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Annotation of mandoc/mdoc_man.c, Revision 1.84

1.84    ! schwarze    1: /*     $Id: mdoc_man.c,v 1.83 2015/01/28 17:32:07 schwarze Exp $ */
1.1       schwarze    2: /*
1.82      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:  */
1.7       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);
1.74      schwarze   49: static void      post_aq(DECL_ARGS);
1.5       kristaps   50: static void      post_bd(DECL_ARGS);
1.27      schwarze   51: static void      post_bf(DECL_ARGS);
1.13      schwarze   52: static void      post_bk(DECL_ARGS);
1.30      schwarze   53: static void      post_bl(DECL_ARGS);
1.5       kristaps   54: static void      post_dl(DECL_ARGS);
1.64      schwarze   55: static void      post_en(DECL_ARGS);
1.1       schwarze   56: static void      post_enc(DECL_ARGS);
1.28      schwarze   57: static void      post_eo(DECL_ARGS);
1.17      schwarze   58: static void      post_fa(DECL_ARGS);
1.29      schwarze   59: static void      post_fd(DECL_ARGS);
1.26      schwarze   60: static void      post_fl(DECL_ARGS);
1.16      schwarze   61: static void      post_fn(DECL_ARGS);
1.17      schwarze   62: static void      post_fo(DECL_ARGS);
1.26      schwarze   63: static void      post_font(DECL_ARGS);
1.15      schwarze   64: static void      post_in(DECL_ARGS);
1.30      schwarze   65: static void      post_it(DECL_ARGS);
1.14      schwarze   66: static void      post_lb(DECL_ARGS);
1.5       kristaps   67: static void      post_nm(DECL_ARGS);
1.1       schwarze   68: static void      post_percent(DECL_ARGS);
1.5       kristaps   69: static void      post_pf(DECL_ARGS);
1.3       schwarze   70: static void      post_sect(DECL_ARGS);
1.5       kristaps   71: static void      post_sp(DECL_ARGS);
1.18      schwarze   72: static void      post_vt(DECL_ARGS);
1.34      schwarze   73: static int       pre__t(DECL_ARGS);
1.22      schwarze   74: static int       pre_an(DECL_ARGS);
1.3       schwarze   75: static int       pre_ap(DECL_ARGS);
1.74      schwarze   76: static int       pre_aq(DECL_ARGS);
1.3       schwarze   77: static int       pre_bd(DECL_ARGS);
1.27      schwarze   78: static int       pre_bf(DECL_ARGS);
1.13      schwarze   79: static int       pre_bk(DECL_ARGS);
1.30      schwarze   80: static int       pre_bl(DECL_ARGS);
1.3       schwarze   81: static int       pre_br(DECL_ARGS);
1.8       schwarze   82: static int       pre_bx(DECL_ARGS);
1.1       schwarze   83: static int       pre_dl(DECL_ARGS);
1.64      schwarze   84: static int       pre_en(DECL_ARGS);
1.5       kristaps   85: static int       pre_enc(DECL_ARGS);
1.26      schwarze   86: static int       pre_em(DECL_ARGS);
1.75      schwarze   87: static int       pre_skip(DECL_ARGS);
1.76      schwarze   88: static int       pre_eo(DECL_ARGS);
1.67      schwarze   89: static int       pre_ex(DECL_ARGS);
1.17      schwarze   90: static int       pre_fa(DECL_ARGS);
1.29      schwarze   91: static int       pre_fd(DECL_ARGS);
1.26      schwarze   92: static int       pre_fl(DECL_ARGS);
1.16      schwarze   93: static int       pre_fn(DECL_ARGS);
1.17      schwarze   94: static int       pre_fo(DECL_ARGS);
1.23      schwarze   95: static int       pre_ft(DECL_ARGS);
1.15      schwarze   96: static int       pre_in(DECL_ARGS);
1.1       schwarze   97: static int       pre_it(DECL_ARGS);
1.24      schwarze   98: static int       pre_lk(DECL_ARGS);
1.26      schwarze   99: static int       pre_li(DECL_ARGS);
1.60      schwarze  100: static int       pre_ll(DECL_ARGS);
1.1       schwarze  101: static int       pre_nm(DECL_ARGS);
1.25      schwarze  102: static int       pre_no(DECL_ARGS);
1.1       schwarze  103: static int       pre_ns(DECL_ARGS);
                    104: static int       pre_pp(DECL_ARGS);
1.34      schwarze  105: static int       pre_rs(DECL_ARGS);
1.67      schwarze  106: static int       pre_rv(DECL_ARGS);
1.12      schwarze  107: static int       pre_sm(DECL_ARGS);
1.3       schwarze  108: static int       pre_sp(DECL_ARGS);
1.5       kristaps  109: static int       pre_sect(DECL_ARGS);
1.26      schwarze  110: static int       pre_sy(DECL_ARGS);
1.23      schwarze  111: static void      pre_syn(const struct mdoc_node *);
1.18      schwarze  112: static int       pre_vt(DECL_ARGS);
1.8       schwarze  113: static int       pre_ux(DECL_ARGS);
1.1       schwarze  114: static int       pre_xr(DECL_ARGS);
1.20      schwarze  115: static void      print_word(const char *);
1.36      schwarze  116: static void      print_line(const char *, int);
                    117: static void      print_block(const char *, int);
1.71      schwarze  118: static void      print_offs(const char *, int);
1.81      schwarze  119: static void      print_width(const struct mdoc_bl *,
                    120:                        const struct mdoc_node *);
1.30      schwarze  121: static void      print_count(int *);
1.5       kristaps  122: static void      print_node(DECL_ARGS);
1.1       schwarze  123:
1.3       schwarze  124: static const struct manact manacts[MDOC_MAX + 1] = {
                    125:        { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
                    126:        { NULL, NULL, NULL, NULL, NULL }, /* Dd */
                    127:        { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8       schwarze  128:        { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3       schwarze  129:        { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
                    130:        { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1       schwarze  131:        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3       schwarze  132:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1       schwarze  133:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3       schwarze  134:        { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
                    135:        { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.30      schwarze  136:        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3       schwarze  137:        { NULL, NULL, NULL, NULL, NULL }, /* El */
1.30      schwarze  138:        { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.26      schwarze  139:        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.22      schwarze  140:        { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.26      schwarze  141:        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
                    142:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
                    143:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
                    144:        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
                    145:        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
                    146:        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.67      schwarze  147:        { NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
1.17      schwarze  148:        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.29      schwarze  149:        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.26      schwarze  150:        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.16      schwarze  151:        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.26      schwarze  152:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
                    153:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.15      schwarze  154:        { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.26      schwarze  155:        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1       schwarze  156:        { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
                    157:        { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
                    158:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.64      schwarze  159:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ot */
1.26      schwarze  160:        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.67      schwarze  161:        { NULL, pre_rv, NULL, NULL, NULL }, /* Rv */
1.8       schwarze  162:        { NULL, NULL, NULL, NULL, NULL }, /* St */
1.26      schwarze  163:        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.18      schwarze  164:        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8       schwarze  165:        { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.34      schwarze  166:        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
                    167:        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
                    168:        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
                    169:        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
                    170:        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
                    171:        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
                    172:        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
                    173:        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
                    174:        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
                    175:        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
                    176:        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.9       schwarze  177:        { NULL, NULL, NULL, NULL, NULL }, /* Ac */
1.74      schwarze  178:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */
                    179:        { cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
1.8       schwarze  180:        { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3       schwarze  181:        { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.27      schwarze  182:        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3       schwarze  183:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
                    184:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.8       schwarze  185:        { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
                    186:        { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
1.75      schwarze  187:        { NULL, pre_skip, NULL, NULL, NULL }, /* Db */
1.9       schwarze  188:        { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.51      schwarze  189:        { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
                    190:        { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
1.28      schwarze  191:        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
                    192:        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.26      schwarze  193:        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.76      schwarze  194:        { cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
1.8       schwarze  195:        { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.26      schwarze  196:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.25      schwarze  197:        { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1       schwarze  198:        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.8       schwarze  199:        { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
                    200:        { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3       schwarze  201:        { NULL, NULL, NULL, NULL, NULL }, /* Pc */
                    202:        { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
                    203:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
                    204:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9       schwarze  205:        { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.51      schwarze  206:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.9       schwarze  207:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
                    208:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
                    209:        { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.34      schwarze  210:        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.9       schwarze  211:        { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.51      schwarze  212:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
                    213:        { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.12      schwarze  214:        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.26      schwarze  215:        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
                    216:        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
                    217:        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.8       schwarze  218:        { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.34      schwarze  219:        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
                    220:        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.17      schwarze  221:        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
                    222:        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3       schwarze  223:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9       schwarze  224:        { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13      schwarze  225:        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
                    226:        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.8       schwarze  227:        { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
                    228:        { NULL, NULL, NULL, NULL, NULL }, /* Hf */
1.64      schwarze  229:        { NULL, pre_em, post_font, NULL, NULL }, /* Fr */
1.8       schwarze  230:        { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.14      schwarze  231:        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3       schwarze  232:        { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.24      schwarze  233:        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.26      schwarze  234:        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.9       schwarze  235:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
                    236:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
                    237:        { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.34      schwarze  238:        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.75      schwarze  239:        { NULL, pre_skip, NULL, NULL, NULL }, /* Es */
1.64      schwarze  240:        { cond_body, pre_en, post_en, NULL, NULL }, /* En */
1.8       schwarze  241:        { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.34      schwarze  242:        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3       schwarze  243:        { NULL, pre_br, NULL, NULL, NULL }, /* br */
                    244:        { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.34      schwarze  245:        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
                    246:        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.60      schwarze  247:        { NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
1.3       schwarze  248:        { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1       schwarze  249: };
                    250:
1.20      schwarze  251: static int             outflags;
1.36      schwarze  252: #define        MMAN_spc        (1 << 0)  /* blank character before next word */
                    253: #define        MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
                    254: #define        MMAN_nl         (1 << 2)  /* break man(7) code line */
                    255: #define        MMAN_br         (1 << 3)  /* break output line */
                    256: #define        MMAN_sp         (1 << 4)  /* insert a blank output line */
                    257: #define        MMAN_PP         (1 << 5)  /* reset indentation etc. */
                    258: #define        MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
                    259: #define        MMAN_Bk         (1 << 7)  /* word keep mode */
1.46      schwarze  260: #define        MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
                    261: #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
                    262: #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
                    263: #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
1.56      schwarze  264: #define        MMAN_nbrword    (1 << 12) /* do not break the next word */
1.20      schwarze  265:
1.43      schwarze  266: #define        BL_STACK_MAX    32
                    267:
1.81      schwarze  268: static int             Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
1.43      schwarze  269: static int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
                    270: static int             Bl_stack_len;  /* number of nested Bl blocks */
1.37      schwarze  271: static int             TPremain;  /* characters before tag is full */
                    272:
1.26      schwarze  273: static struct {
                    274:        char    *head;
                    275:        char    *tail;
                    276:        size_t   size;
                    277: }      fontqueue;
                    278:
1.62      schwarze  279:
1.26      schwarze  280: static void
                    281: font_push(char newfont)
                    282: {
                    283:
                    284:        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
                    285:                fontqueue.size += 8;
                    286:                fontqueue.head = mandoc_realloc(fontqueue.head,
1.62      schwarze  287:                    fontqueue.size);
1.26      schwarze  288:        }
                    289:        *fontqueue.tail = newfont;
1.37      schwarze  290:        print_word("");
                    291:        printf("\\f");
1.26      schwarze  292:        putchar(newfont);
                    293:        outflags &= ~MMAN_spc;
                    294: }
                    295:
                    296: static void
                    297: font_pop(void)
                    298: {
                    299:
                    300:        if (fontqueue.tail > fontqueue.head)
                    301:                fontqueue.tail--;
                    302:        outflags &= ~MMAN_spc;
1.37      schwarze  303:        print_word("");
                    304:        printf("\\f");
1.26      schwarze  305:        putchar(*fontqueue.tail);
                    306: }
                    307:
1.1       schwarze  308: static void
1.20      schwarze  309: print_word(const char *s)
1.1       schwarze  310: {
1.5       kristaps  311:
1.36      schwarze  312:        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.62      schwarze  313:                /*
1.5       kristaps  314:                 * If we need a newline, print it now and start afresh.
                    315:                 */
1.36      schwarze  316:                if (MMAN_PP & outflags) {
1.44      schwarze  317:                        if (MMAN_sp & outflags) {
                    318:                                if (MMAN_PD & outflags) {
                    319:                                        printf("\n.PD");
                    320:                                        outflags &= ~MMAN_PD;
                    321:                                }
                    322:                        } else if ( ! (MMAN_PD & outflags)) {
                    323:                                printf("\n.PD 0");
                    324:                                outflags |= MMAN_PD;
                    325:                        }
1.36      schwarze  326:                        printf("\n.PP\n");
                    327:                } else if (MMAN_sp & outflags)
1.21      schwarze  328:                        printf("\n.sp\n");
                    329:                else if (MMAN_br & outflags)
                    330:                        printf("\n.br\n");
                    331:                else if (MMAN_nl & outflags)
                    332:                        putchar('\n');
1.36      schwarze  333:                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.37      schwarze  334:                if (1 == TPremain)
                    335:                        printf(".br\n");
                    336:                TPremain = 0;
                    337:        } else if (MMAN_spc & outflags) {
1.5       kristaps  338:                /*
1.25      schwarze  339:                 * If we need a space, only print it if
                    340:                 * (1) it is forced by `No' or
                    341:                 * (2) what follows is not terminating punctuation or
                    342:                 * (3) what follows is longer than one character.
1.5       kristaps  343:                 */
1.37      schwarze  344:                if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.25      schwarze  345:                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.46      schwarze  346:                        if (MMAN_Bk & outflags &&
                    347:                            ! (MMAN_Bk_susp & outflags))
1.13      schwarze  348:                                putchar('\\');
1.45      schwarze  349:                        putchar(' ');
1.37      schwarze  350:                        if (TPremain)
                    351:                                TPremain--;
1.13      schwarze  352:                }
1.37      schwarze  353:        }
1.5       kristaps  354:
                    355:        /*
                    356:         * Reassign needing space if we're not following opening
                    357:         * punctuation.
                    358:         */
1.37      schwarze  359:        if (MMAN_Sm & outflags && ('\0' == s[0] ||
                    360:            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.20      schwarze  361:                outflags |= MMAN_spc;
                    362:        else
                    363:                outflags &= ~MMAN_spc;
1.46      schwarze  364:        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.5       kristaps  365:
1.1       schwarze  366:        for ( ; *s; s++) {
                    367:                switch (*s) {
1.62      schwarze  368:                case ASCII_NBRSP:
1.45      schwarze  369:                        printf("\\ ");
1.1       schwarze  370:                        break;
1.62      schwarze  371:                case ASCII_HYPH:
1.1       schwarze  372:                        putchar('-');
1.58      schwarze  373:                        break;
1.62      schwarze  374:                case ASCII_BREAK:
1.58      schwarze  375:                        printf("\\:");
1.1       schwarze  376:                        break;
1.62      schwarze  377:                case ' ':
1.56      schwarze  378:                        if (MMAN_nbrword & outflags) {
                    379:                                printf("\\ ");
                    380:                                break;
                    381:                        }
                    382:                        /* FALLTHROUGH */
1.1       schwarze  383:                default:
1.5       kristaps  384:                        putchar((unsigned char)*s);
1.1       schwarze  385:                        break;
                    386:                }
1.37      schwarze  387:                if (TPremain)
                    388:                        TPremain--;
1.1       schwarze  389:        }
1.56      schwarze  390:        outflags &= ~MMAN_nbrword;
1.4       kristaps  391: }
                    392:
1.11      schwarze  393: static void
1.36      schwarze  394: print_line(const char *s, int newflags)
                    395: {
                    396:
                    397:        outflags &= ~MMAN_br;
                    398:        outflags |= MMAN_nl;
                    399:        print_word(s);
                    400:        outflags |= newflags;
                    401: }
                    402:
                    403: static void
                    404: print_block(const char *s, int newflags)
                    405: {
                    406:
                    407:        outflags &= ~MMAN_PP;
1.44      schwarze  408:        if (MMAN_sp & outflags) {
1.36      schwarze  409:                outflags &= ~(MMAN_sp | MMAN_br);
1.44      schwarze  410:                if (MMAN_PD & outflags) {
                    411:                        print_line(".PD", 0);
                    412:                        outflags &= ~MMAN_PD;
                    413:                }
1.46      schwarze  414:        } else if (! (MMAN_PD & outflags))
                    415:                print_line(".PD 0", MMAN_PD);
1.36      schwarze  416:        outflags |= MMAN_nl;
                    417:        print_word(s);
1.46      schwarze  418:        outflags |= MMAN_Bk_susp | newflags;
1.36      schwarze  419: }
                    420:
                    421: static void
1.71      schwarze  422: print_offs(const char *v, int keywords)
1.11      schwarze  423: {
                    424:        char              buf[24];
                    425:        struct roffsu     su;
1.81      schwarze  426:        int               sz;
1.11      schwarze  427:
1.48      schwarze  428:        print_line(".RS", MMAN_Bk_susp);
                    429:
1.43      schwarze  430:        /* Convert v into a number (of characters). */
1.71      schwarze  431:        if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
1.11      schwarze  432:                sz = 0;
1.71      schwarze  433:        else if (keywords && !strcmp(v, "indent"))
1.11      schwarze  434:                sz = 6;
1.71      schwarze  435:        else if (keywords && !strcmp(v, "indent-two"))
1.11      schwarze  436:                sz = 12;
1.79      schwarze  437:        else if (a2roffsu(v, &su, SCALE_EN) > 1) {
1.43      schwarze  438:                if (SCALE_EN == su.unit)
                    439:                        sz = su.scale;
                    440:                else {
                    441:                        /*
                    442:                         * XXX
                    443:                         * If we are inside an enclosing list,
                    444:                         * there is no easy way to add the two
                    445:                         * indentations because they are provided
                    446:                         * in terms of different units.
                    447:                         */
                    448:                        print_word(v);
1.48      schwarze  449:                        outflags |= MMAN_nl;
1.43      schwarze  450:                        return;
                    451:                }
1.11      schwarze  452:        } else
                    453:                sz = strlen(v);
                    454:
1.43      schwarze  455:        /*
                    456:         * We are inside an enclosing list.
                    457:         * Add the two indentations.
                    458:         */
                    459:        if (Bl_stack_len)
                    460:                sz += Bl_stack[Bl_stack_len - 1];
                    461:
1.81      schwarze  462:        (void)snprintf(buf, sizeof(buf), "%dn", sz);
1.20      schwarze  463:        print_word(buf);
1.48      schwarze  464:        outflags |= MMAN_nl;
1.11      schwarze  465: }
                    466:
1.47      schwarze  467: /*
                    468:  * Set up the indentation for a list item; used from pre_it().
                    469:  */
1.59      schwarze  470: static void
1.81      schwarze  471: print_width(const struct mdoc_bl *bl, const struct mdoc_node *child)
1.30      schwarze  472: {
                    473:        char              buf[24];
                    474:        struct roffsu     su;
1.81      schwarze  475:        int               numeric, remain, sz, chsz;
1.31      schwarze  476:
1.37      schwarze  477:        numeric = 1;
                    478:        remain = 0;
1.43      schwarze  479:
1.81      schwarze  480:        /* Convert the width into a number (of characters). */
                    481:        if (bl->width == NULL)
                    482:                sz = (bl->type == LIST_hang) ? 6 : 0;
                    483:        else if (a2roffsu(bl->width, &su, SCALE_MAX) > 1) {
1.30      schwarze  484:                if (SCALE_EN == su.unit)
                    485:                        sz = su.scale;
                    486:                else {
1.37      schwarze  487:                        sz = 0;
                    488:                        numeric = 0;
1.30      schwarze  489:                }
                    490:        } else
1.81      schwarze  491:                sz = strlen(bl->width);
1.30      schwarze  492:
1.37      schwarze  493:        /* XXX Rough estimation, might have multiple parts. */
1.81      schwarze  494:        if (bl->type == LIST_enum)
                    495:                chsz = (bl->count > 8) + 1;
                    496:        else if (child != NULL && child->type == MDOC_TEXT)
                    497:                chsz = strlen(child->string);
                    498:        else
                    499:                chsz = 0;
1.37      schwarze  500:
1.47      schwarze  501:        /* Maybe we are inside an enclosing list? */
                    502:        mid_it();
1.43      schwarze  503:
                    504:        /*
                    505:         * Save our own indentation,
                    506:         * such that child lists can use it.
                    507:         */
                    508:        Bl_stack[Bl_stack_len++] = sz + 2;
                    509:
                    510:        /* Set up the current list. */
1.81      schwarze  511:        if (chsz > sz && bl->type != LIST_tag)
1.36      schwarze  512:                print_block(".HP", 0);
1.37      schwarze  513:        else {
1.36      schwarze  514:                print_block(".TP", 0);
1.37      schwarze  515:                remain = sz + 2;
                    516:        }
                    517:        if (numeric) {
1.81      schwarze  518:                (void)snprintf(buf, sizeof(buf), "%dn", sz + 2);
1.37      schwarze  519:                print_word(buf);
                    520:        } else
1.81      schwarze  521:                print_word(bl->width);
1.37      schwarze  522:        TPremain = remain;
1.30      schwarze  523: }
                    524:
1.59      schwarze  525: static void
1.30      schwarze  526: print_count(int *count)
                    527: {
1.63      schwarze  528:        char              buf[24];
1.30      schwarze  529:
1.81      schwarze  530:        (void)snprintf(buf, sizeof(buf), "%d.\\&", ++*count);
1.30      schwarze  531:        print_word(buf);
                    532: }
                    533:
                    534: void
1.4       kristaps  535: man_man(void *arg, const struct man *man)
                    536: {
                    537:
1.5       kristaps  538:        /*
                    539:         * Dump the keep buffer.
                    540:         * We're guaranteed by now that this exists (is non-NULL).
                    541:         * Flush stdout afterward, just in case.
                    542:         */
1.4       kristaps  543:        fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5       kristaps  544:        fflush(stdout);
1.1       schwarze  545: }
                    546:
                    547: void
                    548: man_mdoc(void *arg, const struct mdoc *mdoc)
                    549: {
1.42      schwarze  550:        const struct mdoc_meta *meta;
1.1       schwarze  551:        const struct mdoc_node *n;
                    552:
1.42      schwarze  553:        meta = mdoc_meta(mdoc);
1.1       schwarze  554:        n = mdoc_node(mdoc);
                    555:
1.45      schwarze  556:        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.68      schwarze  557:            meta->title,
                    558:            (meta->msec == NULL ? "" : meta->msec),
                    559:            meta->date, meta->os, meta->vol);
1.1       schwarze  560:
1.45      schwarze  561:        /* Disable hyphenation and if nroff, disable justification. */
                    562:        printf(".nh\n.if n .ad l");
                    563:
1.20      schwarze  564:        outflags = MMAN_nl | MMAN_Sm;
1.26      schwarze  565:        if (0 == fontqueue.size) {
                    566:                fontqueue.size = 8;
                    567:                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
                    568:                *fontqueue.tail = 'R';
                    569:        }
1.42      schwarze  570:        print_node(meta, n);
1.3       schwarze  571:        putchar('\n');
1.1       schwarze  572: }
                    573:
                    574: static void
                    575: print_node(DECL_ARGS)
                    576: {
1.52      schwarze  577:        const struct mdoc_node  *sub;
1.5       kristaps  578:        const struct manact     *act;
1.1       schwarze  579:        int                      cond, do_sub;
1.46      schwarze  580:
1.5       kristaps  581:        /*
                    582:         * Break the line if we were parsed subsequent the current node.
                    583:         * This makes the page structure be more consistent.
                    584:         */
1.52      schwarze  585:        if (MMAN_spc & outflags && MDOC_LINE & n->flags)
1.20      schwarze  586:                outflags |= MMAN_nl;
1.1       schwarze  587:
1.5       kristaps  588:        act = NULL;
1.1       schwarze  589:        cond = 0;
                    590:        do_sub = 1;
1.5       kristaps  591:
1.1       schwarze  592:        if (MDOC_TEXT == n->type) {
1.5       kristaps  593:                /*
                    594:                 * Make sure that we don't happen to start with a
                    595:                 * control character at the start of a line.
                    596:                 */
1.62      schwarze  597:                if (MMAN_nl & outflags &&
                    598:                    ('.' == *n->string || '\'' == *n->string)) {
1.37      schwarze  599:                        print_word("");
                    600:                        printf("\\&");
1.20      schwarze  601:                        outflags &= ~MMAN_spc;
1.3       schwarze  602:                }
1.73      schwarze  603:                if (outflags & MMAN_Sm && ! (n->flags & MDOC_DELIMC))
                    604:                        outflags |= MMAN_spc_force;
1.20      schwarze  605:                print_word(n->string);
1.73      schwarze  606:                if (outflags & MMAN_Sm && ! (n->flags & MDOC_DELIMO))
                    607:                        outflags |= MMAN_spc;
1.1       schwarze  608:        } else {
1.5       kristaps  609:                /*
                    610:                 * Conditionally run the pre-node action handler for a
                    611:                 * node.
                    612:                 */
1.1       schwarze  613:                act = manacts + n->tok;
1.76      schwarze  614:                cond = act->cond == NULL || (*act->cond)(meta, n);
                    615:                if (cond && act->pre && (n->end == ENDBODY_NOT || n->nchild))
1.42      schwarze  616:                        do_sub = (*act->pre)(meta, n);
1.1       schwarze  617:        }
                    618:
1.62      schwarze  619:        /*
1.5       kristaps  620:         * Conditionally run all child nodes.
                    621:         * Note that this iterates over children instead of using
                    622:         * recursion.  This prevents unnecessary depth in the stack.
                    623:         */
1.1       schwarze  624:        if (do_sub)
                    625:                for (sub = n->child; sub; sub = sub->next)
1.42      schwarze  626:                        print_node(meta, sub);
1.1       schwarze  627:
1.5       kristaps  628:        /*
                    629:         * Lastly, conditionally run the post-node handler.
                    630:         */
1.61      schwarze  631:        if (MDOC_ENDED & n->flags)
                    632:                return;
                    633:
1.1       schwarze  634:        if (cond && act->post)
1.42      schwarze  635:                (*act->post)(meta, n);
1.61      schwarze  636:
                    637:        if (ENDBODY_NOT != n->end)
                    638:                n->pending->flags |= MDOC_ENDED;
                    639:
                    640:        if (ENDBODY_NOSPACE == n->end)
                    641:                outflags &= ~(MMAN_spc | MMAN_nl);
1.1       schwarze  642: }
                    643:
                    644: static int
                    645: cond_head(DECL_ARGS)
                    646: {
1.5       kristaps  647:
1.1       schwarze  648:        return(MDOC_HEAD == n->type);
                    649: }
                    650:
                    651: static int
                    652: cond_body(DECL_ARGS)
                    653: {
1.5       kristaps  654:
1.1       schwarze  655:        return(MDOC_BODY == n->type);
                    656: }
                    657:
                    658: static int
                    659: pre_enc(DECL_ARGS)
                    660: {
1.5       kristaps  661:        const char      *prefix;
1.1       schwarze  662:
                    663:        prefix = manacts[n->tok].prefix;
                    664:        if (NULL == prefix)
                    665:                return(1);
1.20      schwarze  666:        print_word(prefix);
                    667:        outflags &= ~MMAN_spc;
1.1       schwarze  668:        return(1);
                    669: }
                    670:
                    671: static void
                    672: post_enc(DECL_ARGS)
                    673: {
                    674:        const char *suffix;
                    675:
                    676:        suffix = manacts[n->tok].suffix;
                    677:        if (NULL == suffix)
                    678:                return;
1.61      schwarze  679:        outflags &= ~(MMAN_spc | MMAN_nl);
1.20      schwarze  680:        print_word(suffix);
1.26      schwarze  681: }
                    682:
1.67      schwarze  683: static int
                    684: pre_ex(DECL_ARGS)
                    685: {
                    686:        int      nchild;
                    687:
                    688:        outflags |= MMAN_br | MMAN_nl;
                    689:
                    690:        print_word("The");
                    691:
                    692:        nchild = n->nchild;
                    693:        for (n = n->child; n; n = n->next) {
                    694:                font_push('B');
                    695:                print_word(n->string);
                    696:                font_pop();
                    697:
                    698:                if (n->next == NULL)
                    699:                        continue;
                    700:
                    701:                if (nchild > 2) {
                    702:                        outflags &= ~MMAN_spc;
                    703:                        print_word(",");
                    704:                }
                    705:                if (n->next->next == NULL)
                    706:                        print_word("and");
                    707:        }
                    708:
                    709:        if (nchild > 1)
                    710:                print_word("utilities exit\\~0");
                    711:        else
                    712:                print_word("utility exits\\~0");
                    713:
                    714:        print_word("on success, and\\~>0 if an error occurs.");
                    715:        outflags |= MMAN_nl;
                    716:        return(0);
                    717: }
                    718:
1.26      schwarze  719: static void
                    720: post_font(DECL_ARGS)
                    721: {
                    722:
                    723:        font_pop();
1.1       schwarze  724: }
                    725:
                    726: static void
                    727: post_percent(DECL_ARGS)
                    728: {
                    729:
1.34      schwarze  730:        if (pre_em == manacts[n->tok].pre)
                    731:                font_pop();
                    732:        if (n->next) {
1.20      schwarze  733:                print_word(",");
1.34      schwarze  734:                if (n->prev &&  n->prev->tok == n->tok &&
                    735:                                n->next->tok == n->tok)
                    736:                        print_word("and");
                    737:        } else {
1.20      schwarze  738:                print_word(".");
                    739:                outflags |= MMAN_nl;
1.1       schwarze  740:        }
                    741: }
                    742:
1.34      schwarze  743: static int
                    744: pre__t(DECL_ARGS)
                    745: {
                    746:
1.62      schwarze  747:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    748:            n->parent->norm->Rs.quote_T) {
1.37      schwarze  749:                print_word("");
                    750:                putchar('\"');
1.34      schwarze  751:                outflags &= ~MMAN_spc;
                    752:        } else
                    753:                font_push('I');
                    754:        return(1);
                    755: }
                    756:
                    757: static void
                    758: post__t(DECL_ARGS)
                    759: {
                    760:
1.62      schwarze  761:        if (n->parent && MDOC_Rs == n->parent->tok &&
                    762:            n->parent->norm->Rs.quote_T) {
1.34      schwarze  763:                outflags &= ~MMAN_spc;
1.37      schwarze  764:                print_word("");
                    765:                putchar('\"');
1.34      schwarze  766:        } else
                    767:                font_pop();
1.42      schwarze  768:        post_percent(meta, n);
1.34      schwarze  769: }
                    770:
1.5       kristaps  771: /*
                    772:  * Print before a section header.
                    773:  */
1.1       schwarze  774: static int
1.3       schwarze  775: pre_sect(DECL_ARGS)
                    776: {
                    777:
1.54      schwarze  778:        if (MDOC_HEAD == n->type) {
1.46      schwarze  779:                outflags |= MMAN_sp;
                    780:                print_block(manacts[n->tok].prefix, 0);
                    781:                print_word("");
                    782:                putchar('\"');
                    783:                outflags &= ~MMAN_spc;
                    784:        }
1.3       schwarze  785:        return(1);
                    786: }
                    787:
1.5       kristaps  788: /*
                    789:  * Print subsequent a section header.
                    790:  */
1.3       schwarze  791: static void
                    792: post_sect(DECL_ARGS)
                    793: {
                    794:
                    795:        if (MDOC_HEAD != n->type)
                    796:                return;
1.20      schwarze  797:        outflags &= ~MMAN_spc;
1.37      schwarze  798:        print_word("");
                    799:        putchar('\"');
1.20      schwarze  800:        outflags |= MMAN_nl;
1.22      schwarze  801:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    802:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    803: }
                    804:
1.23      schwarze  805: /* See mdoc_term.c, synopsis_pre() for comments. */
                    806: static void
                    807: pre_syn(const struct mdoc_node *n)
                    808: {
                    809:
                    810:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
                    811:                return;
                    812:
                    813:        if (n->prev->tok == n->tok &&
1.62      schwarze  814:            MDOC_Ft != n->tok &&
                    815:            MDOC_Fo != n->tok &&
                    816:            MDOC_Fn != n->tok) {
1.23      schwarze  817:                outflags |= MMAN_br;
                    818:                return;
                    819:        }
                    820:
                    821:        switch (n->prev->tok) {
1.62      schwarze  822:        case MDOC_Fd:
1.23      schwarze  823:                /* FALLTHROUGH */
1.62      schwarze  824:        case MDOC_Fn:
1.23      schwarze  825:                /* FALLTHROUGH */
1.62      schwarze  826:        case MDOC_Fo:
1.23      schwarze  827:                /* FALLTHROUGH */
1.62      schwarze  828:        case MDOC_In:
1.23      schwarze  829:                /* FALLTHROUGH */
1.62      schwarze  830:        case MDOC_Vt:
1.23      schwarze  831:                outflags |= MMAN_sp;
                    832:                break;
1.62      schwarze  833:        case MDOC_Ft:
1.23      schwarze  834:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    835:                        outflags |= MMAN_sp;
                    836:                        break;
                    837:                }
                    838:                /* FALLTHROUGH */
                    839:        default:
                    840:                outflags |= MMAN_br;
                    841:                break;
                    842:        }
                    843: }
                    844:
1.22      schwarze  845: static int
                    846: pre_an(DECL_ARGS)
                    847: {
                    848:
                    849:        switch (n->norm->An.auth) {
1.62      schwarze  850:        case AUTH_split:
1.22      schwarze  851:                outflags &= ~MMAN_An_nosplit;
                    852:                outflags |= MMAN_An_split;
                    853:                return(0);
1.62      schwarze  854:        case AUTH_nosplit:
1.22      schwarze  855:                outflags &= ~MMAN_An_split;
                    856:                outflags |= MMAN_An_nosplit;
                    857:                return(0);
                    858:        default:
                    859:                if (MMAN_An_split & outflags)
                    860:                        outflags |= MMAN_br;
                    861:                else if (SEC_AUTHORS == n->sec &&
                    862:                    ! (MMAN_An_nosplit & outflags))
                    863:                        outflags |= MMAN_An_split;
                    864:                return(1);
                    865:        }
1.3       schwarze  866: }
                    867:
                    868: static int
                    869: pre_ap(DECL_ARGS)
                    870: {
                    871:
1.20      schwarze  872:        outflags &= ~MMAN_spc;
                    873:        print_word("'");
                    874:        outflags &= ~MMAN_spc;
1.3       schwarze  875:        return(0);
1.74      schwarze  876: }
                    877:
                    878: static int
                    879: pre_aq(DECL_ARGS)
                    880: {
                    881:
1.82      schwarze  882:        print_word(n->nchild == 1 &&
                    883:            n->child->tok == MDOC_Mt ?  "<" : "\\(la");
1.74      schwarze  884:        outflags &= ~MMAN_spc;
                    885:        return(1);
                    886: }
                    887:
                    888: static void
                    889: post_aq(DECL_ARGS)
                    890: {
                    891:
                    892:        outflags &= ~(MMAN_spc | MMAN_nl);
1.82      schwarze  893:        print_word(n->nchild == 1 &&
                    894:            n->child->tok == MDOC_Mt ?  ">" : "\\(ra");
1.3       schwarze  895: }
                    896:
                    897: static int
                    898: pre_bd(DECL_ARGS)
                    899: {
                    900:
1.36      schwarze  901:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    902:
                    903:        if (DISP_unfilled == n->norm->Bd.type ||
                    904:            DISP_literal  == n->norm->Bd.type)
                    905:                print_line(".nf", 0);
                    906:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.21      schwarze  907:                outflags |= MMAN_sp;
1.71      schwarze  908:        print_offs(n->norm->Bd.offs, 1);
1.3       schwarze  909:        return(1);
                    910: }
                    911:
                    912: static void
                    913: post_bd(DECL_ARGS)
                    914: {
                    915:
1.43      schwarze  916:        /* Close out this display. */
1.36      schwarze  917:        print_line(".RE", MMAN_nl);
1.3       schwarze  918:        if (DISP_unfilled == n->norm->Bd.type ||
1.36      schwarze  919:            DISP_literal  == n->norm->Bd.type)
                    920:                print_line(".fi", MMAN_nl);
1.43      schwarze  921:
1.47      schwarze  922:        /* Maybe we are inside an enclosing list? */
                    923:        if (NULL != n->parent->next)
                    924:                mid_it();
1.13      schwarze  925: }
                    926:
                    927: static int
1.27      schwarze  928: pre_bf(DECL_ARGS)
                    929: {
                    930:
                    931:        switch (n->type) {
1.62      schwarze  932:        case MDOC_BLOCK:
1.27      schwarze  933:                return(1);
1.62      schwarze  934:        case MDOC_BODY:
1.27      schwarze  935:                break;
                    936:        default:
                    937:                return(0);
                    938:        }
                    939:        switch (n->norm->Bf.font) {
1.62      schwarze  940:        case FONT_Em:
1.27      schwarze  941:                font_push('I');
                    942:                break;
1.62      schwarze  943:        case FONT_Sy:
1.27      schwarze  944:                font_push('B');
                    945:                break;
                    946:        default:
                    947:                font_push('R');
                    948:                break;
                    949:        }
                    950:        return(1);
                    951: }
                    952:
                    953: static void
                    954: post_bf(DECL_ARGS)
                    955: {
                    956:
                    957:        if (MDOC_BODY == n->type)
                    958:                font_pop();
                    959: }
                    960:
                    961: static int
1.13      schwarze  962: pre_bk(DECL_ARGS)
                    963: {
                    964:
                    965:        switch (n->type) {
1.62      schwarze  966:        case MDOC_BLOCK:
1.13      schwarze  967:                return(1);
1.62      schwarze  968:        case MDOC_BODY:
1.20      schwarze  969:                outflags |= MMAN_Bk;
1.13      schwarze  970:                return(1);
                    971:        default:
                    972:                return(0);
                    973:        }
                    974: }
                    975:
                    976: static void
                    977: post_bk(DECL_ARGS)
                    978: {
                    979:
1.54      schwarze  980:        if (MDOC_BODY == n->type)
1.20      schwarze  981:                outflags &= ~MMAN_Bk;
1.3       schwarze  982: }
                    983:
                    984: static int
1.30      schwarze  985: pre_bl(DECL_ARGS)
                    986: {
1.33      schwarze  987:        size_t           icol;
1.30      schwarze  988:
1.49      schwarze  989:        /*
                    990:         * print_offs() will increase the -offset to account for
                    991:         * a possible enclosing .It, but any enclosed .It blocks
                    992:         * just nest and do not add up their indentation.
                    993:         */
                    994:        if (n->norm->Bl.offs) {
1.71      schwarze  995:                print_offs(n->norm->Bl.offs, 0);
1.49      schwarze  996:                Bl_stack[Bl_stack_len++] = 0;
                    997:        }
                    998:
1.33      schwarze  999:        switch (n->norm->Bl.type) {
1.62      schwarze 1000:        case LIST_enum:
1.30      schwarze 1001:                n->norm->Bl.count = 0;
1.33      schwarze 1002:                return(1);
1.62      schwarze 1003:        case LIST_column:
1.33      schwarze 1004:                break;
                   1005:        default:
                   1006:                return(1);
                   1007:        }
                   1008:
1.83      schwarze 1009:        if (n->nchild) {
                   1010:                print_line(".TS", MMAN_nl);
                   1011:                for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                   1012:                        print_word("l");
                   1013:                print_word(".");
                   1014:        }
1.36      schwarze 1015:        outflags |= MMAN_nl;
1.30      schwarze 1016:        return(1);
                   1017: }
                   1018:
                   1019: static void
                   1020: post_bl(DECL_ARGS)
                   1021: {
                   1022:
1.33      schwarze 1023:        switch (n->norm->Bl.type) {
1.62      schwarze 1024:        case LIST_column:
1.83      schwarze 1025:                if (n->nchild)
                   1026:                        print_line(".TE", 0);
1.36      schwarze 1027:                break;
1.62      schwarze 1028:        case LIST_enum:
1.33      schwarze 1029:                n->norm->Bl.count = 0;
                   1030:                break;
                   1031:        default:
                   1032:                break;
                   1033:        }
1.49      schwarze 1034:
                   1035:        if (n->norm->Bl.offs) {
                   1036:                print_line(".RE", MMAN_nl);
                   1037:                assert(Bl_stack_len);
                   1038:                Bl_stack_len--;
                   1039:                assert(0 == Bl_stack[Bl_stack_len]);
                   1040:        } else {
                   1041:                outflags |= MMAN_PP | MMAN_nl;
                   1042:                outflags &= ~(MMAN_sp | MMAN_br);
                   1043:        }
1.47      schwarze 1044:
                   1045:        /* Maybe we are inside an enclosing list? */
                   1046:        if (NULL != n->parent->next)
                   1047:                mid_it();
                   1048:
1.30      schwarze 1049: }
                   1050:
                   1051: static int
1.3       schwarze 1052: pre_br(DECL_ARGS)
                   1053: {
                   1054:
1.21      schwarze 1055:        outflags |= MMAN_br;
1.3       schwarze 1056:        return(0);
                   1057: }
                   1058:
                   1059: static int
1.8       schwarze 1060: pre_bx(DECL_ARGS)
                   1061: {
                   1062:
                   1063:        n = n->child;
                   1064:        if (n) {
1.20      schwarze 1065:                print_word(n->string);
                   1066:                outflags &= ~MMAN_spc;
1.8       schwarze 1067:                n = n->next;
                   1068:        }
1.20      schwarze 1069:        print_word("BSD");
1.8       schwarze 1070:        if (NULL == n)
                   1071:                return(0);
1.20      schwarze 1072:        outflags &= ~MMAN_spc;
                   1073:        print_word("-");
                   1074:        outflags &= ~MMAN_spc;
                   1075:        print_word(n->string);
1.8       schwarze 1076:        return(0);
                   1077: }
                   1078:
                   1079: static int
1.1       schwarze 1080: pre_dl(DECL_ARGS)
                   1081: {
                   1082:
1.71      schwarze 1083:        print_offs("6n", 0);
1.1       schwarze 1084:        return(1);
                   1085: }
                   1086:
                   1087: static void
                   1088: post_dl(DECL_ARGS)
                   1089: {
                   1090:
1.36      schwarze 1091:        print_line(".RE", MMAN_nl);
1.47      schwarze 1092:
                   1093:        /* Maybe we are inside an enclosing list? */
                   1094:        if (NULL != n->parent->next)
                   1095:                mid_it();
1.16      schwarze 1096: }
                   1097:
                   1098: static int
1.26      schwarze 1099: pre_em(DECL_ARGS)
                   1100: {
                   1101:
                   1102:        font_push('I');
                   1103:        return(1);
1.28      schwarze 1104: }
                   1105:
1.64      schwarze 1106: static int
                   1107: pre_en(DECL_ARGS)
                   1108: {
                   1109:
                   1110:        if (NULL == n->norm->Es ||
                   1111:            NULL == n->norm->Es->child)
                   1112:                return(1);
                   1113:
                   1114:        print_word(n->norm->Es->child->string);
                   1115:        outflags &= ~MMAN_spc;
                   1116:        return(1);
                   1117: }
                   1118:
                   1119: static void
                   1120: post_en(DECL_ARGS)
                   1121: {
                   1122:
                   1123:        if (NULL == n->norm->Es ||
                   1124:            NULL == n->norm->Es->child ||
                   1125:            NULL == n->norm->Es->child->next)
                   1126:                return;
                   1127:
                   1128:        outflags &= ~MMAN_spc;
                   1129:        print_word(n->norm->Es->child->next->string);
                   1130:        return;
                   1131: }
                   1132:
1.76      schwarze 1133: static int
                   1134: pre_eo(DECL_ARGS)
                   1135: {
                   1136:
1.84    ! schwarze 1137:        if (n->end == ENDBODY_NOT &&
        !          1138:            n->parent->head->child == NULL &&
        !          1139:            n->child != NULL &&
        !          1140:            n->child->end != ENDBODY_NOT)
        !          1141:                print_word("\\&");
        !          1142:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
        !          1143:            n->parent->head->child != NULL &&
        !          1144:            (n->parent->body->child != NULL ||
        !          1145:             n->parent->tail->child != NULL))
        !          1146:                outflags &= ~(MMAN_spc | MMAN_nl);
1.76      schwarze 1147:        return(1);
                   1148: }
                   1149:
1.28      schwarze 1150: static void
                   1151: post_eo(DECL_ARGS)
                   1152: {
1.84    ! schwarze 1153:        int      body, tail;
        !          1154:
        !          1155:        if (n->end != ENDBODY_NOT) {
        !          1156:                outflags |= MMAN_spc;
        !          1157:                return;
        !          1158:        }
1.28      schwarze 1159:
1.84    ! schwarze 1160:        body = n->child != NULL || n->parent->head->child != NULL;
        !          1161:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
        !          1162:
        !          1163:        if (body && tail)
1.28      schwarze 1164:                outflags &= ~MMAN_spc;
1.84    ! schwarze 1165:        else if ( ! (body || tail))
        !          1166:                print_word("\\&");
        !          1167:        else if ( ! tail)
        !          1168:                outflags |= MMAN_spc;
1.64      schwarze 1169: }
                   1170:
                   1171: static int
1.17      schwarze 1172: pre_fa(DECL_ARGS)
                   1173: {
1.57      schwarze 1174:        int      am_Fa;
1.17      schwarze 1175:
1.57      schwarze 1176:        am_Fa = MDOC_Fa == n->tok;
                   1177:
                   1178:        if (am_Fa)
1.17      schwarze 1179:                n = n->child;
                   1180:
                   1181:        while (NULL != n) {
1.26      schwarze 1182:                font_push('I');
1.57      schwarze 1183:                if (am_Fa || MDOC_SYNPRETTY & n->flags)
1.56      schwarze 1184:                        outflags |= MMAN_nbrword;
1.42      schwarze 1185:                print_node(meta, n);
1.26      schwarze 1186:                font_pop();
1.17      schwarze 1187:                if (NULL != (n = n->next))
1.20      schwarze 1188:                        print_word(",");
1.17      schwarze 1189:        }
                   1190:        return(0);
                   1191: }
                   1192:
                   1193: static void
                   1194: post_fa(DECL_ARGS)
                   1195: {
                   1196:
                   1197:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20      schwarze 1198:                print_word(",");
1.29      schwarze 1199: }
                   1200:
                   1201: static int
                   1202: pre_fd(DECL_ARGS)
                   1203: {
                   1204:
                   1205:        pre_syn(n);
                   1206:        font_push('B');
                   1207:        return(1);
                   1208: }
                   1209:
                   1210: static void
                   1211: post_fd(DECL_ARGS)
                   1212: {
                   1213:
                   1214:        font_pop();
                   1215:        outflags |= MMAN_br;
1.17      schwarze 1216: }
                   1217:
                   1218: static int
1.26      schwarze 1219: pre_fl(DECL_ARGS)
                   1220: {
                   1221:
                   1222:        font_push('B');
1.45      schwarze 1223:        print_word("\\-");
1.70      schwarze 1224:        if (n->nchild)
                   1225:                outflags &= ~MMAN_spc;
1.26      schwarze 1226:        return(1);
                   1227: }
                   1228:
                   1229: static void
                   1230: post_fl(DECL_ARGS)
                   1231: {
                   1232:
                   1233:        font_pop();
1.70      schwarze 1234:        if ( ! (n->nchild ||
                   1235:            n->next == NULL ||
                   1236:            n->next->type == MDOC_TEXT ||
                   1237:            n->next->flags & MDOC_LINE))
1.26      schwarze 1238:                outflags &= ~MMAN_spc;
                   1239: }
                   1240:
                   1241: static int
1.16      schwarze 1242: pre_fn(DECL_ARGS)
                   1243: {
                   1244:
1.23      schwarze 1245:        pre_syn(n);
                   1246:
1.16      schwarze 1247:        n = n->child;
                   1248:        if (NULL == n)
                   1249:                return(0);
                   1250:
1.55      schwarze 1251:        if (MDOC_SYNPRETTY & n->flags)
                   1252:                print_block(".HP 4n", MMAN_nl);
                   1253:
1.26      schwarze 1254:        font_push('B');
1.42      schwarze 1255:        print_node(meta, n);
1.26      schwarze 1256:        font_pop();
1.20      schwarze 1257:        outflags &= ~MMAN_spc;
1.26      schwarze 1258:        print_word("(");
1.20      schwarze 1259:        outflags &= ~MMAN_spc;
1.35      schwarze 1260:
                   1261:        n = n->next;
                   1262:        if (NULL != n)
1.42      schwarze 1263:                pre_fa(meta, n);
1.35      schwarze 1264:        return(0);
1.16      schwarze 1265: }
                   1266:
                   1267: static void
                   1268: post_fn(DECL_ARGS)
                   1269: {
                   1270:
1.20      schwarze 1271:        print_word(")");
1.16      schwarze 1272:        if (MDOC_SYNPRETTY & n->flags) {
1.20      schwarze 1273:                print_word(";");
1.55      schwarze 1274:                outflags |= MMAN_PP;
1.17      schwarze 1275:        }
                   1276: }
                   1277:
                   1278: static int
                   1279: pre_fo(DECL_ARGS)
                   1280: {
                   1281:
                   1282:        switch (n->type) {
1.62      schwarze 1283:        case MDOC_BLOCK:
1.23      schwarze 1284:                pre_syn(n);
                   1285:                break;
1.62      schwarze 1286:        case MDOC_HEAD:
1.57      schwarze 1287:                if (MDOC_SYNPRETTY & n->flags)
                   1288:                        print_block(".HP 4n", MMAN_nl);
1.26      schwarze 1289:                font_push('B');
1.17      schwarze 1290:                break;
1.62      schwarze 1291:        case MDOC_BODY:
1.20      schwarze 1292:                outflags &= ~MMAN_spc;
                   1293:                print_word("(");
                   1294:                outflags &= ~MMAN_spc;
1.17      schwarze 1295:                break;
                   1296:        default:
                   1297:                break;
                   1298:        }
                   1299:        return(1);
                   1300: }
1.57      schwarze 1301:
1.17      schwarze 1302: static void
                   1303: post_fo(DECL_ARGS)
                   1304: {
                   1305:
                   1306:        switch (n->type) {
1.62      schwarze 1307:        case MDOC_HEAD:
1.26      schwarze 1308:                font_pop();
1.17      schwarze 1309:                break;
1.62      schwarze 1310:        case MDOC_BODY:
1.42      schwarze 1311:                post_fn(meta, n);
1.17      schwarze 1312:                break;
                   1313:        default:
                   1314:                break;
1.16      schwarze 1315:        }
1.15      schwarze 1316: }
                   1317:
                   1318: static int
1.23      schwarze 1319: pre_ft(DECL_ARGS)
                   1320: {
                   1321:
                   1322:        pre_syn(n);
1.26      schwarze 1323:        font_push('I');
1.23      schwarze 1324:        return(1);
                   1325: }
                   1326:
                   1327: static int
1.15      schwarze 1328: pre_in(DECL_ARGS)
                   1329: {
                   1330:
                   1331:        if (MDOC_SYNPRETTY & n->flags) {
1.23      schwarze 1332:                pre_syn(n);
1.26      schwarze 1333:                font_push('B');
                   1334:                print_word("#include <");
                   1335:                outflags &= ~MMAN_spc;
                   1336:        } else {
                   1337:                print_word("<");
                   1338:                outflags &= ~MMAN_spc;
                   1339:                font_push('I');
                   1340:        }
1.15      schwarze 1341:        return(1);
                   1342: }
                   1343:
                   1344: static void
                   1345: post_in(DECL_ARGS)
                   1346: {
                   1347:
                   1348:        if (MDOC_SYNPRETTY & n->flags) {
1.26      schwarze 1349:                outflags &= ~MMAN_spc;
                   1350:                print_word(">");
                   1351:                font_pop();
1.21      schwarze 1352:                outflags |= MMAN_br;
1.26      schwarze 1353:        } else {
                   1354:                font_pop();
                   1355:                outflags &= ~MMAN_spc;
                   1356:                print_word(">");
                   1357:        }
1.1       schwarze 1358: }
                   1359:
                   1360: static int
                   1361: pre_it(DECL_ARGS)
                   1362: {
                   1363:        const struct mdoc_node *bln;
                   1364:
1.30      schwarze 1365:        switch (n->type) {
1.62      schwarze 1366:        case MDOC_HEAD:
1.36      schwarze 1367:                outflags |= MMAN_PP | MMAN_nl;
1.30      schwarze 1368:                bln = n->parent->parent;
1.36      schwarze 1369:                if (0 == bln->norm->Bl.comp ||
1.39      schwarze 1370:                    (NULL == n->parent->prev &&
                   1371:                     NULL == bln->parent->prev))
1.36      schwarze 1372:                        outflags |= MMAN_sp;
                   1373:                outflags &= ~MMAN_br;
1.3       schwarze 1374:                switch (bln->norm->Bl.type) {
1.62      schwarze 1375:                case LIST_item:
1.30      schwarze 1376:                        return(0);
1.62      schwarze 1377:                case LIST_inset:
1.30      schwarze 1378:                        /* FALLTHROUGH */
1.62      schwarze 1379:                case LIST_diag:
1.30      schwarze 1380:                        /* FALLTHROUGH */
1.62      schwarze 1381:                case LIST_ohang:
1.30      schwarze 1382:                        if (bln->norm->Bl.type == LIST_diag)
1.36      schwarze 1383:                                print_line(".B \"", 0);
1.30      schwarze 1384:                        else
1.36      schwarze 1385:                                print_line(".R \"", 0);
1.30      schwarze 1386:                        outflags &= ~MMAN_spc;
                   1387:                        return(1);
1.62      schwarze 1388:                case LIST_bullet:
1.30      schwarze 1389:                        /* FALLTHROUGH */
1.62      schwarze 1390:                case LIST_dash:
1.30      schwarze 1391:                        /* FALLTHROUGH */
1.62      schwarze 1392:                case LIST_hyphen:
1.81      schwarze 1393:                        print_width(&bln->norm->Bl, NULL);
1.37      schwarze 1394:                        TPremain = 0;
1.30      schwarze 1395:                        outflags |= MMAN_nl;
                   1396:                        font_push('B');
                   1397:                        if (LIST_bullet == bln->norm->Bl.type)
1.72      schwarze 1398:                                print_word("\\(bu");
1.30      schwarze 1399:                        else
                   1400:                                print_word("-");
                   1401:                        font_pop();
1.66      schwarze 1402:                        outflags |= MMAN_nl;
                   1403:                        return(0);
1.62      schwarze 1404:                case LIST_enum:
1.81      schwarze 1405:                        print_width(&bln->norm->Bl, NULL);
1.37      schwarze 1406:                        TPremain = 0;
1.30      schwarze 1407:                        outflags |= MMAN_nl;
                   1408:                        print_count(&bln->norm->Bl.count);
1.66      schwarze 1409:                        outflags |= MMAN_nl;
                   1410:                        return(0);
1.62      schwarze 1411:                case LIST_hang:
1.81      schwarze 1412:                        print_width(&bln->norm->Bl, n->child);
1.37      schwarze 1413:                        TPremain = 0;
1.66      schwarze 1414:                        outflags |= MMAN_nl;
                   1415:                        return(1);
1.62      schwarze 1416:                case LIST_tag:
1.81      schwarze 1417:                        print_width(&bln->norm->Bl, n->child);
1.37      schwarze 1418:                        putchar('\n');
                   1419:                        outflags &= ~MMAN_spc;
                   1420:                        return(1);
1.3       schwarze 1421:                default:
1.32      schwarze 1422:                        return(1);
1.3       schwarze 1423:                }
1.30      schwarze 1424:        default:
                   1425:                break;
1.1       schwarze 1426:        }
                   1427:        return(1);
1.30      schwarze 1428: }
                   1429:
1.47      schwarze 1430: /*
                   1431:  * This function is called after closing out an indented block.
                   1432:  * If we are inside an enclosing list, restore its indentation.
                   1433:  */
                   1434: static void
                   1435: mid_it(void)
                   1436: {
                   1437:        char             buf[24];
                   1438:
                   1439:        /* Nothing to do outside a list. */
                   1440:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
                   1441:                return;
                   1442:
                   1443:        /* The indentation has already been set up. */
                   1444:        if (Bl_stack_post[Bl_stack_len - 1])
                   1445:                return;
                   1446:
                   1447:        /* Restore the indentation of the enclosing list. */
                   1448:        print_line(".RS", MMAN_Bk_susp);
1.81      schwarze 1449:        (void)snprintf(buf, sizeof(buf), "%dn",
1.63      schwarze 1450:            Bl_stack[Bl_stack_len - 1]);
1.47      schwarze 1451:        print_word(buf);
                   1452:
                   1453:        /* Remeber to close out this .RS block later. */
                   1454:        Bl_stack_post[Bl_stack_len - 1] = 1;
                   1455: }
                   1456:
1.30      schwarze 1457: static void
                   1458: post_it(DECL_ARGS)
                   1459: {
                   1460:        const struct mdoc_node *bln;
                   1461:
1.33      schwarze 1462:        bln = n->parent->parent;
                   1463:
                   1464:        switch (n->type) {
1.62      schwarze 1465:        case MDOC_HEAD:
1.30      schwarze 1466:                switch (bln->norm->Bl.type) {
1.62      schwarze 1467:                case LIST_diag:
1.30      schwarze 1468:                        outflags &= ~MMAN_spc;
                   1469:                        print_word("\\ ");
                   1470:                        break;
1.62      schwarze 1471:                case LIST_ohang:
1.30      schwarze 1472:                        outflags |= MMAN_br;
                   1473:                        break;
                   1474:                default:
                   1475:                        break;
                   1476:                }
1.33      schwarze 1477:                break;
1.62      schwarze 1478:        case MDOC_BODY:
1.43      schwarze 1479:                switch (bln->norm->Bl.type) {
1.62      schwarze 1480:                case LIST_bullet:
1.43      schwarze 1481:                        /* FALLTHROUGH */
1.62      schwarze 1482:                case LIST_dash:
1.43      schwarze 1483:                        /* FALLTHROUGH */
1.62      schwarze 1484:                case LIST_hyphen:
1.43      schwarze 1485:                        /* FALLTHROUGH */
1.62      schwarze 1486:                case LIST_enum:
1.43      schwarze 1487:                        /* FALLTHROUGH */
1.62      schwarze 1488:                case LIST_hang:
1.43      schwarze 1489:                        /* FALLTHROUGH */
1.62      schwarze 1490:                case LIST_tag:
1.43      schwarze 1491:                        assert(Bl_stack_len);
                   1492:                        Bl_stack[--Bl_stack_len] = 0;
                   1493:
                   1494:                        /*
                   1495:                         * Our indentation had to be restored
1.47      schwarze 1496:                         * after a child display or child list.
1.43      schwarze 1497:                         * Close out that indentation block now.
                   1498:                         */
                   1499:                        if (Bl_stack_post[Bl_stack_len]) {
                   1500:                                print_line(".RE", MMAN_nl);
                   1501:                                Bl_stack_post[Bl_stack_len] = 0;
                   1502:                        }
                   1503:                        break;
1.62      schwarze 1504:                case LIST_column:
1.43      schwarze 1505:                        if (NULL != n->next) {
                   1506:                                putchar('\t');
                   1507:                                outflags &= ~MMAN_spc;
                   1508:                        }
                   1509:                        break;
                   1510:                default:
                   1511:                        break;
1.33      schwarze 1512:                }
                   1513:                break;
                   1514:        default:
                   1515:                break;
1.30      schwarze 1516:        }
1.14      schwarze 1517: }
                   1518:
                   1519: static void
                   1520: post_lb(DECL_ARGS)
                   1521: {
                   1522:
1.21      schwarze 1523:        if (SEC_LIBRARY == n->sec)
                   1524:                outflags |= MMAN_br;
1.24      schwarze 1525: }
                   1526:
                   1527: static int
                   1528: pre_lk(DECL_ARGS)
                   1529: {
                   1530:        const struct mdoc_node *link, *descr;
                   1531:
                   1532:        if (NULL == (link = n->child))
                   1533:                return(0);
                   1534:
                   1535:        if (NULL != (descr = link->next)) {
1.26      schwarze 1536:                font_push('I');
1.24      schwarze 1537:                while (NULL != descr) {
                   1538:                        print_word(descr->string);
                   1539:                        descr = descr->next;
                   1540:                }
                   1541:                print_word(":");
1.26      schwarze 1542:                font_pop();
1.24      schwarze 1543:        }
                   1544:
1.26      schwarze 1545:        font_push('B');
1.24      schwarze 1546:        print_word(link->string);
1.26      schwarze 1547:        font_pop();
1.24      schwarze 1548:        return(0);
1.60      schwarze 1549: }
                   1550:
                   1551: static int
                   1552: pre_ll(DECL_ARGS)
                   1553: {
                   1554:
                   1555:        print_line(".ll", 0);
                   1556:        return(1);
1.1       schwarze 1557: }
                   1558:
                   1559: static int
1.26      schwarze 1560: pre_li(DECL_ARGS)
                   1561: {
                   1562:
                   1563:        font_push('R');
                   1564:        return(1);
                   1565: }
                   1566:
                   1567: static int
1.1       schwarze 1568: pre_nm(DECL_ARGS)
                   1569: {
1.38      schwarze 1570:        char    *name;
1.1       schwarze 1571:
1.54      schwarze 1572:        if (MDOC_BLOCK == n->type) {
                   1573:                outflags |= MMAN_Bk;
1.23      schwarze 1574:                pre_syn(n);
1.54      schwarze 1575:        }
1.1       schwarze 1576:        if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
                   1577:                return(1);
1.42      schwarze 1578:        name = n->child ? n->child->string : meta->name;
1.38      schwarze 1579:        if (NULL == name)
1.23      schwarze 1580:                return(0);
1.38      schwarze 1581:        if (MDOC_HEAD == n->type) {
                   1582:                if (NULL == n->parent->prev)
                   1583:                        outflags |= MMAN_sp;
                   1584:                print_block(".HP", 0);
1.53      schwarze 1585:                printf(" %zun", strlen(name) + 1);
1.38      schwarze 1586:                outflags |= MMAN_nl;
                   1587:        }
1.26      schwarze 1588:        font_push('B');
1.1       schwarze 1589:        if (NULL == n->child)
1.42      schwarze 1590:                print_word(meta->name);
1.1       schwarze 1591:        return(1);
                   1592: }
                   1593:
                   1594: static void
                   1595: post_nm(DECL_ARGS)
                   1596: {
                   1597:
1.54      schwarze 1598:        switch (n->type) {
1.62      schwarze 1599:        case MDOC_BLOCK:
1.54      schwarze 1600:                outflags &= ~MMAN_Bk;
                   1601:                break;
1.62      schwarze 1602:        case MDOC_HEAD:
1.54      schwarze 1603:                /* FALLTHROUGH */
1.62      schwarze 1604:        case MDOC_ELEM:
1.67      schwarze 1605:                if (n->child != NULL || meta->name != NULL)
                   1606:                        font_pop();
1.54      schwarze 1607:                break;
                   1608:        default:
                   1609:                break;
                   1610:        }
1.25      schwarze 1611: }
                   1612:
                   1613: static int
                   1614: pre_no(DECL_ARGS)
                   1615: {
                   1616:
                   1617:        outflags |= MMAN_spc_force;
                   1618:        return(1);
1.1       schwarze 1619: }
                   1620:
                   1621: static int
                   1622: pre_ns(DECL_ARGS)
                   1623: {
                   1624:
1.20      schwarze 1625:        outflags &= ~MMAN_spc;
1.1       schwarze 1626:        return(0);
                   1627: }
                   1628:
1.3       schwarze 1629: static void
                   1630: post_pf(DECL_ARGS)
                   1631: {
                   1632:
1.77      schwarze 1633:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1634:                outflags &= ~MMAN_spc;
1.3       schwarze 1635: }
                   1636:
1.1       schwarze 1637: static int
                   1638: pre_pp(DECL_ARGS)
                   1639: {
                   1640:
1.36      schwarze 1641:        if (MDOC_It != n->parent->tok)
                   1642:                outflags |= MMAN_PP;
                   1643:        outflags |= MMAN_sp | MMAN_nl;
                   1644:        outflags &= ~MMAN_br;
1.34      schwarze 1645:        return(0);
                   1646: }
                   1647:
                   1648: static int
                   1649: pre_rs(DECL_ARGS)
                   1650: {
                   1651:
                   1652:        if (SEC_SEE_ALSO == n->sec) {
1.36      schwarze 1653:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1654:                outflags &= ~MMAN_br;
1.34      schwarze 1655:        }
                   1656:        return(1);
1.67      schwarze 1657: }
                   1658:
                   1659: static int
                   1660: pre_rv(DECL_ARGS)
                   1661: {
                   1662:        int      nchild;
                   1663:
                   1664:        outflags |= MMAN_br | MMAN_nl;
                   1665:
                   1666:        nchild = n->nchild;
                   1667:        if (nchild > 0) {
                   1668:                print_word("The");
                   1669:
                   1670:                for (n = n->child; n; n = n->next) {
                   1671:                        font_push('B');
                   1672:                        print_word(n->string);
                   1673:                        font_pop();
                   1674:
                   1675:                        outflags &= ~MMAN_spc;
                   1676:                        print_word("()");
                   1677:
                   1678:                        if (n->next == NULL)
                   1679:                                continue;
                   1680:
                   1681:                        if (nchild > 2) {
                   1682:                                outflags &= ~MMAN_spc;
                   1683:                                print_word(",");
                   1684:                        }
                   1685:                        if (n->next->next == NULL)
                   1686:                                print_word("and");
                   1687:                }
                   1688:
                   1689:                if (nchild > 1)
                   1690:                        print_word("functions return");
                   1691:                else
                   1692:                        print_word("function returns");
                   1693:
                   1694:                print_word("the value\\~0 if successful;");
                   1695:        } else
                   1696:                print_word("Upon successful completion, "
                   1697:                    "the value\\~0 is returned;");
                   1698:
                   1699:        print_word("otherwise the value\\~\\-1 is returned"
                   1700:            " and the global variable");
                   1701:
                   1702:        font_push('I');
                   1703:        print_word("errno");
                   1704:        font_pop();
                   1705:
                   1706:        print_word("is set to indicate the error.");
                   1707:        outflags |= MMAN_nl;
1.75      schwarze 1708:        return(0);
                   1709: }
                   1710:
                   1711: static int
                   1712: pre_skip(DECL_ARGS)
                   1713: {
                   1714:
1.67      schwarze 1715:        return(0);
1.12      schwarze 1716: }
                   1717:
                   1718: static int
                   1719: pre_sm(DECL_ARGS)
                   1720: {
                   1721:
1.65      schwarze 1722:        if (NULL == n->child)
                   1723:                outflags ^= MMAN_Sm;
                   1724:        else if (0 == strcmp("on", n->child->string))
                   1725:                outflags |= MMAN_Sm;
1.12      schwarze 1726:        else
1.20      schwarze 1727:                outflags &= ~MMAN_Sm;
1.65      schwarze 1728:
                   1729:        if (MMAN_Sm & outflags)
                   1730:                outflags |= MMAN_spc;
                   1731:
1.12      schwarze 1732:        return(0);
1.1       schwarze 1733: }
                   1734:
                   1735: static int
1.3       schwarze 1736: pre_sp(DECL_ARGS)
1.1       schwarze 1737: {
                   1738:
1.41      schwarze 1739:        if (MMAN_PP & outflags) {
                   1740:                outflags &= ~MMAN_PP;
1.40      schwarze 1741:                print_line(".PP", 0);
1.41      schwarze 1742:        } else
1.40      schwarze 1743:                print_line(".sp", 0);
1.1       schwarze 1744:        return(1);
                   1745: }
                   1746:
                   1747: static void
1.3       schwarze 1748: post_sp(DECL_ARGS)
1.1       schwarze 1749: {
                   1750:
1.20      schwarze 1751:        outflags |= MMAN_nl;
1.18      schwarze 1752: }
                   1753:
                   1754: static int
1.26      schwarze 1755: pre_sy(DECL_ARGS)
                   1756: {
                   1757:
                   1758:        font_push('B');
                   1759:        return(1);
                   1760: }
                   1761:
                   1762: static int
1.18      schwarze 1763: pre_vt(DECL_ARGS)
                   1764: {
                   1765:
                   1766:        if (MDOC_SYNPRETTY & n->flags) {
                   1767:                switch (n->type) {
1.62      schwarze 1768:                case MDOC_BLOCK:
1.23      schwarze 1769:                        pre_syn(n);
1.18      schwarze 1770:                        return(1);
1.62      schwarze 1771:                case MDOC_BODY:
1.18      schwarze 1772:                        break;
                   1773:                default:
                   1774:                        return(0);
                   1775:                }
                   1776:        }
1.26      schwarze 1777:        font_push('I');
1.18      schwarze 1778:        return(1);
                   1779: }
                   1780:
                   1781: static void
                   1782: post_vt(DECL_ARGS)
                   1783: {
                   1784:
1.19      schwarze 1785:        if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.18      schwarze 1786:                return;
1.26      schwarze 1787:        font_pop();
1.1       schwarze 1788: }
                   1789:
                   1790: static int
                   1791: pre_xr(DECL_ARGS)
                   1792: {
                   1793:
                   1794:        n = n->child;
                   1795:        if (NULL == n)
                   1796:                return(0);
1.42      schwarze 1797:        print_node(meta, n);
1.1       schwarze 1798:        n = n->next;
                   1799:        if (NULL == n)
                   1800:                return(0);
1.20      schwarze 1801:        outflags &= ~MMAN_spc;
                   1802:        print_word("(");
1.42      schwarze 1803:        print_node(meta, n);
1.20      schwarze 1804:        print_word(")");
1.1       schwarze 1805:        return(0);
1.8       schwarze 1806: }
                   1807:
                   1808: static int
                   1809: pre_ux(DECL_ARGS)
                   1810: {
                   1811:
1.20      schwarze 1812:        print_word(manacts[n->tok].prefix);
1.8       schwarze 1813:        if (NULL == n->child)
                   1814:                return(0);
1.20      schwarze 1815:        outflags &= ~MMAN_spc;
1.45      schwarze 1816:        print_word("\\ ");
1.20      schwarze 1817:        outflags &= ~MMAN_spc;
1.8       schwarze 1818:        return(1);
1.1       schwarze 1819: }

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