965 lines
17 KiB
C
965 lines
17 KiB
C
/* $Id: man_term.c,v 1.76 2010/06/19 20:46:28 kristaps Exp $ */
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/*
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* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "mandoc.h"
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#include "out.h"
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#include "man.h"
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#include "term.h"
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#include "chars.h"
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#include "main.h"
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#define INDENT 7
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#define HALFINDENT 3
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/* FIXME: have PD set the default vspace width. */
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struct mtermp {
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int fl;
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#define MANT_LITERAL (1 << 0)
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/*
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* Default amount to indent the left margin after leading text
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* has been printed (e.g., `HP' left-indent, `TP' and `IP' body
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* indent). This needs to be saved because `HP' and so on, if
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* not having a specified value, must default.
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*
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* Note that this is the indentation AFTER the left offset, so
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* the total offset is usually offset + lmargin.
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*/
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size_t lmargin;
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/*
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* The default offset, i.e., the amount between any text and the
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* page boundary.
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*/
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size_t offset;
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};
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#define DECL_ARGS struct termp *p, \
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struct mtermp *mt, \
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const struct man_node *n, \
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const struct man_meta *m
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struct termact {
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int (*pre)(DECL_ARGS);
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void (*post)(DECL_ARGS);
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int flags;
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#define MAN_NOTEXT (1 << 0) /* Never has text children. */
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};
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static int a2width(const struct man_node *);
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static int a2height(const struct man_node *);
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static void print_man_nodelist(DECL_ARGS);
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static void print_man_node(DECL_ARGS);
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static void print_man_head(struct termp *, const void *);
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static void print_man_foot(struct termp *, const void *);
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static void print_bvspace(struct termp *,
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const struct man_node *);
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static int pre_B(DECL_ARGS);
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static int pre_BI(DECL_ARGS);
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static int pre_HP(DECL_ARGS);
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static int pre_I(DECL_ARGS);
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static int pre_IP(DECL_ARGS);
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static int pre_PP(DECL_ARGS);
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static int pre_RB(DECL_ARGS);
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static int pre_RI(DECL_ARGS);
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static int pre_RS(DECL_ARGS);
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static int pre_SH(DECL_ARGS);
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static int pre_SS(DECL_ARGS);
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static int pre_TP(DECL_ARGS);
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static int pre_br(DECL_ARGS);
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static int pre_fi(DECL_ARGS);
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static int pre_ign(DECL_ARGS);
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static int pre_nf(DECL_ARGS);
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static int pre_sp(DECL_ARGS);
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static void post_IP(DECL_ARGS);
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static void post_HP(DECL_ARGS);
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static void post_RS(DECL_ARGS);
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static void post_SH(DECL_ARGS);
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static void post_SS(DECL_ARGS);
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static void post_TP(DECL_ARGS);
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static const struct termact termacts[MAN_MAX] = {
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{ pre_br, NULL, MAN_NOTEXT }, /* br */
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{ NULL, NULL, 0 }, /* TH */
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{ pre_SH, post_SH, 0 }, /* SH */
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{ pre_SS, post_SS, 0 }, /* SS */
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{ pre_TP, post_TP, 0 }, /* TP */
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{ pre_PP, NULL, 0 }, /* LP */
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{ pre_PP, NULL, 0 }, /* PP */
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{ pre_PP, NULL, 0 }, /* P */
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{ pre_IP, post_IP, 0 }, /* IP */
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{ pre_HP, post_HP, 0 }, /* HP */
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{ NULL, NULL, 0 }, /* SM */
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{ pre_B, NULL, 0 }, /* SB */
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{ pre_BI, NULL, 0 }, /* BI */
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{ pre_BI, NULL, 0 }, /* IB */
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{ pre_RB, NULL, 0 }, /* BR */
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{ pre_RB, NULL, 0 }, /* RB */
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{ NULL, NULL, 0 }, /* R */
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{ pre_B, NULL, 0 }, /* B */
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{ pre_I, NULL, 0 }, /* I */
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{ pre_RI, NULL, 0 }, /* IR */
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{ pre_RI, NULL, 0 }, /* RI */
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{ NULL, NULL, MAN_NOTEXT }, /* na */
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{ pre_I, NULL, 0 }, /* i */
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{ pre_sp, NULL, MAN_NOTEXT }, /* sp */
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{ pre_nf, NULL, 0 }, /* nf */
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{ pre_fi, NULL, 0 }, /* fi */
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{ NULL, NULL, 0 }, /* r */
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{ NULL, NULL, 0 }, /* RE */
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{ pre_RS, post_RS, 0 }, /* RS */
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{ pre_ign, NULL, 0 }, /* DT */
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{ pre_ign, NULL, 0 }, /* UC */
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{ pre_ign, NULL, 0 }, /* PD */
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{ pre_sp, NULL, MAN_NOTEXT }, /* Sp */
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{ pre_nf, NULL, 0 }, /* Vb */
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{ pre_fi, NULL, 0 }, /* Ve */
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{ pre_ign, NULL, 0 }, /* AT */
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};
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void
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terminal_man(void *arg, const struct man *man)
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{
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struct termp *p;
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const struct man_node *n;
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const struct man_meta *m;
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struct mtermp mt;
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p = (struct termp *)arg;
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p->overstep = 0;
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p->maxrmargin = p->defrmargin;
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p->tabwidth = 5;
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if (NULL == p->symtab)
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switch (p->enc) {
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case (TERMENC_ASCII):
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p->symtab = chars_init(CHARS_ASCII);
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break;
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default:
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abort();
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/* NOTREACHED */
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}
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n = man_node(man);
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m = man_meta(man);
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term_begin(p, print_man_head, print_man_foot, m);
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p->flags |= TERMP_NOSPACE;
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mt.fl = 0;
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mt.lmargin = INDENT;
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mt.offset = INDENT;
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if (n->child)
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print_man_nodelist(p, &mt, n->child, m);
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term_end(p);
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}
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static int
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a2height(const struct man_node *n)
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{
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struct roffsu su;
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assert(MAN_TEXT == n->type);
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assert(n->string);
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if ( ! a2roffsu(n->string, &su, SCALE_VS))
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SCALE_VS_INIT(&su, strlen(n->string));
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return((int)term_vspan(&su));
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}
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static int
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a2width(const struct man_node *n)
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{
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struct roffsu su;
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assert(MAN_TEXT == n->type);
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assert(n->string);
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if ( ! a2roffsu(n->string, &su, SCALE_BU))
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return(-1);
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return((int)term_hspan(&su));
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}
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static void
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print_bvspace(struct termp *p, const struct man_node *n)
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{
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term_newln(p);
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if (NULL == n->prev)
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return;
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if (MAN_SS == n->prev->tok)
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return;
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if (MAN_SH == n->prev->tok)
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return;
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term_vspace(p);
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}
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/* ARGSUSED */
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static int
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pre_ign(DECL_ARGS)
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{
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_I(DECL_ARGS)
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{
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term_fontrepl(p, TERMFONT_UNDER);
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return(1);
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}
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/* ARGSUSED */
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static int
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pre_fi(DECL_ARGS)
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{
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mt->fl &= ~MANT_LITERAL;
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return(1);
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}
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/* ARGSUSED */
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static int
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pre_nf(DECL_ARGS)
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{
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mt->fl |= MANT_LITERAL;
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return(MAN_Vb != n->tok);
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}
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/* ARGSUSED */
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static int
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pre_RB(DECL_ARGS)
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{
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const struct man_node *nn;
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int i;
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for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
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if (i % 2 && MAN_RB == n->tok)
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term_fontrepl(p, TERMFONT_BOLD);
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else if ( ! (i % 2) && MAN_RB != n->tok)
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term_fontrepl(p, TERMFONT_BOLD);
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else
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term_fontrepl(p, TERMFONT_NONE);
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if (i > 0)
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p->flags |= TERMP_NOSPACE;
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print_man_node(p, mt, nn, m);
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}
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_RI(DECL_ARGS)
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{
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const struct man_node *nn;
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int i;
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for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
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if (i % 2 && MAN_RI == n->tok)
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term_fontrepl(p, TERMFONT_UNDER);
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else if ( ! (i % 2) && MAN_RI != n->tok)
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term_fontrepl(p, TERMFONT_UNDER);
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else
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term_fontrepl(p, TERMFONT_NONE);
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if (i > 0)
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p->flags |= TERMP_NOSPACE;
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print_man_node(p, mt, nn, m);
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}
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_BI(DECL_ARGS)
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{
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const struct man_node *nn;
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int i;
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for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
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if (i % 2 && MAN_BI == n->tok)
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term_fontrepl(p, TERMFONT_UNDER);
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else if (i % 2)
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term_fontrepl(p, TERMFONT_BOLD);
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else if (MAN_BI == n->tok)
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term_fontrepl(p, TERMFONT_BOLD);
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else
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term_fontrepl(p, TERMFONT_UNDER);
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if (i)
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p->flags |= TERMP_NOSPACE;
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print_man_node(p, mt, nn, m);
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}
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_B(DECL_ARGS)
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{
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term_fontrepl(p, TERMFONT_BOLD);
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return(1);
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}
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/* ARGSUSED */
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static int
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pre_sp(DECL_ARGS)
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{
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int i, len;
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len = n->child ? a2height(n->child) : 1;
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if (0 == len)
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term_newln(p);
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for (i = 0; i <= len; i++)
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term_vspace(p);
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_br(DECL_ARGS)
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{
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term_newln(p);
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return(0);
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}
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/* ARGSUSED */
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static int
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pre_HP(DECL_ARGS)
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{
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size_t len;
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int ival;
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const struct man_node *nn;
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switch (n->type) {
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case (MAN_BLOCK):
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print_bvspace(p, n);
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return(1);
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case (MAN_BODY):
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p->flags |= TERMP_NOBREAK;
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p->flags |= TERMP_TWOSPACE;
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break;
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default:
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return(0);
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}
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len = mt->lmargin;
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ival = -1;
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/* Calculate offset. */
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if (NULL != (nn = n->parent->head->child))
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if ((ival = a2width(nn)) >= 0)
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len = (size_t)ival;
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if (0 == len)
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len = 1;
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p->offset = mt->offset;
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p->rmargin = mt->offset + len;
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if (ival >= 0)
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mt->lmargin = (size_t)ival;
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return(1);
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}
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/* ARGSUSED */
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static void
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post_HP(DECL_ARGS)
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{
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switch (n->type) {
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case (MAN_BLOCK):
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term_flushln(p);
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break;
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case (MAN_BODY):
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term_flushln(p);
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p->flags &= ~TERMP_NOBREAK;
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p->flags &= ~TERMP_TWOSPACE;
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p->offset = mt->offset;
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p->rmargin = p->maxrmargin;
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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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/* ARGSUSED */
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static int
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pre_PP(DECL_ARGS)
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{
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switch (n->type) {
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case (MAN_BLOCK):
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mt->lmargin = INDENT;
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print_bvspace(p, n);
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break;
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default:
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p->offset = mt->offset;
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break;
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}
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return(1);
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}
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/* ARGSUSED */
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static int
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pre_IP(DECL_ARGS)
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{
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const struct man_node *nn;
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size_t len;
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int ival;
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switch (n->type) {
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case (MAN_BODY):
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p->flags |= TERMP_NOLPAD;
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p->flags |= TERMP_NOSPACE;
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break;
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case (MAN_HEAD):
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p->flags |= TERMP_NOBREAK;
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break;
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case (MAN_BLOCK):
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print_bvspace(p, n);
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/* FALLTHROUGH */
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default:
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return(1);
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}
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len = mt->lmargin;
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ival = -1;
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/* Calculate offset. */
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if (NULL != (nn = n->parent->head->child))
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if (NULL != (nn = nn->next)) {
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for ( ; nn->next; nn = nn->next)
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/* Do nothing. */ ;
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if ((ival = a2width(nn)) >= 0)
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len = (size_t)ival;
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}
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switch (n->type) {
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case (MAN_HEAD):
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/* Handle zero-width lengths. */
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if (0 == len)
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len = 1;
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p->offset = mt->offset;
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p->rmargin = mt->offset + len;
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if (ival < 0)
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break;
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/* Set the saved left-margin. */
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mt->lmargin = (size_t)ival;
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/* Don't print the length value. */
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for (nn = n->child; nn->next; nn = nn->next)
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print_man_node(p, mt, nn, m);
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return(0);
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case (MAN_BODY):
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p->offset = mt->offset + len;
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p->rmargin = p->maxrmargin;
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break;
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default:
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break;
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}
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return(1);
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}
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|
|
|
|
/* ARGSUSED */
|
|
static void
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post_IP(DECL_ARGS)
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{
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|
|
|
switch (n->type) {
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case (MAN_HEAD):
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term_flushln(p);
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p->flags &= ~TERMP_NOBREAK;
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p->rmargin = p->maxrmargin;
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break;
|
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case (MAN_BODY):
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term_flushln(p);
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p->flags &= ~TERMP_NOLPAD;
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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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|
|
|
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/* ARGSUSED */
|
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static int
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pre_TP(DECL_ARGS)
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{
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const struct man_node *nn;
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size_t len;
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int ival;
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|
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switch (n->type) {
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case (MAN_HEAD):
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p->flags |= TERMP_NOBREAK;
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p->flags |= TERMP_TWOSPACE;
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break;
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case (MAN_BODY):
|
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p->flags |= TERMP_NOLPAD;
|
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p->flags |= TERMP_NOSPACE;
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break;
|
|
case (MAN_BLOCK):
|
|
print_bvspace(p, n);
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/* FALLTHROUGH */
|
|
default:
|
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return(1);
|
|
}
|
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|
|
len = (size_t)mt->lmargin;
|
|
ival = -1;
|
|
|
|
/* Calculate offset. */
|
|
|
|
if (NULL != (nn = n->parent->head->child)) {
|
|
while (nn && MAN_TEXT != nn->type)
|
|
nn = nn->next;
|
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if (nn && nn->next)
|
|
if ((ival = a2width(nn)) >= 0)
|
|
len = (size_t)ival;
|
|
}
|
|
|
|
switch (n->type) {
|
|
case (MAN_HEAD):
|
|
/* Handle zero-length properly. */
|
|
if (0 == len)
|
|
len = 1;
|
|
|
|
p->offset = mt->offset;
|
|
p->rmargin = mt->offset + len;
|
|
|
|
/* Don't print same-line elements. */
|
|
for (nn = n->child; nn; nn = nn->next)
|
|
if (nn->line > n->line)
|
|
print_man_node(p, mt, nn, m);
|
|
|
|
if (ival >= 0)
|
|
mt->lmargin = (size_t)ival;
|
|
|
|
return(0);
|
|
case (MAN_BODY):
|
|
p->offset = mt->offset + len;
|
|
p->rmargin = p->maxrmargin;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
post_TP(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_HEAD):
|
|
term_flushln(p);
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
p->flags &= ~TERMP_TWOSPACE;
|
|
p->rmargin = p->maxrmargin;
|
|
break;
|
|
case (MAN_BODY):
|
|
term_flushln(p);
|
|
p->flags &= ~TERMP_NOLPAD;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_SS(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
mt->lmargin = INDENT;
|
|
mt->offset = INDENT;
|
|
/* If following a prior empty `SS', no vspace. */
|
|
if (n->prev && MAN_SS == n->prev->tok)
|
|
if (NULL == n->prev->body->child)
|
|
break;
|
|
if (NULL == n->prev)
|
|
break;
|
|
term_vspace(p);
|
|
break;
|
|
case (MAN_HEAD):
|
|
term_fontrepl(p, TERMFONT_BOLD);
|
|
p->offset = HALFINDENT;
|
|
break;
|
|
case (MAN_BODY):
|
|
p->offset = mt->offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
post_SS(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_HEAD):
|
|
term_newln(p);
|
|
break;
|
|
case (MAN_BODY):
|
|
term_newln(p);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_SH(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
mt->lmargin = INDENT;
|
|
mt->offset = INDENT;
|
|
/* If following a prior empty `SH', no vspace. */
|
|
if (n->prev && MAN_SH == n->prev->tok)
|
|
if (NULL == n->prev->body->child)
|
|
break;
|
|
/* If the first macro, no vspae. */
|
|
if (NULL == n->prev)
|
|
break;
|
|
term_vspace(p);
|
|
break;
|
|
case (MAN_HEAD):
|
|
term_fontrepl(p, TERMFONT_BOLD);
|
|
p->offset = 0;
|
|
break;
|
|
case (MAN_BODY):
|
|
p->offset = mt->offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
post_SH(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_HEAD):
|
|
term_newln(p);
|
|
break;
|
|
case (MAN_BODY):
|
|
term_newln(p);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static int
|
|
pre_RS(DECL_ARGS)
|
|
{
|
|
const struct man_node *nn;
|
|
int ival;
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
term_newln(p);
|
|
return(1);
|
|
case (MAN_HEAD):
|
|
return(0);
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (NULL == (nn = n->parent->head->child)) {
|
|
mt->offset = mt->lmargin + INDENT;
|
|
p->offset = mt->offset;
|
|
return(1);
|
|
}
|
|
|
|
if ((ival = a2width(nn)) < 0)
|
|
return(1);
|
|
|
|
mt->offset = INDENT + (size_t)ival;
|
|
p->offset = mt->offset;
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
post_RS(DECL_ARGS)
|
|
{
|
|
|
|
switch (n->type) {
|
|
case (MAN_BLOCK):
|
|
mt->offset = mt->lmargin = INDENT;
|
|
break;
|
|
case (MAN_HEAD):
|
|
break;
|
|
default:
|
|
term_newln(p);
|
|
p->offset = INDENT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_node(DECL_ARGS)
|
|
{
|
|
size_t rm, rmax;
|
|
int c;
|
|
|
|
c = 1;
|
|
|
|
switch (n->type) {
|
|
case(MAN_TEXT):
|
|
if (0 == *n->string) {
|
|
term_vspace(p);
|
|
break;
|
|
}
|
|
|
|
term_word(p, n->string);
|
|
|
|
/* FIXME: this means that macro lines are munged! */
|
|
|
|
if (MANT_LITERAL & mt->fl) {
|
|
rm = p->rmargin;
|
|
rmax = p->maxrmargin;
|
|
p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
|
|
p->flags |= TERMP_NOSPACE;
|
|
term_flushln(p);
|
|
p->rmargin = rm;
|
|
p->maxrmargin = rmax;
|
|
}
|
|
break;
|
|
default:
|
|
if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
if (termacts[n->tok].pre)
|
|
c = (*termacts[n->tok].pre)(p, mt, n, m);
|
|
break;
|
|
}
|
|
|
|
if (c && n->child)
|
|
print_man_nodelist(p, mt, n->child, m);
|
|
|
|
if (MAN_TEXT != n->type) {
|
|
if (termacts[n->tok].post)
|
|
(*termacts[n->tok].post)(p, mt, n, m);
|
|
if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
}
|
|
|
|
if (MAN_EOS & n->flags)
|
|
p->flags |= TERMP_SENTENCE;
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_nodelist(DECL_ARGS)
|
|
{
|
|
|
|
print_man_node(p, mt, n, m);
|
|
if ( ! n->next)
|
|
return;
|
|
print_man_nodelist(p, mt, n->next, m);
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_foot(struct termp *p, const void *arg)
|
|
{
|
|
char buf[DATESIZ];
|
|
const struct man_meta *meta;
|
|
|
|
meta = (const struct man_meta *)arg;
|
|
|
|
term_fontrepl(p, TERMFONT_NONE);
|
|
|
|
if (meta->rawdate)
|
|
strlcpy(buf, meta->rawdate, DATESIZ);
|
|
else
|
|
time2a(meta->date, buf, DATESIZ);
|
|
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
|
|
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
|
|
p->rmargin = p->maxrmargin - strlen(buf);
|
|
p->offset = 0;
|
|
|
|
if (meta->source)
|
|
term_word(p, meta->source);
|
|
if (meta->source)
|
|
term_word(p, "");
|
|
term_flushln(p);
|
|
|
|
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->maxrmargin;
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
|
|
term_word(p, buf);
|
|
term_flushln(p);
|
|
}
|
|
|
|
|
|
static void
|
|
print_man_head(struct termp *p, const void *arg)
|
|
{
|
|
char buf[BUFSIZ], title[BUFSIZ];
|
|
size_t buflen, titlen;
|
|
const struct man_meta *m;
|
|
|
|
m = (const struct man_meta *)arg;
|
|
|
|
/*
|
|
* Note that old groff would spit out some spaces before the
|
|
* header. We discontinue this strange behaviour, but at one
|
|
* point we did so here.
|
|
*/
|
|
|
|
p->rmargin = p->maxrmargin;
|
|
|
|
p->offset = 0;
|
|
buf[0] = title[0] = '\0';
|
|
|
|
if (m->vol)
|
|
strlcpy(buf, m->vol, BUFSIZ);
|
|
buflen = strlen(buf);
|
|
|
|
snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
|
|
titlen = strlen(title);
|
|
|
|
p->offset = 0;
|
|
p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
|
|
(p->maxrmargin - strlen(buf) + 1) / 2 :
|
|
p->maxrmargin - buflen;
|
|
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
|
|
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
|
|
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
|
|
p->maxrmargin - titlen : p->maxrmargin;
|
|
|
|
term_word(p, buf);
|
|
term_flushln(p);
|
|
|
|
p->flags &= ~TERMP_NOBREAK;
|
|
if (p->rmargin + titlen <= p->maxrmargin) {
|
|
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
|
|
p->offset = p->rmargin;
|
|
p->rmargin = p->maxrmargin;
|
|
term_word(p, title);
|
|
term_flushln(p);
|
|
}
|
|
|
|
p->rmargin = p->maxrmargin;
|
|
p->offset = 0;
|
|
p->flags &= ~TERMP_NOSPACE;
|
|
|
|
/*
|
|
* Groff likes to have some leading spaces before content. Well
|
|
* that's fine by me.
|
|
*/
|
|
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
term_vspace(p);
|
|
}
|