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Annotation of src/usr.bin/mandoc/mdoc_man.c, Revision 1.113

1.113   ! schwarze    1: /*     $OpenBSD: mdoc_man.c,v 1.112 2017/05/07 17:30:58 schwarze Exp $ */
1.1       schwarze    2: /*
1.95      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:  */
1.69      schwarze   17: #include <sys/types.h>
                     18:
1.9       schwarze   19: #include <assert.h>
1.1       schwarze   20: #include <stdio.h>
1.108     schwarze   21: #include <stdlib.h>
1.1       schwarze   22: #include <string.h>
                     23:
1.87      schwarze   24: #include "mandoc_aux.h"
1.1       schwarze   25: #include "mandoc.h"
1.87      schwarze   26: #include "roff.h"
                     27: #include "mdoc.h"
                     28: #include "man.h"
1.8       schwarze   29: #include "out.h"
1.1       schwarze   30: #include "main.h"
                     31:
1.89      schwarze   32: #define        DECL_ARGS const struct roff_meta *meta, struct roff_node *n
1.1       schwarze   33:
1.110     schwarze   34: typedef        int     (*int_fp)(DECL_ARGS);
                     35: typedef        void    (*void_fp)(DECL_ARGS);
                     36:
1.1       schwarze   37: struct manact {
1.110     schwarze   38:        int_fp            cond; /* DON'T run actions */
                     39:        int_fp            pre; /* pre-node action */
                     40:        void_fp           post; /* post-node action */
1.4       schwarze   41:        const char       *prefix; /* pre-node string constant */
                     42:        const char       *suffix; /* post-node string constant */
1.1       schwarze   43: };
                     44:
1.4       schwarze   45: static int       cond_body(DECL_ARGS);
1.1       schwarze   46: static int       cond_head(DECL_ARGS);
1.24      schwarze   47: static  void     font_push(char);
                     48: static void      font_pop(void);
1.106     schwarze   49: static int       man_strlen(const char *);
1.46      schwarze   50: static void      mid_it(void);
1.32      schwarze   51: static void      post__t(DECL_ARGS);
1.72      schwarze   52: static void      post_aq(DECL_ARGS);
1.4       schwarze   53: static void      post_bd(DECL_ARGS);
1.25      schwarze   54: static void      post_bf(DECL_ARGS);
1.10      schwarze   55: static void      post_bk(DECL_ARGS);
1.28      schwarze   56: static void      post_bl(DECL_ARGS);
1.4       schwarze   57: static void      post_dl(DECL_ARGS);
1.63      schwarze   58: static void      post_en(DECL_ARGS);
1.1       schwarze   59: static void      post_enc(DECL_ARGS);
1.26      schwarze   60: static void      post_eo(DECL_ARGS);
1.14      schwarze   61: static void      post_fa(DECL_ARGS);
1.27      schwarze   62: static void      post_fd(DECL_ARGS);
1.24      schwarze   63: static void      post_fl(DECL_ARGS);
1.13      schwarze   64: static void      post_fn(DECL_ARGS);
1.14      schwarze   65: static void      post_fo(DECL_ARGS);
1.24      schwarze   66: static void      post_font(DECL_ARGS);
1.12      schwarze   67: static void      post_in(DECL_ARGS);
1.28      schwarze   68: static void      post_it(DECL_ARGS);
1.11      schwarze   69: static void      post_lb(DECL_ARGS);
1.4       schwarze   70: static void      post_nm(DECL_ARGS);
1.1       schwarze   71: static void      post_percent(DECL_ARGS);
1.4       schwarze   72: static void      post_pf(DECL_ARGS);
1.3       schwarze   73: static void      post_sect(DECL_ARGS);
1.15      schwarze   74: static void      post_vt(DECL_ARGS);
1.32      schwarze   75: static int       pre__t(DECL_ARGS);
1.20      schwarze   76: static int       pre_an(DECL_ARGS);
1.3       schwarze   77: static int       pre_ap(DECL_ARGS);
1.72      schwarze   78: static int       pre_aq(DECL_ARGS);
1.3       schwarze   79: static int       pre_bd(DECL_ARGS);
1.25      schwarze   80: static int       pre_bf(DECL_ARGS);
1.10      schwarze   81: static int       pre_bk(DECL_ARGS);
1.28      schwarze   82: static int       pre_bl(DECL_ARGS);
1.110     schwarze   83: static void      pre_br(DECL_ARGS);
1.1       schwarze   84: static int       pre_dl(DECL_ARGS);
1.63      schwarze   85: static int       pre_en(DECL_ARGS);
1.4       schwarze   86: static int       pre_enc(DECL_ARGS);
1.24      schwarze   87: static int       pre_em(DECL_ARGS);
1.73      schwarze   88: static int       pre_skip(DECL_ARGS);
1.74      schwarze   89: static int       pre_eo(DECL_ARGS);
1.66      schwarze   90: static int       pre_ex(DECL_ARGS);
1.14      schwarze   91: static int       pre_fa(DECL_ARGS);
1.27      schwarze   92: static int       pre_fd(DECL_ARGS);
1.24      schwarze   93: static int       pre_fl(DECL_ARGS);
1.13      schwarze   94: static int       pre_fn(DECL_ARGS);
1.14      schwarze   95: static int       pre_fo(DECL_ARGS);
1.110     schwarze   96: static void      pre_ft(DECL_ARGS);
1.109     schwarze   97: static int       pre_Ft(DECL_ARGS);
1.12      schwarze   98: static int       pre_in(DECL_ARGS);
1.1       schwarze   99: static int       pre_it(DECL_ARGS);
1.22      schwarze  100: static int       pre_lk(DECL_ARGS);
1.24      schwarze  101: static int       pre_li(DECL_ARGS);
1.1       schwarze  102: static int       pre_nm(DECL_ARGS);
1.23      schwarze  103: static int       pre_no(DECL_ARGS);
1.1       schwarze  104: static int       pre_ns(DECL_ARGS);
1.113   ! schwarze  105: static void      pre_onearg(DECL_ARGS);
1.1       schwarze  106: static int       pre_pp(DECL_ARGS);
1.32      schwarze  107: static int       pre_rs(DECL_ARGS);
1.9       schwarze  108: static int       pre_sm(DECL_ARGS);
1.111     schwarze  109: static void      pre_sp(DECL_ARGS);
1.4       schwarze  110: static int       pre_sect(DECL_ARGS);
1.24      schwarze  111: static int       pre_sy(DECL_ARGS);
1.88      schwarze  112: static void      pre_syn(const struct roff_node *);
1.112     schwarze  113: static void      pre_ta(DECL_ARGS);
1.15      schwarze  114: static int       pre_vt(DECL_ARGS);
1.1       schwarze  115: static int       pre_xr(DECL_ARGS);
1.18      schwarze  116: static void      print_word(const char *);
1.34      schwarze  117: static void      print_line(const char *, int);
                    118: static void      print_block(const char *, int);
1.69      schwarze  119: static void      print_offs(const char *, int);
1.79      schwarze  120: static void      print_width(const struct mdoc_bl *,
1.88      schwarze  121:                        const struct roff_node *);
1.28      schwarze  122: static void      print_count(int *);
1.4       schwarze  123: static void      print_node(DECL_ARGS);
1.1       schwarze  124:
1.110     schwarze  125: static const void_fp roff_manacts[ROFF_MAX] = {
                    126:        pre_br,
                    127:        pre_ft,
1.113   ! schwarze  128:        pre_onearg,
1.111     schwarze  129:        pre_sp,
1.112     schwarze  130:        pre_ta,
1.113   ! schwarze  131:        pre_onearg,
1.110     schwarze  132: };
                    133:
1.107     schwarze  134: static const struct manact __manacts[MDOC_MAX - MDOC_Dd] = {
1.3       schwarze  135:        { NULL, NULL, NULL, NULL, NULL }, /* Dd */
                    136:        { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.5       schwarze  137:        { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3       schwarze  138:        { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
                    139:        { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1       schwarze  140:        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3       schwarze  141:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1       schwarze  142:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3       schwarze  143:        { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
                    144:        { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.28      schwarze  145:        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3       schwarze  146:        { NULL, NULL, NULL, NULL, NULL }, /* El */
1.28      schwarze  147:        { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.24      schwarze  148:        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.20      schwarze  149:        { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.107     schwarze  150:        { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
1.24      schwarze  151:        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
                    152:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
                    153:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
                    154:        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
                    155:        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
                    156:        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.66      schwarze  157:        { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
1.14      schwarze  158:        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.27      schwarze  159:        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.24      schwarze  160:        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.13      schwarze  161:        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.109     schwarze  162:        { NULL, pre_Ft, post_font, NULL, NULL }, /* Ft */
1.24      schwarze  163:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.12      schwarze  164:        { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.24      schwarze  165:        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1       schwarze  166:        { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
                    167:        { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
                    168:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.109     schwarze  169:        { NULL, pre_Ft, post_font, NULL, NULL }, /* Ot */
1.24      schwarze  170:        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.99      schwarze  171:        { NULL, pre_ex, NULL, NULL, NULL }, /* Rv */
1.5       schwarze  172:        { NULL, NULL, NULL, NULL, NULL }, /* St */
1.24      schwarze  173:        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.15      schwarze  174:        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.5       schwarze  175:        { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.32      schwarze  176:        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
                    177:        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
                    178:        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
                    179:        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
                    180:        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
                    181:        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
                    182:        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
                    183:        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
                    184:        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
                    185:        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
                    186:        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.6       schwarze  187:        { NULL, NULL, NULL, NULL, NULL }, /* Ac */
1.72      schwarze  188:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */
                    189:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
1.5       schwarze  190:        { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3       schwarze  191:        { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.25      schwarze  192:        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3       schwarze  193:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
                    194:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.97      schwarze  195:        { NULL, NULL, NULL, NULL, NULL }, /* Bsx */
1.98      schwarze  196:        { NULL, NULL, NULL, NULL, NULL }, /* Bx */
1.73      schwarze  197:        { NULL, pre_skip, NULL, NULL, NULL }, /* Db */
1.6       schwarze  198:        { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.86      schwarze  199:        { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Do */
                    200:        { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Dq */
1.26      schwarze  201:        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
                    202:        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.24      schwarze  203:        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.74      schwarze  204:        { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
1.97      schwarze  205:        { NULL, NULL, NULL, NULL, NULL }, /* Fx */
1.24      schwarze  206:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.23      schwarze  207:        { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1       schwarze  208:        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.97      schwarze  209:        { NULL, NULL, NULL, NULL, NULL }, /* Nx */
                    210:        { NULL, NULL, NULL, NULL, NULL }, /* Ox */
1.3       schwarze  211:        { NULL, NULL, NULL, NULL, NULL }, /* Pc */
                    212:        { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
                    213:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
                    214:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.6       schwarze  215:        { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.50      schwarze  216:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.6       schwarze  217:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
                    218:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
                    219:        { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.32      schwarze  220:        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.6       schwarze  221:        { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.50      schwarze  222:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
                    223:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.9       schwarze  224:        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.24      schwarze  225:        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
                    226:        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
                    227:        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.97      schwarze  228:        { NULL, NULL, NULL, NULL, NULL }, /* Ux */
1.32      schwarze  229:        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
                    230:        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.14      schwarze  231:        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
                    232:        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3       schwarze  233:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.6       schwarze  234:        { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.10      schwarze  235:        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
                    236:        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.99      schwarze  237:        { NULL, NULL, NULL, NULL, NULL }, /* Bt */
1.5       schwarze  238:        { NULL, NULL, NULL, NULL, NULL }, /* Hf */
1.63      schwarze  239:        { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
1.99      schwarze  240:        { NULL, NULL, NULL, NULL, NULL }, /* Ud */
1.11      schwarze  241:        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3       schwarze  242:        { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.22      schwarze  243:        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.24      schwarze  244:        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.6       schwarze  245:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
                    246:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
                    247:        { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.32      schwarze  248:        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.73      schwarze  249:        { NULL, pre_skip, NULL, NULL, NULL }, /* Es */
1.63      schwarze  250:        { cond_body, pre_en, post_en, NULL, NULL }, /* En */
1.97      schwarze  251:        { NULL, NULL, NULL, NULL, NULL }, /* Dx */
1.32      schwarze  252:        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
                    253:        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
                    254:        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.1       schwarze  255: };
1.107     schwarze  256: static const struct manact *const manacts = __manacts - MDOC_Dd;
1.1       schwarze  257:
1.18      schwarze  258: static int             outflags;
1.34      schwarze  259: #define        MMAN_spc        (1 << 0)  /* blank character before next word */
                    260: #define        MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
                    261: #define        MMAN_nl         (1 << 2)  /* break man(7) code line */
                    262: #define        MMAN_br         (1 << 3)  /* break output line */
                    263: #define        MMAN_sp         (1 << 4)  /* insert a blank output line */
                    264: #define        MMAN_PP         (1 << 5)  /* reset indentation etc. */
                    265: #define        MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
                    266: #define        MMAN_Bk         (1 << 7)  /* word keep mode */
1.45      schwarze  267: #define        MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
                    268: #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
                    269: #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
                    270: #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
1.55      schwarze  271: #define        MMAN_nbrword    (1 << 12) /* do not break the next word */
1.18      schwarze  272:
1.43      schwarze  273: #define        BL_STACK_MAX    32
                    274:
1.79      schwarze  275: static int             Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
1.43      schwarze  276: static int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
                    277: static int             Bl_stack_len;  /* number of nested Bl blocks */
1.35      schwarze  278: static int             TPremain;  /* characters before tag is full */
                    279:
1.24      schwarze  280: static struct {
                    281:        char    *head;
                    282:        char    *tail;
                    283:        size_t   size;
                    284: }      fontqueue;
                    285:
1.61      schwarze  286:
1.106     schwarze  287: static int
                    288: man_strlen(const char *cp)
                    289: {
                    290:        size_t   rsz;
                    291:        int      skip, sz;
                    292:
                    293:        sz = 0;
                    294:        skip = 0;
                    295:        for (;;) {
                    296:                rsz = strcspn(cp, "\\");
                    297:                if (rsz) {
                    298:                        cp += rsz;
                    299:                        if (skip) {
                    300:                                skip = 0;
                    301:                                rsz--;
                    302:                        }
                    303:                        sz += rsz;
                    304:                }
                    305:                if ('\0' == *cp)
                    306:                        break;
                    307:                cp++;
                    308:                switch (mandoc_escape(&cp, NULL, NULL)) {
                    309:                case ESCAPE_ERROR:
                    310:                        return sz;
                    311:                case ESCAPE_UNICODE:
                    312:                case ESCAPE_NUMBERED:
                    313:                case ESCAPE_SPECIAL:
                    314:                case ESCAPE_OVERSTRIKE:
                    315:                        if (skip)
                    316:                                skip = 0;
                    317:                        else
                    318:                                sz++;
                    319:                        break;
                    320:                case ESCAPE_SKIPCHAR:
                    321:                        skip = 1;
                    322:                        break;
                    323:                default:
                    324:                        break;
                    325:                }
                    326:        }
                    327:        return sz;
                    328: }
                    329:
1.24      schwarze  330: static void
                    331: font_push(char newfont)
                    332: {
                    333:
                    334:        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
                    335:                fontqueue.size += 8;
                    336:                fontqueue.head = mandoc_realloc(fontqueue.head,
1.61      schwarze  337:                    fontqueue.size);
1.24      schwarze  338:        }
                    339:        *fontqueue.tail = newfont;
1.35      schwarze  340:        print_word("");
                    341:        printf("\\f");
1.24      schwarze  342:        putchar(newfont);
                    343:        outflags &= ~MMAN_spc;
                    344: }
                    345:
                    346: static void
                    347: font_pop(void)
                    348: {
                    349:
                    350:        if (fontqueue.tail > fontqueue.head)
                    351:                fontqueue.tail--;
                    352:        outflags &= ~MMAN_spc;
1.35      schwarze  353:        print_word("");
                    354:        printf("\\f");
1.24      schwarze  355:        putchar(*fontqueue.tail);
                    356: }
                    357:
1.1       schwarze  358: static void
1.18      schwarze  359: print_word(const char *s)
1.1       schwarze  360: {
1.4       schwarze  361:
1.34      schwarze  362:        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.61      schwarze  363:                /*
1.4       schwarze  364:                 * If we need a newline, print it now and start afresh.
                    365:                 */
1.34      schwarze  366:                if (MMAN_PP & outflags) {
1.44      schwarze  367:                        if (MMAN_sp & outflags) {
                    368:                                if (MMAN_PD & outflags) {
                    369:                                        printf("\n.PD");
                    370:                                        outflags &= ~MMAN_PD;
                    371:                                }
                    372:                        } else if ( ! (MMAN_PD & outflags)) {
                    373:                                printf("\n.PD 0");
                    374:                                outflags |= MMAN_PD;
                    375:                        }
1.34      schwarze  376:                        printf("\n.PP\n");
                    377:                } else if (MMAN_sp & outflags)
1.19      schwarze  378:                        printf("\n.sp\n");
                    379:                else if (MMAN_br & outflags)
                    380:                        printf("\n.br\n");
                    381:                else if (MMAN_nl & outflags)
                    382:                        putchar('\n');
1.34      schwarze  383:                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.35      schwarze  384:                if (1 == TPremain)
                    385:                        printf(".br\n");
                    386:                TPremain = 0;
                    387:        } else if (MMAN_spc & outflags) {
1.4       schwarze  388:                /*
1.23      schwarze  389:                 * If we need a space, only print it if
                    390:                 * (1) it is forced by `No' or
                    391:                 * (2) what follows is not terminating punctuation or
                    392:                 * (3) what follows is longer than one character.
1.4       schwarze  393:                 */
1.35      schwarze  394:                if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.23      schwarze  395:                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.45      schwarze  396:                        if (MMAN_Bk & outflags &&
                    397:                            ! (MMAN_Bk_susp & outflags))
1.10      schwarze  398:                                putchar('\\');
1.39      millert   399:                        putchar(' ');
1.35      schwarze  400:                        if (TPremain)
                    401:                                TPremain--;
1.10      schwarze  402:                }
1.35      schwarze  403:        }
1.4       schwarze  404:
                    405:        /*
                    406:         * Reassign needing space if we're not following opening
                    407:         * punctuation.
                    408:         */
1.35      schwarze  409:        if (MMAN_Sm & outflags && ('\0' == s[0] ||
                    410:            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.18      schwarze  411:                outflags |= MMAN_spc;
                    412:        else
                    413:                outflags &= ~MMAN_spc;
1.45      schwarze  414:        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.4       schwarze  415:
1.1       schwarze  416:        for ( ; *s; s++) {
                    417:                switch (*s) {
1.61      schwarze  418:                case ASCII_NBRSP:
1.39      millert   419:                        printf("\\ ");
1.1       schwarze  420:                        break;
1.61      schwarze  421:                case ASCII_HYPH:
1.1       schwarze  422:                        putchar('-');
1.57      schwarze  423:                        break;
1.61      schwarze  424:                case ASCII_BREAK:
1.57      schwarze  425:                        printf("\\:");
1.1       schwarze  426:                        break;
1.61      schwarze  427:                case ' ':
1.55      schwarze  428:                        if (MMAN_nbrword & outflags) {
                    429:                                printf("\\ ");
                    430:                                break;
                    431:                        }
                    432:                        /* FALLTHROUGH */
1.1       schwarze  433:                default:
1.4       schwarze  434:                        putchar((unsigned char)*s);
1.1       schwarze  435:                        break;
                    436:                }
1.35      schwarze  437:                if (TPremain)
                    438:                        TPremain--;
1.1       schwarze  439:        }
1.55      schwarze  440:        outflags &= ~MMAN_nbrword;
1.1       schwarze  441: }
                    442:
1.8       schwarze  443: static void
1.34      schwarze  444: print_line(const char *s, int newflags)
                    445: {
                    446:
                    447:        outflags |= MMAN_nl;
                    448:        print_word(s);
                    449:        outflags |= newflags;
                    450: }
                    451:
                    452: static void
                    453: print_block(const char *s, int newflags)
                    454: {
                    455:
                    456:        outflags &= ~MMAN_PP;
1.44      schwarze  457:        if (MMAN_sp & outflags) {
1.34      schwarze  458:                outflags &= ~(MMAN_sp | MMAN_br);
1.44      schwarze  459:                if (MMAN_PD & outflags) {
                    460:                        print_line(".PD", 0);
                    461:                        outflags &= ~MMAN_PD;
                    462:                }
1.45      schwarze  463:        } else if (! (MMAN_PD & outflags))
                    464:                print_line(".PD 0", MMAN_PD);
1.34      schwarze  465:        outflags |= MMAN_nl;
                    466:        print_word(s);
1.45      schwarze  467:        outflags |= MMAN_Bk_susp | newflags;
1.34      schwarze  468: }
                    469:
                    470: static void
1.69      schwarze  471: print_offs(const char *v, int keywords)
1.8       schwarze  472: {
                    473:        char              buf[24];
                    474:        struct roffsu     su;
1.79      schwarze  475:        int               sz;
1.8       schwarze  476:
1.47      schwarze  477:        print_line(".RS", MMAN_Bk_susp);
                    478:
1.43      schwarze  479:        /* Convert v into a number (of characters). */
1.69      schwarze  480:        if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
1.8       schwarze  481:                sz = 0;
1.69      schwarze  482:        else if (keywords && !strcmp(v, "indent"))
1.8       schwarze  483:                sz = 6;
1.69      schwarze  484:        else if (keywords && !strcmp(v, "indent-two"))
1.8       schwarze  485:                sz = 12;
1.77      schwarze  486:        else if (a2roffsu(v, &su, SCALE_EN) > 1) {
1.43      schwarze  487:                if (SCALE_EN == su.unit)
                    488:                        sz = su.scale;
                    489:                else {
                    490:                        /*
                    491:                         * XXX
                    492:                         * If we are inside an enclosing list,
                    493:                         * there is no easy way to add the two
                    494:                         * indentations because they are provided
                    495:                         * in terms of different units.
                    496:                         */
                    497:                        print_word(v);
1.47      schwarze  498:                        outflags |= MMAN_nl;
1.43      schwarze  499:                        return;
                    500:                }
1.8       schwarze  501:        } else
1.106     schwarze  502:                sz = man_strlen(v);
1.8       schwarze  503:
1.43      schwarze  504:        /*
                    505:         * We are inside an enclosing list.
                    506:         * Add the two indentations.
                    507:         */
                    508:        if (Bl_stack_len)
                    509:                sz += Bl_stack[Bl_stack_len - 1];
                    510:
1.79      schwarze  511:        (void)snprintf(buf, sizeof(buf), "%dn", sz);
1.18      schwarze  512:        print_word(buf);
1.47      schwarze  513:        outflags |= MMAN_nl;
1.8       schwarze  514: }
                    515:
1.46      schwarze  516: /*
                    517:  * Set up the indentation for a list item; used from pre_it().
                    518:  */
1.59      schwarze  519: static void
1.88      schwarze  520: print_width(const struct mdoc_bl *bl, const struct roff_node *child)
1.28      schwarze  521: {
                    522:        char              buf[24];
                    523:        struct roffsu     su;
1.79      schwarze  524:        int               numeric, remain, sz, chsz;
1.29      schwarze  525:
1.35      schwarze  526:        numeric = 1;
                    527:        remain = 0;
1.43      schwarze  528:
1.79      schwarze  529:        /* Convert the width into a number (of characters). */
                    530:        if (bl->width == NULL)
                    531:                sz = (bl->type == LIST_hang) ? 6 : 0;
                    532:        else if (a2roffsu(bl->width, &su, SCALE_MAX) > 1) {
1.28      schwarze  533:                if (SCALE_EN == su.unit)
                    534:                        sz = su.scale;
                    535:                else {
1.35      schwarze  536:                        sz = 0;
                    537:                        numeric = 0;
1.28      schwarze  538:                }
                    539:        } else
1.106     schwarze  540:                sz = man_strlen(bl->width);
1.28      schwarze  541:
1.35      schwarze  542:        /* XXX Rough estimation, might have multiple parts. */
1.79      schwarze  543:        if (bl->type == LIST_enum)
                    544:                chsz = (bl->count > 8) + 1;
1.87      schwarze  545:        else if (child != NULL && child->type == ROFFT_TEXT)
1.106     schwarze  546:                chsz = man_strlen(child->string);
1.79      schwarze  547:        else
                    548:                chsz = 0;
1.35      schwarze  549:
1.46      schwarze  550:        /* Maybe we are inside an enclosing list? */
                    551:        mid_it();
1.43      schwarze  552:
                    553:        /*
                    554:         * Save our own indentation,
                    555:         * such that child lists can use it.
                    556:         */
                    557:        Bl_stack[Bl_stack_len++] = sz + 2;
                    558:
                    559:        /* Set up the current list. */
1.79      schwarze  560:        if (chsz > sz && bl->type != LIST_tag)
1.34      schwarze  561:                print_block(".HP", 0);
1.35      schwarze  562:        else {
1.34      schwarze  563:                print_block(".TP", 0);
1.35      schwarze  564:                remain = sz + 2;
                    565:        }
                    566:        if (numeric) {
1.79      schwarze  567:                (void)snprintf(buf, sizeof(buf), "%dn", sz + 2);
1.35      schwarze  568:                print_word(buf);
                    569:        } else
1.79      schwarze  570:                print_word(bl->width);
1.35      schwarze  571:        TPremain = remain;
1.28      schwarze  572: }
                    573:
1.59      schwarze  574: static void
1.28      schwarze  575: print_count(int *count)
                    576: {
1.62      schwarze  577:        char              buf[24];
1.28      schwarze  578:
1.79      schwarze  579:        (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count);
1.28      schwarze  580:        print_word(buf);
                    581: }
                    582:
                    583: void
1.90      schwarze  584: man_man(void *arg, const struct roff_man *man)
1.4       schwarze  585: {
                    586:
                    587:        /*
                    588:         * Dump the keep buffer.
                    589:         * We're guaranteed by now that this exists (is non-NULL).
                    590:         * Flush stdout afterward, just in case.
                    591:         */
                    592:        fputs(mparse_getkeep(man_mparse(man)), stdout);
                    593:        fflush(stdout);
                    594: }
                    595:
                    596: void
1.90      schwarze  597: man_mdoc(void *arg, const struct roff_man *mdoc)
1.1       schwarze  598: {
1.88      schwarze  599:        struct roff_node *n;
1.1       schwarze  600:
1.41      millert   601:        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.91      schwarze  602:            mdoc->meta.title,
                    603:            (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
                    604:            mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);
1.41      millert   605:
                    606:        /* Disable hyphenation and if nroff, disable justification. */
                    607:        printf(".nh\n.if n .ad l");
1.1       schwarze  608:
1.18      schwarze  609:        outflags = MMAN_nl | MMAN_Sm;
1.24      schwarze  610:        if (0 == fontqueue.size) {
                    611:                fontqueue.size = 8;
                    612:                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
                    613:                *fontqueue.tail = 'R';
                    614:        }
1.91      schwarze  615:        for (n = mdoc->first->child; n != NULL; n = n->next)
                    616:                print_node(&mdoc->meta, n);
1.3       schwarze  617:        putchar('\n');
1.1       schwarze  618: }
                    619:
                    620: static void
                    621: print_node(DECL_ARGS)
                    622: {
1.4       schwarze  623:        const struct manact     *act;
1.88      schwarze  624:        struct roff_node        *sub;
1.1       schwarze  625:        int                      cond, do_sub;
1.95      schwarze  626:
                    627:        if (n->flags & NODE_NOPRT)
                    628:                return;
1.45      schwarze  629:
1.4       schwarze  630:        /*
                    631:         * Break the line if we were parsed subsequent the current node.
                    632:         * This makes the page structure be more consistent.
                    633:         */
1.96      schwarze  634:        if (MMAN_spc & outflags && NODE_LINE & n->flags)
1.18      schwarze  635:                outflags |= MMAN_nl;
1.1       schwarze  636:
1.4       schwarze  637:        act = NULL;
1.1       schwarze  638:        cond = 0;
                    639:        do_sub = 1;
1.96      schwarze  640:        n->flags &= ~NODE_ENDED;
1.4       schwarze  641:
1.87      schwarze  642:        if (n->type == ROFFT_TEXT) {
1.4       schwarze  643:                /*
                    644:                 * Make sure that we don't happen to start with a
                    645:                 * control character at the start of a line.
                    646:                 */
1.61      schwarze  647:                if (MMAN_nl & outflags &&
                    648:                    ('.' == *n->string || '\'' == *n->string)) {
1.35      schwarze  649:                        print_word("");
                    650:                        printf("\\&");
1.18      schwarze  651:                        outflags &= ~MMAN_spc;
1.3       schwarze  652:                }
1.99      schwarze  653:                if (n->flags & NODE_DELIMC)
                    654:                        outflags &= ~(MMAN_spc | MMAN_spc_force);
                    655:                else if (outflags & MMAN_Sm)
1.71      schwarze  656:                        outflags |= MMAN_spc_force;
1.18      schwarze  657:                print_word(n->string);
1.99      schwarze  658:                if (n->flags & NODE_DELIMO)
                    659:                        outflags &= ~(MMAN_spc | MMAN_spc_force);
                    660:                else if (outflags & MMAN_Sm)
1.71      schwarze  661:                        outflags |= MMAN_spc;
1.108     schwarze  662:        } else if (n->tok < ROFF_MAX) {
1.110     schwarze  663:                (*roff_manacts[n->tok])(meta, n);
                    664:                return;
1.1       schwarze  665:        } else {
1.108     schwarze  666:                assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.4       schwarze  667:                /*
                    668:                 * Conditionally run the pre-node action handler for a
                    669:                 * node.
                    670:                 */
1.1       schwarze  671:                act = manacts + n->tok;
1.74      schwarze  672:                cond = act->cond == NULL || (*act->cond)(meta, n);
1.94      schwarze  673:                if (cond && act->pre != NULL &&
                    674:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.42      schwarze  675:                        do_sub = (*act->pre)(meta, n);
1.1       schwarze  676:        }
                    677:
1.61      schwarze  678:        /*
1.4       schwarze  679:         * Conditionally run all child nodes.
                    680:         * Note that this iterates over children instead of using
                    681:         * recursion.  This prevents unnecessary depth in the stack.
                    682:         */
1.1       schwarze  683:        if (do_sub)
                    684:                for (sub = n->child; sub; sub = sub->next)
1.42      schwarze  685:                        print_node(meta, sub);
1.1       schwarze  686:
1.4       schwarze  687:        /*
                    688:         * Lastly, conditionally run the post-node handler.
                    689:         */
1.96      schwarze  690:        if (NODE_ENDED & n->flags)
1.58      schwarze  691:                return;
                    692:
1.1       schwarze  693:        if (cond && act->post)
1.42      schwarze  694:                (*act->post)(meta, n);
1.58      schwarze  695:
                    696:        if (ENDBODY_NOT != n->end)
1.96      schwarze  697:                n->body->flags |= NODE_ENDED;
1.1       schwarze  698: }
                    699:
                    700: static int
                    701: cond_head(DECL_ARGS)
                    702: {
1.4       schwarze  703:
1.92      schwarze  704:        return n->type == ROFFT_HEAD;
1.1       schwarze  705: }
                    706:
                    707: static int
                    708: cond_body(DECL_ARGS)
                    709: {
1.4       schwarze  710:
1.92      schwarze  711:        return n->type == ROFFT_BODY;
1.1       schwarze  712: }
                    713:
                    714: static int
                    715: pre_enc(DECL_ARGS)
                    716: {
1.4       schwarze  717:        const char      *prefix;
1.1       schwarze  718:
                    719:        prefix = manacts[n->tok].prefix;
                    720:        if (NULL == prefix)
1.92      schwarze  721:                return 1;
1.18      schwarze  722:        print_word(prefix);
                    723:        outflags &= ~MMAN_spc;
1.92      schwarze  724:        return 1;
1.1       schwarze  725: }
                    726:
                    727: static void
                    728: post_enc(DECL_ARGS)
                    729: {
                    730:        const char *suffix;
                    731:
                    732:        suffix = manacts[n->tok].suffix;
                    733:        if (NULL == suffix)
                    734:                return;
1.58      schwarze  735:        outflags &= ~(MMAN_spc | MMAN_nl);
1.18      schwarze  736:        print_word(suffix);
1.24      schwarze  737: }
                    738:
1.66      schwarze  739: static int
                    740: pre_ex(DECL_ARGS)
                    741: {
                    742:        outflags |= MMAN_br | MMAN_nl;
1.99      schwarze  743:        return 1;
1.66      schwarze  744: }
                    745:
1.24      schwarze  746: static void
                    747: post_font(DECL_ARGS)
                    748: {
                    749:
                    750:        font_pop();
1.1       schwarze  751: }
                    752:
                    753: static void
                    754: post_percent(DECL_ARGS)
                    755: {
                    756:
1.32      schwarze  757:        if (pre_em == manacts[n->tok].pre)
                    758:                font_pop();
                    759:        if (n->next) {
1.18      schwarze  760:                print_word(",");
1.32      schwarze  761:                if (n->prev &&  n->prev->tok == n->tok &&
                    762:                                n->next->tok == n->tok)
                    763:                        print_word("and");
                    764:        } else {
1.18      schwarze  765:                print_word(".");
                    766:                outflags |= MMAN_nl;
1.1       schwarze  767:        }
                    768: }
                    769:
1.32      schwarze  770: static int
                    771: pre__t(DECL_ARGS)
                    772: {
                    773:
1.103     schwarze  774:        if (n->parent->tok == MDOC_Rs && n->parent->norm->Rs.quote_T) {
1.102     schwarze  775:                print_word("\\(lq");
1.32      schwarze  776:                outflags &= ~MMAN_spc;
                    777:        } else
                    778:                font_push('I');
1.92      schwarze  779:        return 1;
1.32      schwarze  780: }
                    781:
                    782: static void
                    783: post__t(DECL_ARGS)
                    784: {
                    785:
1.103     schwarze  786:        if (n->parent->tok  == MDOC_Rs && n->parent->norm->Rs.quote_T) {
1.32      schwarze  787:                outflags &= ~MMAN_spc;
1.102     schwarze  788:                print_word("\\(rq");
1.32      schwarze  789:        } else
                    790:                font_pop();
1.42      schwarze  791:        post_percent(meta, n);
1.32      schwarze  792: }
                    793:
1.4       schwarze  794: /*
                    795:  * Print before a section header.
                    796:  */
1.1       schwarze  797: static int
1.3       schwarze  798: pre_sect(DECL_ARGS)
                    799: {
                    800:
1.87      schwarze  801:        if (n->type == ROFFT_HEAD) {
1.45      schwarze  802:                outflags |= MMAN_sp;
                    803:                print_block(manacts[n->tok].prefix, 0);
                    804:                print_word("");
                    805:                putchar('\"');
                    806:                outflags &= ~MMAN_spc;
                    807:        }
1.92      schwarze  808:        return 1;
1.3       schwarze  809: }
                    810:
1.4       schwarze  811: /*
                    812:  * Print subsequent a section header.
                    813:  */
1.3       schwarze  814: static void
                    815: post_sect(DECL_ARGS)
                    816: {
                    817:
1.87      schwarze  818:        if (n->type != ROFFT_HEAD)
1.3       schwarze  819:                return;
1.18      schwarze  820:        outflags &= ~MMAN_spc;
1.35      schwarze  821:        print_word("");
                    822:        putchar('\"');
1.18      schwarze  823:        outflags |= MMAN_nl;
1.20      schwarze  824:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    825:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    826: }
                    827:
1.21      schwarze  828: /* See mdoc_term.c, synopsis_pre() for comments. */
                    829: static void
1.88      schwarze  830: pre_syn(const struct roff_node *n)
1.21      schwarze  831: {
                    832:
1.96      schwarze  833:        if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.21      schwarze  834:                return;
                    835:
                    836:        if (n->prev->tok == n->tok &&
1.61      schwarze  837:            MDOC_Ft != n->tok &&
                    838:            MDOC_Fo != n->tok &&
                    839:            MDOC_Fn != n->tok) {
1.21      schwarze  840:                outflags |= MMAN_br;
                    841:                return;
                    842:        }
                    843:
                    844:        switch (n->prev->tok) {
1.61      schwarze  845:        case MDOC_Fd:
                    846:        case MDOC_Fn:
                    847:        case MDOC_Fo:
                    848:        case MDOC_In:
                    849:        case MDOC_Vt:
1.21      schwarze  850:                outflags |= MMAN_sp;
                    851:                break;
1.61      schwarze  852:        case MDOC_Ft:
1.21      schwarze  853:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    854:                        outflags |= MMAN_sp;
                    855:                        break;
                    856:                }
                    857:                /* FALLTHROUGH */
                    858:        default:
                    859:                outflags |= MMAN_br;
                    860:                break;
                    861:        }
                    862: }
                    863:
1.20      schwarze  864: static int
                    865: pre_an(DECL_ARGS)
                    866: {
                    867:
                    868:        switch (n->norm->An.auth) {
1.61      schwarze  869:        case AUTH_split:
1.20      schwarze  870:                outflags &= ~MMAN_An_nosplit;
                    871:                outflags |= MMAN_An_split;
1.92      schwarze  872:                return 0;
1.61      schwarze  873:        case AUTH_nosplit:
1.20      schwarze  874:                outflags &= ~MMAN_An_split;
                    875:                outflags |= MMAN_An_nosplit;
1.92      schwarze  876:                return 0;
1.20      schwarze  877:        default:
                    878:                if (MMAN_An_split & outflags)
                    879:                        outflags |= MMAN_br;
                    880:                else if (SEC_AUTHORS == n->sec &&
                    881:                    ! (MMAN_An_nosplit & outflags))
                    882:                        outflags |= MMAN_An_split;
1.92      schwarze  883:                return 1;
1.20      schwarze  884:        }
1.3       schwarze  885: }
                    886:
                    887: static int
                    888: pre_ap(DECL_ARGS)
                    889: {
                    890:
1.18      schwarze  891:        outflags &= ~MMAN_spc;
                    892:        print_word("'");
                    893:        outflags &= ~MMAN_spc;
1.92      schwarze  894:        return 0;
1.72      schwarze  895: }
                    896:
                    897: static int
                    898: pre_aq(DECL_ARGS)
                    899: {
                    900:
1.94      schwarze  901:        print_word(n->child != NULL && n->child->next == NULL &&
1.80      schwarze  902:            n->child->tok == MDOC_Mt ?  "<" : "\\(la");
1.72      schwarze  903:        outflags &= ~MMAN_spc;
1.92      schwarze  904:        return 1;
1.72      schwarze  905: }
                    906:
                    907: static void
                    908: post_aq(DECL_ARGS)
                    909: {
                    910:
                    911:        outflags &= ~(MMAN_spc | MMAN_nl);
1.94      schwarze  912:        print_word(n->child != NULL && n->child->next == NULL &&
1.80      schwarze  913:            n->child->tok == MDOC_Mt ?  ">" : "\\(ra");
1.3       schwarze  914: }
                    915:
                    916: static int
                    917: pre_bd(DECL_ARGS)
                    918: {
                    919:
1.34      schwarze  920:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    921:
                    922:        if (DISP_unfilled == n->norm->Bd.type ||
                    923:            DISP_literal  == n->norm->Bd.type)
                    924:                print_line(".nf", 0);
                    925:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.19      schwarze  926:                outflags |= MMAN_sp;
1.69      schwarze  927:        print_offs(n->norm->Bd.offs, 1);
1.92      schwarze  928:        return 1;
1.3       schwarze  929: }
                    930:
                    931: static void
                    932: post_bd(DECL_ARGS)
                    933: {
                    934:
1.43      schwarze  935:        /* Close out this display. */
1.34      schwarze  936:        print_line(".RE", MMAN_nl);
1.3       schwarze  937:        if (DISP_unfilled == n->norm->Bd.type ||
1.34      schwarze  938:            DISP_literal  == n->norm->Bd.type)
                    939:                print_line(".fi", MMAN_nl);
1.43      schwarze  940:
1.46      schwarze  941:        /* Maybe we are inside an enclosing list? */
                    942:        if (NULL != n->parent->next)
                    943:                mid_it();
1.10      schwarze  944: }
                    945:
                    946: static int
1.25      schwarze  947: pre_bf(DECL_ARGS)
                    948: {
                    949:
                    950:        switch (n->type) {
1.87      schwarze  951:        case ROFFT_BLOCK:
1.92      schwarze  952:                return 1;
1.87      schwarze  953:        case ROFFT_BODY:
1.25      schwarze  954:                break;
                    955:        default:
1.92      schwarze  956:                return 0;
1.25      schwarze  957:        }
                    958:        switch (n->norm->Bf.font) {
1.61      schwarze  959:        case FONT_Em:
1.25      schwarze  960:                font_push('I');
                    961:                break;
1.61      schwarze  962:        case FONT_Sy:
1.25      schwarze  963:                font_push('B');
                    964:                break;
                    965:        default:
                    966:                font_push('R');
                    967:                break;
                    968:        }
1.92      schwarze  969:        return 1;
1.25      schwarze  970: }
                    971:
                    972: static void
                    973: post_bf(DECL_ARGS)
                    974: {
                    975:
1.87      schwarze  976:        if (n->type == ROFFT_BODY)
1.25      schwarze  977:                font_pop();
                    978: }
                    979:
                    980: static int
1.10      schwarze  981: pre_bk(DECL_ARGS)
                    982: {
                    983:
                    984:        switch (n->type) {
1.87      schwarze  985:        case ROFFT_BLOCK:
1.92      schwarze  986:                return 1;
1.87      schwarze  987:        case ROFFT_BODY:
1.18      schwarze  988:                outflags |= MMAN_Bk;
1.92      schwarze  989:                return 1;
1.10      schwarze  990:        default:
1.92      schwarze  991:                return 0;
1.10      schwarze  992:        }
                    993: }
                    994:
                    995: static void
                    996: post_bk(DECL_ARGS)
                    997: {
                    998:
1.87      schwarze  999:        if (n->type == ROFFT_BODY)
1.18      schwarze 1000:                outflags &= ~MMAN_Bk;
1.3       schwarze 1001: }
                   1002:
                   1003: static int
1.28      schwarze 1004: pre_bl(DECL_ARGS)
                   1005: {
1.31      schwarze 1006:        size_t           icol;
1.28      schwarze 1007:
1.48      schwarze 1008:        /*
                   1009:         * print_offs() will increase the -offset to account for
                   1010:         * a possible enclosing .It, but any enclosed .It blocks
                   1011:         * just nest and do not add up their indentation.
                   1012:         */
                   1013:        if (n->norm->Bl.offs) {
1.69      schwarze 1014:                print_offs(n->norm->Bl.offs, 0);
1.48      schwarze 1015:                Bl_stack[Bl_stack_len++] = 0;
                   1016:        }
                   1017:
1.31      schwarze 1018:        switch (n->norm->Bl.type) {
1.61      schwarze 1019:        case LIST_enum:
1.28      schwarze 1020:                n->norm->Bl.count = 0;
1.92      schwarze 1021:                return 1;
1.61      schwarze 1022:        case LIST_column:
1.31      schwarze 1023:                break;
                   1024:        default:
1.92      schwarze 1025:                return 1;
1.31      schwarze 1026:        }
                   1027:
1.94      schwarze 1028:        if (n->child != NULL) {
1.81      schwarze 1029:                print_line(".TS", MMAN_nl);
                   1030:                for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                   1031:                        print_word("l");
                   1032:                print_word(".");
                   1033:        }
1.34      schwarze 1034:        outflags |= MMAN_nl;
1.92      schwarze 1035:        return 1;
1.28      schwarze 1036: }
                   1037:
                   1038: static void
                   1039: post_bl(DECL_ARGS)
                   1040: {
                   1041:
1.31      schwarze 1042:        switch (n->norm->Bl.type) {
1.61      schwarze 1043:        case LIST_column:
1.94      schwarze 1044:                if (n->child != NULL)
1.81      schwarze 1045:                        print_line(".TE", 0);
1.34      schwarze 1046:                break;
1.61      schwarze 1047:        case LIST_enum:
1.31      schwarze 1048:                n->norm->Bl.count = 0;
                   1049:                break;
                   1050:        default:
                   1051:                break;
                   1052:        }
1.48      schwarze 1053:
                   1054:        if (n->norm->Bl.offs) {
                   1055:                print_line(".RE", MMAN_nl);
                   1056:                assert(Bl_stack_len);
                   1057:                Bl_stack_len--;
                   1058:                assert(0 == Bl_stack[Bl_stack_len]);
                   1059:        } else {
                   1060:                outflags |= MMAN_PP | MMAN_nl;
                   1061:                outflags &= ~(MMAN_sp | MMAN_br);
                   1062:        }
1.46      schwarze 1063:
                   1064:        /* Maybe we are inside an enclosing list? */
                   1065:        if (NULL != n->parent->next)
                   1066:                mid_it();
                   1067:
1.28      schwarze 1068: }
                   1069:
1.110     schwarze 1070: static void
1.3       schwarze 1071: pre_br(DECL_ARGS)
                   1072: {
1.19      schwarze 1073:        outflags |= MMAN_br;
1.5       schwarze 1074: }
                   1075:
                   1076: static int
1.1       schwarze 1077: pre_dl(DECL_ARGS)
                   1078: {
                   1079:
1.69      schwarze 1080:        print_offs("6n", 0);
1.92      schwarze 1081:        return 1;
1.1       schwarze 1082: }
                   1083:
                   1084: static void
                   1085: post_dl(DECL_ARGS)
                   1086: {
                   1087:
1.34      schwarze 1088:        print_line(".RE", MMAN_nl);
1.46      schwarze 1089:
                   1090:        /* Maybe we are inside an enclosing list? */
                   1091:        if (NULL != n->parent->next)
                   1092:                mid_it();
1.13      schwarze 1093: }
                   1094:
                   1095: static int
1.24      schwarze 1096: pre_em(DECL_ARGS)
                   1097: {
                   1098:
                   1099:        font_push('I');
1.92      schwarze 1100:        return 1;
1.26      schwarze 1101: }
                   1102:
1.63      schwarze 1103: static int
                   1104: pre_en(DECL_ARGS)
                   1105: {
                   1106:
                   1107:        if (NULL == n->norm->Es ||
                   1108:            NULL == n->norm->Es->child)
1.92      schwarze 1109:                return 1;
1.63      schwarze 1110:
                   1111:        print_word(n->norm->Es->child->string);
                   1112:        outflags &= ~MMAN_spc;
1.92      schwarze 1113:        return 1;
1.63      schwarze 1114: }
                   1115:
                   1116: static void
                   1117: post_en(DECL_ARGS)
                   1118: {
                   1119:
                   1120:        if (NULL == n->norm->Es ||
                   1121:            NULL == n->norm->Es->child ||
                   1122:            NULL == n->norm->Es->child->next)
                   1123:                return;
                   1124:
                   1125:        outflags &= ~MMAN_spc;
                   1126:        print_word(n->norm->Es->child->next->string);
                   1127:        return;
                   1128: }
                   1129:
1.74      schwarze 1130: static int
                   1131: pre_eo(DECL_ARGS)
                   1132: {
                   1133:
1.82      schwarze 1134:        if (n->end == ENDBODY_NOT &&
                   1135:            n->parent->head->child == NULL &&
                   1136:            n->child != NULL &&
                   1137:            n->child->end != ENDBODY_NOT)
                   1138:                print_word("\\&");
                   1139:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.84      schwarze 1140:            n->parent->head->child != NULL && (n->child != NULL ||
                   1141:            (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.82      schwarze 1142:                outflags &= ~(MMAN_spc | MMAN_nl);
1.92      schwarze 1143:        return 1;
1.74      schwarze 1144: }
                   1145:
1.26      schwarze 1146: static void
                   1147: post_eo(DECL_ARGS)
                   1148: {
1.82      schwarze 1149:        int      body, tail;
                   1150:
                   1151:        if (n->end != ENDBODY_NOT) {
                   1152:                outflags |= MMAN_spc;
                   1153:                return;
                   1154:        }
1.26      schwarze 1155:
1.82      schwarze 1156:        body = n->child != NULL || n->parent->head->child != NULL;
                   1157:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1158:
                   1159:        if (body && tail)
1.26      schwarze 1160:                outflags &= ~MMAN_spc;
1.82      schwarze 1161:        else if ( ! (body || tail))
                   1162:                print_word("\\&");
                   1163:        else if ( ! tail)
                   1164:                outflags |= MMAN_spc;
1.63      schwarze 1165: }
                   1166:
                   1167: static int
1.14      schwarze 1168: pre_fa(DECL_ARGS)
                   1169: {
1.56      schwarze 1170:        int      am_Fa;
1.14      schwarze 1171:
1.56      schwarze 1172:        am_Fa = MDOC_Fa == n->tok;
                   1173:
                   1174:        if (am_Fa)
1.14      schwarze 1175:                n = n->child;
                   1176:
                   1177:        while (NULL != n) {
1.24      schwarze 1178:                font_push('I');
1.96      schwarze 1179:                if (am_Fa || NODE_SYNPRETTY & n->flags)
1.55      schwarze 1180:                        outflags |= MMAN_nbrword;
1.42      schwarze 1181:                print_node(meta, n);
1.24      schwarze 1182:                font_pop();
1.14      schwarze 1183:                if (NULL != (n = n->next))
1.18      schwarze 1184:                        print_word(",");
1.14      schwarze 1185:        }
1.92      schwarze 1186:        return 0;
1.14      schwarze 1187: }
                   1188:
                   1189: static void
                   1190: post_fa(DECL_ARGS)
                   1191: {
                   1192:
                   1193:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.18      schwarze 1194:                print_word(",");
1.27      schwarze 1195: }
                   1196:
                   1197: static int
                   1198: pre_fd(DECL_ARGS)
                   1199: {
                   1200:
                   1201:        pre_syn(n);
                   1202:        font_push('B');
1.92      schwarze 1203:        return 1;
1.27      schwarze 1204: }
                   1205:
                   1206: static void
                   1207: post_fd(DECL_ARGS)
                   1208: {
                   1209:
                   1210:        font_pop();
                   1211:        outflags |= MMAN_br;
1.14      schwarze 1212: }
                   1213:
                   1214: static int
1.24      schwarze 1215: pre_fl(DECL_ARGS)
                   1216: {
                   1217:
                   1218:        font_push('B');
1.40      millert  1219:        print_word("\\-");
1.94      schwarze 1220:        if (n->child != NULL)
1.68      schwarze 1221:                outflags &= ~MMAN_spc;
1.92      schwarze 1222:        return 1;
1.24      schwarze 1223: }
                   1224:
                   1225: static void
                   1226: post_fl(DECL_ARGS)
                   1227: {
                   1228:
                   1229:        font_pop();
1.94      schwarze 1230:        if (!(n->child != NULL ||
1.68      schwarze 1231:            n->next == NULL ||
1.87      schwarze 1232:            n->next->type == ROFFT_TEXT ||
1.96      schwarze 1233:            n->next->flags & NODE_LINE))
1.24      schwarze 1234:                outflags &= ~MMAN_spc;
                   1235: }
                   1236:
                   1237: static int
1.13      schwarze 1238: pre_fn(DECL_ARGS)
                   1239: {
                   1240:
1.21      schwarze 1241:        pre_syn(n);
                   1242:
1.13      schwarze 1243:        n = n->child;
                   1244:        if (NULL == n)
1.92      schwarze 1245:                return 0;
1.13      schwarze 1246:
1.96      schwarze 1247:        if (NODE_SYNPRETTY & n->flags)
1.54      schwarze 1248:                print_block(".HP 4n", MMAN_nl);
                   1249:
1.24      schwarze 1250:        font_push('B');
1.42      schwarze 1251:        print_node(meta, n);
1.24      schwarze 1252:        font_pop();
1.18      schwarze 1253:        outflags &= ~MMAN_spc;
1.24      schwarze 1254:        print_word("(");
1.18      schwarze 1255:        outflags &= ~MMAN_spc;
1.33      schwarze 1256:
                   1257:        n = n->next;
                   1258:        if (NULL != n)
1.42      schwarze 1259:                pre_fa(meta, n);
1.92      schwarze 1260:        return 0;
1.13      schwarze 1261: }
                   1262:
                   1263: static void
                   1264: post_fn(DECL_ARGS)
                   1265: {
                   1266:
1.18      schwarze 1267:        print_word(")");
1.96      schwarze 1268:        if (NODE_SYNPRETTY & n->flags) {
1.18      schwarze 1269:                print_word(";");
1.54      schwarze 1270:                outflags |= MMAN_PP;
1.14      schwarze 1271:        }
                   1272: }
                   1273:
                   1274: static int
                   1275: pre_fo(DECL_ARGS)
                   1276: {
                   1277:
                   1278:        switch (n->type) {
1.87      schwarze 1279:        case ROFFT_BLOCK:
1.21      schwarze 1280:                pre_syn(n);
                   1281:                break;
1.87      schwarze 1282:        case ROFFT_HEAD:
1.83      schwarze 1283:                if (n->child == NULL)
1.92      schwarze 1284:                        return 0;
1.96      schwarze 1285:                if (NODE_SYNPRETTY & n->flags)
1.56      schwarze 1286:                        print_block(".HP 4n", MMAN_nl);
1.24      schwarze 1287:                font_push('B');
1.14      schwarze 1288:                break;
1.87      schwarze 1289:        case ROFFT_BODY:
1.83      schwarze 1290:                outflags &= ~(MMAN_spc | MMAN_nl);
1.18      schwarze 1291:                print_word("(");
                   1292:                outflags &= ~MMAN_spc;
1.14      schwarze 1293:                break;
                   1294:        default:
                   1295:                break;
                   1296:        }
1.92      schwarze 1297:        return 1;
1.14      schwarze 1298: }
1.56      schwarze 1299:
1.14      schwarze 1300: static void
                   1301: post_fo(DECL_ARGS)
                   1302: {
                   1303:
                   1304:        switch (n->type) {
1.87      schwarze 1305:        case ROFFT_HEAD:
1.83      schwarze 1306:                if (n->child != NULL)
                   1307:                        font_pop();
1.14      schwarze 1308:                break;
1.87      schwarze 1309:        case ROFFT_BODY:
1.42      schwarze 1310:                post_fn(meta, n);
1.14      schwarze 1311:                break;
                   1312:        default:
                   1313:                break;
1.13      schwarze 1314:        }
1.12      schwarze 1315: }
                   1316:
                   1317: static int
1.109     schwarze 1318: pre_Ft(DECL_ARGS)
1.21      schwarze 1319: {
                   1320:
                   1321:        pre_syn(n);
1.24      schwarze 1322:        font_push('I');
1.92      schwarze 1323:        return 1;
1.109     schwarze 1324: }
                   1325:
1.110     schwarze 1326: static void
1.109     schwarze 1327: pre_ft(DECL_ARGS)
                   1328: {
                   1329:        print_line(".ft", 0);
                   1330:        print_word(n->child->string);
                   1331:        outflags |= MMAN_nl;
1.21      schwarze 1332: }
                   1333:
                   1334: static int
1.12      schwarze 1335: pre_in(DECL_ARGS)
                   1336: {
                   1337:
1.96      schwarze 1338:        if (NODE_SYNPRETTY & n->flags) {
1.21      schwarze 1339:                pre_syn(n);
1.24      schwarze 1340:                font_push('B');
                   1341:                print_word("#include <");
                   1342:                outflags &= ~MMAN_spc;
                   1343:        } else {
                   1344:                print_word("<");
                   1345:                outflags &= ~MMAN_spc;
                   1346:                font_push('I');
                   1347:        }
1.92      schwarze 1348:        return 1;
1.12      schwarze 1349: }
                   1350:
                   1351: static void
                   1352: post_in(DECL_ARGS)
                   1353: {
                   1354:
1.96      schwarze 1355:        if (NODE_SYNPRETTY & n->flags) {
1.24      schwarze 1356:                outflags &= ~MMAN_spc;
                   1357:                print_word(">");
                   1358:                font_pop();
1.19      schwarze 1359:                outflags |= MMAN_br;
1.24      schwarze 1360:        } else {
                   1361:                font_pop();
                   1362:                outflags &= ~MMAN_spc;
                   1363:                print_word(">");
                   1364:        }
1.1       schwarze 1365: }
                   1366:
                   1367: static int
                   1368: pre_it(DECL_ARGS)
                   1369: {
1.88      schwarze 1370:        const struct roff_node *bln;
1.1       schwarze 1371:
1.28      schwarze 1372:        switch (n->type) {
1.87      schwarze 1373:        case ROFFT_HEAD:
1.34      schwarze 1374:                outflags |= MMAN_PP | MMAN_nl;
1.28      schwarze 1375:                bln = n->parent->parent;
1.34      schwarze 1376:                if (0 == bln->norm->Bl.comp ||
1.37      schwarze 1377:                    (NULL == n->parent->prev &&
                   1378:                     NULL == bln->parent->prev))
1.34      schwarze 1379:                        outflags |= MMAN_sp;
                   1380:                outflags &= ~MMAN_br;
1.3       schwarze 1381:                switch (bln->norm->Bl.type) {
1.61      schwarze 1382:                case LIST_item:
1.92      schwarze 1383:                        return 0;
1.61      schwarze 1384:                case LIST_inset:
                   1385:                case LIST_diag:
                   1386:                case LIST_ohang:
1.28      schwarze 1387:                        if (bln->norm->Bl.type == LIST_diag)
1.34      schwarze 1388:                                print_line(".B \"", 0);
1.28      schwarze 1389:                        else
1.34      schwarze 1390:                                print_line(".R \"", 0);
1.28      schwarze 1391:                        outflags &= ~MMAN_spc;
1.92      schwarze 1392:                        return 1;
1.61      schwarze 1393:                case LIST_bullet:
                   1394:                case LIST_dash:
                   1395:                case LIST_hyphen:
1.79      schwarze 1396:                        print_width(&bln->norm->Bl, NULL);
1.35      schwarze 1397:                        TPremain = 0;
1.28      schwarze 1398:                        outflags |= MMAN_nl;
                   1399:                        font_push('B');
                   1400:                        if (LIST_bullet == bln->norm->Bl.type)
1.70      schwarze 1401:                                print_word("\\(bu");
1.28      schwarze 1402:                        else
                   1403:                                print_word("-");
                   1404:                        font_pop();
1.65      schwarze 1405:                        outflags |= MMAN_nl;
1.92      schwarze 1406:                        return 0;
1.61      schwarze 1407:                case LIST_enum:
1.79      schwarze 1408:                        print_width(&bln->norm->Bl, NULL);
1.35      schwarze 1409:                        TPremain = 0;
1.28      schwarze 1410:                        outflags |= MMAN_nl;
                   1411:                        print_count(&bln->norm->Bl.count);
1.65      schwarze 1412:                        outflags |= MMAN_nl;
1.92      schwarze 1413:                        return 0;
1.61      schwarze 1414:                case LIST_hang:
1.79      schwarze 1415:                        print_width(&bln->norm->Bl, n->child);
1.35      schwarze 1416:                        TPremain = 0;
1.65      schwarze 1417:                        outflags |= MMAN_nl;
1.92      schwarze 1418:                        return 1;
1.61      schwarze 1419:                case LIST_tag:
1.79      schwarze 1420:                        print_width(&bln->norm->Bl, n->child);
1.35      schwarze 1421:                        putchar('\n');
                   1422:                        outflags &= ~MMAN_spc;
1.92      schwarze 1423:                        return 1;
1.3       schwarze 1424:                default:
1.92      schwarze 1425:                        return 1;
1.3       schwarze 1426:                }
1.28      schwarze 1427:        default:
                   1428:                break;
1.1       schwarze 1429:        }
1.92      schwarze 1430:        return 1;
1.28      schwarze 1431: }
                   1432:
1.46      schwarze 1433: /*
                   1434:  * This function is called after closing out an indented block.
                   1435:  * If we are inside an enclosing list, restore its indentation.
                   1436:  */
                   1437: static void
                   1438: mid_it(void)
                   1439: {
                   1440:        char             buf[24];
                   1441:
                   1442:        /* Nothing to do outside a list. */
                   1443:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
                   1444:                return;
                   1445:
                   1446:        /* The indentation has already been set up. */
                   1447:        if (Bl_stack_post[Bl_stack_len - 1])
                   1448:                return;
                   1449:
                   1450:        /* Restore the indentation of the enclosing list. */
                   1451:        print_line(".RS", MMAN_Bk_susp);
1.79      schwarze 1452:        (void)snprintf(buf, sizeof(buf), "%dn",
1.62      schwarze 1453:            Bl_stack[Bl_stack_len - 1]);
1.46      schwarze 1454:        print_word(buf);
                   1455:
                   1456:        /* Remeber to close out this .RS block later. */
                   1457:        Bl_stack_post[Bl_stack_len - 1] = 1;
                   1458: }
                   1459:
1.28      schwarze 1460: static void
                   1461: post_it(DECL_ARGS)
                   1462: {
1.88      schwarze 1463:        const struct roff_node *bln;
1.28      schwarze 1464:
1.31      schwarze 1465:        bln = n->parent->parent;
                   1466:
                   1467:        switch (n->type) {
1.87      schwarze 1468:        case ROFFT_HEAD:
1.28      schwarze 1469:                switch (bln->norm->Bl.type) {
1.61      schwarze 1470:                case LIST_diag:
1.28      schwarze 1471:                        outflags &= ~MMAN_spc;
                   1472:                        print_word("\\ ");
                   1473:                        break;
1.61      schwarze 1474:                case LIST_ohang:
1.28      schwarze 1475:                        outflags |= MMAN_br;
                   1476:                        break;
                   1477:                default:
                   1478:                        break;
                   1479:                }
1.31      schwarze 1480:                break;
1.87      schwarze 1481:        case ROFFT_BODY:
1.43      schwarze 1482:                switch (bln->norm->Bl.type) {
1.61      schwarze 1483:                case LIST_bullet:
                   1484:                case LIST_dash:
                   1485:                case LIST_hyphen:
                   1486:                case LIST_enum:
                   1487:                case LIST_hang:
                   1488:                case LIST_tag:
1.43      schwarze 1489:                        assert(Bl_stack_len);
                   1490:                        Bl_stack[--Bl_stack_len] = 0;
                   1491:
                   1492:                        /*
                   1493:                         * Our indentation had to be restored
1.46      schwarze 1494:                         * after a child display or child list.
1.43      schwarze 1495:                         * Close out that indentation block now.
                   1496:                         */
                   1497:                        if (Bl_stack_post[Bl_stack_len]) {
                   1498:                                print_line(".RE", MMAN_nl);
                   1499:                                Bl_stack_post[Bl_stack_len] = 0;
                   1500:                        }
                   1501:                        break;
1.61      schwarze 1502:                case LIST_column:
1.43      schwarze 1503:                        if (NULL != n->next) {
                   1504:                                putchar('\t');
                   1505:                                outflags &= ~MMAN_spc;
                   1506:                        }
                   1507:                        break;
                   1508:                default:
                   1509:                        break;
1.31      schwarze 1510:                }
                   1511:                break;
                   1512:        default:
                   1513:                break;
1.28      schwarze 1514:        }
1.11      schwarze 1515: }
                   1516:
                   1517: static void
                   1518: post_lb(DECL_ARGS)
                   1519: {
                   1520:
1.19      schwarze 1521:        if (SEC_LIBRARY == n->sec)
                   1522:                outflags |= MMAN_br;
1.22      schwarze 1523: }
                   1524:
                   1525: static int
                   1526: pre_lk(DECL_ARGS)
                   1527: {
1.88      schwarze 1528:        const struct roff_node *link, *descr;
1.106     schwarze 1529:        int display;
1.22      schwarze 1530:
1.105     schwarze 1531:        if ((link = n->child) == NULL)
1.92      schwarze 1532:                return 0;
1.22      schwarze 1533:
1.105     schwarze 1534:        /* Link text. */
                   1535:        if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.24      schwarze 1536:                font_push('I');
1.105     schwarze 1537:                while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.22      schwarze 1538:                        print_word(descr->string);
                   1539:                        descr = descr->next;
                   1540:                }
1.104     schwarze 1541:                font_pop();
1.22      schwarze 1542:                print_word(":");
                   1543:        }
                   1544:
1.105     schwarze 1545:        /* Link target. */
1.106     schwarze 1546:        display = man_strlen(link->string) >= 26;
                   1547:        if (display) {
                   1548:                print_line(".RS", MMAN_Bk_susp);
                   1549:                print_word("6n");
                   1550:                outflags |= MMAN_nl;
                   1551:        }
1.24      schwarze 1552:        font_push('B');
1.22      schwarze 1553:        print_word(link->string);
1.24      schwarze 1554:        font_pop();
1.105     schwarze 1555:
                   1556:        /* Trailing punctuation. */
                   1557:        while (descr != NULL) {
                   1558:                print_word(descr->string);
                   1559:                descr = descr->next;
                   1560:        }
1.106     schwarze 1561:        if (display)
                   1562:                print_line(".RE", MMAN_nl);
1.92      schwarze 1563:        return 0;
1.60      schwarze 1564: }
                   1565:
1.110     schwarze 1566: static void
1.113   ! schwarze 1567: pre_onearg(DECL_ARGS)
1.60      schwarze 1568: {
1.113   ! schwarze 1569:        outflags |= MMAN_nl;
        !          1570:        print_word(".");
        !          1571:        outflags &= ~MMAN_spc;
        !          1572:        print_word(roff_name[n->tok]);
1.110     schwarze 1573:        if (n->child != NULL)
                   1574:                print_word(n->child->string);
                   1575:        outflags |= MMAN_nl;
1.1       schwarze 1576: }
                   1577:
                   1578: static int
1.24      schwarze 1579: pre_li(DECL_ARGS)
                   1580: {
                   1581:
                   1582:        font_push('R');
1.92      schwarze 1583:        return 1;
1.24      schwarze 1584: }
                   1585:
                   1586: static int
1.1       schwarze 1587: pre_nm(DECL_ARGS)
                   1588: {
1.36      schwarze 1589:        char    *name;
1.1       schwarze 1590:
1.87      schwarze 1591:        if (n->type == ROFFT_BLOCK) {
1.53      schwarze 1592:                outflags |= MMAN_Bk;
1.21      schwarze 1593:                pre_syn(n);
1.53      schwarze 1594:        }
1.87      schwarze 1595:        if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
1.92      schwarze 1596:                return 1;
1.100     schwarze 1597:        name = n->child == NULL ? NULL : n->child->string;
1.36      schwarze 1598:        if (NULL == name)
1.92      schwarze 1599:                return 0;
1.87      schwarze 1600:        if (n->type == ROFFT_HEAD) {
1.36      schwarze 1601:                if (NULL == n->parent->prev)
                   1602:                        outflags |= MMAN_sp;
                   1603:                print_block(".HP", 0);
1.106     schwarze 1604:                printf(" %dn", man_strlen(name) + 1);
1.36      schwarze 1605:                outflags |= MMAN_nl;
                   1606:        }
1.24      schwarze 1607:        font_push('B');
1.92      schwarze 1608:        return 1;
1.1       schwarze 1609: }
                   1610:
                   1611: static void
                   1612: post_nm(DECL_ARGS)
                   1613: {
                   1614:
1.53      schwarze 1615:        switch (n->type) {
1.87      schwarze 1616:        case ROFFT_BLOCK:
1.53      schwarze 1617:                outflags &= ~MMAN_Bk;
                   1618:                break;
1.87      schwarze 1619:        case ROFFT_HEAD:
                   1620:        case ROFFT_ELEM:
1.100     schwarze 1621:                if (n->child != NULL && n->child->string != NULL)
1.66      schwarze 1622:                        font_pop();
1.53      schwarze 1623:                break;
                   1624:        default:
                   1625:                break;
                   1626:        }
1.23      schwarze 1627: }
                   1628:
                   1629: static int
                   1630: pre_no(DECL_ARGS)
                   1631: {
                   1632:
                   1633:        outflags |= MMAN_spc_force;
1.92      schwarze 1634:        return 1;
1.1       schwarze 1635: }
                   1636:
                   1637: static int
                   1638: pre_ns(DECL_ARGS)
                   1639: {
                   1640:
1.18      schwarze 1641:        outflags &= ~MMAN_spc;
1.92      schwarze 1642:        return 0;
1.1       schwarze 1643: }
                   1644:
1.3       schwarze 1645: static void
                   1646: post_pf(DECL_ARGS)
                   1647: {
                   1648:
1.96      schwarze 1649:        if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.75      schwarze 1650:                outflags &= ~MMAN_spc;
1.3       schwarze 1651: }
                   1652:
1.1       schwarze 1653: static int
                   1654: pre_pp(DECL_ARGS)
                   1655: {
                   1656:
1.34      schwarze 1657:        if (MDOC_It != n->parent->tok)
                   1658:                outflags |= MMAN_PP;
                   1659:        outflags |= MMAN_sp | MMAN_nl;
                   1660:        outflags &= ~MMAN_br;
1.92      schwarze 1661:        return 0;
1.32      schwarze 1662: }
                   1663:
                   1664: static int
                   1665: pre_rs(DECL_ARGS)
                   1666: {
                   1667:
                   1668:        if (SEC_SEE_ALSO == n->sec) {
1.34      schwarze 1669:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1670:                outflags &= ~MMAN_br;
1.32      schwarze 1671:        }
1.92      schwarze 1672:        return 1;
1.66      schwarze 1673: }
                   1674:
                   1675: static int
1.73      schwarze 1676: pre_skip(DECL_ARGS)
                   1677: {
                   1678:
1.92      schwarze 1679:        return 0;
1.9       schwarze 1680: }
                   1681:
                   1682: static int
                   1683: pre_sm(DECL_ARGS)
                   1684: {
                   1685:
1.64      schwarze 1686:        if (NULL == n->child)
                   1687:                outflags ^= MMAN_Sm;
                   1688:        else if (0 == strcmp("on", n->child->string))
                   1689:                outflags |= MMAN_Sm;
1.9       schwarze 1690:        else
1.18      schwarze 1691:                outflags &= ~MMAN_Sm;
1.64      schwarze 1692:
                   1693:        if (MMAN_Sm & outflags)
                   1694:                outflags |= MMAN_spc;
                   1695:
1.92      schwarze 1696:        return 0;
1.1       schwarze 1697: }
                   1698:
1.111     schwarze 1699: static void
1.3       schwarze 1700: pre_sp(DECL_ARGS)
1.1       schwarze 1701: {
1.111     schwarze 1702:        if (outflags & MMAN_PP) {
1.38      schwarze 1703:                outflags &= ~MMAN_PP;
                   1704:                print_line(".PP", 0);
1.111     schwarze 1705:        } else {
1.38      schwarze 1706:                print_line(".sp", 0);
1.111     schwarze 1707:                if (n->child != NULL)
                   1708:                        print_word(n->child->string);
                   1709:        }
1.18      schwarze 1710:        outflags |= MMAN_nl;
1.15      schwarze 1711: }
                   1712:
                   1713: static int
1.24      schwarze 1714: pre_sy(DECL_ARGS)
                   1715: {
                   1716:
                   1717:        font_push('B');
1.92      schwarze 1718:        return 1;
1.112     schwarze 1719: }
                   1720:
                   1721: static void
                   1722: pre_ta(DECL_ARGS)
                   1723: {
                   1724:        print_line(".ta", 0);
                   1725:        for (n = n->child; n != NULL; n = n->next)
                   1726:                print_word(n->string);
                   1727:        outflags |= MMAN_nl;
1.24      schwarze 1728: }
                   1729:
                   1730: static int
1.15      schwarze 1731: pre_vt(DECL_ARGS)
                   1732: {
                   1733:
1.96      schwarze 1734:        if (NODE_SYNPRETTY & n->flags) {
1.16      schwarze 1735:                switch (n->type) {
1.87      schwarze 1736:                case ROFFT_BLOCK:
1.21      schwarze 1737:                        pre_syn(n);
1.92      schwarze 1738:                        return 1;
1.87      schwarze 1739:                case ROFFT_BODY:
1.16      schwarze 1740:                        break;
                   1741:                default:
1.92      schwarze 1742:                        return 0;
1.16      schwarze 1743:                }
1.15      schwarze 1744:        }
1.24      schwarze 1745:        font_push('I');
1.92      schwarze 1746:        return 1;
1.15      schwarze 1747: }
                   1748:
                   1749: static void
                   1750: post_vt(DECL_ARGS)
                   1751: {
1.16      schwarze 1752:
1.96      schwarze 1753:        if (n->flags & NODE_SYNPRETTY && n->type != ROFFT_BODY)
1.16      schwarze 1754:                return;
1.24      schwarze 1755:        font_pop();
1.1       schwarze 1756: }
                   1757:
                   1758: static int
                   1759: pre_xr(DECL_ARGS)
                   1760: {
                   1761:
                   1762:        n = n->child;
                   1763:        if (NULL == n)
1.92      schwarze 1764:                return 0;
1.42      schwarze 1765:        print_node(meta, n);
1.1       schwarze 1766:        n = n->next;
                   1767:        if (NULL == n)
1.92      schwarze 1768:                return 0;
1.18      schwarze 1769:        outflags &= ~MMAN_spc;
                   1770:        print_word("(");
1.42      schwarze 1771:        print_node(meta, n);
1.18      schwarze 1772:        print_word(")");
1.92      schwarze 1773:        return 0;
1.1       schwarze 1774: }