= MMAN_nl;
1.1       schwarze  584:
1.5       kristaps  585:        act = NULL;
1.1       schwarze  586:        cond = 0;
                    587:        do_sub = 1;
1.98      schwarze  588:        n->flags &= ~NODE_ENDED;
1.5       kristaps  589:
1.89      schwarze  590:        if (n->type == ROFFT_TEXT) {
1.5       kristaps  591:                /*
                    592:                 * Make sure that we don't happen to start with a
                    593:                 * control character at the start of a line.
                    594:                 */
1.62      schwarze  595:                if (MMAN_nl & outflags &&
                    596:                    ('.' == *n->string || '\'' == *n->string)) {
1.37      schwarze  597:                        print_word("");
                    598:                        printf("\\&");
1.20      schwarze  599:                        outflags &= ~MMAN_spc;
1.3       schwarze  600:                }
1.101   ! schwarze  601:                if (n->flags & NODE_DELIMC)
        !           602:                        outflags &= ~(MMAN_spc | MMAN_spc_force);
        !           603:                else if (outflags & MMAN_Sm)
1.73      schwarze  604:                        outflags |= MMAN_spc_force;
1.20      schwarze  605:                print_word(n->string);
1.101   ! schwarze  606:                if (n->flags & NODE_DELIMO)
        !           607:                        outflags &= ~(MMAN_spc | MMAN_spc_force);
        !           608:                else if (outflags & MMAN_Sm)
1.73      schwarze  609:                        outflags |= MMAN_spc;
1.1       schwarze  610:        } else {
1.5       kristaps  611:                /*
                    612:                 * Conditionally run the pre-node action handler for a
                    613:                 * node.
                    614:                 */
1.1       schwarze  615:                act = manacts + n->tok;
1.76      schwarze  616:                cond = act->cond == NULL || (*act->cond)(meta, n);
1.96      schwarze  617:                if (cond && act->pre != NULL &&
                    618:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.42      schwarze  619:                        do_sub = (*act->pre)(meta, n);
1.1       schwarze  620:        }
                    621:
1.62      schwarze  622:        /*
1.5       kristaps  623:         * Conditionally run all child nodes.
                    624:         * Note that this iterates over children instead of using
                    625:         * recursion.  This prevents unnecessary depth in the stack.
                    626:         */
1.1       schwarze  627:        if (do_sub)
                    628:                for (sub = n->child; sub; sub = sub->next)
1.42      schwarze  629:                        print_node(meta, sub);
1.1       schwarze  630:
1.5       kristaps  631:        /*
                    632:         * Lastly, conditionally run the post-node handler.
                    633:         */
1.98      schwarze  634:        if (NODE_ENDED & n->flags)
1.61      schwarze  635:                return;
                    636:
1.1       schwarze  637:        if (cond && act->post)
1.42      schwarze  638:                (*act->post)(meta, n);
1.61      schwarze  639:
                    640:        if (ENDBODY_NOT != n->end)
1.98      schwarze  641:                n->body->flags |= NODE_ENDED;
1.61      schwarze  642:
                    643:        if (ENDBODY_NOSPACE == n->end)
                    644:                outflags &= ~(MMAN_spc | MMAN_nl);
1.1       schwarze  645: }
                    646:
                    647: static int
                    648: cond_head(DECL_ARGS)
                    649: {
1.5       kristaps  650:
1.94      schwarze  651:        return n->type == ROFFT_HEAD;
1.1       schwarze  652: }
                    653:
                    654: static int
                    655: cond_body(DECL_ARGS)
                    656: {
1.5       kristaps  657:
1.94      schwarze  658:        return n->type == ROFFT_BODY;
1.1       schwarze  659: }
                    660:
                    661: static int
                    662: pre_enc(DECL_ARGS)
                    663: {
1.5       kristaps  664:        const char      *prefix;
1.1       schwarze  665:
                    666:        prefix = manacts[n->tok].prefix;
                    667:        if (NULL == prefix)
1.94      schwarze  668:                return 1;
1.20      schwarze  669:        print_word(prefix);
                    670:        outflags &= ~MMAN_spc;
1.94      schwarze  671:        return 1;
1.1       schwarze  672: }
                    673:
                    674: static void
                    675: post_enc(DECL_ARGS)
                    676: {
                    677:        const char *suffix;
                    678:
                    679:        suffix = manacts[n->tok].suffix;
                    680:        if (NULL == suffix)
                    681:                return;
1.61      schwarze  682:        outflags &= ~(MMAN_spc | MMAN_nl);
1.20      schwarze  683:        print_word(suffix);
1.26      schwarze  684: }
                    685:
1.67      schwarze  686: static int
                    687: pre_ex(DECL_ARGS)
                    688: {
                    689:        outflags |= MMAN_br | MMAN_nl;
1.101   ! schwarze  690:        return 1;
1.67      schwarze  691: }
                    692:
1.26      schwarze  693: static void
                    694: post_font(DECL_ARGS)
                    695: {
                    696:
                    697:        font_pop();
1.1       schwarze  698: }
                    699:
                    700: static void
                    701: post_percent(DECL_ARGS)
                    702: {
                    703:
1.34      schwarze  704:        if (pre_em == manacts[n->tok].pre)
                    705:                font_pop();
                    706:        if (n->next) {
1.20      schwarze  707:                print_word(",");
1.34      schwarze  708:                if (n->prev &&  n->prev->tok == n->tok &&
                    709:                                n->next->tok == n->tok)
                    710:                        print_word("and");
                    711:        } else {
1.20      schwarze  712:                print_word(".");
                    713:                outflags |= MMAN_nl;
1.1       schwarze  714:        }
                    715: }
                    716:
1.34      schwarze  717: static int
                    718: pre__t(DECL_ARGS)
                    719: {
                    720:
1.62      schwarze  721:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    722:            n->parent->norm->Rs.quote_T) {
1.37      schwarze  723:                print_word("");
                    724:                putchar('\"');
1.34      schwarze  725:                outflags &= ~MMAN_spc;
                    726:        } else
                    727:                font_push('I');
1.94      schwarze  728:        return 1;
1.34      schwarze  729: }
                    730:
                    731: static void
                    732: post__t(DECL_ARGS)
                    733: {
                    734:
1.62      schwarze  735:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    736:            n->parent->norm->Rs.quote_T) {
1.34      schwarze  737:                outflags &= ~MMAN_spc;
1.37      schwarze  738:                print_word("");
                    739:                putchar('\"');
1.34      schwarze  740:        } else
                    741:                font_pop();
1.42      schwarze  742:        post_percent(meta, n);
1.34      schwarze  743: }
                    744:
1.5       kristaps  745: /*
                    746:  * Print before a section header.
                    747:  */
1.1       schwarze  748: static int
1.3       schwarze  749: pre_sect(DECL_ARGS)
                    750: {
                    751:
1.89      schwarze  752:        if (n->type == ROFFT_HEAD) {
1.46      schwarze  753:                outflags |= MMAN_sp;
                    754:                print_block(manacts[n->tok].prefix, 0);
                    755:                print_word("");
                    756:                putchar('\"');
                    757:                outflags &= ~MMAN_spc;
                    758:        }
1.94      schwarze  759:        return 1;
1.3       schwarze  760: }
                    761:
1.5       kristaps  762: /*
                    763:  * Print subsequent a section header.
                    764:  */
1.3       schwarze  765: static void
                    766: post_sect(DECL_ARGS)
                    767: {
                    768:
1.89      schwarze  769:        if (n->type != ROFFT_HEAD)
1.3       schwarze  770:                return;
1.20      schwarze  771:        outflags &= ~MMAN_spc;
1.37      schwarze  772:        print_word("");
                    773:        putchar('\"');
1.20      schwarze  774:        outflags |= MMAN_nl;
1.22      schwarze  775:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    776:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    777: }
                    778:
1.23      schwarze  779: /* See mdoc_term.c, synopsis_pre() for comments. */
                    780: static void
1.90      schwarze  781: pre_syn(const struct roff_node *n)
1.23      schwarze  782: {
                    783:
1.98      schwarze  784:        if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.23      schwarze  785:                return;
                    786:
                    787:        if (n->prev->tok == n->tok &&
1.62      schwarze  788:            MDOC_Ft != n->tok &&
                    789:            MDOC_Fo != n->tok &&
                    790:            MDOC_Fn != n->tok) {
1.23      schwarze  791:                outflags |= MMAN_br;
                    792:                return;
                    793:        }
                    794:
                    795:        switch (n->prev->tok) {
1.62      schwarze  796:        case MDOC_Fd:
                    797:        case MDOC_Fn:
                    798:        case MDOC_Fo:
                    799:        case MDOC_In:
                    800:        case MDOC_Vt:
1.23      schwarze  801:                outflags |= MMAN_sp;
                    802:                break;
1.62      schwarze  803:        case MDOC_Ft:
1.23      schwarze  804:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    805:                        outflags |= MMAN_sp;
                    806:                        break;
                    807:                }
                    808:                /* FALLTHROUGH */
                    809:        default:
                    810:                outflags |= MMAN_br;
                    811:                break;
                    812:        }
                    813: }
                    814:
1.22      schwarze  815: static int
                    816: pre_an(DECL_ARGS)
                    817: {
                    818:
                    819:        switch (n->norm->An.auth) {
1.62      schwarze  820:        case AUTH_split:
1.22      schwarze  821:                outflags &= ~MMAN_An_nosplit;
                    822:                outflags |= MMAN_An_split;
1.94      schwarze  823:                return 0;
1.62      schwarze  824:        case AUTH_nosplit:
1.22      schwarze  825:                outflags &= ~MMAN_An_split;
                    826:                outflags |= MMAN_An_nosplit;
1.94      schwarze  827:                return 0;
1.22      schwarze  828:        default:
                    829:                if (MMAN_An_split & outflags)
                    830:                        outflags |= MMAN_br;
                    831:                else if (SEC_AUTHORS == n->sec &&
                    832:                    ! (MMAN_An_nosplit & outflags))
                    833:                        outflags |= MMAN_An_split;
1.94      schwarze  834:                return 1;
1.22      schwarze  835:        }
1.3       schwarze  836: }
                    837:
                    838: static int
                    839: pre_ap(DECL_ARGS)
                    840: {
                    841:
1.20      schwarze  842:        outflags &= ~MMAN_spc;
                    843:        print_word("'");
                    844:        outflags &= ~MMAN_spc;
1.94      schwarze  845:        return 0;
1.74      schwarze  846: }
                    847:
                    848: static int
                    849: pre_aq(DECL_ARGS)
                    850: {
                    851:
1.96      schwarze  852:        print_word(n->child != NULL && n->child->next == NULL &&
1.82      schwarze  853:            n->child->tok == MDOC_Mt ?  "<" : "\\(la");
1.74      schwarze  854:        outflags &= ~MMAN_spc;
1.94      schwarze  855:        return 1;
1.74      schwarze  856: }
                    857:
                    858: static void
                    859: post_aq(DECL_ARGS)
                    860: {
                    861:
                    862:        outflags &= ~(MMAN_spc | MMAN_nl);
1.96      schwarze  863:        print_word(n->child != NULL && n->child->next == NULL &&
1.82      schwarze  864:            n->child->tok == MDOC_Mt ?  ">" : "\\(ra");
1.3       schwarze  865: }
                    866:
                    867: static int
                    868: pre_bd(DECL_ARGS)
                    869: {
                    870:
1.36      schwarze  871:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    872:
                    873:        if (DISP_unfilled == n->norm->Bd.type ||
                    874:            DISP_literal  == n->norm->Bd.type)
                    875:                print_line(".nf", 0);
                    876:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.21      schwarze  877:                outflags |= MMAN_sp;
1.71      schwarze  878:        print_offs(n->norm->Bd.offs, 1);
1.94      schwarze  879:        return 1;
1.3       schwarze  880: }
                    881:
                    882: static void
                    883: post_bd(DECL_ARGS)
                    884: {
                    885:
1.43      schwarze  886:        /* Close out this display. */
1.36      schwarze  887:        print_line(".RE", MMAN_nl);
1.3       schwarze  888:        if (DISP_unfilled == n->norm->Bd.type ||
1.36      schwarze  889:            DISP_literal  == n->norm->Bd.type)
                    890:                print_line(".fi", MMAN_nl);
1.43      schwarze  891:
1.47      schwarze  892:        /* Maybe we are inside an enclosing list? */
                    893:        if (NULL != n->parent->next)
                    894:                mid_it();
1.13      schwarze  895: }
                    896:
                    897: static int
1.27      schwarze  898: pre_bf(DECL_ARGS)
                    899: {
                    900:
                    901:        switch (n->type) {
1.89      schwarze  902:        case ROFFT_BLOCK:
1.94      schwarze  903:                return 1;
1.89      schwarze  904:        case ROFFT_BODY:
1.27      schwarze  905:                break;
                    906:        default:
1.94      schwarze  907:                return 0;
1.27      schwarze  908:        }
                    909:        switch (n->norm->Bf.font) {
1.62      schwarze  910:        case FONT_Em:
1.27      schwarze  911:                font_push('I');
                    912:                break;
1.62      schwarze  913:        case FONT_Sy:
1.27      schwarze  914:                font_push('B');
                    915:                break;
                    916:        default:
                    917:                font_push('R');
                    918:                break;
                    919:        }
1.94      schwarze  920:        return 1;
1.27      schwarze  921: }
                    922:
                    923: static void
                    924: post_bf(DECL_ARGS)
                    925: {
                    926:
1.89      schwarze  927:        if (n->type == ROFFT_BODY)
1.27      schwarze  928:                font_pop();
                    929: }
                    930:
                    931: static int
1.13      schwarze  932: pre_bk(DECL_ARGS)
                    933: {
                    934:
                    935:        switch (n->type) {
1.89      schwarze  936:        case ROFFT_BLOCK:
1.94      schwarze  937:                return 1;
1.89      schwarze  938:        case ROFFT_BODY:
1.20      schwarze  939:                outflags |= MMAN_Bk;
1.94      schwarze  940:                return 1;
1.13      schwarze  941:        default:
1.94      schwarze  942:                return 0;
1.13      schwarze  943:        }
                    944: }
                    945:
                    946: static void
                    947: post_bk(DECL_ARGS)
                    948: {
                    949:
1.89      schwarze  950:        if (n->type == ROFFT_BODY)
1.20      schwarze  951:                outflags &= ~MMAN_Bk;
1.3       schwarze  952: }
                    953:
                    954: static int
1.30      schwarze  955: pre_bl(DECL_ARGS)
                    956: {
1.33      schwarze  957:        size_t           icol;
1.30      schwarze  958:
1.49      schwarze  959:        /*
                    960:         * print_offs() will increase the -offset to account for
                    961:         * a possible enclosing .It, but any enclosed .It blocks
                    962:         * just nest and do not add up their indentation.
                    963:         */
                    964:        if (n->norm->Bl.offs) {
1.71      schwarze  965:                print_offs(n->norm->Bl.offs, 0);
1.49      schwarze  966:                Bl_stack[Bl_stack_len++] = 0;
                    967:        }
                    968:
1.33      schwarze  969:        switch (n->norm->Bl.type) {
1.62      schwarze  970:        case LIST_enum:
1.30      schwarze  971:                n->norm->Bl.count = 0;
1.94      schwarze  972:                return 1;
1.62      schwarze  973:        case LIST_column:
1.33      schwarze  974:                break;
                    975:        default:
1.94      schwarze  976:                return 1;
1.33      schwarze  977:        }
                    978:
1.96      schwarze  979:        if (n->child != NULL) {
1.83      schwarze  980:                print_line(".TS", MMAN_nl);
                    981:                for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                    982:                        print_word("l");
                    983:                print_word(".");
                    984:        }
1.36      schwarze  985:        outflags |= MMAN_nl;
1.94      schwarze  986:        return 1;
1.30      schwarze  987: }
                    988:
                    989: static void
                    990: post_bl(DECL_ARGS)
                    991: {
                    992:
1.33      schwarze  993:        switch (n->norm->Bl.type) {
1.62      schwarze  994:        case LIST_column:
1.96      schwarze  995:                if (n->child != NULL)
1.83      schwarze  996:                        print_line(".TE", 0);
1.36      schwarze  997:                break;
1.62      schwarze  998:        case LIST_enum:
1.33      schwarze  999:                n->norm->Bl.count = 0;
                   1000:                break;
                   1001:        default:
                   1002:                break;
                   1003:        }
1.49      schwarze 1004:
                   1005:        if (n->norm->Bl.offs) {
                   1006:                print_line(".RE", MMAN_nl);
                   1007:                assert(Bl_stack_len);
                   1008:                Bl_stack_len--;
                   1009:                assert(0 == Bl_stack[Bl_stack_len]);
                   1010:        } else {
                   1011:                outflags |= MMAN_PP | MMAN_nl;
                   1012:                outflags &= ~(MMAN_sp | MMAN_br);
                   1013:        }
1.47      schwarze 1014:
                   1015:        /* Maybe we are inside an enclosing list? */
                   1016:        if (NULL != n->parent->next)
                   1017:                mid_it();
                   1018:
1.30      schwarze 1019: }
                   1020:
                   1021: static int
1.3       schwarze 1022: pre_br(DECL_ARGS)
                   1023: {
                   1024:
1.21      schwarze 1025:        outflags |= MMAN_br;
1.94      schwarze 1026:        return 0;
1.8       schwarze 1027: }
                   1028:
                   1029: static int
1.1       schwarze 1030: pre_dl(DECL_ARGS)
                   1031: {
                   1032:
1.71      schwarze 1033:        print_offs("6n", 0);
1.94      schwarze 1034:        return 1;
1.1       schwarze 1035: }
                   1036:
                   1037: static void
                   1038: post_dl(DECL_ARGS)
                   1039: {
                   1040:
1.36      schwarze 1041:        print_line(".RE", MMAN_nl);
1.47      schwarze 1042:
                   1043:        /* Maybe we are inside an enclosing list? */
                   1044:        if (NULL != n->parent->next)
                   1045:                mid_it();
1.16      schwarze 1046: }
                   1047:
                   1048: static int
1.26      schwarze 1049: pre_em(DECL_ARGS)
                   1050: {
                   1051:
                   1052:        font_push('I');
1.94      schwarze 1053:        return 1;
1.28      schwarze 1054: }
                   1055:
1.64      schwarze 1056: static int
                   1057: pre_en(DECL_ARGS)
                   1058: {
                   1059:
                   1060:        if (NULL == n->norm->Es ||
                   1061:            NULL == n->norm->Es->child)
1.94      schwarze 1062:                return 1;
1.64      schwarze 1063:
                   1064:        print_word(n->norm->Es->child->string);
                   1065:        outflags &= ~MMAN_spc;
1.94      schwarze 1066:        return 1;
1.64      schwarze 1067: }
                   1068:
                   1069: static void
                   1070: post_en(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        if (NULL == n->norm->Es ||
                   1074:            NULL == n->norm->Es->child ||
                   1075:            NULL == n->norm->Es->child->next)
                   1076:                return;
                   1077:
                   1078:        outflags &= ~MMAN_spc;
                   1079:        print_word(n->norm->Es->child->next->string);
                   1080:        return;
                   1081: }
                   1082:
1.76      schwarze 1083: static int
                   1084: pre_eo(DECL_ARGS)
                   1085: {
                   1086:
1.84      schwarze 1087:        if (n->end == ENDBODY_NOT &&
                   1088:            n->parent->head->child == NULL &&
                   1089:            n->child != NULL &&
                   1090:            n->child->end != ENDBODY_NOT)
                   1091:                print_word("\\&");
                   1092:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.86      schwarze 1093:            n->parent->head->child != NULL && (n->child != NULL ||
                   1094:            (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.84      schwarze 1095:                outflags &= ~(MMAN_spc | MMAN_nl);
1.94      schwarze 1096:        return 1;
1.76      schwarze 1097: }
                   1098:
1.28      schwarze 1099: static void
                   1100: post_eo(DECL_ARGS)
                   1101: {
1.84      schwarze 1102:        int      body, tail;
                   1103:
                   1104:        if (n->end != ENDBODY_NOT) {
                   1105:                outflags |= MMAN_spc;
                   1106:                return;
                   1107:        }
1.28      schwarze 1108:
1.84      schwarze 1109:        body = n->child != NULL || n->parent->head->child != NULL;
                   1110:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1111:
                   1112:        if (body && tail)
1.28      schwarze 1113:                outflags &= ~MMAN_spc;
1.84      schwarze 1114:        else if ( ! (body || tail))
                   1115:                print_word("\\&");
                   1116:        else if ( ! tail)
                   1117:                outflags |= MMAN_spc;
1.64      schwarze 1118: }
                   1119:
                   1120: static int
1.17      schwarze 1121: pre_fa(DECL_ARGS)
                   1122: {
1.57      schwarze 1123:        int      am_Fa;
1.17      schwarze 1124:
1.57      schwarze 1125:        am_Fa = MDOC_Fa == n->tok;
                   1126:
                   1127:        if (am_Fa)
1.17      schwarze 1128:                n = n->child;
                   1129:
                   1130:        while (NULL != n) {
1.26      schwarze 1131:                font_push('I');
1.98      schwarze 1132:                if (am_Fa || NODE_SYNPRETTY & n->flags)
1.56      schwarze 1133:                        outflags |= MMAN_nbrword;
1.42      schwarze 1134:                print_node(meta, n);
1.26      schwarze 1135:                font_pop();
1.17      schwarze 1136:                if (NULL != (n = n->next))
1.20      schwarze 1137:                        print_word(",");
1.17      schwarze 1138:        }
1.94      schwarze 1139:        return 0;
1.17      schwarze 1140: }
                   1141:
                   1142: static void
                   1143: post_fa(DECL_ARGS)
                   1144: {
                   1145:
                   1146:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20      schwarze 1147:                print_word(",");
1.29      schwarze 1148: }
                   1149:
                   1150: static int
                   1151: pre_fd(DECL_ARGS)
                   1152: {
                   1153:
                   1154:        pre_syn(n);
                   1155:        font_push('B');
1.94      schwarze 1156:        return 1;
1.29      schwarze 1157: }
                   1158:
                   1159: static void
                   1160: post_fd(DECL_ARGS)
                   1161: {
                   1162:
                   1163:        font_pop();
                   1164:        outflags |= MMAN_br;
1.17      schwarze 1165: }
                   1166:
                   1167: static int
1.26      schwarze 1168: pre_fl(DECL_ARGS)
                   1169: {
                   1170:
                   1171:        font_push('B');
1.45      schwarze 1172:        print_word("\\-");
1.96      schwarze 1173:        if (n->child != NULL)
1.70      schwarze 1174:                outflags &= ~MMAN_spc;
1.94      schwarze 1175:        return 1;
1.26      schwarze 1176: }
                   1177:
                   1178: static void
                   1179: post_fl(DECL_ARGS)
                   1180: {
                   1181:
                   1182:        font_pop();
1.96      schwarze 1183:        if (!(n->child != NULL ||
1.70      schwarze 1184:            n->next == NULL ||
1.89      schwarze 1185:            n->next->type == ROFFT_TEXT ||
1.98      schwarze 1186:            n->next->flags & NODE_LINE))
1.26      schwarze 1187:                outflags &= ~MMAN_spc;
                   1188: }
                   1189:
                   1190: static int
1.16      schwarze 1191: pre_fn(DECL_ARGS)
                   1192: {
                   1193:
1.23      schwarze 1194:        pre_syn(n);
                   1195:
1.16      schwarze 1196:        n = n->child;
                   1197:        if (NULL == n)
1.94      schwarze 1198:                return 0;
1.16      schwarze 1199:
1.98      schwarze 1200:        if (NODE_SYNPRETTY & n->flags)
1.55      schwarze 1201:                print_block(".HP 4n", MMAN_nl);
                   1202:
1.26      schwarze 1203:        font_push('B');
1.42      schwarze 1204:        print_node(meta, n);
1.26      schwarze 1205:        font_pop();
1.20      schwarze 1206:        outflags &= ~MMAN_spc;
1.26      schwarze 1207:        print_word("(");
1.20      schwarze 1208:        outflags &= ~MMAN_spc;
1.35      schwarze 1209:
                   1210:        n = n->next;
                   1211:        if (NULL != n)
1.42      schwarze 1212:                pre_fa(meta, n);
1.94      schwarze 1213:        return 0;
1.16      schwarze 1214: }
                   1215:
                   1216: static void
                   1217: post_fn(DECL_ARGS)
                   1218: {
                   1219:
1.20      schwarze 1220:        print_word(")");
1.98      schwarze 1221:        if (NODE_SYNPRETTY & n->flags) {
1.20      schwarze 1222:                print_word(";");
1.55      schwarze 1223:                outflags |= MMAN_PP;
1.17      schwarze 1224:        }
                   1225: }
                   1226:
                   1227: static int
                   1228: pre_fo(DECL_ARGS)
                   1229: {
                   1230:
                   1231:        switch (n->type) {
1.89      schwarze 1232:        case ROFFT_BLOCK:
1.23      schwarze 1233:                pre_syn(n);
                   1234:                break;
1.89      schwarze 1235:        case ROFFT_HEAD:
1.85      schwarze 1236:                if (n->child == NULL)
1.94      schwarze 1237:                        return 0;
1.98      schwarze 1238:                if (NODE_SYNPRETTY & n->flags)
1.57      schwarze 1239:                        print_block(".HP 4n", MMAN_nl);
1.26      schwarze 1240:                font_push('B');
1.17      schwarze 1241:                break;
1.89      schwarze 1242:        case ROFFT_BODY:
1.85      schwarze 1243:                outflags &= ~(MMAN_spc | MMAN_nl);
1.20      schwarze 1244:                print_word("(");
                   1245:                outflags &= ~MMAN_spc;
1.17      schwarze 1246:                break;
                   1247:        default:
                   1248:                break;
                   1249:        }
1.94      schwarze 1250:        return 1;
1.17      schwarze 1251: }
1.57      schwarze 1252:
1.17      schwarze 1253: static void
                   1254: post_fo(DECL_ARGS)
                   1255: {
                   1256:
                   1257:        switch (n->type) {
1.89      schwarze 1258:        case ROFFT_HEAD:
1.85      schwarze 1259:                if (n->child != NULL)
                   1260:                        font_pop();
1.17      schwarze 1261:                break;
1.89      schwarze 1262:        case ROFFT_BODY:
1.42      schwarze 1263:                post_fn(meta, n);
1.17      schwarze 1264:                break;
                   1265:        default:
                   1266:                break;
1.16      schwarze 1267:        }
1.15      schwarze 1268: }
                   1269:
                   1270: static int
1.23      schwarze 1271: pre_ft(DECL_ARGS)
                   1272: {
                   1273:
                   1274:        pre_syn(n);
1.26      schwarze 1275:        font_push('I');
1.94      schwarze 1276:        return 1;
1.23      schwarze 1277: }
                   1278:
                   1279: static int
1.15      schwarze 1280: pre_in(DECL_ARGS)
                   1281: {
                   1282:
1.98      schwarze 1283:        if (NODE_SYNPRETTY & n->flags) {
1.23      schwarze 1284:                pre_syn(n);
1.26      schwarze 1285:                font_push('B');
                   1286:                print_word("#include <");
                   1287:                outflags &= ~MMAN_spc;
                   1288:        } else {
                   1289:                print_word("<");
                   1290:                outflags &= ~MMAN_spc;
                   1291:                font_push('I');
                   1292:        }
1.94      schwarze 1293:        return 1;
1.15      schwarze 1294: }
                   1295:
                   1296: static void
                   1297: post_in(DECL_ARGS)
                   1298: {
                   1299:
1.98      schwarze 1300:        if (NODE_SYNPRETTY & n->flags) {
1.26      schwarze 1301:                outflags &= ~MMAN_spc;
                   1302:                print_word(">");
                   1303:                font_pop();
1.21      schwarze 1304:                outflags |= MMAN_br;
1.26      schwarze 1305:        } else {
                   1306:                font_pop();
                   1307:                outflags &= ~MMAN_spc;
                   1308:                print_word(">");
                   1309:        }
1.1       schwarze 1310: }
                   1311:
                   1312: static int
                   1313: pre_it(DECL_ARGS)
                   1314: {
1.90      schwarze 1315:        const struct roff_node *bln;
1.1       schwarze 1316:
1.30      schwarze 1317:        switch (n->type) {
1.89      schwarze 1318:        case ROFFT_HEAD:
1.36      schwarze 1319:                outflags |= MMAN_PP | MMAN_nl;
1.30      schwarze 1320:                bln = n->parent->parent;
1.36      schwarze 1321:                if (0 == bln->norm->Bl.comp ||
1.39      schwarze 1322:                    (NULL == n->parent->prev &&
                   1323:                     NULL == bln->parent->prev))
1.36      schwarze 1324:                        outflags |= MMAN_sp;
                   1325:                outflags &= ~MMAN_br;
1.3       schwarze 1326:                switch (bln->norm->Bl.type) {
1.62      schwarze 1327:                case LIST_item:
1.94      schwarze 1328:                        return 0;
1.62      schwarze 1329:                case LIST_inset:
                   1330:                case LIST_diag:
                   1331:                case LIST_ohang:
1.30      schwarze 1332:                        if (bln->norm->Bl.type == LIST_diag)
1.36      schwarze 1333:                                print_line(".B \"", 0);
1.30      schwarze 1334:                        else
1.36      schwarze 1335:                                print_line(".R \"", 0);
1.30      schwarze 1336:                        outflags &= ~MMAN_spc;
1.94      schwarze 1337:                        return 1;
1.62      schwarze 1338:                case LIST_bullet:
                   1339:                case LIST_dash:
                   1340:                case LIST_hyphen:
1.81      schwarze 1341:                        print_width(&bln->norm->Bl, NULL);
1.37      schwarze 1342:                        TPremain = 0;
1.30      schwarze 1343:                        outflags |= MMAN_nl;
                   1344:                        font_push('B');
                   1345:                        if (LIST_bullet == bln->norm->Bl.type)
1.72      schwarze 1346:                                print_word("\\(bu");
1.30      schwarze 1347:                        else
                   1348:                                print_word("-");
                   1349:                        font_pop();
1.66      schwarze 1350:                        outflags |= MMAN_nl;
1.94      schwarze 1351:                        return 0;
1.62      schwarze 1352:                case LIST_enum:
1.81      schwarze 1353:                        print_width(&bln->norm->Bl, NULL);
1.37      schwarze 1354:                        TPremain = 0;
1.30      schwarze 1355:                        outflags |= MMAN_nl;
                   1356:                        print_count(&bln->norm->Bl.count);
1.66      schwarze 1357:                        outflags |= MMAN_nl;
1.94      schwarze 1358:                        return 0;
1.62      schwarze 1359:                case LIST_hang:
1.81      schwarze 1360:                        print_width(&bln->norm->Bl, n->child);
1.37      schwarze 1361:                        TPremain = 0;
1.66      schwarze 1362:                        outflags |= MMAN_nl;
1.94      schwarze 1363:                        return 1;
1.62      schwarze 1364:                case LIST_tag:
1.81      schwarze 1365:                        print_width(&bln->norm->Bl, n->child);
1.37      schwarze 1366:                        putchar('\n');
                   1367:                        outflags &= ~MMAN_spc;
1.94      schwarze 1368:                        return 1;
1.3       schwarze 1369:                default:
1.94      schwarze 1370:                        return 1;
1.3       schwarze 1371:                }
1.30      schwarze 1372:        default:
                   1373:                break;
1.1       schwarze 1374:        }
1.94      schwarze 1375:        return 1;
1.30      schwarze 1376: }
                   1377:
1.47      schwarze 1378: /*
                   1379:  * This function is called after closing out an indented block.
                   1380:  * If we are inside an enclosing list, restore its indentation.
                   1381:  */
                   1382: static void
                   1383: mid_it(void)
                   1384: {
                   1385:        char             buf[24];
                   1386:
                   1387:        /* Nothing to do outside a list. */
                   1388:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
                   1389:                return;
                   1390:
                   1391:        /* The indentation has already been set up. */
                   1392:        if (Bl_stack_post[Bl_stack_len - 1])
                   1393:                return;
                   1394:
                   1395:        /* Restore the indentation of the enclosing list. */
                   1396:        print_line(".RS", MMAN_Bk_susp);
1.81      schwarze 1397:        (void)snprintf(buf, sizeof(buf), "%dn",
1.63      schwarze 1398:            Bl_stack[Bl_stack_len - 1]);
1.47      schwarze 1399:        print_word(buf);
                   1400:
                   1401:        /* Remeber to close out this .RS block later. */
                   1402:        Bl_stack_post[Bl_stack_len - 1] = 1;
                   1403: }
                   1404:
1.30      schwarze 1405: static void
                   1406: post_it(DECL_ARGS)
                   1407: {
1.90      schwarze 1408:        const struct roff_node *bln;
1.30      schwarze 1409:
1.33      schwarze 1410:        bln = n->parent->parent;
                   1411:
                   1412:        switch (n->type) {
1.89      schwarze 1413:        case ROFFT_HEAD:
1.30      schwarze 1414:                switch (bln->norm->Bl.type) {
1.62      schwarze 1415:                case LIST_diag:
1.30      schwarze 1416:                        outflags &= ~MMAN_spc;
                   1417:                        print_word("\\ ");
                   1418:                        break;
1.62      schwarze 1419:                case LIST_ohang:
1.30      schwarze 1420:                        outflags |= MMAN_br;
                   1421:                        break;
                   1422:                default:
                   1423:                        break;
                   1424:                }
1.33      schwarze 1425:                break;
1.89      schwarze 1426:        case ROFFT_BODY:
1.43      schwarze 1427:                switch (bln->norm->Bl.type) {
1.62      schwarze 1428:                case LIST_bullet:
                   1429:                case LIST_dash:
                   1430:                case LIST_hyphen:
                   1431:                case LIST_enum:
                   1432:                case LIST_hang:
                   1433:                case LIST_tag:
1.43      schwarze 1434:                        assert(Bl_stack_len);
                   1435:                        Bl_stack[--Bl_stack_len] = 0;
                   1436:
                   1437:                        /*
                   1438:                         * Our indentation had to be restored
1.47      schwarze 1439:                         * after a child display or child list.
1.43      schwarze 1440:                         * Close out that indentation block now.
                   1441:                         */
                   1442:                        if (Bl_stack_post[Bl_stack_len]) {
                   1443:                                print_line(".RE", MMAN_nl);
                   1444:                                Bl_stack_post[Bl_stack_len] = 0;
                   1445:                        }
                   1446:                        break;
1.62      schwarze 1447:                case LIST_column:
1.43      schwarze 1448:                        if (NULL != n->next) {
                   1449:                                putchar('\t');
                   1450:                                outflags &= ~MMAN_spc;
                   1451:                        }
                   1452:                        break;
                   1453:                default:
                   1454:                        break;
1.33      schwarze 1455:                }
                   1456:                break;
                   1457:        default:
                   1458:                break;
1.30      schwarze 1459:        }
1.14      schwarze 1460: }
                   1461:
                   1462: static void
                   1463: post_lb(DECL_ARGS)
                   1464: {
                   1465:
1.21      schwarze 1466:        if (SEC_LIBRARY == n->sec)
                   1467:                outflags |= MMAN_br;
1.24      schwarze 1468: }
                   1469:
                   1470: static int
                   1471: pre_lk(DECL_ARGS)
                   1472: {
1.90      schwarze 1473:        const struct roff_node *link, *descr;
1.24      schwarze 1474:
                   1475:        if (NULL == (link = n->child))
1.94      schwarze 1476:                return 0;
1.24      schwarze 1477:
                   1478:        if (NULL != (descr = link->next)) {
1.26      schwarze 1479:                font_push('I');
1.24      schwarze 1480:                while (NULL != descr) {
                   1481:                        print_word(descr->string);
                   1482:                        descr = descr->next;
                   1483:                }
                   1484:                print_word(":");
1.26      schwarze 1485:                font_pop();
1.24      schwarze 1486:        }
                   1487:
1.26      schwarze 1488:        font_push('B');
1.24      schwarze 1489:        print_word(link->string);
1.26      schwarze 1490:        font_pop();
1.94      schwarze 1491:        return 0;
1.60      schwarze 1492: }
                   1493:
                   1494: static int
                   1495: pre_ll(DECL_ARGS)
                   1496: {
                   1497:
                   1498:        print_line(".ll", 0);
1.94      schwarze 1499:        return 1;
1.1       schwarze 1500: }
                   1501:
                   1502: static int
1.26      schwarze 1503: pre_li(DECL_ARGS)
                   1504: {
                   1505:
                   1506:        font_push('R');
1.94      schwarze 1507:        return 1;
1.26      schwarze 1508: }
                   1509:
                   1510: static int
1.1       schwarze 1511: pre_nm(DECL_ARGS)
                   1512: {
1.38      schwarze 1513:        char    *name;
1.1       schwarze 1514:
1.89      schwarze 1515:        if (n->type == ROFFT_BLOCK) {
1.54      schwarze 1516:                outflags |= MMAN_Bk;
1.23      schwarze 1517:                pre_syn(n);
1.54      schwarze 1518:        }
1.89      schwarze 1519:        if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
1.94      schwarze 1520:                return 1;
1.42      schwarze 1521:        name = n->child ? n->child->string : meta->name;
1.38      schwarze 1522:        if (NULL == name)
1.94      schwarze 1523:                return 0;
1.89      schwarze 1524:        if (n->type == ROFFT_HEAD) {
1.38      schwarze 1525:                if (NULL == n->parent->prev)
                   1526:                        outflags |= MMAN_sp;
                   1527:                print_block(".HP", 0);
1.53      schwarze 1528:                printf(" %zun", strlen(name) + 1);
1.38      schwarze 1529:                outflags |= MMAN_nl;
                   1530:        }
1.26      schwarze 1531:        font_push('B');
1.1       schwarze 1532:        if (NULL == n->child)
1.42      schwarze 1533:                print_word(meta->name);
1.94      schwarze 1534:        return 1;
1.1       schwarze 1535: }
                   1536:
                   1537: static void
                   1538: post_nm(DECL_ARGS)
                   1539: {
                   1540:
1.54      schwarze 1541:        switch (n->type) {
1.89      schwarze 1542:        case ROFFT_BLOCK:
1.54      schwarze 1543:                outflags &= ~MMAN_Bk;
                   1544:                break;
1.89      schwarze 1545:        case ROFFT_HEAD:
                   1546:        case ROFFT_ELEM:
1.67      schwarze 1547:                if (n->child != NULL || meta->name != NULL)
                   1548:                        font_pop();
1.54      schwarze 1549:                break;
                   1550:        default:
                   1551:                break;
                   1552:        }
1.25      schwarze 1553: }
                   1554:
                   1555: static int
                   1556: pre_no(DECL_ARGS)
                   1557: {
                   1558:
                   1559:        outflags |= MMAN_spc_force;
1.94      schwarze 1560:        return 1;
1.1       schwarze 1561: }
                   1562:
                   1563: static int
                   1564: pre_ns(DECL_ARGS)
                   1565: {
                   1566:
1.20      schwarze 1567:        outflags &= ~MMAN_spc;
1.94      schwarze 1568:        return 0;
1.1       schwarze 1569: }
                   1570:
1.3       schwarze 1571: static void
                   1572: post_pf(DECL_ARGS)
                   1573: {
                   1574:
1.98      schwarze 1575:        if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.77      schwarze 1576:                outflags &= ~MMAN_spc;
1.3       schwarze 1577: }
                   1578:
1.1       schwarze 1579: static int
                   1580: pre_pp(DECL_ARGS)
                   1581: {
                   1582:
1.36      schwarze 1583:        if (MDOC_It != n->parent->tok)
                   1584:                outflags |= MMAN_PP;
                   1585:        outflags |= MMAN_sp | MMAN_nl;
                   1586:        outflags &= ~MMAN_br;
1.94      schwarze 1587:        return 0;
1.34      schwarze 1588: }
                   1589:
                   1590: static int
                   1591: pre_rs(DECL_ARGS)
                   1592: {
                   1593:
                   1594:        if (SEC_SEE_ALSO == n->sec) {
1.36      schwarze 1595:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1596:                outflags &= ~MMAN_br;
1.34      schwarze 1597:        }
1.94      schwarze 1598:        return 1;
1.67      schwarze 1599: }
                   1600:
                   1601: static int
1.75      schwarze 1602: pre_skip(DECL_ARGS)
                   1603: {
                   1604:
1.94      schwarze 1605:        return 0;
1.12      schwarze 1606: }
                   1607:
                   1608: static int
                   1609: pre_sm(DECL_ARGS)
                   1610: {
                   1611:
1.65      schwarze 1612:        if (NULL == n->child)
                   1613:                outflags ^= MMAN_Sm;
                   1614:        else if (0 == strcmp("on", n->child->string))
                   1615:                outflags |= MMAN_Sm;
1.12      schwarze 1616:        else
1.20      schwarze 1617:                outflags &= ~MMAN_Sm;
1.65      schwarze 1618:
                   1619:        if (MMAN_Sm & outflags)
                   1620:                outflags |= MMAN_spc;
                   1621:
1.94      schwarze 1622:        return 0;
1.1       schwarze 1623: }
                   1624:
                   1625: static int
1.3       schwarze 1626: pre_sp(DECL_ARGS)
1.1       schwarze 1627: {
                   1628:
1.41      schwarze 1629:        if (MMAN_PP & outflags) {
                   1630:                outflags &= ~MMAN_PP;
1.40      schwarze 1631:                print_line(".PP", 0);
1.41      schwarze 1632:        } else
1.40      schwarze 1633:                print_line(".sp", 0);
1.94      schwarze 1634:        return 1;
1.1       schwarze 1635: }
                   1636:
                   1637: static void
1.3       schwarze 1638: post_sp(DECL_ARGS)
1.1       schwarze 1639: {
                   1640:
1.20      schwarze 1641:        outflags |= MMAN_nl;
1.18      schwarze 1642: }
                   1643:
                   1644: static int
1.26      schwarze 1645: pre_sy(DECL_ARGS)
                   1646: {
                   1647:
                   1648:        font_push('B');
1.94      schwarze 1649:        return 1;
1.26      schwarze 1650: }
                   1651:
                   1652: static int
1.18      schwarze 1653: pre_vt(DECL_ARGS)
                   1654: {
                   1655:
1.98      schwarze 1656:        if (NODE_SYNPRETTY & n->flags) {
1.18      schwarze 1657:                switch (n->type) {
1.89      schwarze 1658:                case ROFFT_BLOCK:
1.23      schwarze 1659:                        pre_syn(n);
1.94      schwarze 1660:                        return 1;
1.89      schwarze 1661:                case ROFFT_BODY:
1.18      schwarze 1662:                        break;
                   1663:                default:
1.94      schwarze 1664:                        return 0;
1.18      schwarze 1665:                }
                   1666:        }
1.26      schwarze 1667:        font_push('I');
1.94      schwarze 1668:        return 1;
1.18      schwarze 1669: }
                   1670:
                   1671: static void
                   1672: post_vt(DECL_ARGS)
                   1673: {
                   1674:
1.98      schwarze 1675:        if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY)
1.18      schwarze 1676:                return;
1.26      schwarze 1677:        font_pop();
1.1       schwarze 1678: }
                   1679:
                   1680: static int
                   1681: pre_xr(DECL_ARGS)
                   1682: {
                   1683:
                   1684:        n = n->child;
                   1685:        if (NULL == n)
1.94      schwarze 1686:                return 0;
1.42      schwarze 1687:        print_node(meta, n);
1.1       schwarze 1688:        n = n->next;
                   1689:        if (NULL == n)
1.94      schwarze 1690:                return 0;
1.20      schwarze 1691:        outflags &= ~MMAN_spc;
                   1692:        print_word("(");
1.42      schwarze 1693:        print_node(meta, n);
1.20      schwarze 1694:        print_word(")");
1.94      schwarze 1695:        return 0;
1.1       schwarze 1696: }

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