2084 lines
44 KiB
C
2084 lines
44 KiB
C
/* $Id: mdoc_term.c,v 1.372 2019/01/04 03:39:01 schwarze Exp $ */
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/*
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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* Copyright (c) 2010, 2012-2019 Ingo Schwarze <schwarze@openbsd.org>
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* Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
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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 AUTHORS DISCLAIM 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 AUTHORS 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 <ctype.h>
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#include <limits.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mandoc_aux.h"
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#include "roff.h"
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#include "mdoc.h"
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#include "out.h"
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#include "term.h"
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#include "tag.h"
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#include "main.h"
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struct termpair {
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struct termpair *ppair;
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int count;
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};
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#define DECL_ARGS struct termp *p, \
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struct termpair *pair, \
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const struct roff_meta *meta, \
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struct roff_node *n
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struct mdoc_term_act {
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int (*pre)(DECL_ARGS);
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void (*post)(DECL_ARGS);
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};
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static int a2width(const struct termp *, const char *);
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static void print_bvspace(struct termp *,
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const struct roff_node *,
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const struct roff_node *);
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static void print_mdoc_node(DECL_ARGS);
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static void print_mdoc_nodelist(DECL_ARGS);
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static void print_mdoc_head(struct termp *, const struct roff_meta *);
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static void print_mdoc_foot(struct termp *, const struct roff_meta *);
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static void synopsis_pre(struct termp *,
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const struct roff_node *);
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static void termp____post(DECL_ARGS);
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static void termp__t_post(DECL_ARGS);
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static void termp_bd_post(DECL_ARGS);
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static void termp_bk_post(DECL_ARGS);
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static void termp_bl_post(DECL_ARGS);
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static void termp_eo_post(DECL_ARGS);
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static void termp_fd_post(DECL_ARGS);
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static void termp_fo_post(DECL_ARGS);
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static void termp_in_post(DECL_ARGS);
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static void termp_it_post(DECL_ARGS);
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static void termp_lb_post(DECL_ARGS);
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static void termp_nm_post(DECL_ARGS);
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static void termp_pf_post(DECL_ARGS);
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static void termp_quote_post(DECL_ARGS);
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static void termp_sh_post(DECL_ARGS);
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static void termp_ss_post(DECL_ARGS);
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static void termp_xx_post(DECL_ARGS);
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static int termp__a_pre(DECL_ARGS);
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static int termp__t_pre(DECL_ARGS);
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static int termp_abort_pre(DECL_ARGS);
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static int termp_an_pre(DECL_ARGS);
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static int termp_ap_pre(DECL_ARGS);
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static int termp_bd_pre(DECL_ARGS);
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static int termp_bf_pre(DECL_ARGS);
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static int termp_bk_pre(DECL_ARGS);
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static int termp_bl_pre(DECL_ARGS);
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static int termp_bold_pre(DECL_ARGS);
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static int termp_cd_pre(DECL_ARGS);
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static int termp_d1_pre(DECL_ARGS);
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static int termp_eo_pre(DECL_ARGS);
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static int termp_em_pre(DECL_ARGS);
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static int termp_er_pre(DECL_ARGS);
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static int termp_ex_pre(DECL_ARGS);
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static int termp_fa_pre(DECL_ARGS);
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static int termp_fd_pre(DECL_ARGS);
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static int termp_fl_pre(DECL_ARGS);
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static int termp_fn_pre(DECL_ARGS);
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static int termp_fo_pre(DECL_ARGS);
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static int termp_ft_pre(DECL_ARGS);
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static int termp_in_pre(DECL_ARGS);
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static int termp_it_pre(DECL_ARGS);
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static int termp_li_pre(DECL_ARGS);
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static int termp_lk_pre(DECL_ARGS);
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static int termp_nd_pre(DECL_ARGS);
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static int termp_nm_pre(DECL_ARGS);
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static int termp_ns_pre(DECL_ARGS);
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static int termp_quote_pre(DECL_ARGS);
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static int termp_rs_pre(DECL_ARGS);
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static int termp_sh_pre(DECL_ARGS);
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static int termp_skip_pre(DECL_ARGS);
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static int termp_sm_pre(DECL_ARGS);
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static int termp_pp_pre(DECL_ARGS);
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static int termp_ss_pre(DECL_ARGS);
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static int termp_sy_pre(DECL_ARGS);
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static int termp_tag_pre(DECL_ARGS);
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static int termp_under_pre(DECL_ARGS);
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static int termp_vt_pre(DECL_ARGS);
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static int termp_xr_pre(DECL_ARGS);
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static int termp_xx_pre(DECL_ARGS);
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static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
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{ NULL, NULL }, /* Dd */
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{ NULL, NULL }, /* Dt */
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{ NULL, NULL }, /* Os */
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{ termp_sh_pre, termp_sh_post }, /* Sh */
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{ termp_ss_pre, termp_ss_post }, /* Ss */
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{ termp_pp_pre, NULL }, /* Pp */
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{ termp_d1_pre, termp_bl_post }, /* D1 */
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{ termp_d1_pre, termp_bl_post }, /* Dl */
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{ termp_bd_pre, termp_bd_post }, /* Bd */
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{ NULL, NULL }, /* Ed */
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{ termp_bl_pre, termp_bl_post }, /* Bl */
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{ NULL, NULL }, /* El */
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{ termp_it_pre, termp_it_post }, /* It */
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{ termp_under_pre, NULL }, /* Ad */
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{ termp_an_pre, NULL }, /* An */
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{ termp_ap_pre, NULL }, /* Ap */
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{ termp_under_pre, NULL }, /* Ar */
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{ termp_cd_pre, NULL }, /* Cd */
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{ termp_bold_pre, NULL }, /* Cm */
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{ termp_li_pre, NULL }, /* Dv */
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{ termp_er_pre, NULL }, /* Er */
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{ termp_tag_pre, NULL }, /* Ev */
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{ termp_ex_pre, NULL }, /* Ex */
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{ termp_fa_pre, NULL }, /* Fa */
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{ termp_fd_pre, termp_fd_post }, /* Fd */
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{ termp_fl_pre, NULL }, /* Fl */
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{ termp_fn_pre, NULL }, /* Fn */
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{ termp_ft_pre, NULL }, /* Ft */
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{ termp_bold_pre, NULL }, /* Ic */
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{ termp_in_pre, termp_in_post }, /* In */
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{ termp_li_pre, NULL }, /* Li */
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{ termp_nd_pre, NULL }, /* Nd */
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{ termp_nm_pre, termp_nm_post }, /* Nm */
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{ termp_quote_pre, termp_quote_post }, /* Op */
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{ termp_abort_pre, NULL }, /* Ot */
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{ termp_under_pre, NULL }, /* Pa */
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{ termp_ex_pre, NULL }, /* Rv */
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{ NULL, NULL }, /* St */
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{ termp_under_pre, NULL }, /* Va */
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{ termp_vt_pre, NULL }, /* Vt */
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{ termp_xr_pre, NULL }, /* Xr */
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{ termp__a_pre, termp____post }, /* %A */
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{ termp_under_pre, termp____post }, /* %B */
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{ NULL, termp____post }, /* %D */
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{ termp_under_pre, termp____post }, /* %I */
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{ termp_under_pre, termp____post }, /* %J */
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{ NULL, termp____post }, /* %N */
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{ NULL, termp____post }, /* %O */
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{ NULL, termp____post }, /* %P */
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{ NULL, termp____post }, /* %R */
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{ termp__t_pre, termp__t_post }, /* %T */
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{ NULL, termp____post }, /* %V */
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{ NULL, NULL }, /* Ac */
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{ termp_quote_pre, termp_quote_post }, /* Ao */
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{ termp_quote_pre, termp_quote_post }, /* Aq */
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{ NULL, NULL }, /* At */
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{ NULL, NULL }, /* Bc */
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{ termp_bf_pre, NULL }, /* Bf */
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{ termp_quote_pre, termp_quote_post }, /* Bo */
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{ termp_quote_pre, termp_quote_post }, /* Bq */
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{ termp_xx_pre, termp_xx_post }, /* Bsx */
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{ NULL, NULL }, /* Bx */
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{ termp_skip_pre, NULL }, /* Db */
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{ NULL, NULL }, /* Dc */
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{ termp_quote_pre, termp_quote_post }, /* Do */
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{ termp_quote_pre, termp_quote_post }, /* Dq */
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{ NULL, NULL }, /* Ec */ /* FIXME: no space */
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{ NULL, NULL }, /* Ef */
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{ termp_em_pre, NULL }, /* Em */
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{ termp_eo_pre, termp_eo_post }, /* Eo */
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{ termp_xx_pre, termp_xx_post }, /* Fx */
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{ termp_bold_pre, NULL }, /* Ms */
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{ termp_li_pre, NULL }, /* No */
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{ termp_ns_pre, NULL }, /* Ns */
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{ termp_xx_pre, termp_xx_post }, /* Nx */
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{ termp_xx_pre, termp_xx_post }, /* Ox */
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{ NULL, NULL }, /* Pc */
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{ NULL, termp_pf_post }, /* Pf */
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{ termp_quote_pre, termp_quote_post }, /* Po */
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{ termp_quote_pre, termp_quote_post }, /* Pq */
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{ NULL, NULL }, /* Qc */
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{ termp_quote_pre, termp_quote_post }, /* Ql */
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{ termp_quote_pre, termp_quote_post }, /* Qo */
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{ termp_quote_pre, termp_quote_post }, /* Qq */
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{ NULL, NULL }, /* Re */
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{ termp_rs_pre, NULL }, /* Rs */
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{ NULL, NULL }, /* Sc */
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{ termp_quote_pre, termp_quote_post }, /* So */
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{ termp_quote_pre, termp_quote_post }, /* Sq */
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{ termp_sm_pre, NULL }, /* Sm */
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{ termp_under_pre, NULL }, /* Sx */
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{ termp_sy_pre, NULL }, /* Sy */
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{ NULL, NULL }, /* Tn */
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{ termp_xx_pre, termp_xx_post }, /* Ux */
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{ NULL, NULL }, /* Xc */
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{ NULL, NULL }, /* Xo */
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{ termp_fo_pre, termp_fo_post }, /* Fo */
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{ NULL, NULL }, /* Fc */
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{ termp_quote_pre, termp_quote_post }, /* Oo */
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{ NULL, NULL }, /* Oc */
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{ termp_bk_pre, termp_bk_post }, /* Bk */
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{ NULL, NULL }, /* Ek */
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{ NULL, NULL }, /* Bt */
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{ NULL, NULL }, /* Hf */
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{ termp_under_pre, NULL }, /* Fr */
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{ NULL, NULL }, /* Ud */
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{ NULL, termp_lb_post }, /* Lb */
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{ termp_abort_pre, NULL }, /* Lp */
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{ termp_lk_pre, NULL }, /* Lk */
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{ termp_under_pre, NULL }, /* Mt */
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{ termp_quote_pre, termp_quote_post }, /* Brq */
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{ termp_quote_pre, termp_quote_post }, /* Bro */
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{ NULL, NULL }, /* Brc */
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{ NULL, termp____post }, /* %C */
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{ termp_skip_pre, NULL }, /* Es */
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{ termp_quote_pre, termp_quote_post }, /* En */
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{ termp_xx_pre, termp_xx_post }, /* Dx */
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{ NULL, termp____post }, /* %Q */
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{ NULL, termp____post }, /* %U */
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{ NULL, NULL }, /* Ta */
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};
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static int fn_prio;
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void
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terminal_mdoc(void *arg, const struct roff_meta *mdoc)
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{
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struct roff_node *n;
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struct termp *p;
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size_t save_defindent;
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p = (struct termp *)arg;
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p->tcol->rmargin = p->maxrmargin = p->defrmargin;
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term_tab_set(p, NULL);
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term_tab_set(p, "T");
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term_tab_set(p, ".5i");
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n = mdoc->first->child;
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if (p->synopsisonly) {
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while (n != NULL) {
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if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
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if (n->child->next->child != NULL)
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print_mdoc_nodelist(p, NULL,
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mdoc, n->child->next->child);
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term_newln(p);
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break;
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}
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n = n->next;
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}
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} else {
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save_defindent = p->defindent;
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if (p->defindent == 0)
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p->defindent = 5;
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term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
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while (n != NULL &&
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(n->type == ROFFT_COMMENT ||
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n->flags & NODE_NOPRT))
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n = n->next;
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if (n != NULL) {
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if (n->tok != MDOC_Sh)
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term_vspace(p);
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print_mdoc_nodelist(p, NULL, mdoc, n);
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}
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term_end(p);
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p->defindent = save_defindent;
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}
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}
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static void
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print_mdoc_nodelist(DECL_ARGS)
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{
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while (n != NULL) {
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print_mdoc_node(p, pair, meta, n);
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n = n->next;
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}
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}
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static void
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print_mdoc_node(DECL_ARGS)
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{
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const struct mdoc_term_act *act;
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struct termpair npair;
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size_t offset, rmargin;
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int chld;
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/*
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* In no-fill mode, break the output line at the beginning
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* of new input lines except after \c, and nowhere else.
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*/
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if (n->flags & NODE_NOFILL) {
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if (n->flags & NODE_LINE &&
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(p->flags & TERMP_NONEWLINE) == 0)
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term_newln(p);
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p->flags |= TERMP_BRNEVER;
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} else
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p->flags &= ~TERMP_BRNEVER;
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if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
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return;
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chld = 1;
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offset = p->tcol->offset;
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rmargin = p->tcol->rmargin;
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n->flags &= ~NODE_ENDED;
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n->prev_font = p->fonti;
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memset(&npair, 0, sizeof(struct termpair));
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npair.ppair = pair;
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/*
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* Keeps only work until the end of a line. If a keep was
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* invoked in a prior line, revert it to PREKEEP.
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*/
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if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
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p->flags &= ~TERMP_KEEP;
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p->flags |= TERMP_PREKEEP;
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}
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/*
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* After the keep flags have been set up, we may now
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* produce output. Note that some pre-handlers do so.
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*/
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switch (n->type) {
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case ROFFT_TEXT:
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if (n->flags & NODE_LINE) {
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switch (*n->string) {
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case '\0':
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if (p->flags & TERMP_NONEWLINE)
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term_newln(p);
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else
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term_vspace(p);
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return;
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case ' ':
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if ((p->flags & TERMP_NONEWLINE) == 0)
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term_newln(p);
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break;
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default:
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break;
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}
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}
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if (NODE_DELIMC & n->flags)
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p->flags |= TERMP_NOSPACE;
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term_word(p, n->string);
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if (NODE_DELIMO & n->flags)
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p->flags |= TERMP_NOSPACE;
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break;
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case ROFFT_EQN:
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if ( ! (n->flags & NODE_LINE))
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p->flags |= TERMP_NOSPACE;
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term_eqn(p, n->eqn);
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if (n->next != NULL && ! (n->next->flags & NODE_LINE))
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p->flags |= TERMP_NOSPACE;
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break;
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case ROFFT_TBL:
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if (p->tbl.cols == NULL)
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term_newln(p);
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term_tbl(p, n->span);
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break;
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default:
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if (n->tok < ROFF_MAX) {
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roff_term_pre(p, n);
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return;
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}
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assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
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act = mdoc_term_acts + (n->tok - MDOC_Dd);
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if (act->pre != NULL &&
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(n->end == ENDBODY_NOT || n->child != NULL))
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chld = (*act->pre)(p, &npair, meta, n);
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break;
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}
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if (chld && n->child)
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print_mdoc_nodelist(p, &npair, meta, n->child);
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term_fontpopq(p,
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(ENDBODY_NOT == n->end ? n : n->body)->prev_font);
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switch (n->type) {
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case ROFFT_TEXT:
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break;
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case ROFFT_TBL:
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break;
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case ROFFT_EQN:
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break;
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default:
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if (act->post == NULL || n->flags & NODE_ENDED)
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break;
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(void)(*act->post)(p, &npair, meta, n);
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/*
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* Explicit end tokens not only call the post
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* handler, but also tell the respective block
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* that it must not call the post handler again.
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*/
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if (ENDBODY_NOT != n->end)
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n->body->flags |= NODE_ENDED;
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break;
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}
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if (NODE_EOS & n->flags)
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p->flags |= TERMP_SENTENCE;
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if (n->type != ROFFT_TEXT)
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p->tcol->offset = offset;
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p->tcol->rmargin = rmargin;
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}
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static void
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print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
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{
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size_t sz;
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term_fontrepl(p, TERMFONT_NONE);
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/*
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* Output the footer in new-groff style, that is, three columns
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* with the middle being the manual date and flanking columns
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* being the operating system:
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*
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* SYSTEM DATE SYSTEM
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*/
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term_vspace(p);
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p->tcol->offset = 0;
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sz = term_strlen(p, meta->date);
|
|
p->tcol->rmargin = p->maxrmargin > sz ?
|
|
(p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
|
|
p->trailspace = 1;
|
|
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
|
|
|
|
term_word(p, meta->os);
|
|
term_flushln(p);
|
|
|
|
p->tcol->offset = p->tcol->rmargin;
|
|
sz = term_strlen(p, meta->os);
|
|
p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
term_word(p, meta->date);
|
|
term_flushln(p);
|
|
|
|
p->tcol->offset = p->tcol->rmargin;
|
|
p->tcol->rmargin = p->maxrmargin;
|
|
p->trailspace = 0;
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
term_word(p, meta->os);
|
|
term_flushln(p);
|
|
|
|
p->tcol->offset = 0;
|
|
p->tcol->rmargin = p->maxrmargin;
|
|
p->flags = 0;
|
|
}
|
|
|
|
static void
|
|
print_mdoc_head(struct termp *p, const struct roff_meta *meta)
|
|
{
|
|
char *volume, *title;
|
|
size_t vollen, titlen;
|
|
|
|
/*
|
|
* The header is strange. It has three components, which are
|
|
* really two with the first duplicated. It goes like this:
|
|
*
|
|
* IDENTIFIER TITLE IDENTIFIER
|
|
*
|
|
* The IDENTIFIER is NAME(SECTION), which is the command-name
|
|
* (if given, or "unknown" if not) followed by the manual page
|
|
* section. These are given in `Dt'. The TITLE is a free-form
|
|
* string depending on the manual volume. If not specified, it
|
|
* switches on the manual section.
|
|
*/
|
|
|
|
assert(meta->vol);
|
|
if (NULL == meta->arch)
|
|
volume = mandoc_strdup(meta->vol);
|
|
else
|
|
mandoc_asprintf(&volume, "%s (%s)",
|
|
meta->vol, meta->arch);
|
|
vollen = term_strlen(p, volume);
|
|
|
|
if (NULL == meta->msec)
|
|
title = mandoc_strdup(meta->title);
|
|
else
|
|
mandoc_asprintf(&title, "%s(%s)",
|
|
meta->title, meta->msec);
|
|
titlen = term_strlen(p, title);
|
|
|
|
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
|
|
p->trailspace = 1;
|
|
p->tcol->offset = 0;
|
|
p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
|
|
(p->maxrmargin - vollen + term_len(p, 1)) / 2 :
|
|
vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
|
|
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
p->tcol->offset = p->tcol->rmargin;
|
|
p->tcol->rmargin = p->tcol->offset + vollen + titlen <
|
|
p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
|
|
|
|
term_word(p, volume);
|
|
term_flushln(p);
|
|
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->trailspace = 0;
|
|
if (p->tcol->rmargin + titlen <= p->maxrmargin) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
p->tcol->offset = p->tcol->rmargin;
|
|
p->tcol->rmargin = p->maxrmargin;
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
}
|
|
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
p->tcol->offset = 0;
|
|
p->tcol->rmargin = p->maxrmargin;
|
|
free(title);
|
|
free(volume);
|
|
}
|
|
|
|
static int
|
|
a2width(const struct termp *p, const char *v)
|
|
{
|
|
struct roffsu su;
|
|
const char *end;
|
|
|
|
end = a2roffsu(v, &su, SCALE_MAX);
|
|
if (end == NULL || *end != '\0') {
|
|
SCALE_HS_INIT(&su, term_strlen(p, v));
|
|
su.scale /= term_strlen(p, "0");
|
|
}
|
|
return term_hen(p, &su);
|
|
}
|
|
|
|
/*
|
|
* Determine how much space to print out before block elements of `It'
|
|
* (and thus `Bl') and `Bd'. And then go ahead and print that space,
|
|
* too.
|
|
*/
|
|
static void
|
|
print_bvspace(struct termp *p,
|
|
const struct roff_node *bl,
|
|
const struct roff_node *n)
|
|
{
|
|
const struct roff_node *nn;
|
|
|
|
assert(n);
|
|
|
|
term_newln(p);
|
|
|
|
if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
|
|
return;
|
|
if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
|
|
return;
|
|
|
|
/* Do not vspace directly after Ss/Sh. */
|
|
|
|
nn = n;
|
|
while (nn->prev != NULL &&
|
|
(nn->prev->type == ROFFT_COMMENT ||
|
|
nn->prev->flags & NODE_NOPRT))
|
|
nn = nn->prev;
|
|
while (nn->prev == NULL) {
|
|
do {
|
|
nn = nn->parent;
|
|
if (nn->type == ROFFT_ROOT)
|
|
return;
|
|
} while (nn->type != ROFFT_BLOCK);
|
|
if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
|
|
return;
|
|
if (nn->tok == MDOC_It &&
|
|
nn->parent->parent->norm->Bl.type != LIST_item)
|
|
break;
|
|
}
|
|
|
|
/* A `-column' does not assert vspace within the list. */
|
|
|
|
if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
|
|
if (n->prev && MDOC_It == n->prev->tok)
|
|
return;
|
|
|
|
/* A `-diag' without body does not vspace. */
|
|
|
|
if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
|
|
if (n->prev && MDOC_It == n->prev->tok) {
|
|
assert(n->prev->body);
|
|
if (NULL == n->prev->body->child)
|
|
return;
|
|
}
|
|
|
|
term_vspace(p);
|
|
}
|
|
|
|
|
|
static int
|
|
termp_it_pre(DECL_ARGS)
|
|
{
|
|
struct roffsu su;
|
|
char buf[24];
|
|
const struct roff_node *bl, *nn;
|
|
size_t ncols, dcol;
|
|
int i, offset, width;
|
|
enum mdoc_list type;
|
|
|
|
if (n->type == ROFFT_BLOCK) {
|
|
print_bvspace(p, n->parent->parent, n);
|
|
return 1;
|
|
}
|
|
|
|
bl = n->parent->parent->parent;
|
|
type = bl->norm->Bl.type;
|
|
|
|
/*
|
|
* Defaults for specific list types.
|
|
*/
|
|
|
|
switch (type) {
|
|
case LIST_bullet:
|
|
case LIST_dash:
|
|
case LIST_hyphen:
|
|
case LIST_enum:
|
|
width = term_len(p, 2);
|
|
break;
|
|
case LIST_hang:
|
|
case LIST_tag:
|
|
width = term_len(p, 8);
|
|
break;
|
|
case LIST_column:
|
|
width = term_len(p, 10);
|
|
break;
|
|
default:
|
|
width = 0;
|
|
break;
|
|
}
|
|
offset = 0;
|
|
|
|
/*
|
|
* First calculate width and offset. This is pretty easy unless
|
|
* we're a -column list, in which case all prior columns must
|
|
* be accounted for.
|
|
*/
|
|
|
|
if (bl->norm->Bl.offs != NULL) {
|
|
offset = a2width(p, bl->norm->Bl.offs);
|
|
if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
|
|
offset = -p->tcol->offset;
|
|
else if (offset > SHRT_MAX)
|
|
offset = 0;
|
|
}
|
|
|
|
switch (type) {
|
|
case LIST_column:
|
|
if (n->type == ROFFT_HEAD)
|
|
break;
|
|
|
|
/*
|
|
* Imitate groff's column handling:
|
|
* - For each earlier column, add its width.
|
|
* - For less than 5 columns, add four more blanks per
|
|
* column.
|
|
* - For exactly 5 columns, add three more blank per
|
|
* column.
|
|
* - For more than 5 columns, add only one column.
|
|
*/
|
|
ncols = bl->norm->Bl.ncols;
|
|
dcol = ncols < 5 ? term_len(p, 4) :
|
|
ncols == 5 ? term_len(p, 3) : term_len(p, 1);
|
|
|
|
/*
|
|
* Calculate the offset by applying all prior ROFFT_BODY,
|
|
* so we stop at the ROFFT_HEAD (nn->prev == NULL).
|
|
*/
|
|
|
|
for (i = 0, nn = n->prev;
|
|
nn->prev && i < (int)ncols;
|
|
nn = nn->prev, i++) {
|
|
SCALE_HS_INIT(&su,
|
|
term_strlen(p, bl->norm->Bl.cols[i]));
|
|
su.scale /= term_strlen(p, "0");
|
|
offset += term_hen(p, &su) + dcol;
|
|
}
|
|
|
|
/*
|
|
* When exceeding the declared number of columns, leave
|
|
* the remaining widths at 0. This will later be
|
|
* adjusted to the default width of 10, or, for the last
|
|
* column, stretched to the right margin.
|
|
*/
|
|
if (i >= (int)ncols)
|
|
break;
|
|
|
|
/*
|
|
* Use the declared column widths, extended as explained
|
|
* in the preceding paragraph.
|
|
*/
|
|
SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
|
|
su.scale /= term_strlen(p, "0");
|
|
width = term_hen(p, &su) + dcol;
|
|
break;
|
|
default:
|
|
if (NULL == bl->norm->Bl.width)
|
|
break;
|
|
|
|
/*
|
|
* Note: buffer the width by 2, which is groff's magic
|
|
* number for buffering single arguments. See the above
|
|
* handling for column for how this changes.
|
|
*/
|
|
width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
|
|
if (width < 0 && (size_t)(-width) > p->tcol->offset)
|
|
width = -p->tcol->offset;
|
|
else if (width > SHRT_MAX)
|
|
width = 0;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Whitespace control. Inset bodies need an initial space,
|
|
* while diagonal bodies need two.
|
|
*/
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
switch (type) {
|
|
case LIST_diag:
|
|
if (n->type == ROFFT_BODY)
|
|
term_word(p, "\\ \\ ");
|
|
break;
|
|
case LIST_inset:
|
|
if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
|
|
term_word(p, "\\ ");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
switch (type) {
|
|
case LIST_diag:
|
|
if (n->type == ROFFT_HEAD)
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Pad and break control. This is the tricky part. These flags
|
|
* are documented in term_flushln() in term.c. Note that we're
|
|
* going to unset all of these flags in termp_it_post() when we
|
|
* exit.
|
|
*/
|
|
|
|
switch (type) {
|
|
case LIST_enum:
|
|
case LIST_bullet:
|
|
case LIST_dash:
|
|
case LIST_hyphen:
|
|
if (n->type == ROFFT_HEAD) {
|
|
p->flags |= TERMP_NOBREAK | TERMP_HANG;
|
|
p->trailspace = 1;
|
|
} else if (width <= (int)term_len(p, 2))
|
|
p->flags |= TERMP_NOPAD;
|
|
break;
|
|
case LIST_hang:
|
|
if (n->type != ROFFT_HEAD)
|
|
break;
|
|
p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
|
|
p->trailspace = 1;
|
|
break;
|
|
case LIST_tag:
|
|
if (n->type != ROFFT_HEAD)
|
|
break;
|
|
|
|
p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
|
|
p->trailspace = 2;
|
|
|
|
if (NULL == n->next || NULL == n->next->child)
|
|
p->flags |= TERMP_HANG;
|
|
break;
|
|
case LIST_column:
|
|
if (n->type == ROFFT_HEAD)
|
|
break;
|
|
|
|
if (NULL == n->next) {
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->trailspace = 0;
|
|
} else {
|
|
p->flags |= TERMP_NOBREAK;
|
|
p->trailspace = 1;
|
|
}
|
|
|
|
break;
|
|
case LIST_diag:
|
|
if (n->type != ROFFT_HEAD)
|
|
break;
|
|
p->flags |= TERMP_NOBREAK | TERMP_BRIND;
|
|
p->trailspace = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Margin control. Set-head-width lists have their right
|
|
* margins shortened. The body for these lists has the offset
|
|
* necessarily lengthened. Everybody gets the offset.
|
|
*/
|
|
|
|
p->tcol->offset += offset;
|
|
|
|
switch (type) {
|
|
case LIST_bullet:
|
|
case LIST_dash:
|
|
case LIST_enum:
|
|
case LIST_hyphen:
|
|
case LIST_hang:
|
|
case LIST_tag:
|
|
if (n->type == ROFFT_HEAD)
|
|
p->tcol->rmargin = p->tcol->offset + width;
|
|
else
|
|
p->tcol->offset += width;
|
|
break;
|
|
case LIST_column:
|
|
assert(width);
|
|
p->tcol->rmargin = p->tcol->offset + width;
|
|
/*
|
|
* XXX - this behaviour is not documented: the
|
|
* right-most column is filled to the right margin.
|
|
*/
|
|
if (n->type == ROFFT_HEAD)
|
|
break;
|
|
if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
|
|
p->tcol->rmargin = p->maxrmargin;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* The dash, hyphen, bullet and enum lists all have a special
|
|
* HEAD character (temporarily bold, in some cases).
|
|
*/
|
|
|
|
if (n->type == ROFFT_HEAD)
|
|
switch (type) {
|
|
case LIST_bullet:
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, "\\[bu]");
|
|
term_fontpop(p);
|
|
break;
|
|
case LIST_dash:
|
|
case LIST_hyphen:
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, "-");
|
|
term_fontpop(p);
|
|
break;
|
|
case LIST_enum:
|
|
(pair->ppair->ppair->count)++;
|
|
(void)snprintf(buf, sizeof(buf), "%d.",
|
|
pair->ppair->ppair->count);
|
|
term_word(p, buf);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* If we're not going to process our children, indicate so here.
|
|
*/
|
|
|
|
switch (type) {
|
|
case LIST_bullet:
|
|
case LIST_item:
|
|
case LIST_dash:
|
|
case LIST_hyphen:
|
|
case LIST_enum:
|
|
if (n->type == ROFFT_HEAD)
|
|
return 0;
|
|
break;
|
|
case LIST_column:
|
|
if (n->type == ROFFT_HEAD)
|
|
return 0;
|
|
p->minbl = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_it_post(DECL_ARGS)
|
|
{
|
|
enum mdoc_list type;
|
|
|
|
if (n->type == ROFFT_BLOCK)
|
|
return;
|
|
|
|
type = n->parent->parent->parent->norm->Bl.type;
|
|
|
|
switch (type) {
|
|
case LIST_item:
|
|
case LIST_diag:
|
|
case LIST_inset:
|
|
if (n->type == ROFFT_BODY)
|
|
term_newln(p);
|
|
break;
|
|
case LIST_column:
|
|
if (n->type == ROFFT_BODY)
|
|
term_flushln(p);
|
|
break;
|
|
default:
|
|
term_newln(p);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Now that our output is flushed, we can reset our tags. Since
|
|
* only `It' sets these flags, we're free to assume that nobody
|
|
* has munged them in the meanwhile.
|
|
*/
|
|
|
|
p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
|
|
p->trailspace = 0;
|
|
}
|
|
|
|
static int
|
|
termp_nm_pre(DECL_ARGS)
|
|
{
|
|
const char *cp;
|
|
|
|
if (n->type == ROFFT_BLOCK) {
|
|
p->flags |= TERMP_PREKEEP;
|
|
return 1;
|
|
}
|
|
|
|
if (n->type == ROFFT_BODY) {
|
|
if (n->child == NULL)
|
|
return 0;
|
|
p->flags |= TERMP_NOSPACE;
|
|
cp = NULL;
|
|
if (n->prev->child != NULL)
|
|
cp = n->prev->child->string;
|
|
if (cp == NULL)
|
|
cp = meta->name;
|
|
if (cp == NULL)
|
|
p->tcol->offset += term_len(p, 6);
|
|
else
|
|
p->tcol->offset += term_len(p, 1) +
|
|
term_strlen(p, cp);
|
|
return 1;
|
|
}
|
|
|
|
if (n->child == NULL)
|
|
return 0;
|
|
|
|
if (n->type == ROFFT_HEAD)
|
|
synopsis_pre(p, n->parent);
|
|
|
|
if (n->type == ROFFT_HEAD &&
|
|
n->next != NULL && n->next->child != NULL) {
|
|
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
|
|
p->trailspace = 1;
|
|
p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
|
|
if (n->child == NULL)
|
|
p->tcol->rmargin += term_strlen(p, meta->name);
|
|
else if (n->child->type == ROFFT_TEXT) {
|
|
p->tcol->rmargin += term_strlen(p, n->child->string);
|
|
if (n->child->next != NULL)
|
|
p->flags |= TERMP_HANG;
|
|
} else {
|
|
p->tcol->rmargin += term_len(p, 5);
|
|
p->flags |= TERMP_HANG;
|
|
}
|
|
}
|
|
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_nm_post(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type == ROFFT_BLOCK) {
|
|
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
|
|
} else if (n->type == ROFFT_HEAD &&
|
|
NULL != n->next && NULL != n->next->child) {
|
|
term_flushln(p);
|
|
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
|
|
p->trailspace = 0;
|
|
} else if (n->type == ROFFT_BODY && n->child != NULL)
|
|
term_flushln(p);
|
|
}
|
|
|
|
static int
|
|
termp_fl_pre(DECL_ARGS)
|
|
{
|
|
|
|
termp_tag_pre(p, pair, meta, n);
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, "\\-");
|
|
|
|
if (!(n->child == NULL &&
|
|
(n->next == NULL ||
|
|
n->next->type == ROFFT_TEXT ||
|
|
n->next->flags & NODE_LINE)))
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp__a_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->prev && MDOC__A == n->prev->tok)
|
|
if (NULL == n->next || MDOC__A != n->next->tok)
|
|
term_word(p, "and");
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_an_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->norm->An.auth == AUTH_split) {
|
|
p->flags &= ~TERMP_NOSPLIT;
|
|
p->flags |= TERMP_SPLIT;
|
|
return 0;
|
|
}
|
|
if (n->norm->An.auth == AUTH_nosplit) {
|
|
p->flags &= ~TERMP_SPLIT;
|
|
p->flags |= TERMP_NOSPLIT;
|
|
return 0;
|
|
}
|
|
|
|
if (p->flags & TERMP_SPLIT)
|
|
term_newln(p);
|
|
|
|
if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
|
|
p->flags |= TERMP_SPLIT;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_ns_pre(DECL_ARGS)
|
|
{
|
|
|
|
if ( ! (NODE_LINE & n->flags))
|
|
p->flags |= TERMP_NOSPACE;
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_rs_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (SEC_SEE_ALSO != n->sec)
|
|
return 1;
|
|
if (n->type == ROFFT_BLOCK && n->prev != NULL)
|
|
term_vspace(p);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_ex_pre(DECL_ARGS)
|
|
{
|
|
term_newln(p);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_nd_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type == ROFFT_BODY)
|
|
term_word(p, "\\(en");
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_bl_pre(DECL_ARGS)
|
|
{
|
|
|
|
return n->type != ROFFT_HEAD;
|
|
}
|
|
|
|
static void
|
|
termp_bl_post(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type != ROFFT_BLOCK)
|
|
return;
|
|
term_newln(p);
|
|
if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
|
|
return;
|
|
term_tab_set(p, NULL);
|
|
term_tab_set(p, "T");
|
|
term_tab_set(p, ".5i");
|
|
}
|
|
|
|
static int
|
|
termp_xr_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (NULL == (n = n->child))
|
|
return 0;
|
|
|
|
assert(n->type == ROFFT_TEXT);
|
|
term_word(p, n->string);
|
|
|
|
if (NULL == (n = n->next))
|
|
return 0;
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, "(");
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
assert(n->type == ROFFT_TEXT);
|
|
term_word(p, n->string);
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ")");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* This decides how to assert whitespace before any of the SYNOPSIS set
|
|
* of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
|
|
* macro combos).
|
|
*/
|
|
static void
|
|
synopsis_pre(struct termp *p, const struct roff_node *n)
|
|
{
|
|
/*
|
|
* Obviously, if we're not in a SYNOPSIS or no prior macros
|
|
* exist, do nothing.
|
|
*/
|
|
if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
|
|
return;
|
|
|
|
/*
|
|
* If we're the second in a pair of like elements, emit our
|
|
* newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
|
|
* case we soldier on.
|
|
*/
|
|
if (n->prev->tok == n->tok &&
|
|
MDOC_Ft != n->tok &&
|
|
MDOC_Fo != n->tok &&
|
|
MDOC_Fn != n->tok) {
|
|
term_newln(p);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If we're one of the SYNOPSIS set and non-like pair-wise after
|
|
* another (or Fn/Fo, which we've let slip through) then assert
|
|
* vertical space, else only newline and move on.
|
|
*/
|
|
switch (n->prev->tok) {
|
|
case MDOC_Fd:
|
|
case MDOC_Fn:
|
|
case MDOC_Fo:
|
|
case MDOC_In:
|
|
case MDOC_Vt:
|
|
term_vspace(p);
|
|
break;
|
|
case MDOC_Ft:
|
|
if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
|
|
term_vspace(p);
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
term_newln(p);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
termp_vt_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type == ROFFT_ELEM) {
|
|
synopsis_pre(p, n);
|
|
return termp_under_pre(p, pair, meta, n);
|
|
} else if (n->type == ROFFT_BLOCK) {
|
|
synopsis_pre(p, n);
|
|
return 1;
|
|
} else if (n->type == ROFFT_HEAD)
|
|
return 0;
|
|
|
|
return termp_under_pre(p, pair, meta, n);
|
|
}
|
|
|
|
static int
|
|
termp_bold_pre(DECL_ARGS)
|
|
{
|
|
|
|
termp_tag_pre(p, pair, meta, n);
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_fd_pre(DECL_ARGS)
|
|
{
|
|
|
|
synopsis_pre(p, n);
|
|
return termp_bold_pre(p, pair, meta, n);
|
|
}
|
|
|
|
static void
|
|
termp_fd_post(DECL_ARGS)
|
|
{
|
|
|
|
term_newln(p);
|
|
}
|
|
|
|
static int
|
|
termp_sh_pre(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case ROFFT_BLOCK:
|
|
/*
|
|
* Vertical space before sections, except
|
|
* when the previous section was empty.
|
|
*/
|
|
if (n->prev == NULL ||
|
|
n->prev->tok != MDOC_Sh ||
|
|
(n->prev->body != NULL &&
|
|
n->prev->body->child != NULL))
|
|
term_vspace(p);
|
|
break;
|
|
case ROFFT_HEAD:
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
break;
|
|
case ROFFT_BODY:
|
|
p->tcol->offset = term_len(p, p->defindent);
|
|
term_tab_set(p, NULL);
|
|
term_tab_set(p, "T");
|
|
term_tab_set(p, ".5i");
|
|
switch (n->sec) {
|
|
case SEC_DESCRIPTION:
|
|
fn_prio = 0;
|
|
break;
|
|
case SEC_AUTHORS:
|
|
p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_sh_post(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case ROFFT_HEAD:
|
|
term_newln(p);
|
|
break;
|
|
case ROFFT_BODY:
|
|
term_newln(p);
|
|
p->tcol->offset = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
termp_lb_post(DECL_ARGS)
|
|
{
|
|
|
|
if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
|
|
term_newln(p);
|
|
}
|
|
|
|
static int
|
|
termp_d1_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type != ROFFT_BLOCK)
|
|
return 1;
|
|
term_newln(p);
|
|
p->tcol->offset += term_len(p, p->defindent + 1);
|
|
term_tab_set(p, NULL);
|
|
term_tab_set(p, "T");
|
|
term_tab_set(p, ".5i");
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_ft_pre(DECL_ARGS)
|
|
{
|
|
|
|
/* NB: NODE_LINE does not effect this! */
|
|
synopsis_pre(p, n);
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_fn_pre(DECL_ARGS)
|
|
{
|
|
size_t rmargin = 0;
|
|
int pretty;
|
|
|
|
pretty = NODE_SYNPRETTY & n->flags;
|
|
|
|
synopsis_pre(p, n);
|
|
|
|
if (NULL == (n = n->child))
|
|
return 0;
|
|
|
|
if (pretty) {
|
|
rmargin = p->tcol->rmargin;
|
|
p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
|
|
p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
|
|
}
|
|
|
|
assert(n->type == ROFFT_TEXT);
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, n->string);
|
|
term_fontpop(p);
|
|
|
|
if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
|
|
tag_put(n->string, ++fn_prio, p->line);
|
|
|
|
if (pretty) {
|
|
term_flushln(p);
|
|
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
|
|
p->flags |= TERMP_NOPAD;
|
|
p->tcol->offset = p->tcol->rmargin;
|
|
p->tcol->rmargin = rmargin;
|
|
}
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, "(");
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
for (n = n->next; n; n = n->next) {
|
|
assert(n->type == ROFFT_TEXT);
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
if (pretty)
|
|
p->flags |= TERMP_NBRWORD;
|
|
term_word(p, n->string);
|
|
term_fontpop(p);
|
|
|
|
if (n->next) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ",");
|
|
}
|
|
}
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ")");
|
|
|
|
if (pretty) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ";");
|
|
term_flushln(p);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
termp_fa_pre(DECL_ARGS)
|
|
{
|
|
const struct roff_node *nn;
|
|
|
|
if (n->parent->tok != MDOC_Fo) {
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
return 1;
|
|
}
|
|
|
|
for (nn = n->child; nn; nn = nn->next) {
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
p->flags |= TERMP_NBRWORD;
|
|
term_word(p, nn->string);
|
|
term_fontpop(p);
|
|
|
|
if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ",");
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
termp_bd_pre(DECL_ARGS)
|
|
{
|
|
int offset;
|
|
|
|
if (n->type == ROFFT_BLOCK) {
|
|
print_bvspace(p, n, n);
|
|
return 1;
|
|
} else if (n->type == ROFFT_HEAD)
|
|
return 0;
|
|
|
|
/* Handle the -offset argument. */
|
|
|
|
if (n->norm->Bd.offs == NULL ||
|
|
! strcmp(n->norm->Bd.offs, "left"))
|
|
/* nothing */;
|
|
else if ( ! strcmp(n->norm->Bd.offs, "indent"))
|
|
p->tcol->offset += term_len(p, p->defindent + 1);
|
|
else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
|
|
p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
|
|
else {
|
|
offset = a2width(p, n->norm->Bd.offs);
|
|
if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
|
|
p->tcol->offset = 0;
|
|
else if (offset < SHRT_MAX)
|
|
p->tcol->offset += offset;
|
|
}
|
|
|
|
switch (n->norm->Bd.type) {
|
|
case DISP_literal:
|
|
term_tab_set(p, NULL);
|
|
term_tab_set(p, "T");
|
|
term_tab_set(p, "8n");
|
|
break;
|
|
case DISP_centered:
|
|
p->flags |= TERMP_CENTER;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_bd_post(DECL_ARGS)
|
|
{
|
|
if (n->type != ROFFT_BODY)
|
|
return;
|
|
if (n->norm->Bd.type == DISP_unfilled ||
|
|
n->norm->Bd.type == DISP_literal)
|
|
p->flags |= TERMP_BRNEVER;
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_newln(p);
|
|
p->flags &= ~TERMP_BRNEVER;
|
|
if (n->norm->Bd.type == DISP_centered)
|
|
p->flags &= ~TERMP_CENTER;
|
|
}
|
|
|
|
static int
|
|
termp_xx_pre(DECL_ARGS)
|
|
{
|
|
if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
|
|
p->flags |= TERMP_PREKEEP;
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_xx_post(DECL_ARGS)
|
|
{
|
|
if (n->aux == 0)
|
|
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
|
|
}
|
|
|
|
static void
|
|
termp_pf_post(DECL_ARGS)
|
|
{
|
|
|
|
if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
|
|
p->flags |= TERMP_NOSPACE;
|
|
}
|
|
|
|
static int
|
|
termp_ss_pre(DECL_ARGS)
|
|
{
|
|
struct roff_node *nn;
|
|
|
|
switch (n->type) {
|
|
case ROFFT_BLOCK:
|
|
term_newln(p);
|
|
for (nn = n->prev; nn != NULL; nn = nn->prev)
|
|
if (nn->type != ROFFT_COMMENT &&
|
|
(nn->flags & NODE_NOPRT) == 0)
|
|
break;
|
|
if (nn != NULL)
|
|
term_vspace(p);
|
|
break;
|
|
case ROFFT_HEAD:
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
p->tcol->offset = term_len(p, (p->defindent+1)/2);
|
|
break;
|
|
case ROFFT_BODY:
|
|
p->tcol->offset = term_len(p, p->defindent);
|
|
term_tab_set(p, NULL);
|
|
term_tab_set(p, "T");
|
|
term_tab_set(p, ".5i");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_ss_post(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
|
|
term_newln(p);
|
|
}
|
|
|
|
static int
|
|
termp_cd_pre(DECL_ARGS)
|
|
{
|
|
|
|
synopsis_pre(p, n);
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_in_pre(DECL_ARGS)
|
|
{
|
|
|
|
synopsis_pre(p, n);
|
|
|
|
if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, "#include");
|
|
term_word(p, "<");
|
|
} else {
|
|
term_word(p, "<");
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
}
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_in_post(DECL_ARGS)
|
|
{
|
|
|
|
if (NODE_SYNPRETTY & n->flags)
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ">");
|
|
|
|
if (NODE_SYNPRETTY & n->flags)
|
|
term_fontpop(p);
|
|
}
|
|
|
|
static int
|
|
termp_pp_pre(DECL_ARGS)
|
|
{
|
|
fn_prio = 0;
|
|
term_vspace(p);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
termp_skip_pre(DECL_ARGS)
|
|
{
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
termp_quote_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
|
|
return 1;
|
|
|
|
switch (n->tok) {
|
|
case MDOC_Ao:
|
|
case MDOC_Aq:
|
|
term_word(p, n->child != NULL && n->child->next == NULL &&
|
|
n->child->tok == MDOC_Mt ? "<" : "\\(la");
|
|
break;
|
|
case MDOC_Bro:
|
|
case MDOC_Brq:
|
|
term_word(p, "{");
|
|
break;
|
|
case MDOC_Oo:
|
|
case MDOC_Op:
|
|
case MDOC_Bo:
|
|
case MDOC_Bq:
|
|
term_word(p, "[");
|
|
break;
|
|
case MDOC__T:
|
|
/* FALLTHROUGH */
|
|
case MDOC_Do:
|
|
case MDOC_Dq:
|
|
term_word(p, "\\(lq");
|
|
break;
|
|
case MDOC_En:
|
|
if (NULL == n->norm->Es ||
|
|
NULL == n->norm->Es->child)
|
|
return 1;
|
|
term_word(p, n->norm->Es->child->string);
|
|
break;
|
|
case MDOC_Po:
|
|
case MDOC_Pq:
|
|
term_word(p, "(");
|
|
break;
|
|
case MDOC_Qo:
|
|
case MDOC_Qq:
|
|
term_word(p, "\"");
|
|
break;
|
|
case MDOC_Ql:
|
|
case MDOC_So:
|
|
case MDOC_Sq:
|
|
term_word(p, "\\(oq");
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_quote_post(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
|
|
return;
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
switch (n->tok) {
|
|
case MDOC_Ao:
|
|
case MDOC_Aq:
|
|
term_word(p, n->child != NULL && n->child->next == NULL &&
|
|
n->child->tok == MDOC_Mt ? ">" : "\\(ra");
|
|
break;
|
|
case MDOC_Bro:
|
|
case MDOC_Brq:
|
|
term_word(p, "}");
|
|
break;
|
|
case MDOC_Oo:
|
|
case MDOC_Op:
|
|
case MDOC_Bo:
|
|
case MDOC_Bq:
|
|
term_word(p, "]");
|
|
break;
|
|
case MDOC__T:
|
|
/* FALLTHROUGH */
|
|
case MDOC_Do:
|
|
case MDOC_Dq:
|
|
term_word(p, "\\(rq");
|
|
break;
|
|
case MDOC_En:
|
|
if (n->norm->Es == NULL ||
|
|
n->norm->Es->child == NULL ||
|
|
n->norm->Es->child->next == NULL)
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
else
|
|
term_word(p, n->norm->Es->child->next->string);
|
|
break;
|
|
case MDOC_Po:
|
|
case MDOC_Pq:
|
|
term_word(p, ")");
|
|
break;
|
|
case MDOC_Qo:
|
|
case MDOC_Qq:
|
|
term_word(p, "\"");
|
|
break;
|
|
case MDOC_Ql:
|
|
case MDOC_So:
|
|
case MDOC_Sq:
|
|
term_word(p, "\\(cq");
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
|
|
static int
|
|
termp_eo_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type != ROFFT_BODY)
|
|
return 1;
|
|
|
|
if (n->end == ENDBODY_NOT &&
|
|
n->parent->head->child == NULL &&
|
|
n->child != NULL &&
|
|
n->child->end != ENDBODY_NOT)
|
|
term_word(p, "\\&");
|
|
else if (n->end != ENDBODY_NOT ? n->child != NULL :
|
|
n->parent->head->child != NULL && (n->child != NULL ||
|
|
(n->parent->tail != NULL && n->parent->tail->child != NULL)))
|
|
p->flags |= TERMP_NOSPACE;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_eo_post(DECL_ARGS)
|
|
{
|
|
int body, tail;
|
|
|
|
if (n->type != ROFFT_BODY)
|
|
return;
|
|
|
|
if (n->end != ENDBODY_NOT) {
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
return;
|
|
}
|
|
|
|
body = n->child != NULL || n->parent->head->child != NULL;
|
|
tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
|
|
|
|
if (body && tail)
|
|
p->flags |= TERMP_NOSPACE;
|
|
else if ( ! (body || tail))
|
|
term_word(p, "\\&");
|
|
else if ( ! tail)
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
}
|
|
|
|
static int
|
|
termp_fo_pre(DECL_ARGS)
|
|
{
|
|
size_t rmargin = 0;
|
|
int pretty;
|
|
|
|
pretty = NODE_SYNPRETTY & n->flags;
|
|
|
|
if (n->type == ROFFT_BLOCK) {
|
|
synopsis_pre(p, n);
|
|
return 1;
|
|
} else if (n->type == ROFFT_BODY) {
|
|
if (pretty) {
|
|
rmargin = p->tcol->rmargin;
|
|
p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
|
|
p->flags |= TERMP_NOBREAK | TERMP_BRIND |
|
|
TERMP_HANG;
|
|
}
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, "(");
|
|
p->flags |= TERMP_NOSPACE;
|
|
if (pretty) {
|
|
term_flushln(p);
|
|
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
|
|
TERMP_HANG);
|
|
p->flags |= TERMP_NOPAD;
|
|
p->tcol->offset = p->tcol->rmargin;
|
|
p->tcol->rmargin = rmargin;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
if (NULL == n->child)
|
|
return 0;
|
|
|
|
/* XXX: we drop non-initial arguments as per groff. */
|
|
|
|
assert(n->child->string);
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, n->child->string);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
termp_fo_post(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type != ROFFT_BODY)
|
|
return;
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ")");
|
|
|
|
if (NODE_SYNPRETTY & n->flags) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ";");
|
|
term_flushln(p);
|
|
}
|
|
}
|
|
|
|
static int
|
|
termp_bf_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type == ROFFT_HEAD)
|
|
return 0;
|
|
else if (n->type != ROFFT_BODY)
|
|
return 1;
|
|
|
|
if (FONT_Em == n->norm->Bf.font)
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
else if (FONT_Sy == n->norm->Bf.font)
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
else
|
|
term_fontpush(p, TERMFONT_NONE);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_sm_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (NULL == n->child)
|
|
p->flags ^= TERMP_NONOSPACE;
|
|
else if (0 == strcmp("on", n->child->string))
|
|
p->flags &= ~TERMP_NONOSPACE;
|
|
else
|
|
p->flags |= TERMP_NONOSPACE;
|
|
|
|
if (p->col && ! (TERMP_NONOSPACE & p->flags))
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
termp_ap_pre(DECL_ARGS)
|
|
{
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, "'");
|
|
p->flags |= TERMP_NOSPACE;
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp____post(DECL_ARGS)
|
|
{
|
|
|
|
/*
|
|
* Handle lists of authors. In general, print each followed by
|
|
* a comma. Don't print the comma if there are only two
|
|
* authors.
|
|
*/
|
|
if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
|
|
if (NULL == n->next->next || MDOC__A != n->next->next->tok)
|
|
if (NULL == n->prev || MDOC__A != n->prev->tok)
|
|
return;
|
|
|
|
/* TODO: %U. */
|
|
|
|
if (NULL == n->parent || MDOC_Rs != n->parent->tok)
|
|
return;
|
|
|
|
p->flags |= TERMP_NOSPACE;
|
|
if (NULL == n->next) {
|
|
term_word(p, ".");
|
|
p->flags |= TERMP_SENTENCE;
|
|
} else
|
|
term_word(p, ",");
|
|
}
|
|
|
|
static int
|
|
termp_li_pre(DECL_ARGS)
|
|
{
|
|
|
|
termp_tag_pre(p, pair, meta, n);
|
|
term_fontpush(p, TERMFONT_NONE);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_lk_pre(DECL_ARGS)
|
|
{
|
|
const struct roff_node *link, *descr, *punct;
|
|
|
|
if ((link = n->child) == NULL)
|
|
return 0;
|
|
|
|
/* Find beginning of trailing punctuation. */
|
|
punct = n->last;
|
|
while (punct != link && punct->flags & NODE_DELIMC)
|
|
punct = punct->prev;
|
|
punct = punct->next;
|
|
|
|
/* Link text. */
|
|
if ((descr = link->next) != NULL && descr != punct) {
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
while (descr != punct) {
|
|
if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, descr->string);
|
|
descr = descr->next;
|
|
}
|
|
term_fontpop(p);
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, ":");
|
|
}
|
|
|
|
/* Link target. */
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
term_word(p, link->string);
|
|
term_fontpop(p);
|
|
|
|
/* Trailing punctuation. */
|
|
while (punct != NULL) {
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_word(p, punct->string);
|
|
punct = punct->next;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
termp_bk_pre(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case ROFFT_BLOCK:
|
|
break;
|
|
case ROFFT_HEAD:
|
|
return 0;
|
|
case ROFFT_BODY:
|
|
if (n->parent->args != NULL || n->prev->child == NULL)
|
|
p->flags |= TERMP_PREKEEP;
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
termp_bk_post(DECL_ARGS)
|
|
{
|
|
|
|
if (n->type == ROFFT_BODY)
|
|
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
|
|
}
|
|
|
|
static void
|
|
termp__t_post(DECL_ARGS)
|
|
{
|
|
|
|
/*
|
|
* If we're in an `Rs' and there's a journal present, then quote
|
|
* us instead of underlining us (for disambiguation).
|
|
*/
|
|
if (n->parent && MDOC_Rs == n->parent->tok &&
|
|
n->parent->norm->Rs.quote_T)
|
|
termp_quote_post(p, pair, meta, n);
|
|
|
|
termp____post(p, pair, meta, n);
|
|
}
|
|
|
|
static int
|
|
termp__t_pre(DECL_ARGS)
|
|
{
|
|
|
|
/*
|
|
* If we're in an `Rs' and there's a journal present, then quote
|
|
* us instead of underlining us (for disambiguation).
|
|
*/
|
|
if (n->parent && MDOC_Rs == n->parent->tok &&
|
|
n->parent->norm->Rs.quote_T)
|
|
return termp_quote_pre(p, pair, meta, n);
|
|
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_under_pre(DECL_ARGS)
|
|
{
|
|
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_em_pre(DECL_ARGS)
|
|
{
|
|
if (n->child != NULL &&
|
|
n->child->type == ROFFT_TEXT)
|
|
tag_put(n->child->string, 0, p->line);
|
|
term_fontpush(p, TERMFONT_UNDER);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_sy_pre(DECL_ARGS)
|
|
{
|
|
if (n->child != NULL &&
|
|
n->child->type == ROFFT_TEXT)
|
|
tag_put(n->child->string, 0, p->line);
|
|
term_fontpush(p, TERMFONT_BOLD);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_er_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->sec == SEC_ERRORS &&
|
|
(n->parent->tok == MDOC_It ||
|
|
(n->parent->tok == MDOC_Bq &&
|
|
n->parent->parent->parent->tok == MDOC_It)))
|
|
tag_put(n->child->string, 1, p->line);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_tag_pre(DECL_ARGS)
|
|
{
|
|
|
|
if (n->child != NULL &&
|
|
n->child->type == ROFFT_TEXT &&
|
|
(n->prev == NULL ||
|
|
(n->prev->type == ROFFT_TEXT &&
|
|
strcmp(n->prev->string, "|") == 0)) &&
|
|
(n->parent->tok == MDOC_It ||
|
|
(n->parent->tok == MDOC_Xo &&
|
|
n->parent->parent->prev == NULL &&
|
|
n->parent->parent->parent->tok == MDOC_It)))
|
|
tag_put(n->child->string, 1, p->line);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
termp_abort_pre(DECL_ARGS)
|
|
{
|
|
abort();
|
|
}
|