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Annotation of mandoc/mdoc_man.c, Revision 1.47

1.47    ! schwarze    1: /*     $Id: mdoc_man.c,v 1.46 2012/11/19 02:14:45 schwarze Exp $ */
1.1       schwarze    2: /*
1.11      schwarze    3:  * Copyright (c) 2011, 2012 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: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.12      schwarze   21: #include <assert.h>
1.1       schwarze   22: #include <stdio.h>
                     23: #include <string.h>
                     24:
                     25: #include "mandoc.h"
1.11      schwarze   26: #include "out.h"
1.4       kristaps   27: #include "man.h"
1.1       schwarze   28: #include "mdoc.h"
                     29: #include "main.h"
                     30:
1.42      schwarze   31: #define        DECL_ARGS const struct mdoc_meta *meta, \
1.20      schwarze   32:                  const struct mdoc_node *n
1.1       schwarze   33:
                     34: struct manact {
1.5       kristaps   35:        int             (*cond)(DECL_ARGS); /* DON'T run actions */
                     36:        int             (*pre)(DECL_ARGS); /* pre-node action */
                     37:        void            (*post)(DECL_ARGS); /* post-node action */
                     38:        const char       *prefix; /* pre-node string constant */
                     39:        const char       *suffix; /* post-node string constant */
1.1       schwarze   40: };
                     41:
1.5       kristaps   42: static int       cond_body(DECL_ARGS);
1.1       schwarze   43: static int       cond_head(DECL_ARGS);
1.26      schwarze   44: static  void     font_push(char);
                     45: static void      font_pop(void);
1.47    ! schwarze   46: static void      mid_it(void);
1.34      schwarze   47: static void      post__t(DECL_ARGS);
1.5       kristaps   48: static void      post_bd(DECL_ARGS);
1.27      schwarze   49: static void      post_bf(DECL_ARGS);
1.13      schwarze   50: static void      post_bk(DECL_ARGS);
1.30      schwarze   51: static void      post_bl(DECL_ARGS);
1.5       kristaps   52: static void      post_dl(DECL_ARGS);
1.1       schwarze   53: static void      post_enc(DECL_ARGS);
1.28      schwarze   54: static void      post_eo(DECL_ARGS);
1.17      schwarze   55: static void      post_fa(DECL_ARGS);
1.29      schwarze   56: static void      post_fd(DECL_ARGS);
1.26      schwarze   57: static void      post_fl(DECL_ARGS);
1.16      schwarze   58: static void      post_fn(DECL_ARGS);
1.17      schwarze   59: static void      post_fo(DECL_ARGS);
1.26      schwarze   60: static void      post_font(DECL_ARGS);
1.15      schwarze   61: static void      post_in(DECL_ARGS);
1.30      schwarze   62: static void      post_it(DECL_ARGS);
1.14      schwarze   63: static void      post_lb(DECL_ARGS);
1.5       kristaps   64: static void      post_nm(DECL_ARGS);
1.1       schwarze   65: static void      post_percent(DECL_ARGS);
1.5       kristaps   66: static void      post_pf(DECL_ARGS);
1.3       schwarze   67: static void      post_sect(DECL_ARGS);
1.5       kristaps   68: static void      post_sp(DECL_ARGS);
1.18      schwarze   69: static void      post_vt(DECL_ARGS);
1.34      schwarze   70: static int       pre__t(DECL_ARGS);
1.22      schwarze   71: static int       pre_an(DECL_ARGS);
1.3       schwarze   72: static int       pre_ap(DECL_ARGS);
                     73: static int       pre_bd(DECL_ARGS);
1.27      schwarze   74: static int       pre_bf(DECL_ARGS);
1.13      schwarze   75: static int       pre_bk(DECL_ARGS);
1.30      schwarze   76: static int       pre_bl(DECL_ARGS);
1.3       schwarze   77: static int       pre_br(DECL_ARGS);
1.8       schwarze   78: static int       pre_bx(DECL_ARGS);
1.1       schwarze   79: static int       pre_dl(DECL_ARGS);
1.5       kristaps   80: static int       pre_enc(DECL_ARGS);
1.26      schwarze   81: static int       pre_em(DECL_ARGS);
1.17      schwarze   82: static int       pre_fa(DECL_ARGS);
1.29      schwarze   83: static int       pre_fd(DECL_ARGS);
1.26      schwarze   84: static int       pre_fl(DECL_ARGS);
1.16      schwarze   85: static int       pre_fn(DECL_ARGS);
1.17      schwarze   86: static int       pre_fo(DECL_ARGS);
1.23      schwarze   87: static int       pre_ft(DECL_ARGS);
1.15      schwarze   88: static int       pre_in(DECL_ARGS);
1.1       schwarze   89: static int       pre_it(DECL_ARGS);
1.24      schwarze   90: static int       pre_lk(DECL_ARGS);
1.26      schwarze   91: static int       pre_li(DECL_ARGS);
1.1       schwarze   92: static int       pre_nm(DECL_ARGS);
1.25      schwarze   93: static int       pre_no(DECL_ARGS);
1.1       schwarze   94: static int       pre_ns(DECL_ARGS);
                     95: static int       pre_pp(DECL_ARGS);
1.34      schwarze   96: static int       pre_rs(DECL_ARGS);
1.12      schwarze   97: static int       pre_sm(DECL_ARGS);
1.3       schwarze   98: static int       pre_sp(DECL_ARGS);
1.5       kristaps   99: static int       pre_sect(DECL_ARGS);
1.26      schwarze  100: static int       pre_sy(DECL_ARGS);
1.23      schwarze  101: static void      pre_syn(const struct mdoc_node *);
1.18      schwarze  102: static int       pre_vt(DECL_ARGS);
1.8       schwarze  103: static int       pre_ux(DECL_ARGS);
1.1       schwarze  104: static int       pre_xr(DECL_ARGS);
1.20      schwarze  105: static void      print_word(const char *);
1.36      schwarze  106: static void      print_line(const char *, int);
                    107: static void      print_block(const char *, int);
1.20      schwarze  108: static void      print_offs(const char *);
1.35      schwarze  109: static void      print_width(const char *,
                    110:                                const struct mdoc_node *, size_t);
1.30      schwarze  111: static void      print_count(int *);
1.5       kristaps  112: static void      print_node(DECL_ARGS);
1.1       schwarze  113:
1.3       schwarze  114: static const struct manact manacts[MDOC_MAX + 1] = {
                    115:        { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
                    116:        { NULL, NULL, NULL, NULL, NULL }, /* Dd */
                    117:        { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8       schwarze  118:        { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3       schwarze  119:        { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
                    120:        { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1       schwarze  121:        { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3       schwarze  122:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1       schwarze  123:        { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3       schwarze  124:        { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
                    125:        { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.30      schwarze  126:        { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3       schwarze  127:        { NULL, NULL, NULL, NULL, NULL }, /* El */
1.30      schwarze  128:        { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.26      schwarze  129:        { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.22      schwarze  130:        { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.26      schwarze  131:        { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
                    132:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
                    133:        { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
                    134:        { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
                    135:        { NULL, pre_li, post_font, NULL, NULL }, /* Er */
                    136:        { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.1       schwarze  137:        { NULL, pre_enc, post_enc, "The \\fB",
                    138:            "\\fP\nutility exits 0 on success, and >0 if an error occurs."
                    139:            }, /* Ex */
1.17      schwarze  140:        { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.29      schwarze  141:        { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.26      schwarze  142:        { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.16      schwarze  143:        { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.26      schwarze  144:        { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
                    145:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.15      schwarze  146:        { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.26      schwarze  147:        { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1       schwarze  148:        { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
                    149:        { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
                    150:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.8       schwarze  151:        { NULL, NULL, NULL, NULL, NULL }, /* Ot */
1.26      schwarze  152:        { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.6       kristaps  153:        { NULL, pre_enc, post_enc, "The \\fB",
                    154:                "\\fP\nfunction returns the value 0 if successful;\n"
                    155:                "otherwise the value -1 is returned and the global\n"
                    156:                "variable \\fIerrno\\fP is set to indicate the error."
                    157:                }, /* Rv */
1.8       schwarze  158:        { NULL, NULL, NULL, NULL, NULL }, /* St */
1.26      schwarze  159:        { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.18      schwarze  160:        { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8       schwarze  161:        { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.34      schwarze  162:        { NULL, NULL, post_percent, NULL, NULL }, /* %A */
                    163:        { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
                    164:        { NULL, NULL, post_percent, NULL, NULL }, /* %D */
                    165:        { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
                    166:        { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
                    167:        { NULL, NULL, post_percent, NULL, NULL }, /* %N */
                    168:        { NULL, NULL, post_percent, NULL, NULL }, /* %O */
                    169:        { NULL, NULL, post_percent, NULL, NULL }, /* %P */
                    170:        { NULL, NULL, post_percent, NULL, NULL }, /* %R */
                    171:        { NULL, pre__t, post__t, NULL, NULL }, /* %T */
                    172:        { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.9       schwarze  173:        { NULL, NULL, NULL, NULL, NULL }, /* Ac */
                    174:        { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
1.1       schwarze  175:        { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
1.8       schwarze  176:        { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3       schwarze  177:        { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.27      schwarze  178:        { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3       schwarze  179:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
                    180:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.8       schwarze  181:        { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
                    182:        { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
                    183:        { NULL, NULL, NULL, NULL, NULL }, /* Db */
1.9       schwarze  184:        { NULL, NULL, NULL, NULL, NULL }, /* Dc */
                    185:        { cond_body, pre_enc, post_enc, "``", "''" }, /* Do */
1.1       schwarze  186:        { cond_body, pre_enc, post_enc, "``", "''" }, /* Dq */
1.28      schwarze  187:        { NULL, NULL, NULL, NULL, NULL }, /* Ec */
                    188:        { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.26      schwarze  189:        { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.28      schwarze  190:        { NULL, NULL, post_eo, NULL, NULL }, /* Eo */
1.8       schwarze  191:        { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.26      schwarze  192:        { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.25      schwarze  193:        { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1       schwarze  194:        { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.8       schwarze  195:        { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
                    196:        { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3       schwarze  197:        { NULL, NULL, NULL, NULL, NULL }, /* Pc */
                    198:        { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
                    199:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
                    200:        { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9       schwarze  201:        { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.1       schwarze  202:        { cond_body, pre_enc, post_enc, "`", "'" }, /* Ql */
1.9       schwarze  203:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
                    204:        { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
                    205:        { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.34      schwarze  206:        { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.9       schwarze  207:        { NULL, NULL, NULL, NULL, NULL }, /* Sc */
                    208:        { cond_body, pre_enc, post_enc, "`", "'" }, /* So */
1.1       schwarze  209:        { cond_body, pre_enc, post_enc, "`", "'" }, /* Sq */
1.12      schwarze  210:        { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.26      schwarze  211:        { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
                    212:        { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
                    213:        { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.8       schwarze  214:        { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.34      schwarze  215:        { NULL, NULL, NULL, NULL, NULL }, /* Xc */
                    216:        { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.17      schwarze  217:        { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
                    218:        { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3       schwarze  219:        { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9       schwarze  220:        { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13      schwarze  221:        { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
                    222:        { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.8       schwarze  223:        { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
                    224:        { NULL, NULL, NULL, NULL, NULL }, /* Hf */
                    225:        { NULL, NULL, NULL, NULL, NULL }, /* Fr */
                    226:        { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.14      schwarze  227:        { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3       schwarze  228:        { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.24      schwarze  229:        { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.26      schwarze  230:        { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.9       schwarze  231:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
                    232:        { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
                    233:        { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.34      schwarze  234:        { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.29      schwarze  235:        { NULL, NULL, NULL, NULL, NULL }, /* Es */
                    236:        { NULL, NULL, NULL, NULL, NULL }, /* En */
1.8       schwarze  237:        { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.34      schwarze  238:        { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3       schwarze  239:        { NULL, pre_br, NULL, NULL, NULL }, /* br */
                    240:        { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.34      schwarze  241:        { NULL, NULL, post_percent, NULL, NULL }, /* %U */
                    242:        { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.3       schwarze  243:        { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1       schwarze  244: };
                    245:
1.20      schwarze  246: static int             outflags;
1.36      schwarze  247: #define        MMAN_spc        (1 << 0)  /* blank character before next word */
                    248: #define        MMAN_spc_force  (1 << 1)  /* even before trailing punctuation */
                    249: #define        MMAN_nl         (1 << 2)  /* break man(7) code line */
                    250: #define        MMAN_br         (1 << 3)  /* break output line */
                    251: #define        MMAN_sp         (1 << 4)  /* insert a blank output line */
                    252: #define        MMAN_PP         (1 << 5)  /* reset indentation etc. */
                    253: #define        MMAN_Sm         (1 << 6)  /* horizontal spacing mode */
                    254: #define        MMAN_Bk         (1 << 7)  /* word keep mode */
1.46      schwarze  255: #define        MMAN_Bk_susp    (1 << 8)  /* suspend this (after a macro) */
                    256: #define        MMAN_An_split   (1 << 9)  /* author mode is "split" */
                    257: #define        MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
                    258: #define        MMAN_PD         (1 << 11) /* inter-paragraph spacing disabled */
1.20      schwarze  259:
1.43      schwarze  260: #define        BL_STACK_MAX    32
                    261:
                    262: static size_t          Bl_stack[BL_STACK_MAX];  /* offsets [chars] */
                    263: static int             Bl_stack_post[BL_STACK_MAX];  /* add final .RE */
                    264: static int             Bl_stack_len;  /* number of nested Bl blocks */
1.37      schwarze  265: static int             TPremain;  /* characters before tag is full */
                    266:
1.26      schwarze  267: static struct {
                    268:        char    *head;
                    269:        char    *tail;
                    270:        size_t   size;
                    271: }      fontqueue;
                    272:
                    273: static void
                    274: font_push(char newfont)
                    275: {
                    276:
                    277:        if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
                    278:                fontqueue.size += 8;
                    279:                fontqueue.head = mandoc_realloc(fontqueue.head,
                    280:                                fontqueue.size);
                    281:        }
                    282:        *fontqueue.tail = newfont;
1.37      schwarze  283:        print_word("");
                    284:        printf("\\f");
1.26      schwarze  285:        putchar(newfont);
                    286:        outflags &= ~MMAN_spc;
                    287: }
                    288:
                    289: static void
                    290: font_pop(void)
                    291: {
                    292:
                    293:        if (fontqueue.tail > fontqueue.head)
                    294:                fontqueue.tail--;
                    295:        outflags &= ~MMAN_spc;
1.37      schwarze  296:        print_word("");
                    297:        printf("\\f");
1.26      schwarze  298:        putchar(*fontqueue.tail);
                    299: }
                    300:
1.1       schwarze  301: static void
1.20      schwarze  302: print_word(const char *s)
1.1       schwarze  303: {
1.5       kristaps  304:
1.36      schwarze  305:        if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.5       kristaps  306:                /*
                    307:                 * If we need a newline, print it now and start afresh.
                    308:                 */
1.36      schwarze  309:                if (MMAN_PP & outflags) {
1.44      schwarze  310:                        if (MMAN_sp & outflags) {
                    311:                                if (MMAN_PD & outflags) {
                    312:                                        printf("\n.PD");
                    313:                                        outflags &= ~MMAN_PD;
                    314:                                }
                    315:                        } else if ( ! (MMAN_PD & outflags)) {
                    316:                                printf("\n.PD 0");
                    317:                                outflags |= MMAN_PD;
                    318:                        }
1.36      schwarze  319:                        printf("\n.PP\n");
                    320:                } else if (MMAN_sp & outflags)
1.21      schwarze  321:                        printf("\n.sp\n");
                    322:                else if (MMAN_br & outflags)
                    323:                        printf("\n.br\n");
                    324:                else if (MMAN_nl & outflags)
                    325:                        putchar('\n');
1.36      schwarze  326:                outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.37      schwarze  327:                if (1 == TPremain)
                    328:                        printf(".br\n");
                    329:                TPremain = 0;
                    330:        } else if (MMAN_spc & outflags) {
1.5       kristaps  331:                /*
1.25      schwarze  332:                 * If we need a space, only print it if
                    333:                 * (1) it is forced by `No' or
                    334:                 * (2) what follows is not terminating punctuation or
                    335:                 * (3) what follows is longer than one character.
1.5       kristaps  336:                 */
1.37      schwarze  337:                if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.25      schwarze  338:                    NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.46      schwarze  339:                        if (MMAN_Bk & outflags &&
                    340:                            ! (MMAN_Bk_susp & outflags))
1.13      schwarze  341:                                putchar('\\');
1.45      schwarze  342:                        putchar(' ');
1.37      schwarze  343:                        if (TPremain)
                    344:                                TPremain--;
1.13      schwarze  345:                }
1.37      schwarze  346:        }
1.5       kristaps  347:
                    348:        /*
                    349:         * Reassign needing space if we're not following opening
                    350:         * punctuation.
                    351:         */
1.37      schwarze  352:        if (MMAN_Sm & outflags && ('\0' == s[0] ||
                    353:            (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.20      schwarze  354:                outflags |= MMAN_spc;
                    355:        else
                    356:                outflags &= ~MMAN_spc;
1.46      schwarze  357:        outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.5       kristaps  358:
1.1       schwarze  359:        for ( ; *s; s++) {
                    360:                switch (*s) {
                    361:                case (ASCII_NBRSP):
1.45      schwarze  362:                        printf("\\ ");
1.1       schwarze  363:                        break;
                    364:                case (ASCII_HYPH):
                    365:                        putchar('-');
                    366:                        break;
                    367:                default:
1.5       kristaps  368:                        putchar((unsigned char)*s);
1.1       schwarze  369:                        break;
                    370:                }
1.37      schwarze  371:                if (TPremain)
                    372:                        TPremain--;
1.1       schwarze  373:        }
1.4       kristaps  374: }
                    375:
1.11      schwarze  376: static void
1.36      schwarze  377: print_line(const char *s, int newflags)
                    378: {
                    379:
                    380:        outflags &= ~MMAN_br;
                    381:        outflags |= MMAN_nl;
                    382:        print_word(s);
                    383:        outflags |= newflags;
                    384: }
                    385:
                    386: static void
                    387: print_block(const char *s, int newflags)
                    388: {
                    389:
                    390:        outflags &= ~MMAN_PP;
1.44      schwarze  391:        if (MMAN_sp & outflags) {
1.36      schwarze  392:                outflags &= ~(MMAN_sp | MMAN_br);
1.44      schwarze  393:                if (MMAN_PD & outflags) {
                    394:                        print_line(".PD", 0);
                    395:                        outflags &= ~MMAN_PD;
                    396:                }
1.46      schwarze  397:        } else if (! (MMAN_PD & outflags))
                    398:                print_line(".PD 0", MMAN_PD);
1.36      schwarze  399:        outflags |= MMAN_nl;
                    400:        print_word(s);
1.46      schwarze  401:        outflags |= MMAN_Bk_susp | newflags;
1.36      schwarze  402: }
                    403:
                    404: static void
1.20      schwarze  405: print_offs(const char *v)
1.11      schwarze  406: {
                    407:        char              buf[24];
                    408:        struct roffsu     su;
                    409:        size_t            sz;
                    410:
1.43      schwarze  411:        /* Convert v into a number (of characters). */
1.11      schwarze  412:        if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
                    413:                sz = 0;
                    414:        else if (0 == strcmp(v, "indent"))
                    415:                sz = 6;
                    416:        else if (0 == strcmp(v, "indent-two"))
                    417:                sz = 12;
                    418:        else if (a2roffsu(v, &su, SCALE_MAX)) {
1.43      schwarze  419:                if (SCALE_EN == su.unit)
                    420:                        sz = su.scale;
                    421:                else {
                    422:                        /*
                    423:                         * XXX
                    424:                         * If we are inside an enclosing list,
                    425:                         * there is no easy way to add the two
                    426:                         * indentations because they are provided
                    427:                         * in terms of different units.
                    428:                         */
                    429:                        print_word(v);
                    430:                        return;
                    431:                }
1.11      schwarze  432:        } else
                    433:                sz = strlen(v);
                    434:
1.43      schwarze  435:        /*
                    436:         * We are inside an enclosing list.
                    437:         * Add the two indentations.
                    438:         */
                    439:        if (Bl_stack_len)
                    440:                sz += Bl_stack[Bl_stack_len - 1];
                    441:
1.11      schwarze  442:        snprintf(buf, sizeof(buf), "%ldn", sz);
1.20      schwarze  443:        print_word(buf);
1.11      schwarze  444: }
                    445:
1.47    ! schwarze  446: /*
        !           447:  * Set up the indentation for a list item; used from pre_it().
        !           448:  */
1.4       kristaps  449: void
1.35      schwarze  450: print_width(const char *v, const struct mdoc_node *child, size_t defsz)
1.30      schwarze  451: {
                    452:        char              buf[24];
                    453:        struct roffsu     su;
1.31      schwarze  454:        size_t            sz, chsz;
1.37      schwarze  455:        int               numeric, remain;
1.31      schwarze  456:
1.37      schwarze  457:        numeric = 1;
                    458:        remain = 0;
1.43      schwarze  459:
                    460:        /* Convert v into a number (of characters). */
1.35      schwarze  461:        if (NULL == v)
                    462:                sz = defsz;
                    463:        else if (a2roffsu(v, &su, SCALE_MAX)) {
1.30      schwarze  464:                if (SCALE_EN == su.unit)
                    465:                        sz = su.scale;
                    466:                else {
1.37      schwarze  467:                        sz = 0;
                    468:                        numeric = 0;
1.30      schwarze  469:                }
                    470:        } else
                    471:                sz = strlen(v);
                    472:
1.37      schwarze  473:        /* XXX Rough estimation, might have multiple parts. */
                    474:        chsz = (NULL != child && MDOC_TEXT == child->type) ?
                    475:                        strlen(child->string) : 0;
                    476:
1.47    ! schwarze  477:        /* Maybe we are inside an enclosing list? */
        !           478:        mid_it();
1.43      schwarze  479:
                    480:        /*
                    481:         * Save our own indentation,
                    482:         * such that child lists can use it.
                    483:         */
                    484:        Bl_stack[Bl_stack_len++] = sz + 2;
                    485:
                    486:        /* Set up the current list. */
1.37      schwarze  487:        if (defsz && chsz > sz)
1.36      schwarze  488:                print_block(".HP", 0);
1.37      schwarze  489:        else {
1.36      schwarze  490:                print_block(".TP", 0);
1.37      schwarze  491:                remain = sz + 2;
                    492:        }
                    493:        if (numeric) {
                    494:                snprintf(buf, sizeof(buf), "%ldn", sz + 2);
                    495:                print_word(buf);
                    496:        } else
                    497:                print_word(v);
                    498:        TPremain = remain;
1.30      schwarze  499: }
                    500:
                    501: void
                    502: print_count(int *count)
                    503: {
                    504:        char              buf[12];
                    505:
                    506:        snprintf(buf, sizeof(buf), "%d.", ++*count);
                    507:        print_word(buf);
                    508: }
                    509:
                    510: void
1.4       kristaps  511: man_man(void *arg, const struct man *man)
                    512: {
                    513:
1.5       kristaps  514:        /*
                    515:         * Dump the keep buffer.
                    516:         * We're guaranteed by now that this exists (is non-NULL).
                    517:         * Flush stdout afterward, just in case.
                    518:         */
1.4       kristaps  519:        fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5       kristaps  520:        fflush(stdout);
1.1       schwarze  521: }
                    522:
                    523: void
                    524: man_mdoc(void *arg, const struct mdoc *mdoc)
                    525: {
1.42      schwarze  526:        const struct mdoc_meta *meta;
1.1       schwarze  527:        const struct mdoc_node *n;
                    528:
1.42      schwarze  529:        meta = mdoc_meta(mdoc);
1.1       schwarze  530:        n = mdoc_node(mdoc);
                    531:
1.45      schwarze  532:        printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.42      schwarze  533:                        meta->title, meta->msec, meta->date,
                    534:                        meta->os, meta->vol);
1.1       schwarze  535:
1.45      schwarze  536:        /* Disable hyphenation and if nroff, disable justification. */
                    537:        printf(".nh\n.if n .ad l");
                    538:
1.20      schwarze  539:        outflags = MMAN_nl | MMAN_Sm;
1.26      schwarze  540:        if (0 == fontqueue.size) {
                    541:                fontqueue.size = 8;
                    542:                fontqueue.head = fontqueue.tail = mandoc_malloc(8);
                    543:                *fontqueue.tail = 'R';
                    544:        }
1.42      schwarze  545:        print_node(meta, n);
1.3       schwarze  546:        putchar('\n');
1.1       schwarze  547: }
                    548:
                    549: static void
                    550: print_node(DECL_ARGS)
                    551: {
                    552:        const struct mdoc_node  *prev, *sub;
1.5       kristaps  553:        const struct manact     *act;
1.1       schwarze  554:        int                      cond, do_sub;
1.46      schwarze  555:
1.5       kristaps  556:        /*
                    557:         * Break the line if we were parsed subsequent the current node.
                    558:         * This makes the page structure be more consistent.
                    559:         */
1.1       schwarze  560:        prev = n->prev ? n->prev : n->parent;
1.27      schwarze  561:        if (MMAN_spc & outflags && prev && prev->line < n->line)
1.20      schwarze  562:                outflags |= MMAN_nl;
1.1       schwarze  563:
1.5       kristaps  564:        act = NULL;
1.1       schwarze  565:        cond = 0;
                    566:        do_sub = 1;
1.5       kristaps  567:
1.1       schwarze  568:        if (MDOC_TEXT == n->type) {
1.5       kristaps  569:                /*
                    570:                 * Make sure that we don't happen to start with a
                    571:                 * control character at the start of a line.
                    572:                 */
1.20      schwarze  573:                if (MMAN_nl & outflags && ('.' == *n->string ||
1.5       kristaps  574:                                        '\'' == *n->string)) {
1.37      schwarze  575:                        print_word("");
                    576:                        printf("\\&");
1.20      schwarze  577:                        outflags &= ~MMAN_spc;
1.3       schwarze  578:                }
1.20      schwarze  579:                print_word(n->string);
1.1       schwarze  580:        } else {
1.5       kristaps  581:                /*
                    582:                 * Conditionally run the pre-node action handler for a
                    583:                 * node.
                    584:                 */
1.1       schwarze  585:                act = manacts + n->tok;
1.42      schwarze  586:                cond = NULL == act->cond || (*act->cond)(meta, n);
1.1       schwarze  587:                if (cond && act->pre)
1.42      schwarze  588:                        do_sub = (*act->pre)(meta, n);
1.1       schwarze  589:        }
                    590:
1.5       kristaps  591:        /*
                    592:         * Conditionally run all child nodes.
                    593:         * Note that this iterates over children instead of using
                    594:         * recursion.  This prevents unnecessary depth in the stack.
                    595:         */
1.1       schwarze  596:        if (do_sub)
                    597:                for (sub = n->child; sub; sub = sub->next)
1.42      schwarze  598:                        print_node(meta, sub);
1.1       schwarze  599:
1.5       kristaps  600:        /*
                    601:         * Lastly, conditionally run the post-node handler.
                    602:         */
1.1       schwarze  603:        if (cond && act->post)
1.42      schwarze  604:                (*act->post)(meta, n);
1.1       schwarze  605: }
                    606:
                    607: static int
                    608: cond_head(DECL_ARGS)
                    609: {
1.5       kristaps  610:
1.1       schwarze  611:        return(MDOC_HEAD == n->type);
                    612: }
                    613:
                    614: static int
                    615: cond_body(DECL_ARGS)
                    616: {
1.5       kristaps  617:
1.1       schwarze  618:        return(MDOC_BODY == n->type);
                    619: }
                    620:
                    621: static int
                    622: pre_enc(DECL_ARGS)
                    623: {
1.5       kristaps  624:        const char      *prefix;
1.1       schwarze  625:
                    626:        prefix = manacts[n->tok].prefix;
                    627:        if (NULL == prefix)
                    628:                return(1);
1.20      schwarze  629:        print_word(prefix);
                    630:        outflags &= ~MMAN_spc;
1.1       schwarze  631:        return(1);
                    632: }
                    633:
                    634: static void
                    635: post_enc(DECL_ARGS)
                    636: {
                    637:        const char *suffix;
                    638:
                    639:        suffix = manacts[n->tok].suffix;
                    640:        if (NULL == suffix)
                    641:                return;
1.20      schwarze  642:        outflags &= ~MMAN_spc;
                    643:        print_word(suffix);
1.26      schwarze  644: }
                    645:
                    646: static void
                    647: post_font(DECL_ARGS)
                    648: {
                    649:
                    650:        font_pop();
1.1       schwarze  651: }
                    652:
                    653: static void
                    654: post_percent(DECL_ARGS)
                    655: {
                    656:
1.34      schwarze  657:        if (pre_em == manacts[n->tok].pre)
                    658:                font_pop();
                    659:        if (n->next) {
1.20      schwarze  660:                print_word(",");
1.34      schwarze  661:                if (n->prev &&  n->prev->tok == n->tok &&
                    662:                                n->next->tok == n->tok)
                    663:                        print_word("and");
                    664:        } else {
1.20      schwarze  665:                print_word(".");
                    666:                outflags |= MMAN_nl;
1.1       schwarze  667:        }
                    668: }
                    669:
1.34      schwarze  670: static int
                    671: pre__t(DECL_ARGS)
                    672: {
                    673:
                    674:         if (n->parent && MDOC_Rs == n->parent->tok &&
                    675:                         n->parent->norm->Rs.quote_T) {
1.37      schwarze  676:                print_word("");
                    677:                putchar('\"');
1.34      schwarze  678:                outflags &= ~MMAN_spc;
                    679:        } else
                    680:                font_push('I');
                    681:        return(1);
                    682: }
                    683:
                    684: static void
                    685: post__t(DECL_ARGS)
                    686: {
                    687:
                    688:         if (n->parent && MDOC_Rs == n->parent->tok &&
                    689:                         n->parent->norm->Rs.quote_T) {
                    690:                outflags &= ~MMAN_spc;
1.37      schwarze  691:                print_word("");
                    692:                putchar('\"');
1.34      schwarze  693:        } else
                    694:                font_pop();
1.42      schwarze  695:        post_percent(meta, n);
1.34      schwarze  696: }
                    697:
1.5       kristaps  698: /*
                    699:  * Print before a section header.
                    700:  */
1.1       schwarze  701: static int
1.3       schwarze  702: pre_sect(DECL_ARGS)
                    703: {
                    704:
1.46      schwarze  705:        switch (n->type) {
                    706:        case (MDOC_HEAD):
                    707:                outflags |= MMAN_sp;
                    708:                print_block(manacts[n->tok].prefix, 0);
                    709:                print_word("");
                    710:                putchar('\"');
                    711:                outflags &= ~MMAN_spc;
                    712:                break;
                    713:        case (MDOC_BODY):
                    714:                if (MDOC_Sh == n->tok) {
                    715:                        if (MDOC_SYNPRETTY & n->flags)
                    716:                                outflags |= MMAN_Bk;
                    717:                        else
                    718:                                outflags &= ~MMAN_Bk;
                    719:                }
                    720:                break;
                    721:        default:
                    722:                break;
                    723:        }
1.3       schwarze  724:        return(1);
                    725: }
                    726:
1.5       kristaps  727: /*
                    728:  * Print subsequent a section header.
                    729:  */
1.3       schwarze  730: static void
                    731: post_sect(DECL_ARGS)
                    732: {
                    733:
                    734:        if (MDOC_HEAD != n->type)
                    735:                return;
1.20      schwarze  736:        outflags &= ~MMAN_spc;
1.37      schwarze  737:        print_word("");
                    738:        putchar('\"');
1.20      schwarze  739:        outflags |= MMAN_nl;
1.22      schwarze  740:        if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
                    741:                outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
                    742: }
                    743:
1.23      schwarze  744: /* See mdoc_term.c, synopsis_pre() for comments. */
                    745: static void
                    746: pre_syn(const struct mdoc_node *n)
                    747: {
                    748:
                    749:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
                    750:                return;
                    751:
                    752:        if (n->prev->tok == n->tok &&
                    753:                        MDOC_Ft != n->tok &&
                    754:                        MDOC_Fo != n->tok &&
                    755:                        MDOC_Fn != n->tok) {
                    756:                outflags |= MMAN_br;
                    757:                return;
                    758:        }
                    759:
                    760:        switch (n->prev->tok) {
                    761:        case (MDOC_Fd):
                    762:                /* FALLTHROUGH */
                    763:        case (MDOC_Fn):
                    764:                /* FALLTHROUGH */
                    765:        case (MDOC_Fo):
                    766:                /* FALLTHROUGH */
                    767:        case (MDOC_In):
                    768:                /* FALLTHROUGH */
                    769:        case (MDOC_Vt):
                    770:                outflags |= MMAN_sp;
                    771:                break;
                    772:        case (MDOC_Ft):
                    773:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                    774:                        outflags |= MMAN_sp;
                    775:                        break;
                    776:                }
                    777:                /* FALLTHROUGH */
                    778:        default:
                    779:                outflags |= MMAN_br;
                    780:                break;
                    781:        }
                    782: }
                    783:
1.22      schwarze  784: static int
                    785: pre_an(DECL_ARGS)
                    786: {
                    787:
                    788:        switch (n->norm->An.auth) {
                    789:        case (AUTH_split):
                    790:                outflags &= ~MMAN_An_nosplit;
                    791:                outflags |= MMAN_An_split;
                    792:                return(0);
                    793:        case (AUTH_nosplit):
                    794:                outflags &= ~MMAN_An_split;
                    795:                outflags |= MMAN_An_nosplit;
                    796:                return(0);
                    797:        default:
                    798:                if (MMAN_An_split & outflags)
                    799:                        outflags |= MMAN_br;
                    800:                else if (SEC_AUTHORS == n->sec &&
                    801:                    ! (MMAN_An_nosplit & outflags))
                    802:                        outflags |= MMAN_An_split;
                    803:                return(1);
                    804:        }
1.3       schwarze  805: }
                    806:
                    807: static int
                    808: pre_ap(DECL_ARGS)
                    809: {
                    810:
1.20      schwarze  811:        outflags &= ~MMAN_spc;
                    812:        print_word("'");
                    813:        outflags &= ~MMAN_spc;
1.3       schwarze  814:        return(0);
                    815: }
                    816:
                    817: static int
                    818: pre_bd(DECL_ARGS)
                    819: {
                    820:
1.36      schwarze  821:        outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
                    822:
                    823:        if (DISP_unfilled == n->norm->Bd.type ||
                    824:            DISP_literal  == n->norm->Bd.type)
                    825:                print_line(".nf", 0);
                    826:        if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.21      schwarze  827:                outflags |= MMAN_sp;
1.46      schwarze  828:        print_line(".RS", MMAN_Bk_susp);
1.20      schwarze  829:        print_offs(n->norm->Bd.offs);
                    830:        outflags |= MMAN_nl;
1.3       schwarze  831:        return(1);
                    832: }
                    833:
                    834: static void
                    835: post_bd(DECL_ARGS)
                    836: {
                    837:
1.43      schwarze  838:        /* Close out this display. */
1.36      schwarze  839:        print_line(".RE", MMAN_nl);
1.3       schwarze  840:        if (DISP_unfilled == n->norm->Bd.type ||
1.36      schwarze  841:            DISP_literal  == n->norm->Bd.type)
                    842:                print_line(".fi", MMAN_nl);
1.43      schwarze  843:
1.47    ! schwarze  844:        /* Maybe we are inside an enclosing list? */
        !           845:        if (NULL != n->parent->next)
        !           846:                mid_it();
1.13      schwarze  847: }
                    848:
                    849: static int
1.27      schwarze  850: pre_bf(DECL_ARGS)
                    851: {
                    852:
                    853:        switch (n->type) {
                    854:        case (MDOC_BLOCK):
                    855:                return(1);
                    856:        case (MDOC_BODY):
                    857:                break;
                    858:        default:
                    859:                return(0);
                    860:        }
                    861:        switch (n->norm->Bf.font) {
                    862:        case (FONT_Em):
                    863:                font_push('I');
                    864:                break;
                    865:        case (FONT_Sy):
                    866:                font_push('B');
                    867:                break;
                    868:        default:
                    869:                font_push('R');
                    870:                break;
                    871:        }
                    872:        return(1);
                    873: }
                    874:
                    875: static void
                    876: post_bf(DECL_ARGS)
                    877: {
                    878:
                    879:        if (MDOC_BODY == n->type)
                    880:                font_pop();
                    881: }
                    882:
                    883: static int
1.13      schwarze  884: pre_bk(DECL_ARGS)
                    885: {
                    886:
                    887:        switch (n->type) {
                    888:        case (MDOC_BLOCK):
                    889:                return(1);
                    890:        case (MDOC_BODY):
1.20      schwarze  891:                outflags |= MMAN_Bk;
1.13      schwarze  892:                return(1);
                    893:        default:
                    894:                return(0);
                    895:        }
                    896: }
                    897:
                    898: static void
                    899: post_bk(DECL_ARGS)
                    900: {
                    901:
                    902:        if (MDOC_BODY == n->type)
1.20      schwarze  903:                outflags &= ~MMAN_Bk;
1.3       schwarze  904: }
                    905:
                    906: static int
1.30      schwarze  907: pre_bl(DECL_ARGS)
                    908: {
1.33      schwarze  909:        size_t           icol;
1.30      schwarze  910:
1.33      schwarze  911:        switch (n->norm->Bl.type) {
                    912:        case (LIST_enum):
1.30      schwarze  913:                n->norm->Bl.count = 0;
1.33      schwarze  914:                return(1);
                    915:        case (LIST_column):
                    916:                break;
                    917:        default:
                    918:                return(1);
                    919:        }
                    920:
1.36      schwarze  921:        print_line(".TS", MMAN_nl);
1.33      schwarze  922:        for (icol = 0; icol < n->norm->Bl.ncols; icol++)
                    923:                print_word("l");
                    924:        print_word(".");
1.36      schwarze  925:        outflags |= MMAN_nl;
1.30      schwarze  926:        return(1);
                    927: }
                    928:
                    929: static void
                    930: post_bl(DECL_ARGS)
                    931: {
                    932:
1.33      schwarze  933:        switch (n->norm->Bl.type) {
1.36      schwarze  934:        case (LIST_column):
                    935:                print_line(".TE", 0);
                    936:                break;
1.33      schwarze  937:        case (LIST_enum):
                    938:                n->norm->Bl.count = 0;
                    939:                break;
                    940:        default:
                    941:                break;
                    942:        }
1.36      schwarze  943:        outflags |= MMAN_PP | MMAN_nl;
                    944:        outflags &= ~(MMAN_sp | MMAN_br);
1.47    ! schwarze  945:
        !           946:        /* Maybe we are inside an enclosing list? */
        !           947:        if (NULL != n->parent->next)
        !           948:                mid_it();
        !           949:
1.30      schwarze  950: }
                    951:
                    952: static int
1.3       schwarze  953: pre_br(DECL_ARGS)
                    954: {
                    955:
1.21      schwarze  956:        outflags |= MMAN_br;
1.3       schwarze  957:        return(0);
                    958: }
                    959:
                    960: static int
1.8       schwarze  961: pre_bx(DECL_ARGS)
                    962: {
                    963:
                    964:        n = n->child;
                    965:        if (n) {
1.20      schwarze  966:                print_word(n->string);
                    967:                outflags &= ~MMAN_spc;
1.8       schwarze  968:                n = n->next;
                    969:        }
1.20      schwarze  970:        print_word("BSD");
1.8       schwarze  971:        if (NULL == n)
                    972:                return(0);
1.20      schwarze  973:        outflags &= ~MMAN_spc;
                    974:        print_word("-");
                    975:        outflags &= ~MMAN_spc;
                    976:        print_word(n->string);
1.8       schwarze  977:        return(0);
                    978: }
                    979:
                    980: static int
1.1       schwarze  981: pre_dl(DECL_ARGS)
                    982: {
                    983:
1.47    ! schwarze  984:        print_line(".RS", MMAN_Bk_susp);
        !           985:        print_offs("6n");
        !           986:        outflags |= MMAN_nl;
1.1       schwarze  987:        return(1);
                    988: }
                    989:
                    990: static void
                    991: post_dl(DECL_ARGS)
                    992: {
                    993:
1.36      schwarze  994:        print_line(".RE", MMAN_nl);
1.47    ! schwarze  995:
        !           996:        /* Maybe we are inside an enclosing list? */
        !           997:        if (NULL != n->parent->next)
        !           998:                mid_it();
1.16      schwarze  999: }
                   1000:
                   1001: static int
1.26      schwarze 1002: pre_em(DECL_ARGS)
                   1003: {
                   1004:
                   1005:        font_push('I');
                   1006:        return(1);
1.28      schwarze 1007: }
                   1008:
                   1009: static void
                   1010: post_eo(DECL_ARGS)
                   1011: {
                   1012:
                   1013:        if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
                   1014:                outflags &= ~MMAN_spc;
1.26      schwarze 1015: }
                   1016:
                   1017: static int
1.17      schwarze 1018: pre_fa(DECL_ARGS)
                   1019: {
                   1020:
                   1021:        if (MDOC_Fa == n->tok)
                   1022:                n = n->child;
                   1023:
                   1024:        while (NULL != n) {
1.26      schwarze 1025:                font_push('I');
1.42      schwarze 1026:                print_node(meta, n);
1.26      schwarze 1027:                font_pop();
1.17      schwarze 1028:                if (NULL != (n = n->next))
1.20      schwarze 1029:                        print_word(",");
1.17      schwarze 1030:        }
                   1031:        return(0);
                   1032: }
                   1033:
                   1034: static void
                   1035: post_fa(DECL_ARGS)
                   1036: {
                   1037:
                   1038:        if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20      schwarze 1039:                print_word(",");
1.29      schwarze 1040: }
                   1041:
                   1042: static int
                   1043: pre_fd(DECL_ARGS)
                   1044: {
                   1045:
                   1046:        pre_syn(n);
                   1047:        font_push('B');
                   1048:        return(1);
                   1049: }
                   1050:
                   1051: static void
                   1052: post_fd(DECL_ARGS)
                   1053: {
                   1054:
                   1055:        font_pop();
                   1056:        outflags |= MMAN_br;
1.17      schwarze 1057: }
                   1058:
                   1059: static int
1.26      schwarze 1060: pre_fl(DECL_ARGS)
                   1061: {
                   1062:
                   1063:        font_push('B');
1.45      schwarze 1064:        print_word("\\-");
1.26      schwarze 1065:        outflags &= ~MMAN_spc;
                   1066:        return(1);
                   1067: }
                   1068:
                   1069: static void
                   1070: post_fl(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        font_pop();
1.27      schwarze 1074:        if (0 == n->nchild && NULL != n->next &&
                   1075:                        n->next->line == n->line)
1.26      schwarze 1076:                outflags &= ~MMAN_spc;
                   1077: }
                   1078:
                   1079: static int
1.16      schwarze 1080: pre_fn(DECL_ARGS)
                   1081: {
                   1082:
1.23      schwarze 1083:        pre_syn(n);
                   1084:
1.16      schwarze 1085:        n = n->child;
                   1086:        if (NULL == n)
                   1087:                return(0);
                   1088:
1.26      schwarze 1089:        font_push('B');
1.42      schwarze 1090:        print_node(meta, n);
1.26      schwarze 1091:        font_pop();
1.20      schwarze 1092:        outflags &= ~MMAN_spc;
1.26      schwarze 1093:        print_word("(");
1.20      schwarze 1094:        outflags &= ~MMAN_spc;
1.35      schwarze 1095:
                   1096:        n = n->next;
                   1097:        if (NULL != n)
1.42      schwarze 1098:                pre_fa(meta, n);
1.35      schwarze 1099:        return(0);
1.16      schwarze 1100: }
                   1101:
                   1102: static void
                   1103: post_fn(DECL_ARGS)
                   1104: {
                   1105:
1.20      schwarze 1106:        print_word(")");
1.16      schwarze 1107:        if (MDOC_SYNPRETTY & n->flags) {
1.20      schwarze 1108:                print_word(";");
1.21      schwarze 1109:                outflags |= MMAN_br;
1.17      schwarze 1110:        }
                   1111: }
                   1112:
                   1113: static int
                   1114: pre_fo(DECL_ARGS)
                   1115: {
                   1116:
                   1117:        switch (n->type) {
1.23      schwarze 1118:        case (MDOC_BLOCK):
                   1119:                pre_syn(n);
                   1120:                break;
1.17      schwarze 1121:        case (MDOC_HEAD):
1.26      schwarze 1122:                font_push('B');
1.17      schwarze 1123:                break;
                   1124:        case (MDOC_BODY):
1.20      schwarze 1125:                outflags &= ~MMAN_spc;
                   1126:                print_word("(");
                   1127:                outflags &= ~MMAN_spc;
1.17      schwarze 1128:                break;
                   1129:        default:
                   1130:                break;
                   1131:        }
                   1132:        return(1);
                   1133: }
                   1134:
                   1135: static void
                   1136: post_fo(DECL_ARGS)
                   1137: {
                   1138:
                   1139:        switch (n->type) {
                   1140:        case (MDOC_HEAD):
1.26      schwarze 1141:                font_pop();
1.17      schwarze 1142:                break;
                   1143:        case (MDOC_BODY):
1.42      schwarze 1144:                post_fn(meta, n);
1.17      schwarze 1145:                break;
                   1146:        default:
                   1147:                break;
1.16      schwarze 1148:        }
1.15      schwarze 1149: }
                   1150:
                   1151: static int
1.23      schwarze 1152: pre_ft(DECL_ARGS)
                   1153: {
                   1154:
                   1155:        pre_syn(n);
1.26      schwarze 1156:        font_push('I');
1.23      schwarze 1157:        return(1);
                   1158: }
                   1159:
                   1160: static int
1.15      schwarze 1161: pre_in(DECL_ARGS)
                   1162: {
                   1163:
                   1164:        if (MDOC_SYNPRETTY & n->flags) {
1.23      schwarze 1165:                pre_syn(n);
1.26      schwarze 1166:                font_push('B');
                   1167:                print_word("#include <");
                   1168:                outflags &= ~MMAN_spc;
                   1169:        } else {
                   1170:                print_word("<");
                   1171:                outflags &= ~MMAN_spc;
                   1172:                font_push('I');
                   1173:        }
1.15      schwarze 1174:        return(1);
                   1175: }
                   1176:
                   1177: static void
                   1178: post_in(DECL_ARGS)
                   1179: {
                   1180:
                   1181:        if (MDOC_SYNPRETTY & n->flags) {
1.26      schwarze 1182:                outflags &= ~MMAN_spc;
                   1183:                print_word(">");
                   1184:                font_pop();
1.21      schwarze 1185:                outflags |= MMAN_br;
1.26      schwarze 1186:        } else {
                   1187:                font_pop();
                   1188:                outflags &= ~MMAN_spc;
                   1189:                print_word(">");
                   1190:        }
1.1       schwarze 1191: }
                   1192:
                   1193: static int
                   1194: pre_it(DECL_ARGS)
                   1195: {
                   1196:        const struct mdoc_node *bln;
                   1197:
1.30      schwarze 1198:        switch (n->type) {
                   1199:        case (MDOC_HEAD):
1.36      schwarze 1200:                outflags |= MMAN_PP | MMAN_nl;
1.30      schwarze 1201:                bln = n->parent->parent;
1.36      schwarze 1202:                if (0 == bln->norm->Bl.comp ||
1.39      schwarze 1203:                    (NULL == n->parent->prev &&
                   1204:                     NULL == bln->parent->prev))
1.36      schwarze 1205:                        outflags |= MMAN_sp;
                   1206:                outflags &= ~MMAN_br;
1.3       schwarze 1207:                switch (bln->norm->Bl.type) {
1.30      schwarze 1208:                case (LIST_item):
                   1209:                        return(0);
                   1210:                case (LIST_inset):
                   1211:                        /* FALLTHROUGH */
                   1212:                case (LIST_diag):
                   1213:                        /* FALLTHROUGH */
                   1214:                case (LIST_ohang):
                   1215:                        if (bln->norm->Bl.type == LIST_diag)
1.36      schwarze 1216:                                print_line(".B \"", 0);
1.30      schwarze 1217:                        else
1.36      schwarze 1218:                                print_line(".R \"", 0);
1.30      schwarze 1219:                        outflags &= ~MMAN_spc;
                   1220:                        return(1);
1.3       schwarze 1221:                case (LIST_bullet):
1.30      schwarze 1222:                        /* FALLTHROUGH */
                   1223:                case (LIST_dash):
                   1224:                        /* FALLTHROUGH */
                   1225:                case (LIST_hyphen):
1.35      schwarze 1226:                        print_width(bln->norm->Bl.width, NULL, 0);
1.37      schwarze 1227:                        TPremain = 0;
1.30      schwarze 1228:                        outflags |= MMAN_nl;
                   1229:                        font_push('B');
                   1230:                        if (LIST_bullet == bln->norm->Bl.type)
                   1231:                                print_word("o");
                   1232:                        else
                   1233:                                print_word("-");
                   1234:                        font_pop();
                   1235:                        break;
                   1236:                case (LIST_enum):
1.35      schwarze 1237:                        print_width(bln->norm->Bl.width, NULL, 0);
1.37      schwarze 1238:                        TPremain = 0;
1.30      schwarze 1239:                        outflags |= MMAN_nl;
                   1240:                        print_count(&bln->norm->Bl.count);
1.3       schwarze 1241:                        break;
1.31      schwarze 1242:                case (LIST_hang):
1.35      schwarze 1243:                        print_width(bln->norm->Bl.width, n->child, 6);
1.37      schwarze 1244:                        TPremain = 0;
1.32      schwarze 1245:                        break;
                   1246:                case (LIST_tag):
1.37      schwarze 1247:                        print_width(bln->norm->Bl.width, n->child, 0);
                   1248:                        putchar('\n');
                   1249:                        outflags &= ~MMAN_spc;
                   1250:                        return(1);
1.3       schwarze 1251:                default:
1.32      schwarze 1252:                        return(1);
1.3       schwarze 1253:                }
1.20      schwarze 1254:                outflags |= MMAN_nl;
1.30      schwarze 1255:        default:
                   1256:                break;
1.1       schwarze 1257:        }
                   1258:        return(1);
1.30      schwarze 1259: }
                   1260:
1.47    ! schwarze 1261: /*
        !          1262:  * This function is called after closing out an indented block.
        !          1263:  * If we are inside an enclosing list, restore its indentation.
        !          1264:  */
        !          1265: static void
        !          1266: mid_it(void)
        !          1267: {
        !          1268:        char             buf[24];
        !          1269:
        !          1270:        /* Nothing to do outside a list. */
        !          1271:        if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
        !          1272:                return;
        !          1273:
        !          1274:        /* The indentation has already been set up. */
        !          1275:        if (Bl_stack_post[Bl_stack_len - 1])
        !          1276:                return;
        !          1277:
        !          1278:        /* Restore the indentation of the enclosing list. */
        !          1279:        print_line(".RS", MMAN_Bk_susp);
        !          1280:        snprintf(buf, sizeof(buf), "%ldn", Bl_stack[Bl_stack_len - 1]);
        !          1281:        print_word(buf);
        !          1282:
        !          1283:        /* Remeber to close out this .RS block later. */
        !          1284:        Bl_stack_post[Bl_stack_len - 1] = 1;
        !          1285: }
        !          1286:
1.30      schwarze 1287: static void
                   1288: post_it(DECL_ARGS)
                   1289: {
                   1290:        const struct mdoc_node *bln;
                   1291:
1.33      schwarze 1292:        bln = n->parent->parent;
                   1293:
                   1294:        switch (n->type) {
                   1295:        case (MDOC_HEAD):
1.30      schwarze 1296:                switch (bln->norm->Bl.type) {
                   1297:                case (LIST_diag):
                   1298:                        outflags &= ~MMAN_spc;
                   1299:                        print_word("\\ ");
                   1300:                        break;
                   1301:                case (LIST_ohang):
                   1302:                        outflags |= MMAN_br;
                   1303:                        break;
                   1304:                default:
                   1305:                        break;
                   1306:                }
1.33      schwarze 1307:                break;
                   1308:        case (MDOC_BODY):
1.43      schwarze 1309:                switch (bln->norm->Bl.type) {
                   1310:                case (LIST_bullet):
                   1311:                        /* FALLTHROUGH */
                   1312:                case (LIST_dash):
                   1313:                        /* FALLTHROUGH */
                   1314:                case (LIST_hyphen):
                   1315:                        /* FALLTHROUGH */
                   1316:                case (LIST_enum):
                   1317:                        /* FALLTHROUGH */
                   1318:                case (LIST_hang):
                   1319:                        /* FALLTHROUGH */
                   1320:                case (LIST_tag):
                   1321:                        assert(Bl_stack_len);
                   1322:                        Bl_stack[--Bl_stack_len] = 0;
                   1323:
                   1324:                        /*
                   1325:                         * Our indentation had to be restored
1.47    ! schwarze 1326:                         * after a child display or child list.
1.43      schwarze 1327:                         * Close out that indentation block now.
                   1328:                         */
                   1329:                        if (Bl_stack_post[Bl_stack_len]) {
                   1330:                                print_line(".RE", MMAN_nl);
                   1331:                                Bl_stack_post[Bl_stack_len] = 0;
                   1332:                        }
                   1333:                        break;
                   1334:                case (LIST_column):
                   1335:                        if (NULL != n->next) {
                   1336:                                putchar('\t');
                   1337:                                outflags &= ~MMAN_spc;
                   1338:                        }
                   1339:                        break;
                   1340:                default:
                   1341:                        break;
1.33      schwarze 1342:                }
                   1343:                break;
                   1344:        default:
                   1345:                break;
1.30      schwarze 1346:        }
1.14      schwarze 1347: }
                   1348:
                   1349: static void
                   1350: post_lb(DECL_ARGS)
                   1351: {
                   1352:
1.21      schwarze 1353:        if (SEC_LIBRARY == n->sec)
                   1354:                outflags |= MMAN_br;
1.24      schwarze 1355: }
                   1356:
                   1357: static int
                   1358: pre_lk(DECL_ARGS)
                   1359: {
                   1360:        const struct mdoc_node *link, *descr;
                   1361:
                   1362:        if (NULL == (link = n->child))
                   1363:                return(0);
                   1364:
                   1365:        if (NULL != (descr = link->next)) {
1.26      schwarze 1366:                font_push('I');
1.24      schwarze 1367:                while (NULL != descr) {
                   1368:                        print_word(descr->string);
                   1369:                        descr = descr->next;
                   1370:                }
                   1371:                print_word(":");
1.26      schwarze 1372:                font_pop();
1.24      schwarze 1373:        }
                   1374:
1.26      schwarze 1375:        font_push('B');
1.24      schwarze 1376:        print_word(link->string);
1.26      schwarze 1377:        font_pop();
1.24      schwarze 1378:        return(0);
1.1       schwarze 1379: }
                   1380:
                   1381: static int
1.26      schwarze 1382: pre_li(DECL_ARGS)
                   1383: {
                   1384:
                   1385:        font_push('R');
                   1386:        return(1);
                   1387: }
                   1388:
                   1389: static int
1.1       schwarze 1390: pre_nm(DECL_ARGS)
                   1391: {
1.38      schwarze 1392:        char    *name;
1.1       schwarze 1393:
1.23      schwarze 1394:        if (MDOC_BLOCK == n->type)
                   1395:                pre_syn(n);
1.1       schwarze 1396:        if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
                   1397:                return(1);
1.42      schwarze 1398:        name = n->child ? n->child->string : meta->name;
1.38      schwarze 1399:        if (NULL == name)
1.23      schwarze 1400:                return(0);
1.38      schwarze 1401:        if (MDOC_HEAD == n->type) {
                   1402:                if (NULL == n->parent->prev)
                   1403:                        outflags |= MMAN_sp;
                   1404:                print_block(".HP", 0);
                   1405:                printf(" %ldn", strlen(name) + 1);
                   1406:                outflags |= MMAN_nl;
                   1407:        }
1.26      schwarze 1408:        font_push('B');
1.1       schwarze 1409:        if (NULL == n->child)
1.42      schwarze 1410:                print_word(meta->name);
1.1       schwarze 1411:        return(1);
                   1412: }
                   1413:
                   1414: static void
                   1415: post_nm(DECL_ARGS)
                   1416: {
                   1417:
                   1418:        if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
                   1419:                return;
1.26      schwarze 1420:        font_pop();
1.25      schwarze 1421: }
                   1422:
                   1423: static int
                   1424: pre_no(DECL_ARGS)
                   1425: {
                   1426:
                   1427:        outflags |= MMAN_spc_force;
                   1428:        return(1);
1.1       schwarze 1429: }
                   1430:
                   1431: static int
                   1432: pre_ns(DECL_ARGS)
                   1433: {
                   1434:
1.20      schwarze 1435:        outflags &= ~MMAN_spc;
1.1       schwarze 1436:        return(0);
                   1437: }
                   1438:
1.3       schwarze 1439: static void
                   1440: post_pf(DECL_ARGS)
                   1441: {
                   1442:
1.20      schwarze 1443:        outflags &= ~MMAN_spc;
1.3       schwarze 1444: }
                   1445:
1.1       schwarze 1446: static int
                   1447: pre_pp(DECL_ARGS)
                   1448: {
                   1449:
1.36      schwarze 1450:        if (MDOC_It != n->parent->tok)
                   1451:                outflags |= MMAN_PP;
                   1452:        outflags |= MMAN_sp | MMAN_nl;
                   1453:        outflags &= ~MMAN_br;
1.34      schwarze 1454:        return(0);
                   1455: }
                   1456:
                   1457: static int
                   1458: pre_rs(DECL_ARGS)
                   1459: {
                   1460:
                   1461:        if (SEC_SEE_ALSO == n->sec) {
1.36      schwarze 1462:                outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
                   1463:                outflags &= ~MMAN_br;
1.34      schwarze 1464:        }
                   1465:        return(1);
1.12      schwarze 1466: }
                   1467:
                   1468: static int
                   1469: pre_sm(DECL_ARGS)
                   1470: {
                   1471:
                   1472:        assert(n->child && MDOC_TEXT == n->child->type);
                   1473:        if (0 == strcmp("on", n->child->string))
1.27      schwarze 1474:                outflags |= MMAN_Sm | MMAN_spc;
1.12      schwarze 1475:        else
1.20      schwarze 1476:                outflags &= ~MMAN_Sm;
1.12      schwarze 1477:        return(0);
1.1       schwarze 1478: }
                   1479:
                   1480: static int
1.3       schwarze 1481: pre_sp(DECL_ARGS)
1.1       schwarze 1482: {
                   1483:
1.41      schwarze 1484:        if (MMAN_PP & outflags) {
                   1485:                outflags &= ~MMAN_PP;
1.40      schwarze 1486:                print_line(".PP", 0);
1.41      schwarze 1487:        } else
1.40      schwarze 1488:                print_line(".sp", 0);
1.1       schwarze 1489:        return(1);
                   1490: }
                   1491:
                   1492: static void
1.3       schwarze 1493: post_sp(DECL_ARGS)
1.1       schwarze 1494: {
                   1495:
1.20      schwarze 1496:        outflags |= MMAN_nl;
1.18      schwarze 1497: }
                   1498:
                   1499: static int
1.26      schwarze 1500: pre_sy(DECL_ARGS)
                   1501: {
                   1502:
                   1503:        font_push('B');
                   1504:        return(1);
                   1505: }
                   1506:
                   1507: static int
1.18      schwarze 1508: pre_vt(DECL_ARGS)
                   1509: {
                   1510:
                   1511:        if (MDOC_SYNPRETTY & n->flags) {
                   1512:                switch (n->type) {
                   1513:                case (MDOC_BLOCK):
1.23      schwarze 1514:                        pre_syn(n);
1.18      schwarze 1515:                        return(1);
                   1516:                case (MDOC_BODY):
                   1517:                        break;
                   1518:                default:
                   1519:                        return(0);
                   1520:                }
                   1521:        }
1.26      schwarze 1522:        font_push('I');
1.18      schwarze 1523:        return(1);
                   1524: }
                   1525:
                   1526: static void
                   1527: post_vt(DECL_ARGS)
                   1528: {
                   1529:
1.19      schwarze 1530:        if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.18      schwarze 1531:                return;
1.26      schwarze 1532:        font_pop();
1.1       schwarze 1533: }
                   1534:
                   1535: static int
                   1536: pre_xr(DECL_ARGS)
                   1537: {
                   1538:
                   1539:        n = n->child;
                   1540:        if (NULL == n)
                   1541:                return(0);
1.42      schwarze 1542:        print_node(meta, n);
1.1       schwarze 1543:        n = n->next;
                   1544:        if (NULL == n)
                   1545:                return(0);
1.20      schwarze 1546:        outflags &= ~MMAN_spc;
                   1547:        print_word("(");
1.42      schwarze 1548:        print_node(meta, n);
1.20      schwarze 1549:        print_word(")");
1.1       schwarze 1550:        return(0);
1.8       schwarze 1551: }
                   1552:
                   1553: static int
                   1554: pre_ux(DECL_ARGS)
                   1555: {
                   1556:
1.20      schwarze 1557:        print_word(manacts[n->tok].prefix);
1.8       schwarze 1558:        if (NULL == n->child)
                   1559:                return(0);
1.20      schwarze 1560:        outflags &= ~MMAN_spc;
1.45      schwarze 1561:        print_word("\\ ");
1.20      schwarze 1562:        outflags &= ~MMAN_spc;
1.8       schwarze 1563:        return(1);
1.1       schwarze 1564: }

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