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Annotation of mandoc/mdoc_man.c, Revision 1.70

1.70    ! schwarze    1: /*     $Id: mdoc_man.c,v 1.69 2014/08/10 23:54:41 schwarze Exp $ */
1.1       schwarze    2: /*
1.58      schwarze    3:  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1       schwarze    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
1.7       kristaps   17: #include "config.h"
1.69      schwarze   18:
                     19: #include <sys/types.h>
1.7       kristaps   20:
1.12      schwarze   21: #include <assert.h>
1.1       schwarze   22: #include <stdio.h>
                     23: #include <string.h>
                     24:
                     25: #include "mandoc.h"
1.59      schwarze   26: #include "mandoc_aux.h"
1.11      schwarze   27: #include "out.h"
1.4       kristaps   28: #include "man.h"
1.1       schwarze   29: #include "mdoc.h"
                     30: #include "main.h"
                     31:
1.42      schwarze   32: #define        DECL_ARGS const struct mdoc_meta *meta, \
1.20      schwarze   33:                  const struct mdoc_node *n
1.1       schwarze   34:
                     35: struct manact {
1.5       kristaps   36:        int             (*cond)(DECL_ARGS); /* DON'T run actions */
                     37:        int             (*pre)(DECL_ARGS); /* pre-node action */
                     38:        void            (*post)(DECL_ARGS); /* post-node action */
                     39:        const char       *prefix; /* pre-node string constant */
                     40:        const char       *suffix; /* post-node string constant */
1.1       schwarze   41: };
                     42:
1.5       kristaps   43: static int       cond_body(DECL_ARGS);
1.1       schwarze   44: static int       cond_head(DECL_ARGS);
1.26      schwarze   45: static  void     font_push(char);
                     46: static void      font_pop(void);
1.47      schwarze   47: static void      mid_it(void);
1.34      schwarze   48: static void      post__t(DECL_ARGS);
1.5       kristaps   49: static void      post_bd(DECL_ARGS);
1.27      schwarze   50: static void      post_bf(DECL_ARGS);
1.13      schwarze   51: static void      post_bk(DECL_ARGS);
1.30      schwarze   52: static void      post_bl(DECL_ARGS);
1.5       kristaps   53: static void      post_dl(DECL_ARGS);
1.64      schwarze   54: static void      post_en(DECL_ARGS);
1.1       schwarze   55: static void      post_enc(DECL_ARGS);
1.28      schwarze   56: static void      post_eo(DECL_ARGS);
1.17      schwarze   57: static void      post_fa(DECL_ARGS);
1.29      schwarze   58: static void      post_fd(DECL_ARGS);
1.26      schwarze   59: static void      post_fl(DECL_ARGS);
1.16      schwarze   60: static void      post_fn(DECL_ARGS);
1.17      schwarze   61: static void      post_fo(DECL_ARGS);
1.26      schwarze   62: static void      post_font(DECL_ARGS);
1.15      schwarze   63: static void      post_in(DECL_ARGS);
1.30      schwarze   64: static void      post_it(DECL_ARGS);
1.14      schwarze   65: static void      post_lb(DECL_ARGS);
1.5       kristaps   66: static void      post_nm(DECL_ARGS);
1.1       schwarze   67: static void      post_percent(DECL_ARGS);
1.5       kristaps   68: static void      post_pf(DECL_ARGS);
1.3       schwarze   69: static void      post_sect(DECL_ARGS);
1.5       kristaps   70: static void      post_sp(DECL_ARGS);
1.18      schwarze   71: static void      post_vt(DECL_ARGS);
1.34      schwarze   72: static int       pre__t(DECL_ARGS);
1.22      schwarze   73: static int       pre_an(DECL_ARGS);
1.3       schwarze   74: static int       pre_ap(DECL_ARGS);
                     75: static int       pre_bd(DECL_ARGS);
1.27      schwarze   76: static int       pre_bf(DECL_ARGS);
1.13      schwarze   77: static int       pre_bk(DECL_ARGS);
1.30      schwarze   78: static int       pre_bl(DECL_ARGS);
1.3       schwarze   79: static int       pre_br(DECL_ARGS);
1.8       schwarze   80: static int       pre_bx(DECL_ARGS);
1.1       schwarze   81: static int       pre_dl(DECL_ARGS);
1.64      schwarze   82: static int       pre_en(DECL_ARGS);
1.5       kristaps   83: static int       pre_enc(DECL_ARGS);
1.26      schwarze   84: static int       pre_em(DECL_ARGS);
1.64      schwarze   85: static int       pre_es(DECL_ARGS);
1.67      schwarze   86: static int       pre_ex(DECL_ARGS);
1.17      schwarze   87: static int       pre_fa(DECL_ARGS);
1.29      schwarze   88: static int       pre_fd(DECL_ARGS);
1.26      schwarze   89: static int       pre_fl(DECL_ARGS);
1.16      schwarze   90: static int       pre_fn(DECL_ARGS);
1.17      schwarze   91: static int       pre_fo(DECL_ARGS);
1.23      schwarze   92: static int       pre_ft(DECL_ARGS);
1.15      schwarze   93: static int       pre_in(DECL_ARGS);
1.1       schwarze   94: static int       pre_it(DECL_ARGS);
1.24      schwarze   95: static int       pre_lk(DECL_ARGS);
1.26      schwarze   96: static int       pre_li(DECL_ARGS);
1.60      schwarze   97: static int       pre_ll(DECL_ARGS);
1.1       schwarze   98: static int       pre_nm(DECL_ARGS);
1.25      schwarze   99: static int       pre_no(DECL_ARGS);
1.1       schwarze  100: static int       pre_ns(DECL_ARGS);
                    101: static int       pre_pp(DECL_ARGS);
1.34      schwarze  102: static int       pre_rs(DECL_ARGS);
1.67      schwarze  103: static int       pre_rv(DECL_ARGS);
1.12      schwarze  104: static int       pre_sm(DECL_ARGS);
1.3       schwarze  105: static int       pre_sp(DECL_ARGS);
1.5       kristaps  106: static int       pre_sect(DECL_ARGS);
1.26      schwarze  107: static int       pre_sy(DECL_ARGS);
1.23      schwarze  108: static void      pre_syn(const struct mdoc_node *);
1.18      schwarze  109: static int       pre_vt(DECL_ARGS);
1.8       schwarze  110: static int       pre_ux(DECL_ARGS);
1.1       schwarze  111: static int       pre_xr(DECL_ARGS);
1.20      schwarze  112: static void      print_word(const char *);
1.36      schwarze  113: static void      print_line(const char *, int);
                    114: static void      print_block(const char *, int);
1.20      schwarze  115: static void      print_offs(const char *);
1.35      schwarze  116: static void      print_width(const char *,
                    117:                                const struct mdoc_node *, size_t);
1.30      schwarze  118: static void      print_count(int *);
1.5       kristaps  119: static void      print_node(DECL_ARGS);
1.1       schwarze  120:
1.3       schwarze  121: static const struct manact manacts[MDOC_MAX + 1] = {
                    122:        { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
                    123:        { NULL, NULL, NULL, NULL, NULL }, /* Dd */
                    124:        { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8       schwarze  125:        { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3       schwarze  126:        { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
                    127:        { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1       schwarze  128:        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3       schwarze  129:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1       schwarze  130:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3       schwarze  131:        { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
                    132:        { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.30      schwarze  133:        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3       schwarze  134:        { NULL, NULL, NULL, NULL, NULL }, /* El */
1.30      schwarze  135:        { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.26      schwarze  136:        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.22      schwarze  137:        { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.26      schwarze  138:        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
                    139:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
                    140:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
                    141:        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
                    142:        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
                    143:        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.67      schwarze  144:        { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
1.17      schwarze  145:        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.29      schwarze  146:        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.26      schwarze  147:        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.16      schwarze  148:        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.26      schwarze  149:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
                    150:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.15      schwarze  151:        { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.26      schwarze  152:        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1       schwarze  153:        { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
                    154:        { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
                    155:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.64      schwarze  156:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ot */
1.26      schwarze  157:        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.67      schwarze  158:        { NULL, pre_rv, NULL, NULL, NULL }, /* Rv */
1.8       schwarze  159:        { NULL, NULL, NULL, NULL, NULL }, /* St */
1.26      schwarze  160:        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.18      schwarze  161:        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8       schwarze  162:        { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.34      schwarze  163:        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
                    164:        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
                    165:        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
                    166:        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
                    167:        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
                    168:        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
                    169:        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
                    170:        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
                    171:        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
                    172:        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
                    173:        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.9       schwarze  174:        { NULL, NULL, NULL, NULL, NULL }, /* Ac */
                    175:        { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
1.1       schwarze  176:        { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
1.8       schwarze  177:        { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3       schwarze  178:        { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.27      schwarze  179:        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3       schwarze  180:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
                    181:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.8       schwarze  182:        { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
                    183:        { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
                    184:        { NULL, NULL, NULL, NULL, NULL }, /* Db */
1.9       schwarze  185:        { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.51      schwarze  186:        { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
                    187:        { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
1.28      schwarze  188:        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
                    189:        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.26      schwarze  190:        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.28      schwarze  191:        { NULL, NULL, post_eo, NULL, NULL }, /* Eo */
1.8       schwarze  192:        { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.26      schwarze  193:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.25      schwarze  194:        { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1       schwarze  195:        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.8       schwarze  196:        { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
                    197:        { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3       schwarze  198:        { NULL, NULL, NULL, NULL, NULL }, /* Pc */
                    199:        { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
                    200:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
                    201:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9       schwarze  202:        { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.51      schwarze  203:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.9       schwarze  204:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
                    205:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
                    206:        { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.34      schwarze  207:        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.9       schwarze  208:        { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.51      schwarze  209:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
                    210:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.12      schwarze  211:        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.26      schwarze  212:        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
                    213:        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
                    214:        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.8       schwarze  215:        { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.34      schwarze  216:        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
                    217:        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.17      schwarze  218:        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
                    219:        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3       schwarze  220:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9       schwarze  221:        { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13      schwarze  222:        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
                    223:        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.8       schwarze  224:        { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
                    225:        { NULL, NULL, NULL, NULL, NULL }, /* Hf */
1.64      schwarze  226:        { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
1.8       schwarze  227:        { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.14      schwarze  228:        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3       schwarze  229:        { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.24      schwarze  230:        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.26      schwarze  231:        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.9       schwarze  232:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
                    233:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
                    234:        { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.34      schwarze  235:        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.64      schwarze  236:        { NULL, pre_es, NULL, NULL, NULL }, /* Es */
                    237:        { cond_body, pre_en, post_en, NULL, NULL }, /* En */
1.8       schwarze  238:        { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.34      schwarze  239:        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3       schwarze  240:        { NULL, pre_br, NULL, NULL, NULL }, /* br */
                    241:        { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.34      schwarze  242:        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
                    243:        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.60      schwarze  244:        { NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
1.3       schwarze  245:        { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1       schwarze  246: };
                    247:
1.20      schwarze  248: static int             outflags;
1.36      schwarze  249: #define        MMAN_spc        (1 << 0)  /* blank character before next word */
                    250: #define        MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
                    251: #define        MMAN_nl         (1 << 2)  /* break man(7) code line */
                    252: #define        MMAN_br         (1 << 3)  /* break output line */
                    253: #define        MMAN_sp         (1 << 4)  /* insert a blank output line */
                    254: #define        MMAN_PP         (1 << 5)  /* reset indentation etc. */
                    255: #define        MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
                    256: #define        MMAN_Bk         (1 << 7)  /* word keep mode */
1.46      schwarze  257: #define        MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
                    258: #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
                    259: #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
                    260: #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
1.56      schwarze  261: #define        MMAN_nbrword    (1 << 12) /* do not break the next word */
1.20      schwarze  262:
1.43      schwarze  263: #define        BL_STACK_MAX    32
                    264:
                    265: static size_t          Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
                    266: static int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
                    267: static int             Bl_stack_len;  /* number of nested Bl blocks */
1.37      schwarze  268: static int             TPremain;  /* characters before tag is full */
                    269:
1.26      schwarze  270: static struct {
                    271:        char    *head;
                    272:        char    *tail;
                    273:        size_t   size;
                    274: }      fontqueue;
                    275:
1.62      schwarze  276:
1.26      schwarze  277: static void
                    278: font_push(char newfont)
                    279: {
                    280:
                    281:        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
                    282:                fontqueue.size += 8;
                    283:                fontqueue.head = mandoc_realloc(fontqueue.head,
1.62      schwarze  284:                    fontqueue.size);
1.26      schwarze  285:        }
                    286:        *fontqueue.tail = newfont;
1.37      schwarze  287:        print_word("");
                    288:        printf("\\f");
1.26      schwarze  289:        putchar(newfont);
                    290:        outflags &= ~MMAN_spc;
                    291: }
                    292:
                    293: static void
                    294: font_pop(void)
                    295: {
                    296:
                    297:        if (fontqueue.tail > fontqueue.head)
                    298:                fontqueue.tail--;
                    299:        outflags &= ~MMAN_spc;
1.37      schwarze  300:        print_word("");
                    301:        printf("\\f");
1.26      schwarze  302:        putchar(*fontqueue.tail);
                    303: }
                    304:
1.1       schwarze  305: static void
1.20      schwarze  306: print_word(const char *s)
1.1       schwarze  307: {
1.5       kristaps  308:
1.36      schwarze  309:        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.62      schwarze  310:                /*
1.5       kristaps  311:                 * If we need a newline, print it now and start afresh.
                    312:                 */
1.36      schwarze  313:                if (MMAN_PP & outflags) {
1.44      schwarze  314:                        if (MMAN_sp & outflags) {
                    315:                                if (MMAN_PD & outflags) {
                    316:                                        printf("\n.PD");
                    317:                                        outflags &= ~MMAN_PD;
                    318:                                }
                    319:                        } else if ( ! (MMAN_PD & outflags)) {
                    320:                                printf("\n.PD 0");
                    321:                                outflags |= MMAN_PD;
                    322:                        }
1.36      schwarze  323:                        printf("\n.PP\n");
                    324:                } else if (MMAN_sp & outflags)
1.21      schwarze  325:                        printf("\n.sp\n");
                    326:                else if (MMAN_br & outflags)
                    327:                        printf("\n.br\n");
                    328:                else if (MMAN_nl & outflags)
                    329:                        putchar('\n');
1.36      schwarze  330:                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.37      schwarze  331:                if (1 == TPremain)
                    332:                        printf(".br\n");
                    333:                TPremain = 0;
                    334:        } else if (MMAN_spc & outflags) {
1.5       kristaps  335:                /*
1.25      schwarze  336:                 * If we need a space, only print it if
                    337:                 * (1) it is forced by `No' or
                    338:                 * (2) what follows is not terminating punctuation or
                    339:                 * (3) what follows is longer than one character.
1.5       kristaps  340:                 */
1.37      schwarze  341:                if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.25      schwarze  342:                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.46      schwarze  343:                        if (MMAN_Bk & outflags &&
                    344:                            ! (MMAN_Bk_susp & outflags))
1.13      schwarze  345:                                putchar('\\');
1.45      schwarze  346:                        putchar(' ');
1.37      schwarze  347:                        if (TPremain)
                    348:                                TPremain--;
1.13      schwarze  349:                }
1.37      schwarze  350:        }
1.5       kristaps  351:
                    352:        /*
                    353:         * Reassign needing space if we're not following opening
                    354:         * punctuation.
                    355:         */
1.37      schwarze  356:        if (MMAN_Sm & outflags && ('\0' == s[0] ||
                    357:            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.20      schwarze  358:                outflags |= MMAN_spc;
                    359:        else
                    360:                outflags &= ~MMAN_spc;
1.46      schwarze  361:        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.5       kristaps  362:
1.1       schwarze  363:        for ( ; *s; s++) {
                    364:                switch (*s) {
1.62      schwarze  365:                case ASCII_NBRSP:
1.45      schwarze  366:                        printf("\\ ");
1.1       schwarze  367:                        break;
1.62      schwarze  368:                case ASCII_HYPH:
1.1       schwarze  369:                        putchar('-');
1.58      schwarze  370:                        break;
1.62      schwarze  371:                case ASCII_BREAK:
1.58      schwarze  372:                        printf("\\:");
1.1       schwarze  373:                        break;
1.62      schwarze  374:                case ' ':
1.56      schwarze  375:                        if (MMAN_nbrword & outflags) {
                    376:                                printf("\\ ");
                    377:                                break;
                    378:                        }
                    379:                        /* FALLTHROUGH */
1.1       schwarze  380:                default:
1.5       kristaps  381:                        putchar((unsigned char)*s);
1.1       schwarze  382:                        break;
                    383:                }
1.37      schwarze  384:                if (TPremain)
                    385:                        TPremain--;
1.1       schwarze  386:        }
1.56      schwarze  387:        outflags &= ~MMAN_nbrword;
1.4       kristaps  388: }
                    389:
1.11      schwarze  390: static void
1.36      schwarze  391: print_line(const char *s, int newflags)
                    392: {
                    393:
                    394:        outflags &= ~MMAN_br;
                    395:        outflags |= MMAN_nl;
                    396:        print_word(s);
                    397:        outflags |= newflags;
                    398: }
                    399:
                    400: static void
                    401: print_block(const char *s, int newflags)
                    402: {
                    403:
                    404:        outflags &= ~MMAN_PP;
1.44      schwarze  405:        if (MMAN_sp & outflags) {
1.36      schwarze  406:                outflags &= ~(MMAN_sp | MMAN_br);
1.44      schwarze  407:                if (MMAN_PD & outflags) {
                    408:                        print_line(".PD", 0);
                    409:                        outflags &= ~MMAN_PD;
                    410:                }
1.46      schwarze  411:        } else if (! (MMAN_PD & outflags))
                    412:                print_line(".PD 0", MMAN_PD);
1.36      schwarze  413:        outflags |= MMAN_nl;
                    414:        print_word(s);
1.46      schwarze  415:        outflags |= MMAN_Bk_susp | newflags;
1.36      schwarze  416: }
                    417:
                    418: static void
1.20      schwarze  419: print_offs(const char *v)
1.11      schwarze  420: {
                    421:        char              buf[24];
                    422:        struct roffsu     su;
                    423:        size_t            sz;
                    424:
1.48      schwarze  425:        print_line(".RS", MMAN_Bk_susp);
                    426:
1.43      schwarze  427:        /* Convert v into a number (of characters). */
1.11      schwarze  428:        if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
                    429:                sz = 0;
                    430:        else if (0 == strcmp(v, "indent"))
                    431:                sz = 6;
                    432:        else if (0 == strcmp(v, "indent-two"))
                    433:                sz = 12;
                    434:        else if (a2roffsu(v, &su, SCALE_MAX)) {
1.43      schwarze  435:                if (SCALE_EN == su.unit)
                    436:                        sz = su.scale;
                    437:                else {
                    438:                        /*
                    439:                         * XXX
                    440:                         * If we are inside an enclosing list,
                    441:                         * there is no easy way to add the two
                    442:                         * indentations because they are provided
                    443:                         * in terms of different units.
                    444:                         */
                    445:                        print_word(v);
1.48      schwarze  446:                        outflags |= MMAN_nl;
1.43      schwarze  447:                        return;
                    448:                }
1.11      schwarze  449:        } else
                    450:                sz = strlen(v);
                    451:
1.43      schwarze  452:        /*
                    453:         * We are inside an enclosing list.
                    454:         * Add the two indentations.
                    455:         */
                    456:        if (Bl_stack_len)
                    457:                sz += Bl_stack[Bl_stack_len - 1];
                    458:
1.63      schwarze  459:        (void)snprintf(buf, sizeof(buf), "%zun", sz);
1.20      schwarze  460:        print_word(buf);
1.48      schwarze  461:        outflags |= MMAN_nl;
1.11      schwarze  462: }
                    463:
1.47      schwarze  464: /*
                    465:  * Set up the indentation for a list item; used from pre_it().
                    466:  */
1.59      schwarze  467: static void
1.35      schwarze  468: print_width(const char *v, const struct mdoc_node *child, size_t defsz)
1.30      schwarze  469: {
                    470:        char              buf[24];
                    471:        struct roffsu     su;
1.31      schwarze  472:        size_t            sz, chsz;
1.37      schwarze  473:        int               numeric, remain;
1.31      schwarze  474:
1.37      schwarze  475:        numeric = 1;
                    476:        remain = 0;
1.43      schwarze  477:
                    478:        /* Convert v into a number (of characters). */
1.35      schwarze  479:        if (NULL == v)
                    480:                sz = defsz;
                    481:        else if (a2roffsu(v, &su, SCALE_MAX)) {
1.30      schwarze  482:                if (SCALE_EN == su.unit)
                    483:                        sz = su.scale;
                    484:                else {
1.37      schwarze  485:                        sz = 0;
                    486:                        numeric = 0;
1.30      schwarze  487:                }
                    488:        } else
                    489:                sz = strlen(v);
                    490:
1.37      schwarze  491:        /* XXX Rough estimation, might have multiple parts. */
                    492:        chsz = (NULL != child && MDOC_TEXT == child->type) ?
1.62      schwarze  493:            strlen(child->string) : 0;
1.37      schwarze  494:
1.47      schwarze  495:        /* Maybe we are inside an enclosing list? */
                    496:        mid_it();
1.43      schwarze  497:
                    498:        /*
                    499:         * Save our own indentation,
                    500:         * such that child lists can use it.
                    501:         */
                    502:        Bl_stack[Bl_stack_len++] = sz + 2;
                    503:
                    504:        /* Set up the current list. */
1.37      schwarze  505:        if (defsz && chsz > sz)
1.36      schwarze  506:                print_block(".HP", 0);
1.37      schwarze  507:        else {
1.36      schwarze  508:                print_block(".TP", 0);
1.37      schwarze  509:                remain = sz + 2;
                    510:        }
                    511:        if (numeric) {
1.63      schwarze  512:                (void)snprintf(buf, sizeof(buf), "%zun", sz + 2);
1.37      schwarze  513:                print_word(buf);
                    514:        } else
                    515:                print_word(v);
                    516:        TPremain = remain;
1.30      schwarze  517: }
                    518:
1.59      schwarze  519: static void
1.30      schwarze  520: print_count(int *count)
                    521: {
1.63      schwarze  522:        char              buf[24];
1.30      schwarze  523:
1.63      schwarze  524:        (void)snprintf(buf, sizeof(buf), "%d.", ++*count);
1.30      schwarze  525:        print_word(buf);
                    526: }
                    527:
                    528: void
1.4       kristaps  529: man_man(void *arg, const struct man *man)
                    530: {
                    531:
1.5       kristaps  532:        /*
                    533:         * Dump the keep buffer.
                    534:         * We're guaranteed by now that this exists (is non-NULL).
                    535:         * Flush stdout afterward, just in case.
                    536:         */
1.4       kristaps  537:        fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5       kristaps  538:        fflush(stdout);
1.1       schwarze  539: }
                    540:
                    541: void
                    542: man_mdoc(void *arg, const struct mdoc *mdoc)
                    543: {
1.42      schwarze  544:        const struct mdoc_meta *meta;
1.1       schwarze  545:        const struct mdoc_node *n;
                    546:
1.42      schwarze  547:        meta = mdoc_meta(mdoc);
1.1       schwarze  548:        n = mdoc_node(mdoc);
                    549:
1.45      schwarze  550:        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.68      schwarze  551:            meta->title,
                    552:            (meta->msec == NULL ? "" : meta->msec),
                    553:            meta->date, meta->os, meta->vol);
1.1       schwarze  554:
1.45      schwarze  555:        /* Disable hyphenation and if nroff, disable justification. */
                    556:        printf(".nh\n.if n .ad l");
                    557:
1.20      schwarze  558:        outflags = MMAN_nl | MMAN_Sm;
1.26      schwarze  559:        if (0 == fontqueue.size) {
                    560:                fontqueue.size = 8;
                    561:                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
                    562:                *fontqueue.tail = 'R';
                    563:        }
1.42      schwarze  564:        print_node(meta, n);
1.3       schwarze  565:        putchar('\n');
1.1       schwarze  566: }
                    567:
                    568: static void
                    569: print_node(DECL_ARGS)
                    570: {
1.52      schwarze  571:        const struct mdoc_node  *sub;
1.5       kristaps  572:        const struct manact     *act;
1.1       schwarze  573:        int                      cond, do_sub;
1.46      schwarze  574:
1.5       kristaps  575:        /*
                    576:         * Break the line if we were parsed subsequent the current node.
                    577:         * This makes the page structure be more consistent.
                    578:         */
1.52      schwarze  579:        if (MMAN_spc & outflags && MDOC_LINE & n->flags)
1.20      schwarze  580:                outflags |= MMAN_nl;
1.1       schwarze  581:
1.5       kristaps  582:        act = NULL;
1.1       schwarze  583:        cond = 0;
                    584:        do_sub = 1;
1.5       kristaps  585:
1.1       schwarze  586:        if (MDOC_TEXT == n->type) {
1.5       kristaps  587:                /*
                    588:                 * Make sure that we don't happen to start with a
                    589:                 * control character at the start of a line.
                    590:                 */
1.62      schwarze  591:                if (MMAN_nl & outflags &&
                    592:                    ('.' == *n->string || '\'' == *n->string)) {
1.37      schwarze  593:                        print_word("");
                    594:                        printf("\\&");
1.20      schwarze  595:                        outflags &= ~MMAN_spc;
1.3       schwarze  596:                }
1.20      schwarze  597:                print_word(n->string);
1.1       schwarze  598:        } else {
1.5       kristaps  599:                /*
                    600:                 * Conditionally run the pre-node action handler for a
                    601:                 * node.
                    602:                 */
1.1       schwarze  603:                act = manacts + n->tok;
1.42      schwarze  604:                cond = NULL == act->cond || (*act->cond)(meta, n);
1.61      schwarze  605:                if (cond && act->pre && ENDBODY_NOT == n->end)
1.42      schwarze  606:                        do_sub = (*act->pre)(meta, n);
1.1       schwarze  607:        }
                    608:
1.62      schwarze  609:        /*
1.5       kristaps  610:         * Conditionally run all child nodes.
                    611:         * Note that this iterates over children instead of using
                    612:         * recursion.  This prevents unnecessary depth in the stack.
                    613:         */
1.1       schwarze  614:        if (do_sub)
                    615:                for (sub = n->child; sub; sub = sub->next)
1.42      schwarze  616:                        print_node(meta, sub);
1.1       schwarze  617:
1.5       kristaps  618:        /*
                    619:         * Lastly, conditionally run the post-node handler.
                    620:         */
1.61      schwarze  621:        if (MDOC_ENDED & n->flags)
                    622:                return;
                    623:
1.1       schwarze  624:        if (cond && act->post)
1.42      schwarze  625:                (*act->post)(meta, n);
1.61      schwarze  626:
                    627:        if (ENDBODY_NOT != n->end)
                    628:                n->pending->flags |= MDOC_ENDED;
                    629:
                    630:        if (ENDBODY_NOSPACE == n->end)
                    631:                outflags &= ~(MMAN_spc | MMAN_nl);
1.1       schwarze  632: }
                    633:
                    634: static int
                    635: cond_head(DECL_ARGS)
                    636: {
1.5       kristaps  637:
1.1       schwarze  638:        return(MDOC_HEAD == n->type);
                    639: }
                    640:
                    641: static int
                    642: cond_body(DECL_ARGS)
                    643: {
1.5       kristaps  644:
1.1       schwarze  645:        return(MDOC_BODY == n->type);
                    646: }
                    647:
                    648: static int
                    649: pre_enc(DECL_ARGS)
                    650: {
1.5       kristaps  651:        const char      *prefix;
1.1       schwarze  652:
                    653:        prefix = manacts[n->tok].prefix;
                    654:        if (NULL == prefix)
                    655:                return(1);
1.20      schwarze  656:        print_word(prefix);
                    657:        outflags &= ~MMAN_spc;
1.1       schwarze  658:        return(1);
                    659: }
                    660:
                    661: static void
                    662: post_enc(DECL_ARGS)
                    663: {
                    664:        const char *suffix;
                    665:
                    666:        suffix = manacts[n->tok].suffix;
                    667:        if (NULL == suffix)
                    668:                return;
1.61      schwarze  669:        outflags &= ~(MMAN_spc | MMAN_nl);
1.20      schwarze  670:        print_word(suffix);
1.26      schwarze  671: }
                    672:
1.67      schwarze  673: static int
                    674: pre_ex(DECL_ARGS)
                    675: {
                    676:        int      nchild;
                    677:
                    678:        outflags |= MMAN_br | MMAN_nl;
                    679:
                    680:        print_word("The");
                    681:
                    682:        nchild = n->nchild;
                    683:        for (n = n->child; n; n = n->next) {
                    684:                font_push('B');
                    685:                print_word(n->string);
                    686:                font_pop();
                    687:
                    688:                if (n->next == NULL)
                    689:                        continue;
                    690:
                    691:                if (nchild > 2) {
                    692:                        outflags &= ~MMAN_spc;
                    693:                        print_word(",");
                    694:                }
                    695:                if (n->next->next == NULL)
                    696:                        print_word("and");
                    697:        }
                    698:
                    699:        if (nchild > 1)
                    700:                print_word("utilities exit\\~0");
                    701:        else
                    702:                print_word("utility exits\\~0");
                    703:
                    704:        print_word("on success, and\\~>0 if an error occurs.");
                    705:        outflags |= MMAN_nl;
                    706:        return(0);
                    707: }
                    708:
1.26      schwarze  709: static void
                    710: post_font(DECL_ARGS)
                    711: {
                    712:
                    713:        font_pop();
1.1       schwarze  714: }
                    715:
                    716: static void
                    717: post_percent(DECL_ARGS)
                    718: {
                    719:
1.34      schwarze  720:        if (pre_em == manacts[n->tok].pre)
                    721:                font_pop();
                    722:        if (n->next) {
1.20      schwarze  723:                print_word(",");
1.34      schwarze  724:                if (n->prev &&  n->prev->tok == n->tok &&
                    725:                                n->next->tok == n->tok)
                    726:                        print_word("and");
                    727:        } else {
1.20      schwarze  728:                print_word(".");
                    729:                outflags |= MMAN_nl;
1.1       schwarze  730:        }
                    731: }
                    732:
1.34      schwarze  733: static int
                    734: pre__t(DECL_ARGS)
                    735: {
                    736:
1.62      schwarze  737:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    738:            n->parent->norm->Rs.quote_T) {
1.37      schwarze  739:                print_word("");
                    740:                putchar('\"');
1.34      schwarze  741:                outflags &= ~MMAN_spc;
                    742:        } else
                    743:                font_push('I');
                    744:        return(1);
                    745: }
                    746:
                    747: static void
                    748: post__t(DECL_ARGS)
                    749: {
                    750:
1.62      schwarze  751:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    752:            n->parent->norm->Rs.quote_T) {
1.34      schwarze  753:                outflags &= ~MMAN_spc;
1.37      schwarze  754:                print_word("");
                    755:                putchar('\"');
1.34      schwarze  756:        } else
                    757:                font_pop();
1.42      schwarze  758:        post_percent(meta, n);
1.34      schwarze  759: }
                    760:
1.5       kristaps  761: /*
                    762:  * Print before a section header.
                    763:  */
1.1       schwarze  764: static int
1.3       schwarze  765: pre_sect(DECL_ARGS)
                    766: {
                    767:
1.54      schwarze  768:        if (MDOC_HEAD == n->type) {
1.46      schwarze  769:                outflags |= MMAN_sp;
                    770:                print_block(manacts[n->tok].prefix, 0);
                    771:                print_word("");
                    772:                putchar('\"');
                    773:                outflags &= ~MMAN_spc;
                    774:        }
1.3       schwarze  775:        return(1);
                    776: }
                    777:
1.5       kristaps  778: /*
                    779:  * Print subsequent a section header.
                    780:  */
1.3       schwarze  781: static void
                    782: post_sect(DECL_ARGS)
                    783: {
                    784:
                    785:        if (MDOC_HEAD != n->type)
                    786:                return;
1.20      schwarze  787:        outflags &= ~MMAN_spc;
1.37      schwarze  788:        print_word("");
                    789:        putchar('\"');
1.20      schwarze  790:        outflags |= MMAN_nl;
1.22      schwarze  791:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    792:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    793: }
                    794:
1.23      schwarze  795: /* See mdoc_term.c, synopsis_pre() for comments. */
                    796: static void
                    797: pre_syn(const struct mdoc_node *n)
                    798: {
                    799:
                    800:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
                    801:                return;
                    802:
                    803:        if (n->prev->tok == n->tok &&
1.62      schwarze  804:            MDOC_Ft != n->tok &&
                    805:            MDOC_Fo != n->tok &&
                    806:            MDOC_Fn != n->tok) {
1.23      schwarze  807:                outflags |= MMAN_br;
                    808:                return;
                    809:        }
                    810:
                    811:        switch (n->prev->tok) {
1.62      schwarze  812:        case MDOC_Fd:
1.23      schwarze  813:                /* FALLTHROUGH */
1.62      schwarze  814:        case MDOC_Fn:
1.23      schwarze  815:                /* FALLTHROUGH */
1.62      schwarze  816:        case MDOC_Fo:
1.23      schwarze  817:                /* FALLTHROUGH */
1.62      schwarze  818:        case MDOC_In:
1.23      schwarze  819:                /* FALLTHROUGH */
1.62      schwarze  820:        case MDOC_Vt:
1.23      schwarze  821:                outflags |= MMAN_sp;
                    822:                break;
1.62      schwarze  823:        case MDOC_Ft:
1.23      schwarze  824:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    825:                        outflags |= MMAN_sp;
                    826:                        break;
                    827:                }
                    828:                /* FALLTHROUGH */
                    829:        default:
                    830:                outflags |= MMAN_br;
                    831:                break;
                    832:        }
                    833: }
                    834:
1.22      schwarze  835: static int
                    836: pre_an(DECL_ARGS)
                    837: {
                    838:
                    839:        switch (n->norm->An.auth) {
1.62      schwarze  840:        case AUTH_split:
1.22      schwarze  841:                outflags &= ~MMAN_An_nosplit;
                    842:                outflags |= MMAN_An_split;
                    843:                return(0);
1.62      schwarze  844:        case AUTH_nosplit:
1.22      schwarze  845:                outflags &= ~MMAN_An_split;
                    846:                outflags |= MMAN_An_nosplit;
                    847:                return(0);
                    848:        default:
                    849:                if (MMAN_An_split & outflags)
                    850:                        outflags |= MMAN_br;
                    851:                else if (SEC_AUTHORS == n->sec &&
                    852:                    ! (MMAN_An_nosplit & outflags))
                    853:                        outflags |= MMAN_An_split;
                    854:                return(1);
                    855:        }
1.3       schwarze  856: }
                    857:
                    858: static int
                    859: pre_ap(DECL_ARGS)
                    860: {
                    861:
1.20      schwarze  862:        outflags &= ~MMAN_spc;
                    863:        print_word("'");
                    864:        outflags &= ~MMAN_spc;
1.3       schwarze  865:        return(0);
                    866: }
                    867:
                    868: static int
                    869: pre_bd(DECL_ARGS)
                    870: {
                    871:
1.36      schwarze  872:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    873:
                    874:        if (DISP_unfilled == n->norm->Bd.type ||
                    875:            DISP_literal  == n->norm->Bd.type)
                    876:                print_line(".nf", 0);
                    877:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.21      schwarze  878:                outflags |= MMAN_sp;
1.20      schwarze  879:        print_offs(n->norm->Bd.offs);
1.3       schwarze  880:        return(1);
                    881: }
                    882:
                    883: static void
                    884: post_bd(DECL_ARGS)
                    885: {
                    886:
1.43      schwarze  887:        /* Close out this display. */
1.36      schwarze  888:        print_line(".RE", MMAN_nl);
1.3       schwarze  889:        if (DISP_unfilled == n->norm->Bd.type ||
1.36      schwarze  890:            DISP_literal  == n->norm->Bd.type)
                    891:                print_line(".fi", MMAN_nl);
1.43      schwarze  892:
1.47      schwarze  893:        /* Maybe we are inside an enclosing list? */
                    894:        if (NULL != n->parent->next)
                    895:                mid_it();
1.13      schwarze  896: }
                    897:
                    898: static int
1.27      schwarze  899: pre_bf(DECL_ARGS)
                    900: {
                    901:
                    902:        switch (n->type) {
1.62      schwarze  903:        case MDOC_BLOCK:
1.27      schwarze  904:                return(1);
1.62      schwarze  905:        case MDOC_BODY:
1.27      schwarze  906:                break;
                    907:        default:
                    908:                return(0);
                    909:        }
                    910:        switch (n->norm->Bf.font) {
1.62      schwarze  911:        case FONT_Em:
1.27      schwarze  912:                font_push('I');
                    913:                break;
1.62      schwarze  914:        case FONT_Sy:
1.27      schwarze  915:                font_push('B');
                    916:                break;
                    917:        default:
                    918:                font_push('R');
                    919:                break;
                    920:        }
                    921:        return(1);
                    922: }
                    923:
                    924: static void
                    925: post_bf(DECL_ARGS)
                    926: {
                    927:
                    928:        if (MDOC_BODY == n->type)
                    929:                font_pop();
                    930: }
                    931:
                    932: static int
1.13      schwarze  933: pre_bk(DECL_ARGS)
                    934: {
                    935:
                    936:        switch (n->type) {
1.62      schwarze  937:        case MDOC_BLOCK:
1.13      schwarze  938:                return(1);
1.62      schwarze  939:        case MDOC_BODY:
1.20      schwarze  940:                outflags |= MMAN_Bk;
1.13      schwarze  941:                return(1);
                    942:        default:
                    943:                return(0);
                    944:        }
                    945: }
                    946:
                    947: static void
                    948: post_bk(DECL_ARGS)
                    949: {
                    950:
1.54      schwarze  951:        if (MDOC_BODY == n->type)
1.20      schwarze  952:                outflags &= ~MMAN_Bk;
1.3       schwarze  953: }
                    954:
                    955: static int
1.30      schwarze  956: pre_bl(DECL_ARGS)
                    957: {
1.33      schwarze  958:        size_t           icol;
1.30      schwarze  959:
1.49      schwarze  960:        /*
                    961:         * print_offs() will increase the -offset to account for
                    962:         * a possible enclosing .It, but any enclosed .It blocks
                    963:         * just nest and do not add up their indentation.
                    964:         */
                    965:        if (n->norm->Bl.offs) {
                    966:                print_offs(n->norm->Bl.offs);
                    967:                Bl_stack[Bl_stack_len++] = 0;
                    968:        }
                    969:
1.33      schwarze  970:        switch (n->norm->Bl.type) {
1.62      schwarze  971:        case LIST_enum:
1.30      schwarze  972:                n->norm->Bl.count = 0;
1.33      schwarze  973:                return(1);
1.62      schwarze  974:        case LIST_column:
1.33      schwarze  975:                break;
                    976:        default:
                    977:                return(1);
                    978:        }
                    979:
1.36      schwarze  980:        print_line(".TS", MMAN_nl);
1.33      schwarze  981:        for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                    982:                print_word("l");
                    983:        print_word(".");
1.36      schwarze  984:        outflags |= MMAN_nl;
1.30      schwarze  985:        return(1);
                    986: }
                    987:
                    988: static void
                    989: post_bl(DECL_ARGS)
                    990: {
                    991:
1.33      schwarze  992:        switch (n->norm->Bl.type) {
1.62      schwarze  993:        case LIST_column:
1.36      schwarze  994:                print_line(".TE", 0);
                    995:                break;
1.62      schwarze  996:        case LIST_enum:
1.33      schwarze  997:                n->norm->Bl.count = 0;
                    998:                break;
                    999:        default:
                   1000:                break;
                   1001:        }
1.49      schwarze 1002:
                   1003:        if (n->norm->Bl.offs) {
                   1004:                print_line(".RE", MMAN_nl);
                   1005:                assert(Bl_stack_len);
                   1006:                Bl_stack_len--;
                   1007:                assert(0 == Bl_stack[Bl_stack_len]);
                   1008:        } else {
                   1009:                outflags |= MMAN_PP | MMAN_nl;
                   1010:                outflags &= ~(MMAN_sp | MMAN_br);
                   1011:        }
1.47      schwarze 1012:
                   1013:        /* Maybe we are inside an enclosing list? */
                   1014:        if (NULL != n->parent->next)
                   1015:                mid_it();
                   1016:
1.30      schwarze 1017: }
                   1018:
                   1019: static int
1.3       schwarze 1020: pre_br(DECL_ARGS)
                   1021: {
                   1022:
1.21      schwarze 1023:        outflags |= MMAN_br;
1.3       schwarze 1024:        return(0);
                   1025: }
                   1026:
                   1027: static int
1.8       schwarze 1028: pre_bx(DECL_ARGS)
                   1029: {
                   1030:
                   1031:        n = n->child;
                   1032:        if (n) {
1.20      schwarze 1033:                print_word(n->string);
                   1034:                outflags &= ~MMAN_spc;
1.8       schwarze 1035:                n = n->next;
                   1036:        }
1.20      schwarze 1037:        print_word("BSD");
1.8       schwarze 1038:        if (NULL == n)
                   1039:                return(0);
1.20      schwarze 1040:        outflags &= ~MMAN_spc;
                   1041:        print_word("-");
                   1042:        outflags &= ~MMAN_spc;
                   1043:        print_word(n->string);
1.8       schwarze 1044:        return(0);
                   1045: }
                   1046:
                   1047: static int
1.1       schwarze 1048: pre_dl(DECL_ARGS)
                   1049: {
                   1050:
1.47      schwarze 1051:        print_offs("6n");
1.1       schwarze 1052:        return(1);
                   1053: }
                   1054:
                   1055: static void
                   1056: post_dl(DECL_ARGS)
                   1057: {
                   1058:
1.36      schwarze 1059:        print_line(".RE", MMAN_nl);
1.47      schwarze 1060:
                   1061:        /* Maybe we are inside an enclosing list? */
                   1062:        if (NULL != n->parent->next)
                   1063:                mid_it();
1.16      schwarze 1064: }
                   1065:
                   1066: static int
1.26      schwarze 1067: pre_em(DECL_ARGS)
                   1068: {
                   1069:
                   1070:        font_push('I');
                   1071:        return(1);
1.28      schwarze 1072: }
                   1073:
1.64      schwarze 1074: static int
                   1075: pre_en(DECL_ARGS)
                   1076: {
                   1077:
                   1078:        if (NULL == n->norm->Es ||
                   1079:            NULL == n->norm->Es->child)
                   1080:                return(1);
                   1081:
                   1082:        print_word(n->norm->Es->child->string);
                   1083:        outflags &= ~MMAN_spc;
                   1084:        return(1);
                   1085: }
                   1086:
                   1087: static void
                   1088: post_en(DECL_ARGS)
                   1089: {
                   1090:
                   1091:        if (NULL == n->norm->Es ||
                   1092:            NULL == n->norm->Es->child ||
                   1093:            NULL == n->norm->Es->child->next)
                   1094:                return;
                   1095:
                   1096:        outflags &= ~MMAN_spc;
                   1097:        print_word(n->norm->Es->child->next->string);
                   1098:        return;
                   1099: }
                   1100:
1.28      schwarze 1101: static void
                   1102: post_eo(DECL_ARGS)
                   1103: {
                   1104:
                   1105:        if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
                   1106:                outflags &= ~MMAN_spc;
1.64      schwarze 1107: }
                   1108:
                   1109: static int
                   1110: pre_es(DECL_ARGS)
                   1111: {
                   1112:
                   1113:        return(0);
1.26      schwarze 1114: }
                   1115:
                   1116: static int
1.17      schwarze 1117: pre_fa(DECL_ARGS)
                   1118: {
1.57      schwarze 1119:        int      am_Fa;
1.17      schwarze 1120:
1.57      schwarze 1121:        am_Fa = MDOC_Fa == n->tok;
                   1122:
                   1123:        if (am_Fa)
1.17      schwarze 1124:                n = n->child;
                   1125:
                   1126:        while (NULL != n) {
1.26      schwarze 1127:                font_push('I');
1.57      schwarze 1128:                if (am_Fa || MDOC_SYNPRETTY & n->flags)
1.56      schwarze 1129:                        outflags |= MMAN_nbrword;
1.42      schwarze 1130:                print_node(meta, n);
1.26      schwarze 1131:                font_pop();
1.17      schwarze 1132:                if (NULL != (n = n->next))
1.20      schwarze 1133:                        print_word(",");
1.17      schwarze 1134:        }
                   1135:        return(0);
                   1136: }
                   1137:
                   1138: static void
                   1139: post_fa(DECL_ARGS)
                   1140: {
                   1141:
                   1142:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20      schwarze 1143:                print_word(",");
1.29      schwarze 1144: }
                   1145:
                   1146: static int
                   1147: pre_fd(DECL_ARGS)
                   1148: {
                   1149:
                   1150:        pre_syn(n);
                   1151:        font_push('B');
                   1152:        return(1);
                   1153: }
                   1154:
                   1155: static void
                   1156: post_fd(DECL_ARGS)
                   1157: {
                   1158:
                   1159:        font_pop();
                   1160:        outflags |= MMAN_br;
1.17      schwarze 1161: }
                   1162:
                   1163: static int
1.26      schwarze 1164: pre_fl(DECL_ARGS)
                   1165: {
                   1166:
                   1167:        font_push('B');
1.45      schwarze 1168:        print_word("\\-");
1.70    ! schwarze 1169:        if (n->nchild)
        !          1170:                outflags &= ~MMAN_spc;
1.26      schwarze 1171:        return(1);
                   1172: }
                   1173:
                   1174: static void
                   1175: post_fl(DECL_ARGS)
                   1176: {
                   1177:
                   1178:        font_pop();
1.70    ! schwarze 1179:        if ( ! (n->nchild ||
        !          1180:            n->next == NULL ||
        !          1181:            n->next->type == MDOC_TEXT ||
        !          1182:            n->next->flags & MDOC_LINE))
1.26      schwarze 1183:                outflags &= ~MMAN_spc;
                   1184: }
                   1185:
                   1186: static int
1.16      schwarze 1187: pre_fn(DECL_ARGS)
                   1188: {
                   1189:
1.23      schwarze 1190:        pre_syn(n);
                   1191:
1.16      schwarze 1192:        n = n->child;
                   1193:        if (NULL == n)
                   1194:                return(0);
                   1195:
1.55      schwarze 1196:        if (MDOC_SYNPRETTY & n->flags)
                   1197:                print_block(".HP 4n", MMAN_nl);
                   1198:
1.26      schwarze 1199:        font_push('B');
1.42      schwarze 1200:        print_node(meta, n);
1.26      schwarze 1201:        font_pop();
1.20      schwarze 1202:        outflags &= ~MMAN_spc;
1.26      schwarze 1203:        print_word("(");
1.20      schwarze 1204:        outflags &= ~MMAN_spc;
1.35      schwarze 1205:
                   1206:        n = n->next;
                   1207:        if (NULL != n)
1.42      schwarze 1208:                pre_fa(meta, n);
1.35      schwarze 1209:        return(0);
1.16      schwarze 1210: }
                   1211:
                   1212: static void
                   1213: post_fn(DECL_ARGS)
                   1214: {
                   1215:
1.20      schwarze 1216:        print_word(")");
1.16      schwarze 1217:        if (MDOC_SYNPRETTY & n->flags) {
1.20      schwarze 1218:                print_word(";");
1.55      schwarze 1219:                outflags |= MMAN_PP;
1.17      schwarze 1220:        }
                   1221: }
                   1222:
                   1223: static int
                   1224: pre_fo(DECL_ARGS)
                   1225: {
                   1226:
                   1227:        switch (n->type) {
1.62      schwarze 1228:        case MDOC_BLOCK:
1.23      schwarze 1229:                pre_syn(n);
                   1230:                break;
1.62      schwarze 1231:        case MDOC_HEAD:
1.57      schwarze 1232:                if (MDOC_SYNPRETTY & n->flags)
                   1233:                        print_block(".HP 4n", MMAN_nl);
1.26      schwarze 1234:                font_push('B');
1.17      schwarze 1235:                break;
1.62      schwarze 1236:        case MDOC_BODY:
1.20      schwarze 1237:                outflags &= ~MMAN_spc;
                   1238:                print_word("(");
                   1239:                outflags &= ~MMAN_spc;
1.17      schwarze 1240:                break;
                   1241:        default:
                   1242:                break;
                   1243:        }
                   1244:        return(1);
                   1245: }
1.57      schwarze 1246:
1.17      schwarze 1247: static void
                   1248: post_fo(DECL_ARGS)
                   1249: {
                   1250:
                   1251:        switch (n->type) {
1.62      schwarze 1252:        case MDOC_HEAD:
1.26      schwarze 1253:                font_pop();
1.17      schwarze 1254:                break;
1.62      schwarze 1255:        case MDOC_BODY:
1.42      schwarze 1256:                post_fn(meta, n);
1.17      schwarze 1257:                break;
                   1258:        default:
                   1259:                break;
1.16      schwarze 1260:        }
1.15      schwarze 1261: }
                   1262:
                   1263: static int
1.23      schwarze 1264: pre_ft(DECL_ARGS)
                   1265: {
                   1266:
                   1267:        pre_syn(n);
1.26      schwarze 1268:        font_push('I');
1.23      schwarze 1269:        return(1);
                   1270: }
                   1271:
                   1272: static int
1.15      schwarze 1273: pre_in(DECL_ARGS)
                   1274: {
                   1275:
                   1276:        if (MDOC_SYNPRETTY & n->flags) {
1.23      schwarze 1277:                pre_syn(n);
1.26      schwarze 1278:                font_push('B');
                   1279:                print_word("#include <");
                   1280:                outflags &= ~MMAN_spc;
                   1281:        } else {
                   1282:                print_word("<");
                   1283:                outflags &= ~MMAN_spc;
                   1284:                font_push('I');
                   1285:        }
1.15      schwarze 1286:        return(1);
                   1287: }
                   1288:
                   1289: static void
                   1290: post_in(DECL_ARGS)
                   1291: {
                   1292:
                   1293:        if (MDOC_SYNPRETTY & n->flags) {
1.26      schwarze 1294:                outflags &= ~MMAN_spc;
                   1295:                print_word(">");
                   1296:                font_pop();
1.21      schwarze 1297:                outflags |= MMAN_br;
1.26      schwarze 1298:        } else {
                   1299:                font_pop();
                   1300:                outflags &= ~MMAN_spc;
                   1301:                print_word(">");
                   1302:        }
1.1       schwarze 1303: }
                   1304:
                   1305: static int
                   1306: pre_it(DECL_ARGS)
                   1307: {
                   1308:        const struct mdoc_node *bln;
                   1309:
1.30      schwarze 1310:        switch (n->type) {
1.62      schwarze 1311:        case MDOC_HEAD:
1.36      schwarze 1312:                outflags |= MMAN_PP | MMAN_nl;
1.30      schwarze 1313:                bln = n->parent->parent;
1.36      schwarze 1314:                if (0 == bln->norm->Bl.comp ||
1.39      schwarze 1315:                    (NULL == n->parent->prev &&
                   1316:                     NULL == bln->parent->prev))
1.36      schwarze 1317:                        outflags |= MMAN_sp;
                   1318:                outflags &= ~MMAN_br;
1.3       schwarze 1319:                switch (bln->norm->Bl.type) {
1.62      schwarze 1320:                case LIST_item:
1.30      schwarze 1321:                        return(0);
1.62      schwarze 1322:                case LIST_inset:
1.30      schwarze 1323:                        /* FALLTHROUGH */
1.62      schwarze 1324:                case LIST_diag:
1.30      schwarze 1325:                        /* FALLTHROUGH */
1.62      schwarze 1326:                case LIST_ohang:
1.30      schwarze 1327:                        if (bln->norm->Bl.type == LIST_diag)
1.36      schwarze 1328:                                print_line(".B \"", 0);
1.30      schwarze 1329:                        else
1.36      schwarze 1330:                                print_line(".R \"", 0);
1.30      schwarze 1331:                        outflags &= ~MMAN_spc;
                   1332:                        return(1);
1.62      schwarze 1333:                case LIST_bullet:
1.30      schwarze 1334:                        /* FALLTHROUGH */
1.62      schwarze 1335:                case LIST_dash:
1.30      schwarze 1336:                        /* FALLTHROUGH */
1.62      schwarze 1337:                case LIST_hyphen:
1.35      schwarze 1338:                        print_width(bln->norm->Bl.width, NULL, 0);
1.37      schwarze 1339:                        TPremain = 0;
1.30      schwarze 1340:                        outflags |= MMAN_nl;
                   1341:                        font_push('B');
                   1342:                        if (LIST_bullet == bln->norm->Bl.type)
                   1343:                                print_word("o");
                   1344:                        else
                   1345:                                print_word("-");
                   1346:                        font_pop();
1.66      schwarze 1347:                        outflags |= MMAN_nl;
                   1348:                        return(0);
1.62      schwarze 1349:                case LIST_enum:
1.35      schwarze 1350:                        print_width(bln->norm->Bl.width, NULL, 0);
1.37      schwarze 1351:                        TPremain = 0;
1.30      schwarze 1352:                        outflags |= MMAN_nl;
                   1353:                        print_count(&bln->norm->Bl.count);
1.66      schwarze 1354:                        outflags |= MMAN_nl;
                   1355:                        return(0);
1.62      schwarze 1356:                case LIST_hang:
1.35      schwarze 1357:                        print_width(bln->norm->Bl.width, n->child, 6);
1.37      schwarze 1358:                        TPremain = 0;
1.66      schwarze 1359:                        outflags |= MMAN_nl;
                   1360:                        return(1);
1.62      schwarze 1361:                case LIST_tag:
1.37      schwarze 1362:                        print_width(bln->norm->Bl.width, n->child, 0);
                   1363:                        putchar('\n');
                   1364:                        outflags &= ~MMAN_spc;
                   1365:                        return(1);
1.3       schwarze 1366:                default:
1.32      schwarze 1367:                        return(1);
1.3       schwarze 1368:                }
1.30      schwarze 1369:        default:
                   1370:                break;
1.1       schwarze 1371:        }
                   1372:        return(1);
1.30      schwarze 1373: }
                   1374:
1.47      schwarze 1375: /*
                   1376:  * This function is called after closing out an indented block.
                   1377:  * If we are inside an enclosing list, restore its indentation.
                   1378:  */
                   1379: static void
                   1380: mid_it(void)
                   1381: {
                   1382:        char             buf[24];
                   1383:
                   1384:        /* Nothing to do outside a list. */
                   1385:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
                   1386:                return;
                   1387:
                   1388:        /* The indentation has already been set up. */
                   1389:        if (Bl_stack_post[Bl_stack_len - 1])
                   1390:                return;
                   1391:
                   1392:        /* Restore the indentation of the enclosing list. */
                   1393:        print_line(".RS", MMAN_Bk_susp);
1.63      schwarze 1394:        (void)snprintf(buf, sizeof(buf), "%zun",
                   1395:            Bl_stack[Bl_stack_len - 1]);
1.47      schwarze 1396:        print_word(buf);
                   1397:
                   1398:        /* Remeber to close out this .RS block later. */
                   1399:        Bl_stack_post[Bl_stack_len - 1] = 1;
                   1400: }
                   1401:
1.30      schwarze 1402: static void
                   1403: post_it(DECL_ARGS)
                   1404: {
                   1405:        const struct mdoc_node *bln;
                   1406:
1.33      schwarze 1407:        bln = n->parent->parent;
                   1408:
                   1409:        switch (n->type) {
1.62      schwarze 1410:        case MDOC_HEAD:
1.30      schwarze 1411:                switch (bln->norm->Bl.type) {
1.62      schwarze 1412:                case LIST_diag:
1.30      schwarze 1413:                        outflags &= ~MMAN_spc;
                   1414:                        print_word("\\ ");
                   1415:                        break;
1.62      schwarze 1416:                case LIST_ohang:
1.30      schwarze 1417:                        outflags |= MMAN_br;
                   1418:                        break;
                   1419:                default:
                   1420:                        break;
                   1421:                }
1.33      schwarze 1422:                break;
1.62      schwarze 1423:        case MDOC_BODY:
1.43      schwarze 1424:                switch (bln->norm->Bl.type) {
1.62      schwarze 1425:                case LIST_bullet:
1.43      schwarze 1426:                        /* FALLTHROUGH */
1.62      schwarze 1427:                case LIST_dash:
1.43      schwarze 1428:                        /* FALLTHROUGH */
1.62      schwarze 1429:                case LIST_hyphen:
1.43      schwarze 1430:                        /* FALLTHROUGH */
1.62      schwarze 1431:                case LIST_enum:
1.43      schwarze 1432:                        /* FALLTHROUGH */
1.62      schwarze 1433:                case LIST_hang:
1.43      schwarze 1434:                        /* FALLTHROUGH */
1.62      schwarze 1435:                case LIST_tag:
1.43      schwarze 1436:                        assert(Bl_stack_len);
                   1437:                        Bl_stack[--Bl_stack_len] = 0;
                   1438:
                   1439:                        /*
                   1440:                         * Our indentation had to be restored
1.47      schwarze 1441:                         * after a child display or child list.
1.43      schwarze 1442:                         * Close out that indentation block now.
                   1443:                         */
                   1444:                        if (Bl_stack_post[Bl_stack_len]) {
                   1445:                                print_line(".RE", MMAN_nl);
                   1446:                                Bl_stack_post[Bl_stack_len] = 0;
                   1447:                        }
                   1448:                        break;
1.62      schwarze 1449:                case LIST_column:
1.43      schwarze 1450:                        if (NULL != n->next) {
                   1451:                                putchar('\t');
                   1452:                                outflags &= ~MMAN_spc;
                   1453:                        }
                   1454:                        break;
                   1455:                default:
                   1456:                        break;
1.33      schwarze 1457:                }
                   1458:                break;
                   1459:        default:
                   1460:                break;
1.30      schwarze 1461:        }
1.14      schwarze 1462: }
                   1463:
                   1464: static void
                   1465: post_lb(DECL_ARGS)
                   1466: {
                   1467:
1.21      schwarze 1468:        if (SEC_LIBRARY == n->sec)
                   1469:                outflags |= MMAN_br;
1.24      schwarze 1470: }
                   1471:
                   1472: static int
                   1473: pre_lk(DECL_ARGS)
                   1474: {
                   1475:        const struct mdoc_node *link, *descr;
                   1476:
                   1477:        if (NULL == (link = n->child))
                   1478:                return(0);
                   1479:
                   1480:        if (NULL != (descr = link->next)) {
1.26      schwarze 1481:                font_push('I');
1.24      schwarze 1482:                while (NULL != descr) {
                   1483:                        print_word(descr->string);
                   1484:                        descr = descr->next;
                   1485:                }
                   1486:                print_word(":");
1.26      schwarze 1487:                font_pop();
1.24      schwarze 1488:        }
                   1489:
1.26      schwarze 1490:        font_push('B');
1.24      schwarze 1491:        print_word(link->string);
1.26      schwarze 1492:        font_pop();
1.24      schwarze 1493:        return(0);
1.60      schwarze 1494: }
                   1495:
                   1496: static int
                   1497: pre_ll(DECL_ARGS)
                   1498: {
                   1499:
                   1500:        print_line(".ll", 0);
                   1501:        return(1);
1.1       schwarze 1502: }
                   1503:
                   1504: static int
1.26      schwarze 1505: pre_li(DECL_ARGS)
                   1506: {
                   1507:
                   1508:        font_push('R');
                   1509:        return(1);
                   1510: }
                   1511:
                   1512: static int
1.1       schwarze 1513: pre_nm(DECL_ARGS)
                   1514: {
1.38      schwarze 1515:        char    *name;
1.1       schwarze 1516:
1.54      schwarze 1517:        if (MDOC_BLOCK == n->type) {
                   1518:                outflags |= MMAN_Bk;
1.23      schwarze 1519:                pre_syn(n);
1.54      schwarze 1520:        }
1.1       schwarze 1521:        if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
                   1522:                return(1);
1.42      schwarze 1523:        name = n->child ? n->child->string : meta->name;
1.38      schwarze 1524:        if (NULL == name)
1.23      schwarze 1525:                return(0);
1.38      schwarze 1526:        if (MDOC_HEAD == n->type) {
                   1527:                if (NULL == n->parent->prev)
                   1528:                        outflags |= MMAN_sp;
                   1529:                print_block(".HP", 0);
1.53      schwarze 1530:                printf(" %zun", strlen(name) + 1);
1.38      schwarze 1531:                outflags |= MMAN_nl;
                   1532:        }
1.26      schwarze 1533:        font_push('B');
1.1       schwarze 1534:        if (NULL == n->child)
1.42      schwarze 1535:                print_word(meta->name);
1.1       schwarze 1536:        return(1);
                   1537: }
                   1538:
                   1539: static void
                   1540: post_nm(DECL_ARGS)
                   1541: {
                   1542:
1.54      schwarze 1543:        switch (n->type) {
1.62      schwarze 1544:        case MDOC_BLOCK:
1.54      schwarze 1545:                outflags &= ~MMAN_Bk;
                   1546:                break;
1.62      schwarze 1547:        case MDOC_HEAD:
1.54      schwarze 1548:                /* FALLTHROUGH */
1.62      schwarze 1549:        case MDOC_ELEM:
1.67      schwarze 1550:                if (n->child != NULL || meta->name != NULL)
                   1551:                        font_pop();
1.54      schwarze 1552:                break;
                   1553:        default:
                   1554:                break;
                   1555:        }
1.25      schwarze 1556: }
                   1557:
                   1558: static int
                   1559: pre_no(DECL_ARGS)
                   1560: {
                   1561:
                   1562:        outflags |= MMAN_spc_force;
                   1563:        return(1);
1.1       schwarze 1564: }
                   1565:
                   1566: static int
                   1567: pre_ns(DECL_ARGS)
                   1568: {
                   1569:
1.20      schwarze 1570:        outflags &= ~MMAN_spc;
1.1       schwarze 1571:        return(0);
                   1572: }
                   1573:
1.3       schwarze 1574: static void
                   1575: post_pf(DECL_ARGS)
                   1576: {
                   1577:
1.20      schwarze 1578:        outflags &= ~MMAN_spc;
1.3       schwarze 1579: }
                   1580:
1.1       schwarze 1581: static int
                   1582: pre_pp(DECL_ARGS)
                   1583: {
                   1584:
1.36      schwarze 1585:        if (MDOC_It != n->parent->tok)
                   1586:                outflags |= MMAN_PP;
                   1587:        outflags |= MMAN_sp | MMAN_nl;
                   1588:        outflags &= ~MMAN_br;
1.34      schwarze 1589:        return(0);
                   1590: }
                   1591:
                   1592: static int
                   1593: pre_rs(DECL_ARGS)
                   1594: {
                   1595:
                   1596:        if (SEC_SEE_ALSO == n->sec) {
1.36      schwarze 1597:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1598:                outflags &= ~MMAN_br;
1.34      schwarze 1599:        }
                   1600:        return(1);
1.67      schwarze 1601: }
                   1602:
                   1603: static int
                   1604: pre_rv(DECL_ARGS)
                   1605: {
                   1606:        int      nchild;
                   1607:
                   1608:        outflags |= MMAN_br | MMAN_nl;
                   1609:
                   1610:        nchild = n->nchild;
                   1611:        if (nchild > 0) {
                   1612:                print_word("The");
                   1613:
                   1614:                for (n = n->child; n; n = n->next) {
                   1615:                        font_push('B');
                   1616:                        print_word(n->string);
                   1617:                        font_pop();
                   1618:
                   1619:                        outflags &= ~MMAN_spc;
                   1620:                        print_word("()");
                   1621:
                   1622:                        if (n->next == NULL)
                   1623:                                continue;
                   1624:
                   1625:                        if (nchild > 2) {
                   1626:                                outflags &= ~MMAN_spc;
                   1627:                                print_word(",");
                   1628:                        }
                   1629:                        if (n->next->next == NULL)
                   1630:                                print_word("and");
                   1631:                }
                   1632:
                   1633:                if (nchild > 1)
                   1634:                        print_word("functions return");
                   1635:                else
                   1636:                        print_word("function returns");
                   1637:
                   1638:                print_word("the value\\~0 if successful;");
                   1639:        } else
                   1640:                print_word("Upon successful completion, "
                   1641:                    "the value\\~0 is returned;");
                   1642:
                   1643:        print_word("otherwise the value\\~\\-1 is returned"
                   1644:            " and the global variable");
                   1645:
                   1646:        font_push('I');
                   1647:        print_word("errno");
                   1648:        font_pop();
                   1649:
                   1650:        print_word("is set to indicate the error.");
                   1651:        outflags |= MMAN_nl;
                   1652:        return(0);
1.12      schwarze 1653: }
                   1654:
                   1655: static int
                   1656: pre_sm(DECL_ARGS)
                   1657: {
                   1658:
1.65      schwarze 1659:        if (NULL == n->child)
                   1660:                outflags ^= MMAN_Sm;
                   1661:        else if (0 == strcmp("on", n->child->string))
                   1662:                outflags |= MMAN_Sm;
1.12      schwarze 1663:        else
1.20      schwarze 1664:                outflags &= ~MMAN_Sm;
1.65      schwarze 1665:
                   1666:        if (MMAN_Sm & outflags)
                   1667:                outflags |= MMAN_spc;
                   1668:
1.12      schwarze 1669:        return(0);
1.1       schwarze 1670: }
                   1671:
                   1672: static int
1.3       schwarze 1673: pre_sp(DECL_ARGS)
1.1       schwarze 1674: {
                   1675:
1.41      schwarze 1676:        if (MMAN_PP & outflags) {
                   1677:                outflags &= ~MMAN_PP;
1.40      schwarze 1678:                print_line(".PP", 0);
1.41      schwarze 1679:        } else
1.40      schwarze 1680:                print_line(".sp", 0);
1.1       schwarze 1681:        return(1);
                   1682: }
                   1683:
                   1684: static void
1.3       schwarze 1685: post_sp(DECL_ARGS)
1.1       schwarze 1686: {
                   1687:
1.20      schwarze 1688:        outflags |= MMAN_nl;
1.18      schwarze 1689: }
                   1690:
                   1691: static int
1.26      schwarze 1692: pre_sy(DECL_ARGS)
                   1693: {
                   1694:
                   1695:        font_push('B');
                   1696:        return(1);
                   1697: }
                   1698:
                   1699: static int
1.18      schwarze 1700: pre_vt(DECL_ARGS)
                   1701: {
                   1702:
                   1703:        if (MDOC_SYNPRETTY & n->flags) {
                   1704:                switch (n->type) {
1.62      schwarze 1705:                case MDOC_BLOCK:
1.23      schwarze 1706:                        pre_syn(n);
1.18      schwarze 1707:                        return(1);
1.62      schwarze 1708:                case MDOC_BODY:
1.18      schwarze 1709:                        break;
                   1710:                default:
                   1711:                        return(0);
                   1712:                }
                   1713:        }
1.26      schwarze 1714:        font_push('I');
1.18      schwarze 1715:        return(1);
                   1716: }
                   1717:
                   1718: static void
                   1719: post_vt(DECL_ARGS)
                   1720: {
                   1721:
1.19      schwarze 1722:        if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.18      schwarze 1723:                return;
1.26      schwarze 1724:        font_pop();
1.1       schwarze 1725: }
                   1726:
                   1727: static int
                   1728: pre_xr(DECL_ARGS)
                   1729: {
                   1730:
                   1731:        n = n->child;
                   1732:        if (NULL == n)
                   1733:                return(0);
1.42      schwarze 1734:        print_node(meta, n);
1.1       schwarze 1735:        n = n->next;
                   1736:        if (NULL == n)
                   1737:                return(0);
1.20      schwarze 1738:        outflags &= ~MMAN_spc;
                   1739:        print_word("(");
1.42      schwarze 1740:        print_node(meta, n);
1.20      schwarze 1741:        print_word(")");
1.1       schwarze 1742:        return(0);
1.8       schwarze 1743: }
                   1744:
                   1745: static int
                   1746: pre_ux(DECL_ARGS)
                   1747: {
                   1748:
1.20      schwarze 1749:        print_word(manacts[n->tok].prefix);
1.8       schwarze 1750:        if (NULL == n->child)
                   1751:                return(0);
1.20      schwarze 1752:        outflags &= ~MMAN_spc;
1.45      schwarze 1753:        print_word("\\ ");
1.20      schwarze 1754:        outflags &= ~MMAN_spc;
1.8       schwarze 1755:        return(1);
1.1       schwarze 1756: }

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