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Annotation of src/usr.bin/mandoc/mdoc_man.c, Revision 1.93

1.93    ! schwarze    1: /*     $OpenBSD: mdoc_man.c,v 1.92 2015/10/06 18:30:44 schwarze Exp $ */
1.1       schwarze    2: /*
1.80      schwarze    3:  * Copyright (c) 2011-2015 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>
                     21: #include <string.h>
                     22:
1.87      schwarze   23: #include "mandoc_aux.h"
1.1       schwarze   24: #include "mandoc.h"
1.87      schwarze   25: #include "roff.h"
                     26: #include "mdoc.h"
                     27: #include "man.h"
1.8       schwarze   28: #include "out.h"
1.1       schwarze   29: #include "main.h"
                     30:
1.89      schwarze   31: #define        DECL_ARGS const struct roff_meta *meta, struct roff_node *n
1.1       schwarze   32:
                     33: struct manact {
1.4       schwarze   34:        int             (*cond)(DECL_ARGS); /* DON'T run actions */
                     35:        int             (*pre)(DECL_ARGS); /* pre-node action */
                     36:        void            (*post)(DECL_ARGS); /* post-node action */
                     37:        const char       *prefix; /* pre-node string constant */
                     38:        const char       *suffix; /* post-node string constant */
1.1       schwarze   39: };
                     40:
1.4       schwarze   41: static int       cond_body(DECL_ARGS);
1.1       schwarze   42: static int       cond_head(DECL_ARGS);
1.24      schwarze   43: static  void     font_push(char);
                     44: static void      font_pop(void);
1.46      schwarze   45: static void      mid_it(void);
1.32      schwarze   46: static void      post__t(DECL_ARGS);
1.72      schwarze   47: static void      post_aq(DECL_ARGS);
1.4       schwarze   48: static void      post_bd(DECL_ARGS);
1.25      schwarze   49: static void      post_bf(DECL_ARGS);
1.10      schwarze   50: static void      post_bk(DECL_ARGS);
1.28      schwarze   51: static void      post_bl(DECL_ARGS);
1.4       schwarze   52: static void      post_dl(DECL_ARGS);
1.63      schwarze   53: static void      post_en(DECL_ARGS);
1.1       schwarze   54: static void      post_enc(DECL_ARGS);
1.26      schwarze   55: static void      post_eo(DECL_ARGS);
1.14      schwarze   56: static void      post_fa(DECL_ARGS);
1.27      schwarze   57: static void      post_fd(DECL_ARGS);
1.24      schwarze   58: static void      post_fl(DECL_ARGS);
1.13      schwarze   59: static void      post_fn(DECL_ARGS);
1.14      schwarze   60: static void      post_fo(DECL_ARGS);
1.24      schwarze   61: static void      post_font(DECL_ARGS);
1.12      schwarze   62: static void      post_in(DECL_ARGS);
1.28      schwarze   63: static void      post_it(DECL_ARGS);
1.11      schwarze   64: static void      post_lb(DECL_ARGS);
1.4       schwarze   65: static void      post_nm(DECL_ARGS);
1.1       schwarze   66: static void      post_percent(DECL_ARGS);
1.4       schwarze   67: static void      post_pf(DECL_ARGS);
1.3       schwarze   68: static void      post_sect(DECL_ARGS);
1.4       schwarze   69: static void      post_sp(DECL_ARGS);
1.15      schwarze   70: static void      post_vt(DECL_ARGS);
1.32      schwarze   71: static int       pre__t(DECL_ARGS);
1.20      schwarze   72: static int       pre_an(DECL_ARGS);
1.3       schwarze   73: static int       pre_ap(DECL_ARGS);
1.72      schwarze   74: static int       pre_aq(DECL_ARGS);
1.3       schwarze   75: static int       pre_bd(DECL_ARGS);
1.25      schwarze   76: static int       pre_bf(DECL_ARGS);
1.10      schwarze   77: static int       pre_bk(DECL_ARGS);
1.28      schwarze   78: static int       pre_bl(DECL_ARGS);
1.3       schwarze   79: static int       pre_br(DECL_ARGS);
1.5       schwarze   80: static int       pre_bx(DECL_ARGS);
1.1       schwarze   81: static int       pre_dl(DECL_ARGS);
1.63      schwarze   82: static int       pre_en(DECL_ARGS);
1.4       schwarze   83: static int       pre_enc(DECL_ARGS);
1.24      schwarze   84: static int       pre_em(DECL_ARGS);
1.73      schwarze   85: static int       pre_skip(DECL_ARGS);
1.74      schwarze   86: static int       pre_eo(DECL_ARGS);
1.66      schwarze   87: static int       pre_ex(DECL_ARGS);
1.14      schwarze   88: static int       pre_fa(DECL_ARGS);
1.27      schwarze   89: static int       pre_fd(DECL_ARGS);
1.24      schwarze   90: static int       pre_fl(DECL_ARGS);
1.13      schwarze   91: static int       pre_fn(DECL_ARGS);
1.14      schwarze   92: static int       pre_fo(DECL_ARGS);
1.21      schwarze   93: static int       pre_ft(DECL_ARGS);
1.12      schwarze   94: static int       pre_in(DECL_ARGS);
1.1       schwarze   95: static int       pre_it(DECL_ARGS);
1.22      schwarze   96: static int       pre_lk(DECL_ARGS);
1.24      schwarze   97: static int       pre_li(DECL_ARGS);
1.60      schwarze   98: static int       pre_ll(DECL_ARGS);
1.1       schwarze   99: static int       pre_nm(DECL_ARGS);
1.23      schwarze  100: static int       pre_no(DECL_ARGS);
1.1       schwarze  101: static int       pre_ns(DECL_ARGS);
                    102: static int       pre_pp(DECL_ARGS);
1.32      schwarze  103: static int       pre_rs(DECL_ARGS);
1.66      schwarze  104: static int       pre_rv(DECL_ARGS);
1.9       schwarze  105: static int       pre_sm(DECL_ARGS);
1.3       schwarze  106: static int       pre_sp(DECL_ARGS);
1.4       schwarze  107: static int       pre_sect(DECL_ARGS);
1.24      schwarze  108: static int       pre_sy(DECL_ARGS);
1.88      schwarze  109: static void      pre_syn(const struct roff_node *);
1.15      schwarze  110: static int       pre_vt(DECL_ARGS);
1.5       schwarze  111: static int       pre_ux(DECL_ARGS);
1.1       schwarze  112: static int       pre_xr(DECL_ARGS);
1.18      schwarze  113: static void      print_word(const char *);
1.34      schwarze  114: static void      print_line(const char *, int);
                    115: static void      print_block(const char *, int);
1.69      schwarze  116: static void      print_offs(const char *, int);
1.79      schwarze  117: static void      print_width(const struct mdoc_bl *,
1.88      schwarze  118:                        const struct roff_node *);
1.28      schwarze  119: static void      print_count(int *);
1.4       schwarze  120: static void      print_node(DECL_ARGS);
1.1       schwarze  121:
1.3       schwarze  122: static const struct manact manacts[MDOC_MAX + 1] = {
                    123:        { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
                    124:        { NULL, NULL, NULL, NULL, NULL }, /* Dd */
                    125:        { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.5       schwarze  126:        { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3       schwarze  127:        { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
                    128:        { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1       schwarze  129:        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3       schwarze  130:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1       schwarze  131:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3       schwarze  132:        { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
                    133:        { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.28      schwarze  134:        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3       schwarze  135:        { NULL, NULL, NULL, NULL, NULL }, /* El */
1.28      schwarze  136:        { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.24      schwarze  137:        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.20      schwarze  138:        { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.24      schwarze  139:        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
                    140:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
                    141:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
                    142:        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
                    143:        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
                    144:        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.66      schwarze  145:        { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
1.14      schwarze  146:        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.27      schwarze  147:        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.24      schwarze  148:        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.13      schwarze  149:        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.24      schwarze  150:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
                    151:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.12      schwarze  152:        { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.24      schwarze  153:        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1       schwarze  154:        { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
                    155:        { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
                    156:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.63      schwarze  157:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ot */
1.24      schwarze  158:        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.66      schwarze  159:        { NULL, pre_rv, NULL, NULL, NULL }, /* Rv */
1.5       schwarze  160:        { NULL, NULL, NULL, NULL, NULL }, /* St */
1.24      schwarze  161:        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.15      schwarze  162:        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.5       schwarze  163:        { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.32      schwarze  164:        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
                    165:        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
                    166:        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
                    167:        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
                    168:        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
                    169:        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
                    170:        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
                    171:        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
                    172:        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
                    173:        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
                    174:        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.6       schwarze  175:        { NULL, NULL, NULL, NULL, NULL }, /* Ac */
1.72      schwarze  176:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */
                    177:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
1.5       schwarze  178:        { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3       schwarze  179:        { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.25      schwarze  180:        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3       schwarze  181:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
                    182:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.5       schwarze  183:        { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
                    184:        { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
1.73      schwarze  185:        { NULL, pre_skip, NULL, NULL, NULL }, /* Db */
1.6       schwarze  186:        { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.86      schwarze  187:        { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Do */
                    188:        { cond_body, pre_enc, post_enc, "\\(Lq", "\\(Rq" }, /* Dq */
1.26      schwarze  189:        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
                    190:        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.24      schwarze  191:        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.74      schwarze  192:        { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
1.5       schwarze  193:        { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.24      schwarze  194:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.23      schwarze  195:        { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1       schwarze  196:        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.5       schwarze  197:        { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
                    198:        { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3       schwarze  199:        { NULL, NULL, NULL, NULL, NULL }, /* Pc */
                    200:        { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
                    201:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
                    202:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.6       schwarze  203:        { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.50      schwarze  204:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.6       schwarze  205:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
                    206:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
                    207:        { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.32      schwarze  208:        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.6       schwarze  209:        { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.50      schwarze  210:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
                    211:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.9       schwarze  212:        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.24      schwarze  213:        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
                    214:        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
                    215:        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.5       schwarze  216:        { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.32      schwarze  217:        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
                    218:        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.14      schwarze  219:        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
                    220:        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3       schwarze  221:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.6       schwarze  222:        { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.10      schwarze  223:        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
                    224:        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.5       schwarze  225:        { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
                    226:        { NULL, NULL, NULL, NULL, NULL }, /* Hf */
1.63      schwarze  227:        { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
1.5       schwarze  228:        { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.11      schwarze  229:        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3       schwarze  230:        { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.22      schwarze  231:        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.24      schwarze  232:        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.6       schwarze  233:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
                    234:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
                    235:        { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.32      schwarze  236:        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.73      schwarze  237:        { NULL, pre_skip, NULL, NULL, NULL }, /* Es */
1.63      schwarze  238:        { cond_body, pre_en, post_en, NULL, NULL }, /* En */
1.5       schwarze  239:        { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.32      schwarze  240:        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3       schwarze  241:        { NULL, pre_br, NULL, NULL, NULL }, /* br */
                    242:        { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.32      schwarze  243:        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
                    244:        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.60      schwarze  245:        { NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
1.3       schwarze  246:        { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1       schwarze  247: };
                    248:
1.18      schwarze  249: static int             outflags;
1.34      schwarze  250: #define        MMAN_spc        (1 << 0)  /* blank character before next word */
                    251: #define        MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
                    252: #define        MMAN_nl         (1 << 2)  /* break man(7) code line */
                    253: #define        MMAN_br         (1 << 3)  /* break output line */
                    254: #define        MMAN_sp         (1 << 4)  /* insert a blank output line */
                    255: #define        MMAN_PP         (1 << 5)  /* reset indentation etc. */
                    256: #define        MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
                    257: #define        MMAN_Bk         (1 << 7)  /* word keep mode */
1.45      schwarze  258: #define        MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
                    259: #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
                    260: #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
                    261: #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
1.55      schwarze  262: #define        MMAN_nbrword    (1 << 12) /* do not break the next word */
1.18      schwarze  263:
1.43      schwarze  264: #define        BL_STACK_MAX    32
                    265:
1.79      schwarze  266: static int             Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
1.43      schwarze  267: static int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
                    268: static int             Bl_stack_len;  /* number of nested Bl blocks */
1.35      schwarze  269: static int             TPremain;  /* characters before tag is full */
                    270:
1.24      schwarze  271: static struct {
                    272:        char    *head;
                    273:        char    *tail;
                    274:        size_t   size;
                    275: }      fontqueue;
                    276:
1.61      schwarze  277:
1.24      schwarze  278: static void
                    279: font_push(char newfont)
                    280: {
                    281:
                    282:        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
                    283:                fontqueue.size += 8;
                    284:                fontqueue.head = mandoc_realloc(fontqueue.head,
1.61      schwarze  285:                    fontqueue.size);
1.24      schwarze  286:        }
                    287:        *fontqueue.tail = newfont;
1.35      schwarze  288:        print_word("");
                    289:        printf("\\f");
1.24      schwarze  290:        putchar(newfont);
                    291:        outflags &= ~MMAN_spc;
                    292: }
                    293:
                    294: static void
                    295: font_pop(void)
                    296: {
                    297:
                    298:        if (fontqueue.tail > fontqueue.head)
                    299:                fontqueue.tail--;
                    300:        outflags &= ~MMAN_spc;
1.35      schwarze  301:        print_word("");
                    302:        printf("\\f");
1.24      schwarze  303:        putchar(*fontqueue.tail);
                    304: }
                    305:
1.1       schwarze  306: static void
1.18      schwarze  307: print_word(const char *s)
1.1       schwarze  308: {
1.4       schwarze  309:
1.34      schwarze  310:        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.61      schwarze  311:                /*
1.4       schwarze  312:                 * If we need a newline, print it now and start afresh.
                    313:                 */
1.34      schwarze  314:                if (MMAN_PP & outflags) {
1.44      schwarze  315:                        if (MMAN_sp & outflags) {
                    316:                                if (MMAN_PD & outflags) {
                    317:                                        printf("\n.PD");
                    318:                                        outflags &= ~MMAN_PD;
                    319:                                }
                    320:                        } else if ( ! (MMAN_PD & outflags)) {
                    321:                                printf("\n.PD 0");
                    322:                                outflags |= MMAN_PD;
                    323:                        }
1.34      schwarze  324:                        printf("\n.PP\n");
                    325:                } else if (MMAN_sp & outflags)
1.19      schwarze  326:                        printf("\n.sp\n");
                    327:                else if (MMAN_br & outflags)
                    328:                        printf("\n.br\n");
                    329:                else if (MMAN_nl & outflags)
                    330:                        putchar('\n');
1.34      schwarze  331:                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.35      schwarze  332:                if (1 == TPremain)
                    333:                        printf(".br\n");
                    334:                TPremain = 0;
                    335:        } else if (MMAN_spc & outflags) {
1.4       schwarze  336:                /*
1.23      schwarze  337:                 * If we need a space, only print it if
                    338:                 * (1) it is forced by `No' or
                    339:                 * (2) what follows is not terminating punctuation or
                    340:                 * (3) what follows is longer than one character.
1.4       schwarze  341:                 */
1.35      schwarze  342:                if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.23      schwarze  343:                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.45      schwarze  344:                        if (MMAN_Bk & outflags &&
                    345:                            ! (MMAN_Bk_susp & outflags))
1.10      schwarze  346:                                putchar('\\');
1.39      millert   347:                        putchar(' ');
1.35      schwarze  348:                        if (TPremain)
                    349:                                TPremain--;
1.10      schwarze  350:                }
1.35      schwarze  351:        }
1.4       schwarze  352:
                    353:        /*
                    354:         * Reassign needing space if we're not following opening
                    355:         * punctuation.
                    356:         */
1.35      schwarze  357:        if (MMAN_Sm & outflags && ('\0' == s[0] ||
                    358:            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.18      schwarze  359:                outflags |= MMAN_spc;
                    360:        else
                    361:                outflags &= ~MMAN_spc;
1.45      schwarze  362:        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.4       schwarze  363:
1.1       schwarze  364:        for ( ; *s; s++) {
                    365:                switch (*s) {
1.61      schwarze  366:                case ASCII_NBRSP:
1.39      millert   367:                        printf("\\ ");
1.1       schwarze  368:                        break;
1.61      schwarze  369:                case ASCII_HYPH:
1.1       schwarze  370:                        putchar('-');
1.57      schwarze  371:                        break;
1.61      schwarze  372:                case ASCII_BREAK:
1.57      schwarze  373:                        printf("\\:");
1.1       schwarze  374:                        break;
1.61      schwarze  375:                case ' ':
1.55      schwarze  376:                        if (MMAN_nbrword & outflags) {
                    377:                                printf("\\ ");
                    378:                                break;
                    379:                        }
                    380:                        /* FALLTHROUGH */
1.1       schwarze  381:                default:
1.4       schwarze  382:                        putchar((unsigned char)*s);
1.1       schwarze  383:                        break;
                    384:                }
1.35      schwarze  385:                if (TPremain)
                    386:                        TPremain--;
1.1       schwarze  387:        }
1.55      schwarze  388:        outflags &= ~MMAN_nbrword;
1.1       schwarze  389: }
                    390:
1.8       schwarze  391: static void
1.34      schwarze  392: print_line(const char *s, int newflags)
                    393: {
                    394:
                    395:        outflags &= ~MMAN_br;
                    396:        outflags |= MMAN_nl;
                    397:        print_word(s);
                    398:        outflags |= newflags;
                    399: }
                    400:
                    401: static void
                    402: print_block(const char *s, int newflags)
                    403: {
                    404:
                    405:        outflags &= ~MMAN_PP;
1.44      schwarze  406:        if (MMAN_sp & outflags) {
1.34      schwarze  407:                outflags &= ~(MMAN_sp | MMAN_br);
1.44      schwarze  408:                if (MMAN_PD & outflags) {
                    409:                        print_line(".PD", 0);
                    410:                        outflags &= ~MMAN_PD;
                    411:                }
1.45      schwarze  412:        } else if (! (MMAN_PD & outflags))
                    413:                print_line(".PD 0", MMAN_PD);
1.34      schwarze  414:        outflags |= MMAN_nl;
                    415:        print_word(s);
1.45      schwarze  416:        outflags |= MMAN_Bk_susp | newflags;
1.34      schwarze  417: }
                    418:
                    419: static void
1.69      schwarze  420: print_offs(const char *v, int keywords)
1.8       schwarze  421: {
                    422:        char              buf[24];
                    423:        struct roffsu     su;
1.79      schwarze  424:        int               sz;
1.8       schwarze  425:
1.47      schwarze  426:        print_line(".RS", MMAN_Bk_susp);
                    427:
1.43      schwarze  428:        /* Convert v into a number (of characters). */
1.69      schwarze  429:        if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
1.8       schwarze  430:                sz = 0;
1.69      schwarze  431:        else if (keywords && !strcmp(v, "indent"))
1.8       schwarze  432:                sz = 6;
1.69      schwarze  433:        else if (keywords && !strcmp(v, "indent-two"))
1.8       schwarze  434:                sz = 12;
1.77      schwarze  435:        else if (a2roffsu(v, &su, SCALE_EN) > 1) {
1.43      schwarze  436:                if (SCALE_EN == su.unit)
                    437:                        sz = su.scale;
                    438:                else {
                    439:                        /*
                    440:                         * XXX
                    441:                         * If we are inside an enclosing list,
                    442:                         * there is no easy way to add the two
                    443:                         * indentations because they are provided
                    444:                         * in terms of different units.
                    445:                         */
                    446:                        print_word(v);
1.47      schwarze  447:                        outflags |= MMAN_nl;
1.43      schwarze  448:                        return;
                    449:                }
1.8       schwarze  450:        } else
                    451:                sz = strlen(v);
                    452:
1.43      schwarze  453:        /*
                    454:         * We are inside an enclosing list.
                    455:         * Add the two indentations.
                    456:         */
                    457:        if (Bl_stack_len)
                    458:                sz += Bl_stack[Bl_stack_len - 1];
                    459:
1.79      schwarze  460:        (void)snprintf(buf, sizeof(buf), "%dn", sz);
1.18      schwarze  461:        print_word(buf);
1.47      schwarze  462:        outflags |= MMAN_nl;
1.8       schwarze  463: }
                    464:
1.46      schwarze  465: /*
                    466:  * Set up the indentation for a list item; used from pre_it().
                    467:  */
1.59      schwarze  468: static void
1.88      schwarze  469: print_width(const struct mdoc_bl *bl, const struct roff_node *child)
1.28      schwarze  470: {
                    471:        char              buf[24];
                    472:        struct roffsu     su;
1.79      schwarze  473:        int               numeric, remain, sz, chsz;
1.29      schwarze  474:
1.35      schwarze  475:        numeric = 1;
                    476:        remain = 0;
1.43      schwarze  477:
1.79      schwarze  478:        /* Convert the width into a number (of characters). */
                    479:        if (bl->width == NULL)
                    480:                sz = (bl->type == LIST_hang) ? 6 : 0;
                    481:        else if (a2roffsu(bl->width, &su, SCALE_MAX) > 1) {
1.28      schwarze  482:                if (SCALE_EN == su.unit)
                    483:                        sz = su.scale;
                    484:                else {
1.35      schwarze  485:                        sz = 0;
                    486:                        numeric = 0;
1.28      schwarze  487:                }
                    488:        } else
1.79      schwarze  489:                sz = strlen(bl->width);
1.28      schwarze  490:
1.35      schwarze  491:        /* XXX Rough estimation, might have multiple parts. */
1.79      schwarze  492:        if (bl->type == LIST_enum)
                    493:                chsz = (bl->count > 8) + 1;
1.87      schwarze  494:        else if (child != NULL && child->type == ROFFT_TEXT)
1.79      schwarze  495:                chsz = strlen(child->string);
                    496:        else
                    497:                chsz = 0;
1.35      schwarze  498:
1.46      schwarze  499:        /* Maybe we are inside an enclosing list? */
                    500:        mid_it();
1.43      schwarze  501:
                    502:        /*
                    503:         * Save our own indentation,
                    504:         * such that child lists can use it.
                    505:         */
                    506:        Bl_stack[Bl_stack_len++] = sz + 2;
                    507:
                    508:        /* Set up the current list. */
1.79      schwarze  509:        if (chsz > sz && bl->type != LIST_tag)
1.34      schwarze  510:                print_block(".HP", 0);
1.35      schwarze  511:        else {
1.34      schwarze  512:                print_block(".TP", 0);
1.35      schwarze  513:                remain = sz + 2;
                    514:        }
                    515:        if (numeric) {
1.79      schwarze  516:                (void)snprintf(buf, sizeof(buf), "%dn", sz + 2);
1.35      schwarze  517:                print_word(buf);
                    518:        } else
1.79      schwarze  519:                print_word(bl->width);
1.35      schwarze  520:        TPremain = remain;
1.28      schwarze  521: }
                    522:
1.59      schwarze  523: static void
1.28      schwarze  524: print_count(int *count)
                    525: {
1.62      schwarze  526:        char              buf[24];
1.28      schwarze  527:
1.79      schwarze  528:        (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count);
1.28      schwarze  529:        print_word(buf);
                    530: }
                    531:
                    532: void
1.90      schwarze  533: man_man(void *arg, const struct roff_man *man)
1.4       schwarze  534: {
                    535:
                    536:        /*
                    537:         * Dump the keep buffer.
                    538:         * We're guaranteed by now that this exists (is non-NULL).
                    539:         * Flush stdout afterward, just in case.
                    540:         */
                    541:        fputs(mparse_getkeep(man_mparse(man)), stdout);
                    542:        fflush(stdout);
                    543: }
                    544:
                    545: void
1.90      schwarze  546: man_mdoc(void *arg, const struct roff_man *mdoc)
1.1       schwarze  547: {
1.88      schwarze  548:        struct roff_node *n;
1.1       schwarze  549:
1.41      millert   550:        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.91      schwarze  551:            mdoc->meta.title,
                    552:            (mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),
                    553:            mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);
1.41      millert   554:
                    555:        /* Disable hyphenation and if nroff, disable justification. */
                    556:        printf(".nh\n.if n .ad l");
1.1       schwarze  557:
1.18      schwarze  558:        outflags = MMAN_nl | MMAN_Sm;
1.24      schwarze  559:        if (0 == fontqueue.size) {
                    560:                fontqueue.size = 8;
                    561:                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
                    562:                *fontqueue.tail = 'R';
                    563:        }
1.91      schwarze  564:        for (n = mdoc->first->child; n != NULL; n = n->next)
                    565:                print_node(&mdoc->meta, n);
1.3       schwarze  566:        putchar('\n');
1.1       schwarze  567: }
                    568:
                    569: static void
                    570: print_node(DECL_ARGS)
                    571: {
1.4       schwarze  572:        const struct manact     *act;
1.88      schwarze  573:        struct roff_node        *sub;
1.1       schwarze  574:        int                      cond, do_sub;
1.45      schwarze  575:
1.4       schwarze  576:        /*
                    577:         * Break the line if we were parsed subsequent the current node.
                    578:         * This makes the page structure be more consistent.
                    579:         */
1.51      schwarze  580:        if (MMAN_spc & outflags && MDOC_LINE & n->flags)
1.18      schwarze  581:                outflags |= MMAN_nl;
1.1       schwarze  582:
1.4       schwarze  583:        act = NULL;
1.1       schwarze  584:        cond = 0;
                    585:        do_sub = 1;
1.85      schwarze  586:        n->flags &= ~MDOC_ENDED;
1.4       schwarze  587:
1.87      schwarze  588:        if (n->type == ROFFT_TEXT) {
1.4       schwarze  589:                /*
                    590:                 * Make sure that we don't happen to start with a
                    591:                 * control character at the start of a line.
                    592:                 */
1.61      schwarze  593:                if (MMAN_nl & outflags &&
                    594:                    ('.' == *n->string || '\'' == *n->string)) {
1.35      schwarze  595:                        print_word("");
                    596:                        printf("\\&");
1.18      schwarze  597:                        outflags &= ~MMAN_spc;
1.3       schwarze  598:                }
1.71      schwarze  599:                if (outflags & MMAN_Sm && ! (n->flags & MDOC_DELIMC))
                    600:                        outflags |= MMAN_spc_force;
1.18      schwarze  601:                print_word(n->string);
1.71      schwarze  602:                if (outflags & MMAN_Sm && ! (n->flags & MDOC_DELIMO))
                    603:                        outflags |= MMAN_spc;
1.1       schwarze  604:        } else {
1.4       schwarze  605:                /*
                    606:                 * Conditionally run the pre-node action handler for a
                    607:                 * node.
                    608:                 */
1.1       schwarze  609:                act = manacts + n->tok;
1.74      schwarze  610:                cond = act->cond == NULL || (*act->cond)(meta, n);
                    611:                if (cond && act->pre && (n->end == ENDBODY_NOT || n->nchild))
1.42      schwarze  612:                        do_sub = (*act->pre)(meta, n);
1.1       schwarze  613:        }
                    614:
1.61      schwarze  615:        /*
1.4       schwarze  616:         * Conditionally run all child nodes.
                    617:         * Note that this iterates over children instead of using
                    618:         * recursion.  This prevents unnecessary depth in the stack.
                    619:         */
1.1       schwarze  620:        if (do_sub)
                    621:                for (sub = n->child; sub; sub = sub->next)
1.42      schwarze  622:                        print_node(meta, sub);
1.1       schwarze  623:
1.4       schwarze  624:        /*
                    625:         * Lastly, conditionally run the post-node handler.
                    626:         */
1.58      schwarze  627:        if (MDOC_ENDED & n->flags)
                    628:                return;
                    629:
1.1       schwarze  630:        if (cond && act->post)
1.42      schwarze  631:                (*act->post)(meta, n);
1.58      schwarze  632:
                    633:        if (ENDBODY_NOT != n->end)
1.85      schwarze  634:                n->body->flags |= MDOC_ENDED;
1.58      schwarze  635:
                    636:        if (ENDBODY_NOSPACE == n->end)
                    637:                outflags &= ~(MMAN_spc | MMAN_nl);
1.1       schwarze  638: }
                    639:
                    640: static int
                    641: cond_head(DECL_ARGS)
                    642: {
1.4       schwarze  643:
1.92      schwarze  644:        return n->type == ROFFT_HEAD;
1.1       schwarze  645: }
                    646:
                    647: static int
                    648: cond_body(DECL_ARGS)
                    649: {
1.4       schwarze  650:
1.92      schwarze  651:        return n->type == ROFFT_BODY;
1.1       schwarze  652: }
                    653:
                    654: static int
                    655: pre_enc(DECL_ARGS)
                    656: {
1.4       schwarze  657:        const char      *prefix;
1.1       schwarze  658:
                    659:        prefix = manacts[n->tok].prefix;
                    660:        if (NULL == prefix)
1.92      schwarze  661:                return 1;
1.18      schwarze  662:        print_word(prefix);
                    663:        outflags &= ~MMAN_spc;
1.92      schwarze  664:        return 1;
1.1       schwarze  665: }
                    666:
                    667: static void
                    668: post_enc(DECL_ARGS)
                    669: {
                    670:        const char *suffix;
                    671:
                    672:        suffix = manacts[n->tok].suffix;
                    673:        if (NULL == suffix)
                    674:                return;
1.58      schwarze  675:        outflags &= ~(MMAN_spc | MMAN_nl);
1.18      schwarze  676:        print_word(suffix);
1.24      schwarze  677: }
                    678:
1.66      schwarze  679: static int
                    680: pre_ex(DECL_ARGS)
                    681: {
                    682:        int      nchild;
                    683:
                    684:        outflags |= MMAN_br | MMAN_nl;
                    685:
                    686:        print_word("The");
                    687:
                    688:        nchild = n->nchild;
                    689:        for (n = n->child; n; n = n->next) {
                    690:                font_push('B');
                    691:                print_word(n->string);
                    692:                font_pop();
                    693:
                    694:                if (n->next == NULL)
                    695:                        continue;
                    696:
                    697:                if (nchild > 2) {
                    698:                        outflags &= ~MMAN_spc;
                    699:                        print_word(",");
                    700:                }
                    701:                if (n->next->next == NULL)
                    702:                        print_word("and");
                    703:        }
                    704:
                    705:        if (nchild > 1)
                    706:                print_word("utilities exit\\~0");
                    707:        else
                    708:                print_word("utility exits\\~0");
                    709:
                    710:        print_word("on success, and\\~>0 if an error occurs.");
                    711:        outflags |= MMAN_nl;
1.92      schwarze  712:        return 0;
1.66      schwarze  713: }
                    714:
1.24      schwarze  715: static void
                    716: post_font(DECL_ARGS)
                    717: {
                    718:
                    719:        font_pop();
1.1       schwarze  720: }
                    721:
                    722: static void
                    723: post_percent(DECL_ARGS)
                    724: {
                    725:
1.32      schwarze  726:        if (pre_em == manacts[n->tok].pre)
                    727:                font_pop();
                    728:        if (n->next) {
1.18      schwarze  729:                print_word(",");
1.32      schwarze  730:                if (n->prev &&  n->prev->tok == n->tok &&
                    731:                                n->next->tok == n->tok)
                    732:                        print_word("and");
                    733:        } else {
1.18      schwarze  734:                print_word(".");
                    735:                outflags |= MMAN_nl;
1.1       schwarze  736:        }
                    737: }
                    738:
1.32      schwarze  739: static int
                    740: pre__t(DECL_ARGS)
                    741: {
                    742:
1.61      schwarze  743:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    744:            n->parent->norm->Rs.quote_T) {
1.35      schwarze  745:                print_word("");
                    746:                putchar('\"');
1.32      schwarze  747:                outflags &= ~MMAN_spc;
                    748:        } else
                    749:                font_push('I');
1.92      schwarze  750:        return 1;
1.32      schwarze  751: }
                    752:
                    753: static void
                    754: post__t(DECL_ARGS)
                    755: {
                    756:
1.61      schwarze  757:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    758:            n->parent->norm->Rs.quote_T) {
1.32      schwarze  759:                outflags &= ~MMAN_spc;
1.35      schwarze  760:                print_word("");
                    761:                putchar('\"');
1.32      schwarze  762:        } else
                    763:                font_pop();
1.42      schwarze  764:        post_percent(meta, n);
1.32      schwarze  765: }
                    766:
1.4       schwarze  767: /*
                    768:  * Print before a section header.
                    769:  */
1.1       schwarze  770: static int
1.3       schwarze  771: pre_sect(DECL_ARGS)
                    772: {
                    773:
1.87      schwarze  774:        if (n->type == ROFFT_HEAD) {
1.45      schwarze  775:                outflags |= MMAN_sp;
                    776:                print_block(manacts[n->tok].prefix, 0);
                    777:                print_word("");
                    778:                putchar('\"');
                    779:                outflags &= ~MMAN_spc;
                    780:        }
1.92      schwarze  781:        return 1;
1.3       schwarze  782: }
                    783:
1.4       schwarze  784: /*
                    785:  * Print subsequent a section header.
                    786:  */
1.3       schwarze  787: static void
                    788: post_sect(DECL_ARGS)
                    789: {
                    790:
1.87      schwarze  791:        if (n->type != ROFFT_HEAD)
1.3       schwarze  792:                return;
1.18      schwarze  793:        outflags &= ~MMAN_spc;
1.35      schwarze  794:        print_word("");
                    795:        putchar('\"');
1.18      schwarze  796:        outflags |= MMAN_nl;
1.20      schwarze  797:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    798:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    799: }
                    800:
1.21      schwarze  801: /* See mdoc_term.c, synopsis_pre() for comments. */
                    802: static void
1.88      schwarze  803: pre_syn(const struct roff_node *n)
1.21      schwarze  804: {
                    805:
                    806:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
                    807:                return;
                    808:
                    809:        if (n->prev->tok == n->tok &&
1.61      schwarze  810:            MDOC_Ft != n->tok &&
                    811:            MDOC_Fo != n->tok &&
                    812:            MDOC_Fn != n->tok) {
1.21      schwarze  813:                outflags |= MMAN_br;
                    814:                return;
                    815:        }
                    816:
                    817:        switch (n->prev->tok) {
1.61      schwarze  818:        case MDOC_Fd:
                    819:        case MDOC_Fn:
                    820:        case MDOC_Fo:
                    821:        case MDOC_In:
                    822:        case MDOC_Vt:
1.21      schwarze  823:                outflags |= MMAN_sp;
                    824:                break;
1.61      schwarze  825:        case MDOC_Ft:
1.21      schwarze  826:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    827:                        outflags |= MMAN_sp;
                    828:                        break;
                    829:                }
                    830:                /* FALLTHROUGH */
                    831:        default:
                    832:                outflags |= MMAN_br;
                    833:                break;
                    834:        }
                    835: }
                    836:
1.20      schwarze  837: static int
                    838: pre_an(DECL_ARGS)
                    839: {
                    840:
                    841:        switch (n->norm->An.auth) {
1.61      schwarze  842:        case AUTH_split:
1.20      schwarze  843:                outflags &= ~MMAN_An_nosplit;
                    844:                outflags |= MMAN_An_split;
1.92      schwarze  845:                return 0;
1.61      schwarze  846:        case AUTH_nosplit:
1.20      schwarze  847:                outflags &= ~MMAN_An_split;
                    848:                outflags |= MMAN_An_nosplit;
1.92      schwarze  849:                return 0;
1.20      schwarze  850:        default:
                    851:                if (MMAN_An_split & outflags)
                    852:                        outflags |= MMAN_br;
                    853:                else if (SEC_AUTHORS == n->sec &&
                    854:                    ! (MMAN_An_nosplit & outflags))
                    855:                        outflags |= MMAN_An_split;
1.92      schwarze  856:                return 1;
1.20      schwarze  857:        }
1.3       schwarze  858: }
                    859:
                    860: static int
                    861: pre_ap(DECL_ARGS)
                    862: {
                    863:
1.18      schwarze  864:        outflags &= ~MMAN_spc;
                    865:        print_word("'");
                    866:        outflags &= ~MMAN_spc;
1.92      schwarze  867:        return 0;
1.72      schwarze  868: }
                    869:
                    870: static int
                    871: pre_aq(DECL_ARGS)
                    872: {
                    873:
1.80      schwarze  874:        print_word(n->nchild == 1 &&
                    875:            n->child->tok == MDOC_Mt ?  "<" : "\\(la");
1.72      schwarze  876:        outflags &= ~MMAN_spc;
1.92      schwarze  877:        return 1;
1.72      schwarze  878: }
                    879:
                    880: static void
                    881: post_aq(DECL_ARGS)
                    882: {
                    883:
                    884:        outflags &= ~(MMAN_spc | MMAN_nl);
1.80      schwarze  885:        print_word(n->nchild == 1 &&
                    886:            n->child->tok == MDOC_Mt ?  ">" : "\\(ra");
1.3       schwarze  887: }
                    888:
                    889: static int
                    890: pre_bd(DECL_ARGS)
                    891: {
                    892:
1.34      schwarze  893:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    894:
                    895:        if (DISP_unfilled == n->norm->Bd.type ||
                    896:            DISP_literal  == n->norm->Bd.type)
                    897:                print_line(".nf", 0);
                    898:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.19      schwarze  899:                outflags |= MMAN_sp;
1.69      schwarze  900:        print_offs(n->norm->Bd.offs, 1);
1.92      schwarze  901:        return 1;
1.3       schwarze  902: }
                    903:
                    904: static void
                    905: post_bd(DECL_ARGS)
                    906: {
                    907:
1.43      schwarze  908:        /* Close out this display. */
1.34      schwarze  909:        print_line(".RE", MMAN_nl);
1.3       schwarze  910:        if (DISP_unfilled == n->norm->Bd.type ||
1.34      schwarze  911:            DISP_literal  == n->norm->Bd.type)
                    912:                print_line(".fi", MMAN_nl);
1.43      schwarze  913:
1.46      schwarze  914:        /* Maybe we are inside an enclosing list? */
                    915:        if (NULL != n->parent->next)
                    916:                mid_it();
1.10      schwarze  917: }
                    918:
                    919: static int
1.25      schwarze  920: pre_bf(DECL_ARGS)
                    921: {
                    922:
                    923:        switch (n->type) {
1.87      schwarze  924:        case ROFFT_BLOCK:
1.92      schwarze  925:                return 1;
1.87      schwarze  926:        case ROFFT_BODY:
1.25      schwarze  927:                break;
                    928:        default:
1.92      schwarze  929:                return 0;
1.25      schwarze  930:        }
                    931:        switch (n->norm->Bf.font) {
1.61      schwarze  932:        case FONT_Em:
1.25      schwarze  933:                font_push('I');
                    934:                break;
1.61      schwarze  935:        case FONT_Sy:
1.25      schwarze  936:                font_push('B');
                    937:                break;
                    938:        default:
                    939:                font_push('R');
                    940:                break;
                    941:        }
1.92      schwarze  942:        return 1;
1.25      schwarze  943: }
                    944:
                    945: static void
                    946: post_bf(DECL_ARGS)
                    947: {
                    948:
1.87      schwarze  949:        if (n->type == ROFFT_BODY)
1.25      schwarze  950:                font_pop();
                    951: }
                    952:
                    953: static int
1.10      schwarze  954: pre_bk(DECL_ARGS)
                    955: {
                    956:
                    957:        switch (n->type) {
1.87      schwarze  958:        case ROFFT_BLOCK:
1.92      schwarze  959:                return 1;
1.87      schwarze  960:        case ROFFT_BODY:
1.18      schwarze  961:                outflags |= MMAN_Bk;
1.92      schwarze  962:                return 1;
1.10      schwarze  963:        default:
1.92      schwarze  964:                return 0;
1.10      schwarze  965:        }
                    966: }
                    967:
                    968: static void
                    969: post_bk(DECL_ARGS)
                    970: {
                    971:
1.87      schwarze  972:        if (n->type == ROFFT_BODY)
1.18      schwarze  973:                outflags &= ~MMAN_Bk;
1.3       schwarze  974: }
                    975:
                    976: static int
1.28      schwarze  977: pre_bl(DECL_ARGS)
                    978: {
1.31      schwarze  979:        size_t           icol;
1.28      schwarze  980:
1.48      schwarze  981:        /*
                    982:         * print_offs() will increase the -offset to account for
                    983:         * a possible enclosing .It, but any enclosed .It blocks
                    984:         * just nest and do not add up their indentation.
                    985:         */
                    986:        if (n->norm->Bl.offs) {
1.69      schwarze  987:                print_offs(n->norm->Bl.offs, 0);
1.48      schwarze  988:                Bl_stack[Bl_stack_len++] = 0;
                    989:        }
                    990:
1.31      schwarze  991:        switch (n->norm->Bl.type) {
1.61      schwarze  992:        case LIST_enum:
1.28      schwarze  993:                n->norm->Bl.count = 0;
1.92      schwarze  994:                return 1;
1.61      schwarze  995:        case LIST_column:
1.31      schwarze  996:                break;
                    997:        default:
1.92      schwarze  998:                return 1;
1.31      schwarze  999:        }
                   1000:
1.81      schwarze 1001:        if (n->nchild) {
                   1002:                print_line(".TS", MMAN_nl);
                   1003:                for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                   1004:                        print_word("l");
                   1005:                print_word(".");
                   1006:        }
1.34      schwarze 1007:        outflags |= MMAN_nl;
1.92      schwarze 1008:        return 1;
1.28      schwarze 1009: }
                   1010:
                   1011: static void
                   1012: post_bl(DECL_ARGS)
                   1013: {
                   1014:
1.31      schwarze 1015:        switch (n->norm->Bl.type) {
1.61      schwarze 1016:        case LIST_column:
1.81      schwarze 1017:                if (n->nchild)
                   1018:                        print_line(".TE", 0);
1.34      schwarze 1019:                break;
1.61      schwarze 1020:        case LIST_enum:
1.31      schwarze 1021:                n->norm->Bl.count = 0;
                   1022:                break;
                   1023:        default:
                   1024:                break;
                   1025:        }
1.48      schwarze 1026:
                   1027:        if (n->norm->Bl.offs) {
                   1028:                print_line(".RE", MMAN_nl);
                   1029:                assert(Bl_stack_len);
                   1030:                Bl_stack_len--;
                   1031:                assert(0 == Bl_stack[Bl_stack_len]);
                   1032:        } else {
                   1033:                outflags |= MMAN_PP | MMAN_nl;
                   1034:                outflags &= ~(MMAN_sp | MMAN_br);
                   1035:        }
1.46      schwarze 1036:
                   1037:        /* Maybe we are inside an enclosing list? */
                   1038:        if (NULL != n->parent->next)
                   1039:                mid_it();
                   1040:
1.28      schwarze 1041: }
                   1042:
                   1043: static int
1.3       schwarze 1044: pre_br(DECL_ARGS)
                   1045: {
                   1046:
1.19      schwarze 1047:        outflags |= MMAN_br;
1.92      schwarze 1048:        return 0;
1.3       schwarze 1049: }
                   1050:
                   1051: static int
1.5       schwarze 1052: pre_bx(DECL_ARGS)
                   1053: {
                   1054:
                   1055:        n = n->child;
                   1056:        if (n) {
1.18      schwarze 1057:                print_word(n->string);
                   1058:                outflags &= ~MMAN_spc;
1.5       schwarze 1059:                n = n->next;
                   1060:        }
1.18      schwarze 1061:        print_word("BSD");
1.5       schwarze 1062:        if (NULL == n)
1.92      schwarze 1063:                return 0;
1.18      schwarze 1064:        outflags &= ~MMAN_spc;
                   1065:        print_word("-");
                   1066:        outflags &= ~MMAN_spc;
                   1067:        print_word(n->string);
1.92      schwarze 1068:        return 0;
1.5       schwarze 1069: }
                   1070:
                   1071: static int
1.1       schwarze 1072: pre_dl(DECL_ARGS)
                   1073: {
                   1074:
1.69      schwarze 1075:        print_offs("6n", 0);
1.92      schwarze 1076:        return 1;
1.1       schwarze 1077: }
                   1078:
                   1079: static void
                   1080: post_dl(DECL_ARGS)
                   1081: {
                   1082:
1.34      schwarze 1083:        print_line(".RE", MMAN_nl);
1.46      schwarze 1084:
                   1085:        /* Maybe we are inside an enclosing list? */
                   1086:        if (NULL != n->parent->next)
                   1087:                mid_it();
1.13      schwarze 1088: }
                   1089:
                   1090: static int
1.24      schwarze 1091: pre_em(DECL_ARGS)
                   1092: {
                   1093:
                   1094:        font_push('I');
1.92      schwarze 1095:        return 1;
1.26      schwarze 1096: }
                   1097:
1.63      schwarze 1098: static int
                   1099: pre_en(DECL_ARGS)
                   1100: {
                   1101:
                   1102:        if (NULL == n->norm->Es ||
                   1103:            NULL == n->norm->Es->child)
1.92      schwarze 1104:                return 1;
1.63      schwarze 1105:
                   1106:        print_word(n->norm->Es->child->string);
                   1107:        outflags &= ~MMAN_spc;
1.92      schwarze 1108:        return 1;
1.63      schwarze 1109: }
                   1110:
                   1111: static void
                   1112: post_en(DECL_ARGS)
                   1113: {
                   1114:
                   1115:        if (NULL == n->norm->Es ||
                   1116:            NULL == n->norm->Es->child ||
                   1117:            NULL == n->norm->Es->child->next)
                   1118:                return;
                   1119:
                   1120:        outflags &= ~MMAN_spc;
                   1121:        print_word(n->norm->Es->child->next->string);
                   1122:        return;
                   1123: }
                   1124:
1.74      schwarze 1125: static int
                   1126: pre_eo(DECL_ARGS)
                   1127: {
                   1128:
1.82      schwarze 1129:        if (n->end == ENDBODY_NOT &&
                   1130:            n->parent->head->child == NULL &&
                   1131:            n->child != NULL &&
                   1132:            n->child->end != ENDBODY_NOT)
                   1133:                print_word("\\&");
                   1134:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.84      schwarze 1135:            n->parent->head->child != NULL && (n->child != NULL ||
                   1136:            (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.82      schwarze 1137:                outflags &= ~(MMAN_spc | MMAN_nl);
1.92      schwarze 1138:        return 1;
1.74      schwarze 1139: }
                   1140:
1.26      schwarze 1141: static void
                   1142: post_eo(DECL_ARGS)
                   1143: {
1.82      schwarze 1144:        int      body, tail;
                   1145:
                   1146:        if (n->end != ENDBODY_NOT) {
                   1147:                outflags |= MMAN_spc;
                   1148:                return;
                   1149:        }
1.26      schwarze 1150:
1.82      schwarze 1151:        body = n->child != NULL || n->parent->head->child != NULL;
                   1152:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1153:
                   1154:        if (body && tail)
1.26      schwarze 1155:                outflags &= ~MMAN_spc;
1.82      schwarze 1156:        else if ( ! (body || tail))
                   1157:                print_word("\\&");
                   1158:        else if ( ! tail)
                   1159:                outflags |= MMAN_spc;
1.63      schwarze 1160: }
                   1161:
                   1162: static int
1.14      schwarze 1163: pre_fa(DECL_ARGS)
                   1164: {
1.56      schwarze 1165:        int      am_Fa;
1.14      schwarze 1166:
1.56      schwarze 1167:        am_Fa = MDOC_Fa == n->tok;
                   1168:
                   1169:        if (am_Fa)
1.14      schwarze 1170:                n = n->child;
                   1171:
                   1172:        while (NULL != n) {
1.24      schwarze 1173:                font_push('I');
1.56      schwarze 1174:                if (am_Fa || MDOC_SYNPRETTY & n->flags)
1.55      schwarze 1175:                        outflags |= MMAN_nbrword;
1.42      schwarze 1176:                print_node(meta, n);
1.24      schwarze 1177:                font_pop();
1.14      schwarze 1178:                if (NULL != (n = n->next))
1.18      schwarze 1179:                        print_word(",");
1.14      schwarze 1180:        }
1.92      schwarze 1181:        return 0;
1.14      schwarze 1182: }
                   1183:
                   1184: static void
                   1185: post_fa(DECL_ARGS)
                   1186: {
                   1187:
                   1188:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.18      schwarze 1189:                print_word(",");
1.27      schwarze 1190: }
                   1191:
                   1192: static int
                   1193: pre_fd(DECL_ARGS)
                   1194: {
                   1195:
                   1196:        pre_syn(n);
                   1197:        font_push('B');
1.92      schwarze 1198:        return 1;
1.27      schwarze 1199: }
                   1200:
                   1201: static void
                   1202: post_fd(DECL_ARGS)
                   1203: {
                   1204:
                   1205:        font_pop();
                   1206:        outflags |= MMAN_br;
1.14      schwarze 1207: }
                   1208:
                   1209: static int
1.24      schwarze 1210: pre_fl(DECL_ARGS)
                   1211: {
                   1212:
                   1213:        font_push('B');
1.40      millert  1214:        print_word("\\-");
1.68      schwarze 1215:        if (n->nchild)
                   1216:                outflags &= ~MMAN_spc;
1.92      schwarze 1217:        return 1;
1.24      schwarze 1218: }
                   1219:
                   1220: static void
                   1221: post_fl(DECL_ARGS)
                   1222: {
                   1223:
                   1224:        font_pop();
1.68      schwarze 1225:        if ( ! (n->nchild ||
                   1226:            n->next == NULL ||
1.87      schwarze 1227:            n->next->type == ROFFT_TEXT ||
1.68      schwarze 1228:            n->next->flags & MDOC_LINE))
1.24      schwarze 1229:                outflags &= ~MMAN_spc;
                   1230: }
                   1231:
                   1232: static int
1.13      schwarze 1233: pre_fn(DECL_ARGS)
                   1234: {
                   1235:
1.21      schwarze 1236:        pre_syn(n);
                   1237:
1.13      schwarze 1238:        n = n->child;
                   1239:        if (NULL == n)
1.92      schwarze 1240:                return 0;
1.13      schwarze 1241:
1.54      schwarze 1242:        if (MDOC_SYNPRETTY & n->flags)
                   1243:                print_block(".HP 4n", MMAN_nl);
                   1244:
1.24      schwarze 1245:        font_push('B');
1.42      schwarze 1246:        print_node(meta, n);
1.24      schwarze 1247:        font_pop();
1.18      schwarze 1248:        outflags &= ~MMAN_spc;
1.24      schwarze 1249:        print_word("(");
1.18      schwarze 1250:        outflags &= ~MMAN_spc;
1.33      schwarze 1251:
                   1252:        n = n->next;
                   1253:        if (NULL != n)
1.42      schwarze 1254:                pre_fa(meta, n);
1.92      schwarze 1255:        return 0;
1.13      schwarze 1256: }
                   1257:
                   1258: static void
                   1259: post_fn(DECL_ARGS)
                   1260: {
                   1261:
1.18      schwarze 1262:        print_word(")");
1.13      schwarze 1263:        if (MDOC_SYNPRETTY & n->flags) {
1.18      schwarze 1264:                print_word(";");
1.54      schwarze 1265:                outflags |= MMAN_PP;
1.14      schwarze 1266:        }
                   1267: }
                   1268:
                   1269: static int
                   1270: pre_fo(DECL_ARGS)
                   1271: {
                   1272:
                   1273:        switch (n->type) {
1.87      schwarze 1274:        case ROFFT_BLOCK:
1.21      schwarze 1275:                pre_syn(n);
                   1276:                break;
1.87      schwarze 1277:        case ROFFT_HEAD:
1.83      schwarze 1278:                if (n->child == NULL)
1.92      schwarze 1279:                        return 0;
1.56      schwarze 1280:                if (MDOC_SYNPRETTY & n->flags)
                   1281:                        print_block(".HP 4n", MMAN_nl);
1.24      schwarze 1282:                font_push('B');
1.14      schwarze 1283:                break;
1.87      schwarze 1284:        case ROFFT_BODY:
1.83      schwarze 1285:                outflags &= ~(MMAN_spc | MMAN_nl);
1.18      schwarze 1286:                print_word("(");
                   1287:                outflags &= ~MMAN_spc;
1.14      schwarze 1288:                break;
                   1289:        default:
                   1290:                break;
                   1291:        }
1.92      schwarze 1292:        return 1;
1.14      schwarze 1293: }
1.56      schwarze 1294:
1.14      schwarze 1295: static void
                   1296: post_fo(DECL_ARGS)
                   1297: {
                   1298:
                   1299:        switch (n->type) {
1.87      schwarze 1300:        case ROFFT_HEAD:
1.83      schwarze 1301:                if (n->child != NULL)
                   1302:                        font_pop();
1.14      schwarze 1303:                break;
1.87      schwarze 1304:        case ROFFT_BODY:
1.42      schwarze 1305:                post_fn(meta, n);
1.14      schwarze 1306:                break;
                   1307:        default:
                   1308:                break;
1.13      schwarze 1309:        }
1.12      schwarze 1310: }
                   1311:
                   1312: static int
1.21      schwarze 1313: pre_ft(DECL_ARGS)
                   1314: {
                   1315:
                   1316:        pre_syn(n);
1.24      schwarze 1317:        font_push('I');
1.92      schwarze 1318:        return 1;
1.21      schwarze 1319: }
                   1320:
                   1321: static int
1.12      schwarze 1322: pre_in(DECL_ARGS)
                   1323: {
                   1324:
                   1325:        if (MDOC_SYNPRETTY & n->flags) {
1.21      schwarze 1326:                pre_syn(n);
1.24      schwarze 1327:                font_push('B');
                   1328:                print_word("#include <");
                   1329:                outflags &= ~MMAN_spc;
                   1330:        } else {
                   1331:                print_word("<");
                   1332:                outflags &= ~MMAN_spc;
                   1333:                font_push('I');
                   1334:        }
1.92      schwarze 1335:        return 1;
1.12      schwarze 1336: }
                   1337:
                   1338: static void
                   1339: post_in(DECL_ARGS)
                   1340: {
                   1341:
                   1342:        if (MDOC_SYNPRETTY & n->flags) {
1.24      schwarze 1343:                outflags &= ~MMAN_spc;
                   1344:                print_word(">");
                   1345:                font_pop();
1.19      schwarze 1346:                outflags |= MMAN_br;
1.24      schwarze 1347:        } else {
                   1348:                font_pop();
                   1349:                outflags &= ~MMAN_spc;
                   1350:                print_word(">");
                   1351:        }
1.1       schwarze 1352: }
                   1353:
                   1354: static int
                   1355: pre_it(DECL_ARGS)
                   1356: {
1.88      schwarze 1357:        const struct roff_node *bln;
1.1       schwarze 1358:
1.28      schwarze 1359:        switch (n->type) {
1.87      schwarze 1360:        case ROFFT_HEAD:
1.34      schwarze 1361:                outflags |= MMAN_PP | MMAN_nl;
1.28      schwarze 1362:                bln = n->parent->parent;
1.34      schwarze 1363:                if (0 == bln->norm->Bl.comp ||
1.37      schwarze 1364:                    (NULL == n->parent->prev &&
                   1365:                     NULL == bln->parent->prev))
1.34      schwarze 1366:                        outflags |= MMAN_sp;
                   1367:                outflags &= ~MMAN_br;
1.3       schwarze 1368:                switch (bln->norm->Bl.type) {
1.61      schwarze 1369:                case LIST_item:
1.92      schwarze 1370:                        return 0;
1.61      schwarze 1371:                case LIST_inset:
                   1372:                case LIST_diag:
                   1373:                case LIST_ohang:
1.28      schwarze 1374:                        if (bln->norm->Bl.type == LIST_diag)
1.34      schwarze 1375:                                print_line(".B \"", 0);
1.28      schwarze 1376:                        else
1.34      schwarze 1377:                                print_line(".R \"", 0);
1.28      schwarze 1378:                        outflags &= ~MMAN_spc;
1.92      schwarze 1379:                        return 1;
1.61      schwarze 1380:                case LIST_bullet:
                   1381:                case LIST_dash:
                   1382:                case LIST_hyphen:
1.79      schwarze 1383:                        print_width(&bln->norm->Bl, NULL);
1.35      schwarze 1384:                        TPremain = 0;
1.28      schwarze 1385:                        outflags |= MMAN_nl;
                   1386:                        font_push('B');
                   1387:                        if (LIST_bullet == bln->norm->Bl.type)
1.70      schwarze 1388:                                print_word("\\(bu");
1.28      schwarze 1389:                        else
                   1390:                                print_word("-");
                   1391:                        font_pop();
1.65      schwarze 1392:                        outflags |= MMAN_nl;
1.92      schwarze 1393:                        return 0;
1.61      schwarze 1394:                case LIST_enum:
1.79      schwarze 1395:                        print_width(&bln->norm->Bl, NULL);
1.35      schwarze 1396:                        TPremain = 0;
1.28      schwarze 1397:                        outflags |= MMAN_nl;
                   1398:                        print_count(&bln->norm->Bl.count);
1.65      schwarze 1399:                        outflags |= MMAN_nl;
1.92      schwarze 1400:                        return 0;
1.61      schwarze 1401:                case LIST_hang:
1.79      schwarze 1402:                        print_width(&bln->norm->Bl, n->child);
1.35      schwarze 1403:                        TPremain = 0;
1.65      schwarze 1404:                        outflags |= MMAN_nl;
1.92      schwarze 1405:                        return 1;
1.61      schwarze 1406:                case LIST_tag:
1.79      schwarze 1407:                        print_width(&bln->norm->Bl, n->child);
1.35      schwarze 1408:                        putchar('\n');
                   1409:                        outflags &= ~MMAN_spc;
1.92      schwarze 1410:                        return 1;
1.3       schwarze 1411:                default:
1.92      schwarze 1412:                        return 1;
1.3       schwarze 1413:                }
1.28      schwarze 1414:        default:
                   1415:                break;
1.1       schwarze 1416:        }
1.92      schwarze 1417:        return 1;
1.28      schwarze 1418: }
                   1419:
1.46      schwarze 1420: /*
                   1421:  * This function is called after closing out an indented block.
                   1422:  * If we are inside an enclosing list, restore its indentation.
                   1423:  */
                   1424: static void
                   1425: mid_it(void)
                   1426: {
                   1427:        char             buf[24];
                   1428:
                   1429:        /* Nothing to do outside a list. */
                   1430:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
                   1431:                return;
                   1432:
                   1433:        /* The indentation has already been set up. */
                   1434:        if (Bl_stack_post[Bl_stack_len - 1])
                   1435:                return;
                   1436:
                   1437:        /* Restore the indentation of the enclosing list. */
                   1438:        print_line(".RS", MMAN_Bk_susp);
1.79      schwarze 1439:        (void)snprintf(buf, sizeof(buf), "%dn",
1.62      schwarze 1440:            Bl_stack[Bl_stack_len - 1]);
1.46      schwarze 1441:        print_word(buf);
                   1442:
                   1443:        /* Remeber to close out this .RS block later. */
                   1444:        Bl_stack_post[Bl_stack_len - 1] = 1;
                   1445: }
                   1446:
1.28      schwarze 1447: static void
                   1448: post_it(DECL_ARGS)
                   1449: {
1.88      schwarze 1450:        const struct roff_node *bln;
1.28      schwarze 1451:
1.31      schwarze 1452:        bln = n->parent->parent;
                   1453:
                   1454:        switch (n->type) {
1.87      schwarze 1455:        case ROFFT_HEAD:
1.28      schwarze 1456:                switch (bln->norm->Bl.type) {
1.61      schwarze 1457:                case LIST_diag:
1.28      schwarze 1458:                        outflags &= ~MMAN_spc;
                   1459:                        print_word("\\ ");
                   1460:                        break;
1.61      schwarze 1461:                case LIST_ohang:
1.28      schwarze 1462:                        outflags |= MMAN_br;
                   1463:                        break;
                   1464:                default:
                   1465:                        break;
                   1466:                }
1.31      schwarze 1467:                break;
1.87      schwarze 1468:        case ROFFT_BODY:
1.43      schwarze 1469:                switch (bln->norm->Bl.type) {
1.61      schwarze 1470:                case LIST_bullet:
                   1471:                case LIST_dash:
                   1472:                case LIST_hyphen:
                   1473:                case LIST_enum:
                   1474:                case LIST_hang:
                   1475:                case LIST_tag:
1.43      schwarze 1476:                        assert(Bl_stack_len);
                   1477:                        Bl_stack[--Bl_stack_len] = 0;
                   1478:
                   1479:                        /*
                   1480:                         * Our indentation had to be restored
1.46      schwarze 1481:                         * after a child display or child list.
1.43      schwarze 1482:                         * Close out that indentation block now.
                   1483:                         */
                   1484:                        if (Bl_stack_post[Bl_stack_len]) {
                   1485:                                print_line(".RE", MMAN_nl);
                   1486:                                Bl_stack_post[Bl_stack_len] = 0;
                   1487:                        }
                   1488:                        break;
1.61      schwarze 1489:                case LIST_column:
1.43      schwarze 1490:                        if (NULL != n->next) {
                   1491:                                putchar('\t');
                   1492:                                outflags &= ~MMAN_spc;
                   1493:                        }
                   1494:                        break;
                   1495:                default:
                   1496:                        break;
1.31      schwarze 1497:                }
                   1498:                break;
                   1499:        default:
                   1500:                break;
1.28      schwarze 1501:        }
1.11      schwarze 1502: }
                   1503:
                   1504: static void
                   1505: post_lb(DECL_ARGS)
                   1506: {
                   1507:
1.19      schwarze 1508:        if (SEC_LIBRARY == n->sec)
                   1509:                outflags |= MMAN_br;
1.22      schwarze 1510: }
                   1511:
                   1512: static int
                   1513: pre_lk(DECL_ARGS)
                   1514: {
1.88      schwarze 1515:        const struct roff_node *link, *descr;
1.22      schwarze 1516:
                   1517:        if (NULL == (link = n->child))
1.92      schwarze 1518:                return 0;
1.22      schwarze 1519:
                   1520:        if (NULL != (descr = link->next)) {
1.24      schwarze 1521:                font_push('I');
1.22      schwarze 1522:                while (NULL != descr) {
                   1523:                        print_word(descr->string);
                   1524:                        descr = descr->next;
                   1525:                }
                   1526:                print_word(":");
1.24      schwarze 1527:                font_pop();
1.22      schwarze 1528:        }
                   1529:
1.24      schwarze 1530:        font_push('B');
1.22      schwarze 1531:        print_word(link->string);
1.24      schwarze 1532:        font_pop();
1.92      schwarze 1533:        return 0;
1.60      schwarze 1534: }
                   1535:
                   1536: static int
                   1537: pre_ll(DECL_ARGS)
                   1538: {
                   1539:
                   1540:        print_line(".ll", 0);
1.92      schwarze 1541:        return 1;
1.1       schwarze 1542: }
                   1543:
                   1544: static int
1.24      schwarze 1545: pre_li(DECL_ARGS)
                   1546: {
                   1547:
                   1548:        font_push('R');
1.92      schwarze 1549:        return 1;
1.24      schwarze 1550: }
                   1551:
                   1552: static int
1.1       schwarze 1553: pre_nm(DECL_ARGS)
                   1554: {
1.36      schwarze 1555:        char    *name;
1.1       schwarze 1556:
1.87      schwarze 1557:        if (n->type == ROFFT_BLOCK) {
1.53      schwarze 1558:                outflags |= MMAN_Bk;
1.21      schwarze 1559:                pre_syn(n);
1.53      schwarze 1560:        }
1.87      schwarze 1561:        if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)
1.92      schwarze 1562:                return 1;
1.42      schwarze 1563:        name = n->child ? n->child->string : meta->name;
1.36      schwarze 1564:        if (NULL == name)
1.92      schwarze 1565:                return 0;
1.87      schwarze 1566:        if (n->type == ROFFT_HEAD) {
1.36      schwarze 1567:                if (NULL == n->parent->prev)
                   1568:                        outflags |= MMAN_sp;
                   1569:                print_block(".HP", 0);
1.52      schwarze 1570:                printf(" %zun", strlen(name) + 1);
1.36      schwarze 1571:                outflags |= MMAN_nl;
                   1572:        }
1.24      schwarze 1573:        font_push('B');
1.1       schwarze 1574:        if (NULL == n->child)
1.42      schwarze 1575:                print_word(meta->name);
1.92      schwarze 1576:        return 1;
1.1       schwarze 1577: }
                   1578:
                   1579: static void
                   1580: post_nm(DECL_ARGS)
                   1581: {
                   1582:
1.53      schwarze 1583:        switch (n->type) {
1.87      schwarze 1584:        case ROFFT_BLOCK:
1.53      schwarze 1585:                outflags &= ~MMAN_Bk;
                   1586:                break;
1.87      schwarze 1587:        case ROFFT_HEAD:
                   1588:        case ROFFT_ELEM:
1.66      schwarze 1589:                if (n->child != NULL || meta->name != NULL)
                   1590:                        font_pop();
1.53      schwarze 1591:                break;
                   1592:        default:
                   1593:                break;
                   1594:        }
1.23      schwarze 1595: }
                   1596:
                   1597: static int
                   1598: pre_no(DECL_ARGS)
                   1599: {
                   1600:
                   1601:        outflags |= MMAN_spc_force;
1.92      schwarze 1602:        return 1;
1.1       schwarze 1603: }
                   1604:
                   1605: static int
                   1606: pre_ns(DECL_ARGS)
                   1607: {
                   1608:
1.18      schwarze 1609:        outflags &= ~MMAN_spc;
1.92      schwarze 1610:        return 0;
1.1       schwarze 1611: }
                   1612:
1.3       schwarze 1613: static void
                   1614: post_pf(DECL_ARGS)
                   1615: {
                   1616:
1.75      schwarze 1617:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1618:                outflags &= ~MMAN_spc;
1.3       schwarze 1619: }
                   1620:
1.1       schwarze 1621: static int
                   1622: pre_pp(DECL_ARGS)
                   1623: {
                   1624:
1.34      schwarze 1625:        if (MDOC_It != n->parent->tok)
                   1626:                outflags |= MMAN_PP;
                   1627:        outflags |= MMAN_sp | MMAN_nl;
                   1628:        outflags &= ~MMAN_br;
1.92      schwarze 1629:        return 0;
1.32      schwarze 1630: }
                   1631:
                   1632: static int
                   1633: pre_rs(DECL_ARGS)
                   1634: {
                   1635:
                   1636:        if (SEC_SEE_ALSO == n->sec) {
1.34      schwarze 1637:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1638:                outflags &= ~MMAN_br;
1.32      schwarze 1639:        }
1.92      schwarze 1640:        return 1;
1.66      schwarze 1641: }
                   1642:
                   1643: static int
                   1644: pre_rv(DECL_ARGS)
                   1645: {
                   1646:        int      nchild;
                   1647:
                   1648:        outflags |= MMAN_br | MMAN_nl;
                   1649:
                   1650:        nchild = n->nchild;
                   1651:        if (nchild > 0) {
                   1652:                print_word("The");
                   1653:
                   1654:                for (n = n->child; n; n = n->next) {
                   1655:                        font_push('B');
                   1656:                        print_word(n->string);
                   1657:                        font_pop();
                   1658:
                   1659:                        outflags &= ~MMAN_spc;
                   1660:                        print_word("()");
                   1661:
                   1662:                        if (n->next == NULL)
                   1663:                                continue;
                   1664:
                   1665:                        if (nchild > 2) {
                   1666:                                outflags &= ~MMAN_spc;
                   1667:                                print_word(",");
                   1668:                        }
                   1669:                        if (n->next->next == NULL)
                   1670:                                print_word("and");
                   1671:                }
                   1672:
                   1673:                if (nchild > 1)
                   1674:                        print_word("functions return");
                   1675:                else
                   1676:                        print_word("function returns");
                   1677:
                   1678:                print_word("the value\\~0 if successful;");
                   1679:        } else
                   1680:                print_word("Upon successful completion, "
                   1681:                    "the value\\~0 is returned;");
                   1682:
                   1683:        print_word("otherwise the value\\~\\-1 is returned"
                   1684:            " and the global variable");
                   1685:
                   1686:        font_push('I');
                   1687:        print_word("errno");
                   1688:        font_pop();
                   1689:
                   1690:        print_word("is set to indicate the error.");
                   1691:        outflags |= MMAN_nl;
1.92      schwarze 1692:        return 0;
1.73      schwarze 1693: }
                   1694:
                   1695: static int
                   1696: pre_skip(DECL_ARGS)
                   1697: {
                   1698:
1.92      schwarze 1699:        return 0;
1.9       schwarze 1700: }
                   1701:
                   1702: static int
                   1703: pre_sm(DECL_ARGS)
                   1704: {
                   1705:
1.64      schwarze 1706:        if (NULL == n->child)
                   1707:                outflags ^= MMAN_Sm;
                   1708:        else if (0 == strcmp("on", n->child->string))
                   1709:                outflags |= MMAN_Sm;
1.9       schwarze 1710:        else
1.18      schwarze 1711:                outflags &= ~MMAN_Sm;
1.64      schwarze 1712:
                   1713:        if (MMAN_Sm & outflags)
                   1714:                outflags |= MMAN_spc;
                   1715:
1.92      schwarze 1716:        return 0;
1.1       schwarze 1717: }
                   1718:
                   1719: static int
1.3       schwarze 1720: pre_sp(DECL_ARGS)
1.1       schwarze 1721: {
                   1722:
1.38      schwarze 1723:        if (MMAN_PP & outflags) {
                   1724:                outflags &= ~MMAN_PP;
                   1725:                print_line(".PP", 0);
                   1726:        } else
                   1727:                print_line(".sp", 0);
1.92      schwarze 1728:        return 1;
1.1       schwarze 1729: }
                   1730:
                   1731: static void
1.3       schwarze 1732: post_sp(DECL_ARGS)
1.1       schwarze 1733: {
                   1734:
1.18      schwarze 1735:        outflags |= MMAN_nl;
1.15      schwarze 1736: }
                   1737:
                   1738: static int
1.24      schwarze 1739: pre_sy(DECL_ARGS)
                   1740: {
                   1741:
                   1742:        font_push('B');
1.92      schwarze 1743:        return 1;
1.24      schwarze 1744: }
                   1745:
                   1746: static int
1.15      schwarze 1747: pre_vt(DECL_ARGS)
                   1748: {
                   1749:
                   1750:        if (MDOC_SYNPRETTY & n->flags) {
1.16      schwarze 1751:                switch (n->type) {
1.87      schwarze 1752:                case ROFFT_BLOCK:
1.21      schwarze 1753:                        pre_syn(n);
1.92      schwarze 1754:                        return 1;
1.87      schwarze 1755:                case ROFFT_BODY:
1.16      schwarze 1756:                        break;
                   1757:                default:
1.92      schwarze 1758:                        return 0;
1.16      schwarze 1759:                }
1.15      schwarze 1760:        }
1.24      schwarze 1761:        font_push('I');
1.92      schwarze 1762:        return 1;
1.15      schwarze 1763: }
                   1764:
                   1765: static void
                   1766: post_vt(DECL_ARGS)
                   1767: {
1.16      schwarze 1768:
1.87      schwarze 1769:        if (n->flags & MDOC_SYNPRETTY && n->type != ROFFT_BODY)
1.16      schwarze 1770:                return;
1.24      schwarze 1771:        font_pop();
1.1       schwarze 1772: }
                   1773:
                   1774: static int
                   1775: pre_xr(DECL_ARGS)
                   1776: {
                   1777:
                   1778:        n = n->child;
                   1779:        if (NULL == n)
1.92      schwarze 1780:                return 0;
1.42      schwarze 1781:        print_node(meta, n);
1.1       schwarze 1782:        n = n->next;
                   1783:        if (NULL == n)
1.92      schwarze 1784:                return 0;
1.18      schwarze 1785:        outflags &= ~MMAN_spc;
                   1786:        print_word("(");
1.42      schwarze 1787:        print_node(meta, n);
1.18      schwarze 1788:        print_word(")");
1.92      schwarze 1789:        return 0;
1.5       schwarze 1790: }
                   1791:
                   1792: static int
                   1793: pre_ux(DECL_ARGS)
                   1794: {
                   1795:
1.18      schwarze 1796:        print_word(manacts[n->tok].prefix);
1.5       schwarze 1797:        if (NULL == n->child)
1.92      schwarze 1798:                return 0;
1.18      schwarze 1799:        outflags &= ~MMAN_spc;
1.39      millert  1800:        print_word("\\ ");
1.18      schwarze 1801:        outflags &= ~MMAN_spc;
1.92      schwarze 1802:        return 1;
1.1       schwarze 1803: }