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Annotation of mandoc/mdoc_man.c, Revision 1.106

1.106   ! schwarze    1: /*     $Id: mdoc_man.c,v 1.105 2017/03/04 21:41:29 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;
1.1       schwarze  642: }
                    643:
                    644: static int
                    645: cond_head(DECL_ARGS)
                    646: {
1.5       kristaps  647:
1.94      schwarze  648:        return n->type == ROFFT_HEAD;
1.1       schwarze  649: }
                    650:
                    651: static int
                    652: cond_body(DECL_ARGS)
                    653: {
1.5       kristaps  654:
1.94      schwarze  655:        return n->type == ROFFT_BODY;
1.1       schwarze  656: }
                    657:
                    658: static int
                    659: pre_enc(DECL_ARGS)
                    660: {
1.5       kristaps  661:        const char      *prefix;
1.1       schwarze  662:
                    663:        prefix = manacts[n->tok].prefix;
                    664:        if (NULL == prefix)
1.94      schwarze  665:                return 1;
1.20      schwarze  666:        print_word(prefix);
                    667:        outflags &= ~MMAN_spc;
1.94      schwarze  668:        return 1;
1.1       schwarze  669: }
                    670:
                    671: static void
                    672: post_enc(DECL_ARGS)
                    673: {
                    674:        const char *suffix;
                    675:
                    676:        suffix = manacts[n->tok].suffix;
                    677:        if (NULL == suffix)
                    678:                return;
1.61      schwarze  679:        outflags &= ~(MMAN_spc | MMAN_nl);
1.20      schwarze  680:        print_word(suffix);
1.26      schwarze  681: }
                    682:
1.67      schwarze  683: static int
                    684: pre_ex(DECL_ARGS)
                    685: {
                    686:        outflags |= MMAN_br | MMAN_nl;
1.101     schwarze  687:        return 1;
1.67      schwarze  688: }
                    689:
1.26      schwarze  690: static void
                    691: post_font(DECL_ARGS)
                    692: {
                    693:
                    694:        font_pop();
1.1       schwarze  695: }
                    696:
                    697: static void
                    698: post_percent(DECL_ARGS)
                    699: {
                    700:
1.34      schwarze  701:        if (pre_em == manacts[n->tok].pre)
                    702:                font_pop();
                    703:        if (n->next) {
1.20      schwarze  704:                print_word(",");
1.34      schwarze  705:                if (n->prev &&  n->prev->tok == n->tok &&
                    706:                                n->next->tok == n->tok)
                    707:                        print_word("and");
                    708:        } else {
1.20      schwarze  709:                print_word(".");
                    710:                outflags |= MMAN_nl;
1.1       schwarze  711:        }
                    712: }
                    713:
1.34      schwarze  714: static int
                    715: pre__t(DECL_ARGS)
                    716: {
                    717:
1.105     schwarze  718:        if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
1.104     schwarze  719:                print_word("\\(lq");
1.34      schwarze  720:                outflags &= ~MMAN_spc;
                    721:        } else
                    722:                font_push('I');
1.94      schwarze  723:        return 1;
1.34      schwarze  724: }
                    725:
                    726: static void
                    727: post__t(DECL_ARGS)
                    728: {
                    729:
1.105     schwarze  730:        if (n->parent->tok  == MDOC_Rs && n->parent->norm->Rs.quote_T) {
1.34      schwarze  731:                outflags &= ~MMAN_spc;
1.104     schwarze  732:                print_word("\\(rq");
1.34      schwarze  733:        } else
                    734:                font_pop();
1.42      schwarze  735:        post_percent(meta, n);
1.34      schwarze  736: }
                    737:
1.5       kristaps  738: /*
                    739:  * Print before a section header.
                    740:  */
1.1       schwarze  741: static int
1.3       schwarze  742: pre_sect(DECL_ARGS)
                    743: {
                    744:
1.89      schwarze  745:        if (n->type == ROFFT_HEAD) {
1.46      schwarze  746:                outflags |= MMAN_sp;
                    747:                print_block(manacts[n->tok].prefix, 0);
                    748:                print_word("");
                    749:                putchar('\"');
                    750:                outflags &= ~MMAN_spc;
                    751:        }
1.94      schwarze  752:        return 1;
1.3       schwarze  753: }
                    754:
1.5       kristaps  755: /*
                    756:  * Print subsequent a section header.
                    757:  */
1.3       schwarze  758: static void
                    759: post_sect(DECL_ARGS)
                    760: {
                    761:
1.89      schwarze  762:        if (n->type != ROFFT_HEAD)
1.3       schwarze  763:                return;
1.20      schwarze  764:        outflags &= ~MMAN_spc;
1.37      schwarze  765:        print_word("");
                    766:        putchar('\"');
1.20      schwarze  767:        outflags |= MMAN_nl;
1.22      schwarze  768:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    769:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    770: }
                    771:
1.23      schwarze  772: /* See mdoc_term.c, synopsis_pre() for comments. */
                    773: static void
1.90      schwarze  774: pre_syn(const struct roff_node *n)
1.23      schwarze  775: {
                    776:
1.98      schwarze  777:        if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.23      schwarze  778:                return;
                    779:
                    780:        if (n->prev->tok == n->tok &&
1.62      schwarze  781:            MDOC_Ft != n->tok &&
                    782:            MDOC_Fo != n->tok &&
                    783:            MDOC_Fn != n->tok) {
1.23      schwarze  784:                outflags |= MMAN_br;
                    785:                return;
                    786:        }
                    787:
                    788:        switch (n->prev->tok) {
1.62      schwarze  789:        case MDOC_Fd:
                    790:        case MDOC_Fn:
                    791:        case MDOC_Fo:
                    792:        case MDOC_In:
                    793:        case MDOC_Vt:
1.23      schwarze  794:                outflags |= MMAN_sp;
                    795:                break;
1.62      schwarze  796:        case MDOC_Ft:
1.23      schwarze  797:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    798:                        outflags |= MMAN_sp;
                    799:                        break;
                    800:                }
                    801:                /* FALLTHROUGH */
                    802:        default:
                    803:                outflags |= MMAN_br;
                    804:                break;
                    805:        }
                    806: }
                    807:
1.22      schwarze  808: static int
                    809: pre_an(DECL_ARGS)
                    810: {
                    811:
                    812:        switch (n->norm->An.auth) {
1.62      schwarze  813:        case AUTH_split:
1.22      schwarze  814:                outflags &= ~MMAN_An_nosplit;
                    815:                outflags |= MMAN_An_split;
1.94      schwarze  816:                return 0;
1.62      schwarze  817:        case AUTH_nosplit:
1.22      schwarze  818:                outflags &= ~MMAN_An_split;
                    819:                outflags |= MMAN_An_nosplit;
1.94      schwarze  820:                return 0;
1.22      schwarze  821:        default:
                    822:                if (MMAN_An_split & outflags)
                    823:                        outflags |= MMAN_br;
                    824:                else if (SEC_AUTHORS == n->sec &&
                    825:                    ! (MMAN_An_nosplit & outflags))
                    826:                        outflags |= MMAN_An_split;
1.94      schwarze  827:                return 1;
1.22      schwarze  828:        }
1.3       schwarze  829: }
                    830:
                    831: static int
                    832: pre_ap(DECL_ARGS)
                    833: {
                    834:
1.20      schwarze  835:        outflags &= ~MMAN_spc;
                    836:        print_word("'");
                    837:        outflags &= ~MMAN_spc;
1.94      schwarze  838:        return 0;
1.74      schwarze  839: }
                    840:
                    841: static int
                    842: pre_aq(DECL_ARGS)
                    843: {
                    844:
1.96      schwarze  845:        print_word(n->child != NULL && n->child->next == NULL &&
1.82      schwarze  846:            n->child->tok == MDOC_Mt ?  "<" : "\\(la");
1.74      schwarze  847:        outflags &= ~MMAN_spc;
1.94      schwarze  848:        return 1;
1.74      schwarze  849: }
                    850:
                    851: static void
                    852: post_aq(DECL_ARGS)
                    853: {
                    854:
                    855:        outflags &= ~(MMAN_spc | MMAN_nl);
1.96      schwarze  856:        print_word(n->child != NULL && n->child->next == NULL &&
1.82      schwarze  857:            n->child->tok == MDOC_Mt ?  ">" : "\\(ra");
1.3       schwarze  858: }
                    859:
                    860: static int
                    861: pre_bd(DECL_ARGS)
                    862: {
                    863:
1.36      schwarze  864:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    865:
                    866:        if (DISP_unfilled == n->norm->Bd.type ||
                    867:            DISP_literal  == n->norm->Bd.type)
                    868:                print_line(".nf", 0);
                    869:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.21      schwarze  870:                outflags |= MMAN_sp;
1.71      schwarze  871:        print_offs(n->norm->Bd.offs, 1);
1.94      schwarze  872:        return 1;
1.3       schwarze  873: }
                    874:
                    875: static void
                    876: post_bd(DECL_ARGS)
                    877: {
                    878:
1.43      schwarze  879:        /* Close out this display. */
1.36      schwarze  880:        print_line(".RE", MMAN_nl);
1.3       schwarze  881:        if (DISP_unfilled == n->norm->Bd.type ||
1.36      schwarze  882:            DISP_literal  == n->norm->Bd.type)
                    883:                print_line(".fi", MMAN_nl);
1.43      schwarze  884:
1.47      schwarze  885:        /* Maybe we are inside an enclosing list? */
                    886:        if (NULL != n->parent->next)
                    887:                mid_it();
1.13      schwarze  888: }
                    889:
                    890: static int
1.27      schwarze  891: pre_bf(DECL_ARGS)
                    892: {
                    893:
                    894:        switch (n->type) {
1.89      schwarze  895:        case ROFFT_BLOCK:
1.94      schwarze  896:                return 1;
1.89      schwarze  897:        case ROFFT_BODY:
1.27      schwarze  898:                break;
                    899:        default:
1.94      schwarze  900:                return 0;
1.27      schwarze  901:        }
                    902:        switch (n->norm->Bf.font) {
1.62      schwarze  903:        case FONT_Em:
1.27      schwarze  904:                font_push('I');
                    905:                break;
1.62      schwarze  906:        case FONT_Sy:
1.27      schwarze  907:                font_push('B');
                    908:                break;
                    909:        default:
                    910:                font_push('R');
                    911:                break;
                    912:        }
1.94      schwarze  913:        return 1;
1.27      schwarze  914: }
                    915:
                    916: static void
                    917: post_bf(DECL_ARGS)
                    918: {
                    919:
1.89      schwarze  920:        if (n->type == ROFFT_BODY)
1.27      schwarze  921:                font_pop();
                    922: }
                    923:
                    924: static int
1.13      schwarze  925: pre_bk(DECL_ARGS)
                    926: {
                    927:
                    928:        switch (n->type) {
1.89      schwarze  929:        case ROFFT_BLOCK:
1.94      schwarze  930:                return 1;
1.89      schwarze  931:        case ROFFT_BODY:
1.20      schwarze  932:                outflags |= MMAN_Bk;
1.94      schwarze  933:                return 1;
1.13      schwarze  934:        default:
1.94      schwarze  935:                return 0;
1.13      schwarze  936:        }
                    937: }
                    938:
                    939: static void
                    940: post_bk(DECL_ARGS)
                    941: {
                    942:
1.89      schwarze  943:        if (n->type == ROFFT_BODY)
1.20      schwarze  944:                outflags &= ~MMAN_Bk;
1.3       schwarze  945: }
                    946:
                    947: static int
1.30      schwarze  948: pre_bl(DECL_ARGS)
                    949: {
1.33      schwarze  950:        size_t           icol;
1.30      schwarze  951:
1.49      schwarze  952:        /*
                    953:         * print_offs() will increase the -offset to account for
                    954:         * a possible enclosing .It, but any enclosed .It blocks
                    955:         * just nest and do not add up their indentation.
                    956:         */
                    957:        if (n->norm->Bl.offs) {
1.71      schwarze  958:                print_offs(n->norm->Bl.offs, 0);
1.49      schwarze  959:                Bl_stack[Bl_stack_len++] = 0;
                    960:        }
                    961:
1.33      schwarze  962:        switch (n->norm->Bl.type) {
1.62      schwarze  963:        case LIST_enum:
1.30      schwarze  964:                n->norm->Bl.count = 0;
1.94      schwarze  965:                return 1;
1.62      schwarze  966:        case LIST_column:
1.33      schwarze  967:                break;
                    968:        default:
1.94      schwarze  969:                return 1;
1.33      schwarze  970:        }
                    971:
1.96      schwarze  972:        if (n->child != NULL) {
1.83      schwarze  973:                print_line(".TS", MMAN_nl);
                    974:                for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                    975:                        print_word("l");
                    976:                print_word(".");
                    977:        }
1.36      schwarze  978:        outflags |= MMAN_nl;
1.94      schwarze  979:        return 1;
1.30      schwarze  980: }
                    981:
                    982: static void
                    983: post_bl(DECL_ARGS)
                    984: {
                    985:
1.33      schwarze  986:        switch (n->norm->Bl.type) {
1.62      schwarze  987:        case LIST_column:
1.96      schwarze  988:                if (n->child != NULL)
1.83      schwarze  989:                        print_line(".TE", 0);
1.36      schwarze  990:                break;
1.62      schwarze  991:        case LIST_enum:
1.33      schwarze  992:                n->norm->Bl.count = 0;
                    993:                break;
                    994:        default:
                    995:                break;
                    996:        }
1.49      schwarze  997:
                    998:        if (n->norm->Bl.offs) {
                    999:                print_line(".RE", MMAN_nl);
                   1000:                assert(Bl_stack_len);
                   1001:                Bl_stack_len--;
                   1002:                assert(0 == Bl_stack[Bl_stack_len]);
                   1003:        } else {
                   1004:                outflags |= MMAN_PP | MMAN_nl;
                   1005:                outflags &= ~(MMAN_sp | MMAN_br);
                   1006:        }
1.47      schwarze 1007:
                   1008:        /* Maybe we are inside an enclosing list? */
                   1009:        if (NULL != n->parent->next)
                   1010:                mid_it();
                   1011:
1.30      schwarze 1012: }
                   1013:
                   1014: static int
1.3       schwarze 1015: pre_br(DECL_ARGS)
                   1016: {
                   1017:
1.21      schwarze 1018:        outflags |= MMAN_br;
1.94      schwarze 1019:        return 0;
1.8       schwarze 1020: }
                   1021:
                   1022: static int
1.1       schwarze 1023: pre_dl(DECL_ARGS)
                   1024: {
                   1025:
1.71      schwarze 1026:        print_offs("6n", 0);
1.94      schwarze 1027:        return 1;
1.1       schwarze 1028: }
                   1029:
                   1030: static void
                   1031: post_dl(DECL_ARGS)
                   1032: {
                   1033:
1.36      schwarze 1034:        print_line(".RE", MMAN_nl);
1.47      schwarze 1035:
                   1036:        /* Maybe we are inside an enclosing list? */
                   1037:        if (NULL != n->parent->next)
                   1038:                mid_it();
1.16      schwarze 1039: }
                   1040:
                   1041: static int
1.26      schwarze 1042: pre_em(DECL_ARGS)
                   1043: {
                   1044:
                   1045:        font_push('I');
1.94      schwarze 1046:        return 1;
1.28      schwarze 1047: }
                   1048:
1.64      schwarze 1049: static int
                   1050: pre_en(DECL_ARGS)
                   1051: {
                   1052:
                   1053:        if (NULL == n->norm->Es ||
                   1054:            NULL == n->norm->Es->child)
1.94      schwarze 1055:                return 1;
1.64      schwarze 1056:
                   1057:        print_word(n->norm->Es->child->string);
                   1058:        outflags &= ~MMAN_spc;
1.94      schwarze 1059:        return 1;
1.64      schwarze 1060: }
                   1061:
                   1062: static void
                   1063: post_en(DECL_ARGS)
                   1064: {
                   1065:
                   1066:        if (NULL == n->norm->Es ||
                   1067:            NULL == n->norm->Es->child ||
                   1068:            NULL == n->norm->Es->child->next)
                   1069:                return;
                   1070:
                   1071:        outflags &= ~MMAN_spc;
                   1072:        print_word(n->norm->Es->child->next->string);
                   1073:        return;
                   1074: }
                   1075:
1.76      schwarze 1076: static int
                   1077: pre_eo(DECL_ARGS)
                   1078: {
                   1079:
1.84      schwarze 1080:        if (n->end == ENDBODY_NOT &&
                   1081:            n->parent->head->child == NULL &&
                   1082:            n->child != NULL &&
                   1083:            n->child->end != ENDBODY_NOT)
                   1084:                print_word("\\&");
                   1085:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.86      schwarze 1086:            n->parent->head->child != NULL && (n->child != NULL ||
                   1087:            (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.84      schwarze 1088:                outflags &= ~(MMAN_spc | MMAN_nl);
1.94      schwarze 1089:        return 1;
1.76      schwarze 1090: }
                   1091:
1.28      schwarze 1092: static void
                   1093: post_eo(DECL_ARGS)
                   1094: {
1.84      schwarze 1095:        int      body, tail;
                   1096:
                   1097:        if (n->end != ENDBODY_NOT) {
                   1098:                outflags |= MMAN_spc;
                   1099:                return;
                   1100:        }
1.28      schwarze 1101:
1.84      schwarze 1102:        body = n->child != NULL || n->parent->head->child != NULL;
                   1103:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1104:
                   1105:        if (body && tail)
1.28      schwarze 1106:                outflags &= ~MMAN_spc;
1.84      schwarze 1107:        else if ( ! (body || tail))
                   1108:                print_word("\\&");
                   1109:        else if ( ! tail)
                   1110:                outflags |= MMAN_spc;
1.64      schwarze 1111: }
                   1112:
                   1113: static int
1.17      schwarze 1114: pre_fa(DECL_ARGS)
                   1115: {
1.57      schwarze 1116:        int      am_Fa;
1.17      schwarze 1117:
1.57      schwarze 1118:        am_Fa = MDOC_Fa == n->tok;
                   1119:
                   1120:        if (am_Fa)
1.17      schwarze 1121:                n = n->child;
                   1122:
                   1123:        while (NULL != n) {
1.26      schwarze 1124:                font_push('I');
1.98      schwarze 1125:                if (am_Fa || NODE_SYNPRETTY & n->flags)
1.56      schwarze 1126:                        outflags |= MMAN_nbrword;
1.42      schwarze 1127:                print_node(meta, n);
1.26      schwarze 1128:                font_pop();
1.17      schwarze 1129:                if (NULL != (n = n->next))
1.20      schwarze 1130:                        print_word(",");
1.17      schwarze 1131:        }
1.94      schwarze 1132:        return 0;
1.17      schwarze 1133: }
                   1134:
                   1135: static void
                   1136: post_fa(DECL_ARGS)
                   1137: {
                   1138:
                   1139:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20      schwarze 1140:                print_word(",");
1.29      schwarze 1141: }
                   1142:
                   1143: static int
                   1144: pre_fd(DECL_ARGS)
                   1145: {
                   1146:
                   1147:        pre_syn(n);
                   1148:        font_push('B');
1.94      schwarze 1149:        return 1;
1.29      schwarze 1150: }
                   1151:
                   1152: static void
                   1153: post_fd(DECL_ARGS)
                   1154: {
                   1155:
                   1156:        font_pop();
                   1157:        outflags |= MMAN_br;
1.17      schwarze 1158: }
                   1159:
                   1160: static int
1.26      schwarze 1161: pre_fl(DECL_ARGS)
                   1162: {
                   1163:
                   1164:        font_push('B');
1.45      schwarze 1165:        print_word("\\-");
1.96      schwarze 1166:        if (n->child != NULL)
1.70      schwarze 1167:                outflags &= ~MMAN_spc;
1.94      schwarze 1168:        return 1;
1.26      schwarze 1169: }
                   1170:
                   1171: static void
                   1172: post_fl(DECL_ARGS)
                   1173: {
                   1174:
                   1175:        font_pop();
1.96      schwarze 1176:        if (!(n->child != NULL ||
1.70      schwarze 1177:            n->next == NULL ||
1.89      schwarze 1178:            n->next->type == ROFFT_TEXT ||
1.98      schwarze 1179:            n->next->flags & NODE_LINE))
1.26      schwarze 1180:                outflags &= ~MMAN_spc;
                   1181: }
                   1182:
                   1183: static int
1.16      schwarze 1184: pre_fn(DECL_ARGS)
                   1185: {
                   1186:
1.23      schwarze 1187:        pre_syn(n);
                   1188:
1.16      schwarze 1189:        n = n->child;
                   1190:        if (NULL == n)
1.94      schwarze 1191:                return 0;
1.16      schwarze 1192:
1.98      schwarze 1193:        if (NODE_SYNPRETTY & n->flags)
1.55      schwarze 1194:                print_block(".HP 4n", MMAN_nl);
                   1195:
1.26      schwarze 1196:        font_push('B');
1.42      schwarze 1197:        print_node(meta, n);
1.26      schwarze 1198:        font_pop();
1.20      schwarze 1199:        outflags &= ~MMAN_spc;
1.26      schwarze 1200:        print_word("(");
1.20      schwarze 1201:        outflags &= ~MMAN_spc;
1.35      schwarze 1202:
                   1203:        n = n->next;
                   1204:        if (NULL != n)
1.42      schwarze 1205:                pre_fa(meta, n);
1.94      schwarze 1206:        return 0;
1.16      schwarze 1207: }
                   1208:
                   1209: static void
                   1210: post_fn(DECL_ARGS)
                   1211: {
                   1212:
1.20      schwarze 1213:        print_word(")");
1.98      schwarze 1214:        if (NODE_SYNPRETTY & n->flags) {
1.20      schwarze 1215:                print_word(";");
1.55      schwarze 1216:                outflags |= MMAN_PP;
1.17      schwarze 1217:        }
                   1218: }
                   1219:
                   1220: static int
                   1221: pre_fo(DECL_ARGS)
                   1222: {
                   1223:
                   1224:        switch (n->type) {
1.89      schwarze 1225:        case ROFFT_BLOCK:
1.23      schwarze 1226:                pre_syn(n);
                   1227:                break;
1.89      schwarze 1228:        case ROFFT_HEAD:
1.85      schwarze 1229:                if (n->child == NULL)
1.94      schwarze 1230:                        return 0;
1.98      schwarze 1231:                if (NODE_SYNPRETTY & n->flags)
1.57      schwarze 1232:                        print_block(".HP 4n", MMAN_nl);
1.26      schwarze 1233:                font_push('B');
1.17      schwarze 1234:                break;
1.89      schwarze 1235:        case ROFFT_BODY:
1.85      schwarze 1236:                outflags &= ~(MMAN_spc | MMAN_nl);
1.20      schwarze 1237:                print_word("(");
                   1238:                outflags &= ~MMAN_spc;
1.17      schwarze 1239:                break;
                   1240:        default:
                   1241:                break;
                   1242:        }
1.94      schwarze 1243:        return 1;
1.17      schwarze 1244: }
1.57      schwarze 1245:
1.17      schwarze 1246: static void
                   1247: post_fo(DECL_ARGS)
                   1248: {
                   1249:
                   1250:        switch (n->type) {
1.89      schwarze 1251:        case ROFFT_HEAD:
1.85      schwarze 1252:                if (n->child != NULL)
                   1253:                        font_pop();
1.17      schwarze 1254:                break;
1.89      schwarze 1255:        case ROFFT_BODY:
1.42      schwarze 1256:                post_fn(meta, n);
1.17      schwarze 1257:                break;
                   1258:        default:
                   1259:                break;
1.16      schwarze 1260:        }
1.15      schwarze 1261: }
                   1262:
                   1263: static int
1.23      schwarze 1264: pre_ft(DECL_ARGS)
                   1265: {
                   1266:
                   1267:        pre_syn(n);
1.26      schwarze 1268:        font_push('I');
1.94      schwarze 1269:        return 1;
1.23      schwarze 1270: }
                   1271:
                   1272: static int
1.15      schwarze 1273: pre_in(DECL_ARGS)
                   1274: {
                   1275:
1.98      schwarze 1276:        if (NODE_SYNPRETTY & n->flags) {
1.23      schwarze 1277:                pre_syn(n);
1.26      schwarze 1278:                font_push('B');
                   1279:                print_word("#include <");
                   1280:                outflags &= ~MMAN_spc;
                   1281:        } else {
                   1282:                print_word("<");
                   1283:                outflags &= ~MMAN_spc;
                   1284:                font_push('I');
                   1285:        }
1.94      schwarze 1286:        return 1;
1.15      schwarze 1287: }
                   1288:
                   1289: static void
                   1290: post_in(DECL_ARGS)
                   1291: {
                   1292:
1.98      schwarze 1293:        if (NODE_SYNPRETTY & n->flags) {
1.26      schwarze 1294:                outflags &= ~MMAN_spc;
                   1295:                print_word(">");
                   1296:                font_pop();
1.21      schwarze 1297:                outflags |= MMAN_br;
1.26      schwarze 1298:        } else {
                   1299:                font_pop();
                   1300:                outflags &= ~MMAN_spc;
                   1301:                print_word(">");
                   1302:        }
1.1       schwarze 1303: }
                   1304:
                   1305: static int
                   1306: pre_it(DECL_ARGS)
                   1307: {
1.90      schwarze 1308:        const struct roff_node *bln;
1.1       schwarze 1309:
1.30      schwarze 1310:        switch (n->type) {
1.89      schwarze 1311:        case ROFFT_HEAD:
1.36      schwarze 1312:                outflags |= MMAN_PP | MMAN_nl;
1.30      schwarze 1313:                bln = n->parent->parent;
1.36      schwarze 1314:                if (0 == bln->norm->Bl.comp ||
1.39      schwarze 1315:                    (NULL == n->parent->prev &&
                   1316:                     NULL == bln->parent->prev))
1.36      schwarze 1317:                        outflags |= MMAN_sp;
                   1318:                outflags &= ~MMAN_br;
1.3       schwarze 1319:                switch (bln->norm->Bl.type) {
1.62      schwarze 1320:                case LIST_item:
1.94      schwarze 1321:                        return 0;
1.62      schwarze 1322:                case LIST_inset:
                   1323:                case LIST_diag:
                   1324:                case LIST_ohang:
1.30      schwarze 1325:                        if (bln->norm->Bl.type == LIST_diag)
1.36      schwarze 1326:                                print_line(".B \"", 0);
1.30      schwarze 1327:                        else
1.36      schwarze 1328:                                print_line(".R \"", 0);
1.30      schwarze 1329:                        outflags &= ~MMAN_spc;
1.94      schwarze 1330:                        return 1;
1.62      schwarze 1331:                case LIST_bullet:
                   1332:                case LIST_dash:
                   1333:                case LIST_hyphen:
1.81      schwarze 1334:                        print_width(&bln->norm->Bl, NULL);
1.37      schwarze 1335:                        TPremain = 0;
1.30      schwarze 1336:                        outflags |= MMAN_nl;
                   1337:                        font_push('B');
                   1338:                        if (LIST_bullet == bln->norm->Bl.type)
1.72      schwarze 1339:                                print_word("\\(bu");
1.30      schwarze 1340:                        else
                   1341:                                print_word("-");
                   1342:                        font_pop();
1.66      schwarze 1343:                        outflags |= MMAN_nl;
1.94      schwarze 1344:                        return 0;
1.62      schwarze 1345:                case LIST_enum:
1.81      schwarze 1346:                        print_width(&bln->norm->Bl, NULL);
1.37      schwarze 1347:                        TPremain = 0;
1.30      schwarze 1348:                        outflags |= MMAN_nl;
                   1349:                        print_count(&bln->norm->Bl.count);
1.66      schwarze 1350:                        outflags |= MMAN_nl;
1.94      schwarze 1351:                        return 0;
1.62      schwarze 1352:                case LIST_hang:
1.81      schwarze 1353:                        print_width(&bln->norm->Bl, n->child);
1.37      schwarze 1354:                        TPremain = 0;
1.66      schwarze 1355:                        outflags |= MMAN_nl;
1.94      schwarze 1356:                        return 1;
1.62      schwarze 1357:                case LIST_tag:
1.81      schwarze 1358:                        print_width(&bln->norm->Bl, n->child);
1.37      schwarze 1359:                        putchar('\n');
                   1360:                        outflags &= ~MMAN_spc;
1.94      schwarze 1361:                        return 1;
1.3       schwarze 1362:                default:
1.94      schwarze 1363:                        return 1;
1.3       schwarze 1364:                }
1.30      schwarze 1365:        default:
                   1366:                break;
1.1       schwarze 1367:        }
1.94      schwarze 1368:        return 1;
1.30      schwarze 1369: }
                   1370:
1.47      schwarze 1371: /*
                   1372:  * This function is called after closing out an indented block.
                   1373:  * If we are inside an enclosing list, restore its indentation.
                   1374:  */
                   1375: static void
                   1376: mid_it(void)
                   1377: {
                   1378:        char             buf[24];
                   1379:
                   1380:        /* Nothing to do outside a list. */
                   1381:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
                   1382:                return;
                   1383:
                   1384:        /* The indentation has already been set up. */
                   1385:        if (Bl_stack_post[Bl_stack_len - 1])
                   1386:                return;
                   1387:
                   1388:        /* Restore the indentation of the enclosing list. */
                   1389:        print_line(".RS", MMAN_Bk_susp);
1.81      schwarze 1390:        (void)snprintf(buf, sizeof(buf), "%dn",
1.63      schwarze 1391:            Bl_stack[Bl_stack_len - 1]);
1.47      schwarze 1392:        print_word(buf);
                   1393:
                   1394:        /* Remeber to close out this .RS block later. */
                   1395:        Bl_stack_post[Bl_stack_len - 1] = 1;
                   1396: }
                   1397:
1.30      schwarze 1398: static void
                   1399: post_it(DECL_ARGS)
                   1400: {
1.90      schwarze 1401:        const struct roff_node *bln;
1.30      schwarze 1402:
1.33      schwarze 1403:        bln = n->parent->parent;
                   1404:
                   1405:        switch (n->type) {
1.89      schwarze 1406:        case ROFFT_HEAD:
1.30      schwarze 1407:                switch (bln->norm->Bl.type) {
1.62      schwarze 1408:                case LIST_diag:
1.30      schwarze 1409:                        outflags &= ~MMAN_spc;
                   1410:                        print_word("\\ ");
                   1411:                        break;
1.62      schwarze 1412:                case LIST_ohang:
1.30      schwarze 1413:                        outflags |= MMAN_br;
                   1414:                        break;
                   1415:                default:
                   1416:                        break;
                   1417:                }
1.33      schwarze 1418:                break;
1.89      schwarze 1419:        case ROFFT_BODY:
1.43      schwarze 1420:                switch (bln->norm->Bl.type) {
1.62      schwarze 1421:                case LIST_bullet:
                   1422:                case LIST_dash:
                   1423:                case LIST_hyphen:
                   1424:                case LIST_enum:
                   1425:                case LIST_hang:
                   1426:                case LIST_tag:
1.43      schwarze 1427:                        assert(Bl_stack_len);
                   1428:                        Bl_stack[--Bl_stack_len] = 0;
                   1429:
                   1430:                        /*
                   1431:                         * Our indentation had to be restored
1.47      schwarze 1432:                         * after a child display or child list.
1.43      schwarze 1433:                         * Close out that indentation block now.
                   1434:                         */
                   1435:                        if (Bl_stack_post[Bl_stack_len]) {
                   1436:                                print_line(".RE", MMAN_nl);
                   1437:                                Bl_stack_post[Bl_stack_len] = 0;
                   1438:                        }
                   1439:                        break;
1.62      schwarze 1440:                case LIST_column:
1.43      schwarze 1441:                        if (NULL != n->next) {
                   1442:                                putchar('\t');
                   1443:                                outflags &= ~MMAN_spc;
                   1444:                        }
                   1445:                        break;
                   1446:                default:
                   1447:                        break;
1.33      schwarze 1448:                }
                   1449:                break;
                   1450:        default:
                   1451:                break;
1.30      schwarze 1452:        }
1.14      schwarze 1453: }
                   1454:
                   1455: static void
                   1456: post_lb(DECL_ARGS)
                   1457: {
                   1458:
1.21      schwarze 1459:        if (SEC_LIBRARY == n->sec)
                   1460:                outflags |= MMAN_br;
1.24      schwarze 1461: }
                   1462:
                   1463: static int
                   1464: pre_lk(DECL_ARGS)
                   1465: {
1.90      schwarze 1466:        const struct roff_node *link, *descr;
1.24      schwarze 1467:
                   1468:        if (NULL == (link = n->child))
1.94      schwarze 1469:                return 0;
1.24      schwarze 1470:
                   1471:        if (NULL != (descr = link->next)) {
1.26      schwarze 1472:                font_push('I');
1.24      schwarze 1473:                while (NULL != descr) {
                   1474:                        print_word(descr->string);
                   1475:                        descr = descr->next;
                   1476:                }
1.106   ! schwarze 1477:                font_pop();
1.24      schwarze 1478:                print_word(":");
                   1479:        }
                   1480:
1.26      schwarze 1481:        font_push('B');
1.24      schwarze 1482:        print_word(link->string);
1.26      schwarze 1483:        font_pop();
1.94      schwarze 1484:        return 0;
1.60      schwarze 1485: }
                   1486:
                   1487: static int
                   1488: pre_ll(DECL_ARGS)
                   1489: {
                   1490:
                   1491:        print_line(".ll", 0);
1.94      schwarze 1492:        return 1;
1.1       schwarze 1493: }
                   1494:
                   1495: static int
1.26      schwarze 1496: pre_li(DECL_ARGS)
                   1497: {
                   1498:
                   1499:        font_push('R');
1.94      schwarze 1500:        return 1;
1.26      schwarze 1501: }
                   1502:
                   1503: static int
1.1       schwarze 1504: pre_nm(DECL_ARGS)
                   1505: {
1.38      schwarze 1506:        char    *name;
1.1       schwarze 1507:
1.89      schwarze 1508:        if (n->type == ROFFT_BLOCK) {
1.54      schwarze 1509:                outflags |= MMAN_Bk;
1.23      schwarze 1510:                pre_syn(n);
1.54      schwarze 1511:        }
1.89      schwarze 1512:        if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
1.94      schwarze 1513:                return 1;
1.102     schwarze 1514:        name = n->child == NULL ? NULL : n->child->string;
1.38      schwarze 1515:        if (NULL == name)
1.94      schwarze 1516:                return 0;
1.89      schwarze 1517:        if (n->type == ROFFT_HEAD) {
1.38      schwarze 1518:                if (NULL == n->parent->prev)
                   1519:                        outflags |= MMAN_sp;
                   1520:                print_block(".HP", 0);
1.53      schwarze 1521:                printf(" %zun", strlen(name) + 1);
1.38      schwarze 1522:                outflags |= MMAN_nl;
                   1523:        }
1.26      schwarze 1524:        font_push('B');
1.94      schwarze 1525:        return 1;
1.1       schwarze 1526: }
                   1527:
                   1528: static void
                   1529: post_nm(DECL_ARGS)
                   1530: {
                   1531:
1.54      schwarze 1532:        switch (n->type) {
1.89      schwarze 1533:        case ROFFT_BLOCK:
1.54      schwarze 1534:                outflags &= ~MMAN_Bk;
                   1535:                break;
1.89      schwarze 1536:        case ROFFT_HEAD:
                   1537:        case ROFFT_ELEM:
1.102     schwarze 1538:                if (n->child != NULL && n->child->string != NULL)
1.67      schwarze 1539:                        font_pop();
1.54      schwarze 1540:                break;
                   1541:        default:
                   1542:                break;
                   1543:        }
1.25      schwarze 1544: }
                   1545:
                   1546: static int
                   1547: pre_no(DECL_ARGS)
                   1548: {
                   1549:
                   1550:        outflags |= MMAN_spc_force;
1.94      schwarze 1551:        return 1;
1.1       schwarze 1552: }
                   1553:
                   1554: static int
                   1555: pre_ns(DECL_ARGS)
                   1556: {
                   1557:
1.20      schwarze 1558:        outflags &= ~MMAN_spc;
1.94      schwarze 1559:        return 0;
1.1       schwarze 1560: }
                   1561:
1.3       schwarze 1562: static void
                   1563: post_pf(DECL_ARGS)
                   1564: {
                   1565:
1.98      schwarze 1566:        if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.77      schwarze 1567:                outflags &= ~MMAN_spc;
1.3       schwarze 1568: }
                   1569:
1.1       schwarze 1570: static int
                   1571: pre_pp(DECL_ARGS)
                   1572: {
                   1573:
1.36      schwarze 1574:        if (MDOC_It != n->parent->tok)
                   1575:                outflags |= MMAN_PP;
                   1576:        outflags |= MMAN_sp | MMAN_nl;
                   1577:        outflags &= ~MMAN_br;
1.94      schwarze 1578:        return 0;
1.34      schwarze 1579: }
                   1580:
                   1581: static int
                   1582: pre_rs(DECL_ARGS)
                   1583: {
                   1584:
                   1585:        if (SEC_SEE_ALSO == n->sec) {
1.36      schwarze 1586:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1587:                outflags &= ~MMAN_br;
1.34      schwarze 1588:        }
1.94      schwarze 1589:        return 1;
1.67      schwarze 1590: }
                   1591:
                   1592: static int
1.75      schwarze 1593: pre_skip(DECL_ARGS)
                   1594: {
                   1595:
1.94      schwarze 1596:        return 0;
1.12      schwarze 1597: }
                   1598:
                   1599: static int
                   1600: pre_sm(DECL_ARGS)
                   1601: {
                   1602:
1.65      schwarze 1603:        if (NULL == n->child)
                   1604:                outflags ^= MMAN_Sm;
                   1605:        else if (0 == strcmp("on", n->child->string))
                   1606:                outflags |= MMAN_Sm;
1.12      schwarze 1607:        else
1.20      schwarze 1608:                outflags &= ~MMAN_Sm;
1.65      schwarze 1609:
                   1610:        if (MMAN_Sm & outflags)
                   1611:                outflags |= MMAN_spc;
                   1612:
1.94      schwarze 1613:        return 0;
1.1       schwarze 1614: }
                   1615:
                   1616: static int
1.3       schwarze 1617: pre_sp(DECL_ARGS)
1.1       schwarze 1618: {
                   1619:
1.41      schwarze 1620:        if (MMAN_PP & outflags) {
                   1621:                outflags &= ~MMAN_PP;
1.40      schwarze 1622:                print_line(".PP", 0);
1.41      schwarze 1623:        } else
1.40      schwarze 1624:                print_line(".sp", 0);
1.94      schwarze 1625:        return 1;
1.1       schwarze 1626: }
                   1627:
                   1628: static void
1.3       schwarze 1629: post_sp(DECL_ARGS)
1.1       schwarze 1630: {
                   1631:
1.20      schwarze 1632:        outflags |= MMAN_nl;
1.18      schwarze 1633: }
                   1634:
                   1635: static int
1.26      schwarze 1636: pre_sy(DECL_ARGS)
                   1637: {
                   1638:
                   1639:        font_push('B');
1.94      schwarze 1640:        return 1;
1.26      schwarze 1641: }
                   1642:
                   1643: static int
1.18      schwarze 1644: pre_vt(DECL_ARGS)
                   1645: {
                   1646:
1.98      schwarze 1647:        if (NODE_SYNPRETTY & n->flags) {
1.18      schwarze 1648:                switch (n->type) {
1.89      schwarze 1649:                case ROFFT_BLOCK:
1.23      schwarze 1650:                        pre_syn(n);
1.94      schwarze 1651:                        return 1;
1.89      schwarze 1652:                case ROFFT_BODY:
1.18      schwarze 1653:                        break;
                   1654:                default:
1.94      schwarze 1655:                        return 0;
1.18      schwarze 1656:                }
                   1657:        }
1.26      schwarze 1658:        font_push('I');
1.94      schwarze 1659:        return 1;
1.18      schwarze 1660: }
                   1661:
                   1662: static void
                   1663: post_vt(DECL_ARGS)
                   1664: {
                   1665:
1.98      schwarze 1666:        if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY)
1.18      schwarze 1667:                return;
1.26      schwarze 1668:        font_pop();
1.1       schwarze 1669: }
                   1670:
                   1671: static int
                   1672: pre_xr(DECL_ARGS)
                   1673: {
                   1674:
                   1675:        n = n->child;
                   1676:        if (NULL == n)
1.94      schwarze 1677:                return 0;
1.42      schwarze 1678:        print_node(meta, n);
1.1       schwarze 1679:        n = n->next;
                   1680:        if (NULL == n)
1.94      schwarze 1681:                return 0;
1.20      schwarze 1682:        outflags &= ~MMAN_spc;
                   1683:        print_word("(");
1.42      schwarze 1684:        print_node(meta, n);
1.20      schwarze 1685:        print_word(")");
1.94      schwarze 1686:        return 0;
1.1       schwarze 1687: }

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