1792 lines
36 KiB
C
1792 lines
36 KiB
C
/* $Id: mdoc_man.c,v 1.77 2014/11/30 05:29:00 schwarze Exp $ */
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/*
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* Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <sys/types.h>
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include "mandoc.h"
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#include "mandoc_aux.h"
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#include "out.h"
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#include "man.h"
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#include "mdoc.h"
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#include "main.h"
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#define DECL_ARGS const struct mdoc_meta *meta, \
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const struct mdoc_node *n
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struct manact {
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int (*cond)(DECL_ARGS); /* DON'T run actions */
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int (*pre)(DECL_ARGS); /* pre-node action */
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void (*post)(DECL_ARGS); /* post-node action */
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const char *prefix; /* pre-node string constant */
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const char *suffix; /* post-node string constant */
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};
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static int cond_body(DECL_ARGS);
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static int cond_head(DECL_ARGS);
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static void font_push(char);
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static void font_pop(void);
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static void mid_it(void);
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static void post__t(DECL_ARGS);
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static void post_aq(DECL_ARGS);
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static void post_bd(DECL_ARGS);
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static void post_bf(DECL_ARGS);
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static void post_bk(DECL_ARGS);
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static void post_bl(DECL_ARGS);
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static void post_dl(DECL_ARGS);
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static void post_en(DECL_ARGS);
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static void post_enc(DECL_ARGS);
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static void post_eo(DECL_ARGS);
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static void post_fa(DECL_ARGS);
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static void post_fd(DECL_ARGS);
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static void post_fl(DECL_ARGS);
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static void post_fn(DECL_ARGS);
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static void post_fo(DECL_ARGS);
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static void post_font(DECL_ARGS);
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static void post_in(DECL_ARGS);
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static void post_it(DECL_ARGS);
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static void post_lb(DECL_ARGS);
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static void post_nm(DECL_ARGS);
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static void post_percent(DECL_ARGS);
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static void post_pf(DECL_ARGS);
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static void post_sect(DECL_ARGS);
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static void post_sp(DECL_ARGS);
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static void post_vt(DECL_ARGS);
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static int pre__t(DECL_ARGS);
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static int pre_an(DECL_ARGS);
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static int pre_ap(DECL_ARGS);
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static int pre_aq(DECL_ARGS);
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static int pre_bd(DECL_ARGS);
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static int pre_bf(DECL_ARGS);
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static int pre_bk(DECL_ARGS);
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static int pre_bl(DECL_ARGS);
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static int pre_br(DECL_ARGS);
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static int pre_bx(DECL_ARGS);
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static int pre_dl(DECL_ARGS);
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static int pre_en(DECL_ARGS);
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static int pre_enc(DECL_ARGS);
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static int pre_em(DECL_ARGS);
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static int pre_skip(DECL_ARGS);
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static int pre_eo(DECL_ARGS);
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static int pre_ex(DECL_ARGS);
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static int pre_fa(DECL_ARGS);
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static int pre_fd(DECL_ARGS);
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static int pre_fl(DECL_ARGS);
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static int pre_fn(DECL_ARGS);
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static int pre_fo(DECL_ARGS);
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static int pre_ft(DECL_ARGS);
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static int pre_in(DECL_ARGS);
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static int pre_it(DECL_ARGS);
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static int pre_lk(DECL_ARGS);
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static int pre_li(DECL_ARGS);
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static int pre_ll(DECL_ARGS);
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static int pre_nm(DECL_ARGS);
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static int pre_no(DECL_ARGS);
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static int pre_ns(DECL_ARGS);
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static int pre_pp(DECL_ARGS);
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static int pre_rs(DECL_ARGS);
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static int pre_rv(DECL_ARGS);
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static int pre_sm(DECL_ARGS);
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static int pre_sp(DECL_ARGS);
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static int pre_sect(DECL_ARGS);
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static int pre_sy(DECL_ARGS);
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static void pre_syn(const struct mdoc_node *);
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static int pre_vt(DECL_ARGS);
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static int pre_ux(DECL_ARGS);
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static int pre_xr(DECL_ARGS);
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static void print_word(const char *);
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static void print_line(const char *, int);
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static void print_block(const char *, int);
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static void print_offs(const char *, int);
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static void print_width(const char *,
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const struct mdoc_node *, size_t);
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static void print_count(int *);
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static void print_node(DECL_ARGS);
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static const struct manact manacts[MDOC_MAX + 1] = {
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{ NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
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{ NULL, NULL, NULL, NULL, NULL }, /* Dd */
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{ NULL, NULL, NULL, NULL, NULL }, /* Dt */
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{ NULL, NULL, NULL, NULL, NULL }, /* Os */
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{ NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
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{ NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
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{ NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
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{ cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
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{ cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
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{ cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
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{ NULL, NULL, NULL, NULL, NULL }, /* Ed */
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{ cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
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{ NULL, NULL, NULL, NULL, NULL }, /* El */
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{ NULL, pre_it, post_it, NULL, NULL }, /* It */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Ad */
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{ NULL, pre_an, NULL, NULL, NULL }, /* An */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Ar */
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{ NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
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{ NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
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{ NULL, pre_li, post_font, NULL, NULL }, /* Dv */
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{ NULL, pre_li, post_font, NULL, NULL }, /* Er */
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{ NULL, pre_li, post_font, NULL, NULL }, /* Ev */
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{ NULL, pre_ex, NULL, NULL, NULL }, /* Ex */
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{ NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
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{ NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
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{ NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
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{ NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
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{ NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
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{ NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
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{ NULL, pre_in, post_in, NULL, NULL }, /* In */
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{ NULL, pre_li, post_font, NULL, NULL }, /* Li */
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{ cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
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{ NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
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{ cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
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{ NULL, pre_ft, post_font, NULL, NULL }, /* Ot */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Pa */
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{ NULL, pre_rv, NULL, NULL, NULL }, /* Rv */
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{ NULL, NULL, NULL, NULL, NULL }, /* St */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Va */
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{ NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
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{ NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %A */
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{ NULL, pre_em, post_percent, NULL, NULL }, /* %B */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %D */
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{ NULL, pre_em, post_percent, NULL, NULL }, /* %I */
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{ NULL, pre_em, post_percent, NULL, NULL }, /* %J */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %N */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %O */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %P */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %R */
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{ NULL, pre__t, post__t, NULL, NULL }, /* %T */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %V */
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{ NULL, NULL, NULL, NULL, NULL }, /* Ac */
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{ cond_body, pre_aq, post_aq, NULL, NULL }, /* Ao */
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{ cond_body, pre_aq, post_aq, NULL, NULL }, /* Aq */
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{ NULL, NULL, NULL, NULL, NULL }, /* At */
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{ NULL, NULL, NULL, NULL, NULL }, /* Bc */
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{ NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
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{ cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
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{ cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
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{ NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
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{ NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
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{ NULL, pre_skip, NULL, NULL, NULL }, /* Db */
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{ NULL, NULL, NULL, NULL, NULL }, /* Dc */
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{ cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
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{ cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
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{ NULL, NULL, NULL, NULL, NULL }, /* Ec */
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{ NULL, NULL, NULL, NULL, NULL }, /* Ef */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Em */
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{ cond_body, pre_eo, post_eo, NULL, NULL }, /* Eo */
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{ NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
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{ NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
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{ NULL, pre_no, NULL, NULL, NULL }, /* No */
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{ NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
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{ NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
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{ NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
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{ NULL, NULL, NULL, NULL, NULL }, /* Pc */
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{ NULL, NULL, post_pf, NULL, NULL }, /* Pf */
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{ cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
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{ cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
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{ NULL, NULL, NULL, NULL, NULL }, /* Qc */
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{ cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
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{ cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
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{ cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
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{ NULL, NULL, NULL, NULL, NULL }, /* Re */
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{ cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
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{ NULL, NULL, NULL, NULL, NULL }, /* Sc */
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{ cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
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{ cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
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{ NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Sx */
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{ NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
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{ NULL, pre_li, post_font, NULL, NULL }, /* Tn */
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{ NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
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{ NULL, NULL, NULL, NULL, NULL }, /* Xc */
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{ NULL, NULL, NULL, NULL, NULL }, /* Xo */
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{ NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
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{ NULL, NULL, NULL, NULL, NULL }, /* Fc */
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{ cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
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{ NULL, NULL, NULL, NULL, NULL }, /* Oc */
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{ NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
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{ NULL, NULL, NULL, NULL, NULL }, /* Ek */
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{ NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
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{ NULL, NULL, NULL, NULL, NULL }, /* Hf */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Fr */
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{ NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
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{ NULL, NULL, post_lb, NULL, NULL }, /* Lb */
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{ NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
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{ NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
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{ NULL, pre_em, post_font, NULL, NULL }, /* Mt */
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{ cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
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{ cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
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{ NULL, NULL, NULL, NULL, NULL }, /* Brc */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %C */
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{ NULL, pre_skip, NULL, NULL, NULL }, /* Es */
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{ cond_body, pre_en, post_en, NULL, NULL }, /* En */
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{ NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %Q */
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{ NULL, pre_br, NULL, NULL, NULL }, /* br */
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{ NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
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{ NULL, NULL, post_percent, NULL, NULL }, /* %U */
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{ NULL, NULL, NULL, NULL, NULL }, /* Ta */
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{ NULL, pre_ll, post_sp, NULL, NULL }, /* ll */
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{ NULL, NULL, NULL, NULL, NULL }, /* ROOT */
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};
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static int outflags;
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#define MMAN_spc (1 << 0) /* blank character before next word */
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#define MMAN_spc_force (1 << 1) /* even before trailing punctuation */
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#define MMAN_nl (1 << 2) /* break man(7) code line */
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#define MMAN_br (1 << 3) /* break output line */
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#define MMAN_sp (1 << 4) /* insert a blank output line */
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#define MMAN_PP (1 << 5) /* reset indentation etc. */
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#define MMAN_Sm (1 << 6) /* horizontal spacing mode */
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#define MMAN_Bk (1 << 7) /* word keep mode */
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#define MMAN_Bk_susp (1 << 8) /* suspend this (after a macro) */
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#define MMAN_An_split (1 << 9) /* author mode is "split" */
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#define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
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#define MMAN_PD (1 << 11) /* inter-paragraph spacing disabled */
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#define MMAN_nbrword (1 << 12) /* do not break the next word */
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#define BL_STACK_MAX 32
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static size_t Bl_stack[BL_STACK_MAX]; /* offsets [chars] */
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static int Bl_stack_post[BL_STACK_MAX]; /* add final .RE */
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static int Bl_stack_len; /* number of nested Bl blocks */
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static int TPremain; /* characters before tag is full */
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static struct {
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char *head;
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char *tail;
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size_t size;
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} fontqueue;
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static void
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font_push(char newfont)
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{
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if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
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fontqueue.size += 8;
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fontqueue.head = mandoc_realloc(fontqueue.head,
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fontqueue.size);
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}
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*fontqueue.tail = newfont;
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print_word("");
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printf("\\f");
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putchar(newfont);
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outflags &= ~MMAN_spc;
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}
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static void
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font_pop(void)
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{
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if (fontqueue.tail > fontqueue.head)
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fontqueue.tail--;
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outflags &= ~MMAN_spc;
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print_word("");
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printf("\\f");
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putchar(*fontqueue.tail);
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}
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static void
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print_word(const char *s)
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{
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if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
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/*
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* If we need a newline, print it now and start afresh.
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*/
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if (MMAN_PP & outflags) {
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if (MMAN_sp & outflags) {
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if (MMAN_PD & outflags) {
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printf("\n.PD");
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outflags &= ~MMAN_PD;
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}
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} else if ( ! (MMAN_PD & outflags)) {
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printf("\n.PD 0");
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outflags |= MMAN_PD;
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}
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printf("\n.PP\n");
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} else if (MMAN_sp & outflags)
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printf("\n.sp\n");
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else if (MMAN_br & outflags)
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printf("\n.br\n");
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else if (MMAN_nl & outflags)
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putchar('\n');
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outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
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if (1 == TPremain)
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printf(".br\n");
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TPremain = 0;
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} else if (MMAN_spc & outflags) {
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/*
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* If we need a space, only print it if
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* (1) it is forced by `No' or
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* (2) what follows is not terminating punctuation or
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* (3) what follows is longer than one character.
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*/
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if (MMAN_spc_force & outflags || '\0' == s[0] ||
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NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
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if (MMAN_Bk & outflags &&
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! (MMAN_Bk_susp & outflags))
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putchar('\\');
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putchar(' ');
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if (TPremain)
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TPremain--;
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}
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}
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/*
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* Reassign needing space if we're not following opening
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* punctuation.
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*/
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if (MMAN_Sm & outflags && ('\0' == s[0] ||
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(('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
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outflags |= MMAN_spc;
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else
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outflags &= ~MMAN_spc;
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outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
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for ( ; *s; s++) {
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switch (*s) {
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case ASCII_NBRSP:
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printf("\\ ");
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break;
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case ASCII_HYPH:
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putchar('-');
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break;
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case ASCII_BREAK:
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printf("\\:");
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break;
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case ' ':
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if (MMAN_nbrword & outflags) {
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printf("\\ ");
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break;
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}
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/* FALLTHROUGH */
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default:
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putchar((unsigned char)*s);
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break;
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}
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if (TPremain)
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TPremain--;
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}
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outflags &= ~MMAN_nbrword;
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}
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static void
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print_line(const char *s, int newflags)
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{
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outflags &= ~MMAN_br;
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outflags |= MMAN_nl;
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print_word(s);
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outflags |= newflags;
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}
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static void
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print_block(const char *s, int newflags)
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{
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outflags &= ~MMAN_PP;
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if (MMAN_sp & outflags) {
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outflags &= ~(MMAN_sp | MMAN_br);
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if (MMAN_PD & outflags) {
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print_line(".PD", 0);
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outflags &= ~MMAN_PD;
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}
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} else if (! (MMAN_PD & outflags))
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print_line(".PD 0", MMAN_PD);
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outflags |= MMAN_nl;
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print_word(s);
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outflags |= MMAN_Bk_susp | newflags;
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}
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static void
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print_offs(const char *v, int keywords)
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{
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char buf[24];
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struct roffsu su;
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size_t sz;
|
|
|
|
print_line(".RS", MMAN_Bk_susp);
|
|
|
|
/* Convert v into a number (of characters). */
|
|
if (NULL == v || '\0' == *v || (keywords && !strcmp(v, "left")))
|
|
sz = 0;
|
|
else if (keywords && !strcmp(v, "indent"))
|
|
sz = 6;
|
|
else if (keywords && !strcmp(v, "indent-two"))
|
|
sz = 12;
|
|
else if (a2roffsu(v, &su, SCALE_MAX)) {
|
|
if (SCALE_EN == su.unit)
|
|
sz = su.scale;
|
|
else {
|
|
/*
|
|
* XXX
|
|
* If we are inside an enclosing list,
|
|
* there is no easy way to add the two
|
|
* indentations because they are provided
|
|
* in terms of different units.
|
|
*/
|
|
print_word(v);
|
|
outflags |= MMAN_nl;
|
|
return;
|
|
}
|
|
} else
|
|
sz = strlen(v);
|
|
|
|
/*
|
|
* We are inside an enclosing list.
|
|
* Add the two indentations.
|
|
*/
|
|
if (Bl_stack_len)
|
|
sz += Bl_stack[Bl_stack_len - 1];
|
|
|
|
(void)snprintf(buf, sizeof(buf), "%zun", sz);
|
|
print_word(buf);
|
|
outflags |= MMAN_nl;
|
|
}
|
|
|
|
/*
|
|
* Set up the indentation for a list item; used from pre_it().
|
|
*/
|
|
static void
|
|
print_width(const char *v, const struct mdoc_node *child, size_t defsz)
|
|
{
|
|
char buf[24];
|
|
struct roffsu su;
|
|
size_t sz, chsz;
|
|
int numeric, remain;
|
|
|
|
numeric = 1;
|
|
remain = 0;
|
|
|
|
/* Convert v into a number (of characters). */
|
|
if (NULL == v)
|
|
sz = defsz;
|
|
else if (a2roffsu(v, &su, SCALE_MAX)) {
|
|
if (SCALE_EN == su.unit)
|
|
sz = su.scale;
|
|
else {
|
|
sz = 0;
|
|
numeric = 0;
|
|
}
|
|
} else
|
|
sz = strlen(v);
|
|
|
|
/* XXX Rough estimation, might have multiple parts. */
|
|
chsz = (NULL != child && MDOC_TEXT == child->type) ?
|
|
strlen(child->string) : 0;
|
|
|
|
/* Maybe we are inside an enclosing list? */
|
|
mid_it();
|
|
|
|
/*
|
|
* Save our own indentation,
|
|
* such that child lists can use it.
|
|
*/
|
|
Bl_stack[Bl_stack_len++] = sz + 2;
|
|
|
|
/* Set up the current list. */
|
|
if (defsz && chsz > sz)
|
|
print_block(".HP", 0);
|
|
else {
|
|
print_block(".TP", 0);
|
|
remain = sz + 2;
|
|
}
|
|
if (numeric) {
|
|
(void)snprintf(buf, sizeof(buf), "%zun", sz + 2);
|
|
print_word(buf);
|
|
} else
|
|
print_word(v);
|
|
TPremain = remain;
|
|
}
|
|
|
|
static void
|
|
print_count(int *count)
|
|
{
|
|
char buf[24];
|
|
|
|
(void)snprintf(buf, sizeof(buf), "%d.", ++*count);
|
|
print_word(buf);
|
|
}
|
|
|
|
void
|
|
man_man(void *arg, const struct man *man)
|
|
{
|
|
|
|
/*
|
|
* Dump the keep buffer.
|
|
* We're guaranteed by now that this exists (is non-NULL).
|
|
* Flush stdout afterward, just in case.
|
|
*/
|
|
fputs(mparse_getkeep(man_mparse(man)), stdout);
|
|
fflush(stdout);
|
|
}
|
|
|
|
void
|
|
man_mdoc(void *arg, const struct mdoc *mdoc)
|
|
{
|
|
const struct mdoc_meta *meta;
|
|
const struct mdoc_node *n;
|
|
|
|
meta = mdoc_meta(mdoc);
|
|
n = mdoc_node(mdoc);
|
|
|
|
printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
|
|
meta->title,
|
|
(meta->msec == NULL ? "" : meta->msec),
|
|
meta->date, meta->os, meta->vol);
|
|
|
|
/* Disable hyphenation and if nroff, disable justification. */
|
|
printf(".nh\n.if n .ad l");
|
|
|
|
outflags = MMAN_nl | MMAN_Sm;
|
|
if (0 == fontqueue.size) {
|
|
fontqueue.size = 8;
|
|
fontqueue.head = fontqueue.tail = mandoc_malloc(8);
|
|
*fontqueue.tail = 'R';
|
|
}
|
|
print_node(meta, n);
|
|
putchar('\n');
|
|
}
|
|
|
|
static void
|
|
print_node(DECL_ARGS)
|
|
{
|
|
const struct mdoc_node *sub;
|
|
const struct manact *act;
|
|
int cond, do_sub;
|
|
|
|
/*
|
|
* Break the line if we were parsed subsequent the current node.
|
|
* This makes the page structure be more consistent.
|
|
*/
|
|
if (MMAN_spc & outflags && MDOC_LINE & n->flags)
|
|
outflags |= MMAN_nl;
|
|
|
|
act = NULL;
|
|
cond = 0;
|
|
do_sub = 1;
|
|
|
|
if (MDOC_TEXT == n->type) {
|
|
/*
|
|
* Make sure that we don't happen to start with a
|
|
* control character at the start of a line.
|
|
*/
|
|
if (MMAN_nl & outflags &&
|
|
('.' == *n->string || '\'' == *n->string)) {
|
|
print_word("");
|
|
printf("\\&");
|
|
outflags &= ~MMAN_spc;
|
|
}
|
|
if (outflags & MMAN_Sm && ! (n->flags & MDOC_DELIMC))
|
|
outflags |= MMAN_spc_force;
|
|
print_word(n->string);
|
|
if (outflags & MMAN_Sm && ! (n->flags & MDOC_DELIMO))
|
|
outflags |= MMAN_spc;
|
|
} else {
|
|
/*
|
|
* Conditionally run the pre-node action handler for a
|
|
* node.
|
|
*/
|
|
act = manacts + n->tok;
|
|
cond = act->cond == NULL || (*act->cond)(meta, n);
|
|
if (cond && act->pre && (n->end == ENDBODY_NOT || n->nchild))
|
|
do_sub = (*act->pre)(meta, n);
|
|
}
|
|
|
|
/*
|
|
* Conditionally run all child nodes.
|
|
* Note that this iterates over children instead of using
|
|
* recursion. This prevents unnecessary depth in the stack.
|
|
*/
|
|
if (do_sub)
|
|
for (sub = n->child; sub; sub = sub->next)
|
|
print_node(meta, sub);
|
|
|
|
/*
|
|
* Lastly, conditionally run the post-node handler.
|
|
*/
|
|
if (MDOC_ENDED & n->flags)
|
|
return;
|
|
|
|
if (cond && act->post)
|
|
(*act->post)(meta, n);
|
|
|
|
if (ENDBODY_NOT != n->end)
|
|
n->pending->flags |= MDOC_ENDED;
|
|
|
|
if (ENDBODY_NOSPACE == n->end)
|
|
outflags &= ~(MMAN_spc | MMAN_nl);
|
|
}
|
|
|
|
static int
|
|
cond_head(DECL_ARGS)
|
|
{
|
|
|
|
return(MDOC_HEAD == n->type);
|
|
}
|
|
|
|
static int
|
|
cond_body(DECL_ARGS)
|
|
{
|
|
|
|
return(MDOC_BODY == n->type);
|
|
}
|
|
|
|
static int
|
|
pre_enc(DECL_ARGS)
|
|
{
|
|
const char *prefix;
|
|
|
|
prefix = manacts[n->tok].prefix;
|
|
if (NULL == prefix)
|
|
return(1);
|
|
print_word(prefix);
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_enc(DECL_ARGS)
|
|
{
|
|
const char *suffix;
|
|
|
|
suffix = manacts[n->tok].suffix;
|
|
if (NULL == suffix)
|
|
return;
|
|
outflags &= ~(MMAN_spc | MMAN_nl);
|
|
print_word(suffix);
|
|
}
|
|
|
|
static int
|
|
pre_ex(DECL_ARGS)
|
|
{
|
|
int nchild;
|
|
|
|
outflags |= MMAN_br | MMAN_nl;
|
|
|
|
print_word("The");
|
|
|
|
nchild = n->nchild;
|
|
for (n = n->child; n; n = n->next) {
|
|
font_push('B');
|
|
print_word(n->string);
|
|
font_pop();
|
|
|
|
if (n->next == NULL)
|
|
continue;
|
|
|
|
if (nchild > 2) {
|
|
outflags &= ~MMAN_spc;
|
|
print_word(",");
|
|
}
|
|
if (n->next->next == NULL)
|
|
print_word("and");
|
|
}
|
|
|
|
if (nchild > 1)
|
|
print_word("utilities exit\\~0");
|
|
else
|
|
print_word("utility exits\\~0");
|
|
|
|
print_word("on success, and\\~>0 if an error occurs.");
|
|
outflags |= MMAN_nl;
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
post_font(DECL_ARGS)
|
|
{
|
|
|
|
font_pop();
|
|
}
|
|
|
|
static void
|
|
post_percent(DECL_ARGS)
|
|
{
|
|
|
|
if (pre_em == manacts[n->tok].pre)
|
|
font_pop();
|
|
if (n->next) {
|
|
print_word(",");
|
|
if (n->prev && n->prev->tok == n->tok &&
|
|
n->next->tok == n->tok)
|
|
print_word("and");
|
|
} else {
|
|
print_word(".");
|
|
outflags |= MMAN_nl;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre__t(DECL_ARGS)
|
|
{
|
|
|
|
if (n->parent && MDOC_Rs == n->parent->tok &&
|
|
n->parent->norm->Rs.quote_T) {
|
|
print_word("");
|
|
putchar('\"');
|
|
outflags &= ~MMAN_spc;
|
|
} else
|
|
font_push('I');
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post__t(DECL_ARGS)
|
|
{
|
|
|
|
if (n->parent && MDOC_Rs == n->parent->tok &&
|
|
n->parent->norm->Rs.quote_T) {
|
|
outflags &= ~MMAN_spc;
|
|
print_word("");
|
|
putchar('\"');
|
|
} else
|
|
font_pop();
|
|
post_percent(meta, n);
|
|
}
|
|
|
|
/*
|
|
* Print before a section header.
|
|
*/
|
|
static int
|
|
pre_sect(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_HEAD == n->type) {
|
|
outflags |= MMAN_sp;
|
|
print_block(manacts[n->tok].prefix, 0);
|
|
print_word("");
|
|
putchar('\"');
|
|
outflags &= ~MMAN_spc;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* Print subsequent a section header.
|
|
*/
|
|
static void
|
|
post_sect(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_HEAD != n->type)
|
|
return;
|
|
outflags &= ~MMAN_spc;
|
|
print_word("");
|
|
putchar('\"');
|
|
outflags |= MMAN_nl;
|
|
if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
|
|
outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
|
|
}
|
|
|
|
/* See mdoc_term.c, synopsis_pre() for comments. */
|
|
static void
|
|
pre_syn(const struct mdoc_node *n)
|
|
{
|
|
|
|
if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
|
|
return;
|
|
|
|
if (n->prev->tok == n->tok &&
|
|
MDOC_Ft != n->tok &&
|
|
MDOC_Fo != n->tok &&
|
|
MDOC_Fn != n->tok) {
|
|
outflags |= MMAN_br;
|
|
return;
|
|
}
|
|
|
|
switch (n->prev->tok) {
|
|
case MDOC_Fd:
|
|
/* FALLTHROUGH */
|
|
case MDOC_Fn:
|
|
/* FALLTHROUGH */
|
|
case MDOC_Fo:
|
|
/* FALLTHROUGH */
|
|
case MDOC_In:
|
|
/* FALLTHROUGH */
|
|
case MDOC_Vt:
|
|
outflags |= MMAN_sp;
|
|
break;
|
|
case MDOC_Ft:
|
|
if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
|
|
outflags |= MMAN_sp;
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
outflags |= MMAN_br;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_an(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->norm->An.auth) {
|
|
case AUTH_split:
|
|
outflags &= ~MMAN_An_nosplit;
|
|
outflags |= MMAN_An_split;
|
|
return(0);
|
|
case AUTH_nosplit:
|
|
outflags &= ~MMAN_An_split;
|
|
outflags |= MMAN_An_nosplit;
|
|
return(0);
|
|
default:
|
|
if (MMAN_An_split & outflags)
|
|
outflags |= MMAN_br;
|
|
else if (SEC_AUTHORS == n->sec &&
|
|
! (MMAN_An_nosplit & outflags))
|
|
outflags |= MMAN_An_split;
|
|
return(1);
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_ap(DECL_ARGS)
|
|
{
|
|
|
|
outflags &= ~MMAN_spc;
|
|
print_word("'");
|
|
outflags &= ~MMAN_spc;
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_aq(DECL_ARGS)
|
|
{
|
|
|
|
print_word(n->parent->prev != NULL &&
|
|
n->parent->prev->tok == MDOC_An ? "<" : "\\(la");
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_aq(DECL_ARGS)
|
|
{
|
|
|
|
outflags &= ~(MMAN_spc | MMAN_nl);
|
|
print_word(n->parent->prev != NULL &&
|
|
n->parent->prev->tok == MDOC_An ? ">" : "\\(ra");
|
|
}
|
|
|
|
static int
|
|
pre_bd(DECL_ARGS)
|
|
{
|
|
|
|
outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
|
|
|
|
if (DISP_unfilled == n->norm->Bd.type ||
|
|
DISP_literal == n->norm->Bd.type)
|
|
print_line(".nf", 0);
|
|
if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
|
|
outflags |= MMAN_sp;
|
|
print_offs(n->norm->Bd.offs, 1);
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_bd(DECL_ARGS)
|
|
{
|
|
|
|
/* Close out this display. */
|
|
print_line(".RE", MMAN_nl);
|
|
if (DISP_unfilled == n->norm->Bd.type ||
|
|
DISP_literal == n->norm->Bd.type)
|
|
print_line(".fi", MMAN_nl);
|
|
|
|
/* Maybe we are inside an enclosing list? */
|
|
if (NULL != n->parent->next)
|
|
mid_it();
|
|
}
|
|
|
|
static int
|
|
pre_bf(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MDOC_BLOCK:
|
|
return(1);
|
|
case MDOC_BODY:
|
|
break;
|
|
default:
|
|
return(0);
|
|
}
|
|
switch (n->norm->Bf.font) {
|
|
case FONT_Em:
|
|
font_push('I');
|
|
break;
|
|
case FONT_Sy:
|
|
font_push('B');
|
|
break;
|
|
default:
|
|
font_push('R');
|
|
break;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_bf(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_BODY == n->type)
|
|
font_pop();
|
|
}
|
|
|
|
static int
|
|
pre_bk(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MDOC_BLOCK:
|
|
return(1);
|
|
case MDOC_BODY:
|
|
outflags |= MMAN_Bk;
|
|
return(1);
|
|
default:
|
|
return(0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
post_bk(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_BODY == n->type)
|
|
outflags &= ~MMAN_Bk;
|
|
}
|
|
|
|
static int
|
|
pre_bl(DECL_ARGS)
|
|
{
|
|
size_t icol;
|
|
|
|
/*
|
|
* print_offs() will increase the -offset to account for
|
|
* a possible enclosing .It, but any enclosed .It blocks
|
|
* just nest and do not add up their indentation.
|
|
*/
|
|
if (n->norm->Bl.offs) {
|
|
print_offs(n->norm->Bl.offs, 0);
|
|
Bl_stack[Bl_stack_len++] = 0;
|
|
}
|
|
|
|
switch (n->norm->Bl.type) {
|
|
case LIST_enum:
|
|
n->norm->Bl.count = 0;
|
|
return(1);
|
|
case LIST_column:
|
|
break;
|
|
default:
|
|
return(1);
|
|
}
|
|
|
|
print_line(".TS", MMAN_nl);
|
|
for (icol = 0; icol < n->norm->Bl.ncols; icol++)
|
|
print_word("l");
|
|
print_word(".");
|
|
outflags |= MMAN_nl;
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_bl(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->norm->Bl.type) {
|
|
case LIST_column:
|
|
print_line(".TE", 0);
|
|
break;
|
|
case LIST_enum:
|
|
n->norm->Bl.count = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (n->norm->Bl.offs) {
|
|
print_line(".RE", MMAN_nl);
|
|
assert(Bl_stack_len);
|
|
Bl_stack_len--;
|
|
assert(0 == Bl_stack[Bl_stack_len]);
|
|
} else {
|
|
outflags |= MMAN_PP | MMAN_nl;
|
|
outflags &= ~(MMAN_sp | MMAN_br);
|
|
}
|
|
|
|
/* Maybe we are inside an enclosing list? */
|
|
if (NULL != n->parent->next)
|
|
mid_it();
|
|
|
|
}
|
|
|
|
static int
|
|
pre_br(DECL_ARGS)
|
|
{
|
|
|
|
outflags |= MMAN_br;
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_bx(DECL_ARGS)
|
|
{
|
|
|
|
n = n->child;
|
|
if (n) {
|
|
print_word(n->string);
|
|
outflags &= ~MMAN_spc;
|
|
n = n->next;
|
|
}
|
|
print_word("BSD");
|
|
if (NULL == n)
|
|
return(0);
|
|
outflags &= ~MMAN_spc;
|
|
print_word("-");
|
|
outflags &= ~MMAN_spc;
|
|
print_word(n->string);
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_dl(DECL_ARGS)
|
|
{
|
|
|
|
print_offs("6n", 0);
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_dl(DECL_ARGS)
|
|
{
|
|
|
|
print_line(".RE", MMAN_nl);
|
|
|
|
/* Maybe we are inside an enclosing list? */
|
|
if (NULL != n->parent->next)
|
|
mid_it();
|
|
}
|
|
|
|
static int
|
|
pre_em(DECL_ARGS)
|
|
{
|
|
|
|
font_push('I');
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_en(DECL_ARGS)
|
|
{
|
|
|
|
if (NULL == n->norm->Es ||
|
|
NULL == n->norm->Es->child)
|
|
return(1);
|
|
|
|
print_word(n->norm->Es->child->string);
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_en(DECL_ARGS)
|
|
{
|
|
|
|
if (NULL == n->norm->Es ||
|
|
NULL == n->norm->Es->child ||
|
|
NULL == n->norm->Es->child->next)
|
|
return;
|
|
|
|
outflags &= ~MMAN_spc;
|
|
print_word(n->norm->Es->child->next->string);
|
|
return;
|
|
}
|
|
|
|
static int
|
|
pre_eo(DECL_ARGS)
|
|
{
|
|
|
|
outflags &= ~(MMAN_spc | MMAN_nl);
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_eo(DECL_ARGS)
|
|
{
|
|
|
|
if (n->end != ENDBODY_SPACE)
|
|
outflags &= ~MMAN_spc;
|
|
}
|
|
|
|
static int
|
|
pre_fa(DECL_ARGS)
|
|
{
|
|
int am_Fa;
|
|
|
|
am_Fa = MDOC_Fa == n->tok;
|
|
|
|
if (am_Fa)
|
|
n = n->child;
|
|
|
|
while (NULL != n) {
|
|
font_push('I');
|
|
if (am_Fa || MDOC_SYNPRETTY & n->flags)
|
|
outflags |= MMAN_nbrword;
|
|
print_node(meta, n);
|
|
font_pop();
|
|
if (NULL != (n = n->next))
|
|
print_word(",");
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
post_fa(DECL_ARGS)
|
|
{
|
|
|
|
if (NULL != n->next && MDOC_Fa == n->next->tok)
|
|
print_word(",");
|
|
}
|
|
|
|
static int
|
|
pre_fd(DECL_ARGS)
|
|
{
|
|
|
|
pre_syn(n);
|
|
font_push('B');
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_fd(DECL_ARGS)
|
|
{
|
|
|
|
font_pop();
|
|
outflags |= MMAN_br;
|
|
}
|
|
|
|
static int
|
|
pre_fl(DECL_ARGS)
|
|
{
|
|
|
|
font_push('B');
|
|
print_word("\\-");
|
|
if (n->nchild)
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_fl(DECL_ARGS)
|
|
{
|
|
|
|
font_pop();
|
|
if ( ! (n->nchild ||
|
|
n->next == NULL ||
|
|
n->next->type == MDOC_TEXT ||
|
|
n->next->flags & MDOC_LINE))
|
|
outflags &= ~MMAN_spc;
|
|
}
|
|
|
|
static int
|
|
pre_fn(DECL_ARGS)
|
|
{
|
|
|
|
pre_syn(n);
|
|
|
|
n = n->child;
|
|
if (NULL == n)
|
|
return(0);
|
|
|
|
if (MDOC_SYNPRETTY & n->flags)
|
|
print_block(".HP 4n", MMAN_nl);
|
|
|
|
font_push('B');
|
|
print_node(meta, n);
|
|
font_pop();
|
|
outflags &= ~MMAN_spc;
|
|
print_word("(");
|
|
outflags &= ~MMAN_spc;
|
|
|
|
n = n->next;
|
|
if (NULL != n)
|
|
pre_fa(meta, n);
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
post_fn(DECL_ARGS)
|
|
{
|
|
|
|
print_word(")");
|
|
if (MDOC_SYNPRETTY & n->flags) {
|
|
print_word(";");
|
|
outflags |= MMAN_PP;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_fo(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MDOC_BLOCK:
|
|
pre_syn(n);
|
|
break;
|
|
case MDOC_HEAD:
|
|
if (MDOC_SYNPRETTY & n->flags)
|
|
print_block(".HP 4n", MMAN_nl);
|
|
font_push('B');
|
|
break;
|
|
case MDOC_BODY:
|
|
outflags &= ~MMAN_spc;
|
|
print_word("(");
|
|
outflags &= ~MMAN_spc;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_fo(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MDOC_HEAD:
|
|
font_pop();
|
|
break;
|
|
case MDOC_BODY:
|
|
post_fn(meta, n);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_ft(DECL_ARGS)
|
|
{
|
|
|
|
pre_syn(n);
|
|
font_push('I');
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_in(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_SYNPRETTY & n->flags) {
|
|
pre_syn(n);
|
|
font_push('B');
|
|
print_word("#include <");
|
|
outflags &= ~MMAN_spc;
|
|
} else {
|
|
print_word("<");
|
|
outflags &= ~MMAN_spc;
|
|
font_push('I');
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_in(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_SYNPRETTY & n->flags) {
|
|
outflags &= ~MMAN_spc;
|
|
print_word(">");
|
|
font_pop();
|
|
outflags |= MMAN_br;
|
|
} else {
|
|
font_pop();
|
|
outflags &= ~MMAN_spc;
|
|
print_word(">");
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_it(DECL_ARGS)
|
|
{
|
|
const struct mdoc_node *bln;
|
|
|
|
switch (n->type) {
|
|
case MDOC_HEAD:
|
|
outflags |= MMAN_PP | MMAN_nl;
|
|
bln = n->parent->parent;
|
|
if (0 == bln->norm->Bl.comp ||
|
|
(NULL == n->parent->prev &&
|
|
NULL == bln->parent->prev))
|
|
outflags |= MMAN_sp;
|
|
outflags &= ~MMAN_br;
|
|
switch (bln->norm->Bl.type) {
|
|
case LIST_item:
|
|
return(0);
|
|
case LIST_inset:
|
|
/* FALLTHROUGH */
|
|
case LIST_diag:
|
|
/* FALLTHROUGH */
|
|
case LIST_ohang:
|
|
if (bln->norm->Bl.type == LIST_diag)
|
|
print_line(".B \"", 0);
|
|
else
|
|
print_line(".R \"", 0);
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
case LIST_bullet:
|
|
/* FALLTHROUGH */
|
|
case LIST_dash:
|
|
/* FALLTHROUGH */
|
|
case LIST_hyphen:
|
|
print_width(bln->norm->Bl.width, NULL, 0);
|
|
TPremain = 0;
|
|
outflags |= MMAN_nl;
|
|
font_push('B');
|
|
if (LIST_bullet == bln->norm->Bl.type)
|
|
print_word("\\(bu");
|
|
else
|
|
print_word("-");
|
|
font_pop();
|
|
outflags |= MMAN_nl;
|
|
return(0);
|
|
case LIST_enum:
|
|
print_width(bln->norm->Bl.width, NULL, 0);
|
|
TPremain = 0;
|
|
outflags |= MMAN_nl;
|
|
print_count(&bln->norm->Bl.count);
|
|
outflags |= MMAN_nl;
|
|
return(0);
|
|
case LIST_hang:
|
|
print_width(bln->norm->Bl.width, n->child, 6);
|
|
TPremain = 0;
|
|
outflags |= MMAN_nl;
|
|
return(1);
|
|
case LIST_tag:
|
|
print_width(bln->norm->Bl.width, n->child, 0);
|
|
putchar('\n');
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
default:
|
|
return(1);
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* This function is called after closing out an indented block.
|
|
* If we are inside an enclosing list, restore its indentation.
|
|
*/
|
|
static void
|
|
mid_it(void)
|
|
{
|
|
char buf[24];
|
|
|
|
/* Nothing to do outside a list. */
|
|
if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
|
|
return;
|
|
|
|
/* The indentation has already been set up. */
|
|
if (Bl_stack_post[Bl_stack_len - 1])
|
|
return;
|
|
|
|
/* Restore the indentation of the enclosing list. */
|
|
print_line(".RS", MMAN_Bk_susp);
|
|
(void)snprintf(buf, sizeof(buf), "%zun",
|
|
Bl_stack[Bl_stack_len - 1]);
|
|
print_word(buf);
|
|
|
|
/* Remeber to close out this .RS block later. */
|
|
Bl_stack_post[Bl_stack_len - 1] = 1;
|
|
}
|
|
|
|
static void
|
|
post_it(DECL_ARGS)
|
|
{
|
|
const struct mdoc_node *bln;
|
|
|
|
bln = n->parent->parent;
|
|
|
|
switch (n->type) {
|
|
case MDOC_HEAD:
|
|
switch (bln->norm->Bl.type) {
|
|
case LIST_diag:
|
|
outflags &= ~MMAN_spc;
|
|
print_word("\\ ");
|
|
break;
|
|
case LIST_ohang:
|
|
outflags |= MMAN_br;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case MDOC_BODY:
|
|
switch (bln->norm->Bl.type) {
|
|
case LIST_bullet:
|
|
/* FALLTHROUGH */
|
|
case LIST_dash:
|
|
/* FALLTHROUGH */
|
|
case LIST_hyphen:
|
|
/* FALLTHROUGH */
|
|
case LIST_enum:
|
|
/* FALLTHROUGH */
|
|
case LIST_hang:
|
|
/* FALLTHROUGH */
|
|
case LIST_tag:
|
|
assert(Bl_stack_len);
|
|
Bl_stack[--Bl_stack_len] = 0;
|
|
|
|
/*
|
|
* Our indentation had to be restored
|
|
* after a child display or child list.
|
|
* Close out that indentation block now.
|
|
*/
|
|
if (Bl_stack_post[Bl_stack_len]) {
|
|
print_line(".RE", MMAN_nl);
|
|
Bl_stack_post[Bl_stack_len] = 0;
|
|
}
|
|
break;
|
|
case LIST_column:
|
|
if (NULL != n->next) {
|
|
putchar('\t');
|
|
outflags &= ~MMAN_spc;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
post_lb(DECL_ARGS)
|
|
{
|
|
|
|
if (SEC_LIBRARY == n->sec)
|
|
outflags |= MMAN_br;
|
|
}
|
|
|
|
static int
|
|
pre_lk(DECL_ARGS)
|
|
{
|
|
const struct mdoc_node *link, *descr;
|
|
|
|
if (NULL == (link = n->child))
|
|
return(0);
|
|
|
|
if (NULL != (descr = link->next)) {
|
|
font_push('I');
|
|
while (NULL != descr) {
|
|
print_word(descr->string);
|
|
descr = descr->next;
|
|
}
|
|
print_word(":");
|
|
font_pop();
|
|
}
|
|
|
|
font_push('B');
|
|
print_word(link->string);
|
|
font_pop();
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_ll(DECL_ARGS)
|
|
{
|
|
|
|
print_line(".ll", 0);
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_li(DECL_ARGS)
|
|
{
|
|
|
|
font_push('R');
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_nm(DECL_ARGS)
|
|
{
|
|
char *name;
|
|
|
|
if (MDOC_BLOCK == n->type) {
|
|
outflags |= MMAN_Bk;
|
|
pre_syn(n);
|
|
}
|
|
if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
|
|
return(1);
|
|
name = n->child ? n->child->string : meta->name;
|
|
if (NULL == name)
|
|
return(0);
|
|
if (MDOC_HEAD == n->type) {
|
|
if (NULL == n->parent->prev)
|
|
outflags |= MMAN_sp;
|
|
print_block(".HP", 0);
|
|
printf(" %zun", strlen(name) + 1);
|
|
outflags |= MMAN_nl;
|
|
}
|
|
font_push('B');
|
|
if (NULL == n->child)
|
|
print_word(meta->name);
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_nm(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case MDOC_BLOCK:
|
|
outflags &= ~MMAN_Bk;
|
|
break;
|
|
case MDOC_HEAD:
|
|
/* FALLTHROUGH */
|
|
case MDOC_ELEM:
|
|
if (n->child != NULL || meta->name != NULL)
|
|
font_pop();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
pre_no(DECL_ARGS)
|
|
{
|
|
|
|
outflags |= MMAN_spc_force;
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_ns(DECL_ARGS)
|
|
{
|
|
|
|
outflags &= ~MMAN_spc;
|
|
return(0);
|
|
}
|
|
|
|
static void
|
|
post_pf(DECL_ARGS)
|
|
{
|
|
|
|
if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
|
|
outflags &= ~MMAN_spc;
|
|
}
|
|
|
|
static int
|
|
pre_pp(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_It != n->parent->tok)
|
|
outflags |= MMAN_PP;
|
|
outflags |= MMAN_sp | MMAN_nl;
|
|
outflags &= ~MMAN_br;
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_rs(DECL_ARGS)
|
|
{
|
|
|
|
if (SEC_SEE_ALSO == n->sec) {
|
|
outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
|
|
outflags &= ~MMAN_br;
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_rv(DECL_ARGS)
|
|
{
|
|
int nchild;
|
|
|
|
outflags |= MMAN_br | MMAN_nl;
|
|
|
|
nchild = n->nchild;
|
|
if (nchild > 0) {
|
|
print_word("The");
|
|
|
|
for (n = n->child; n; n = n->next) {
|
|
font_push('B');
|
|
print_word(n->string);
|
|
font_pop();
|
|
|
|
outflags &= ~MMAN_spc;
|
|
print_word("()");
|
|
|
|
if (n->next == NULL)
|
|
continue;
|
|
|
|
if (nchild > 2) {
|
|
outflags &= ~MMAN_spc;
|
|
print_word(",");
|
|
}
|
|
if (n->next->next == NULL)
|
|
print_word("and");
|
|
}
|
|
|
|
if (nchild > 1)
|
|
print_word("functions return");
|
|
else
|
|
print_word("function returns");
|
|
|
|
print_word("the value\\~0 if successful;");
|
|
} else
|
|
print_word("Upon successful completion, "
|
|
"the value\\~0 is returned;");
|
|
|
|
print_word("otherwise the value\\~\\-1 is returned"
|
|
" and the global variable");
|
|
|
|
font_push('I');
|
|
print_word("errno");
|
|
font_pop();
|
|
|
|
print_word("is set to indicate the error.");
|
|
outflags |= MMAN_nl;
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_skip(DECL_ARGS)
|
|
{
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_sm(DECL_ARGS)
|
|
{
|
|
|
|
if (NULL == n->child)
|
|
outflags ^= MMAN_Sm;
|
|
else if (0 == strcmp("on", n->child->string))
|
|
outflags |= MMAN_Sm;
|
|
else
|
|
outflags &= ~MMAN_Sm;
|
|
|
|
if (MMAN_Sm & outflags)
|
|
outflags |= MMAN_spc;
|
|
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_sp(DECL_ARGS)
|
|
{
|
|
|
|
if (MMAN_PP & outflags) {
|
|
outflags &= ~MMAN_PP;
|
|
print_line(".PP", 0);
|
|
} else
|
|
print_line(".sp", 0);
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_sp(DECL_ARGS)
|
|
{
|
|
|
|
outflags |= MMAN_nl;
|
|
}
|
|
|
|
static int
|
|
pre_sy(DECL_ARGS)
|
|
{
|
|
|
|
font_push('B');
|
|
return(1);
|
|
}
|
|
|
|
static int
|
|
pre_vt(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_SYNPRETTY & n->flags) {
|
|
switch (n->type) {
|
|
case MDOC_BLOCK:
|
|
pre_syn(n);
|
|
return(1);
|
|
case MDOC_BODY:
|
|
break;
|
|
default:
|
|
return(0);
|
|
}
|
|
}
|
|
font_push('I');
|
|
return(1);
|
|
}
|
|
|
|
static void
|
|
post_vt(DECL_ARGS)
|
|
{
|
|
|
|
if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
|
|
return;
|
|
font_pop();
|
|
}
|
|
|
|
static int
|
|
pre_xr(DECL_ARGS)
|
|
{
|
|
|
|
n = n->child;
|
|
if (NULL == n)
|
|
return(0);
|
|
print_node(meta, n);
|
|
n = n->next;
|
|
if (NULL == n)
|
|
return(0);
|
|
outflags &= ~MMAN_spc;
|
|
print_word("(");
|
|
print_node(meta, n);
|
|
print_word(")");
|
|
return(0);
|
|
}
|
|
|
|
static int
|
|
pre_ux(DECL_ARGS)
|
|
{
|
|
|
|
print_word(manacts[n->tok].prefix);
|
|
if (NULL == n->child)
|
|
return(0);
|
|
outflags &= ~MMAN_spc;
|
|
print_word("\\ ");
|
|
outflags &= ~MMAN_spc;
|
|
return(1);
|
|
}
|