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// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
This file is part of groff.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
groff is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with groff; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
class macro;
class charinfo {
static int next_index;
charinfo *translation;
int index;
int number;
macro *mac;
unsigned char special_translation;
unsigned char hyphenation_code;
unsigned char flags;
unsigned char ascii_code;
char not_found;
char transparent_translate; // non-zero means translation applies to
// to transparent throughput
public:
enum {
ENDS_SENTENCE = 1,
BREAK_BEFORE = 2,
BREAK_AFTER = 4,
OVERLAPS_HORIZONTALLY = 8,
OVERLAPS_VERTICALLY = 16,
TRANSPARENT = 32,
NUMBERED = 64
};
enum {
TRANSLATE_NONE,
TRANSLATE_SPACE,
TRANSLATE_DUMMY,
TRANSLATE_STRETCHABLE_SPACE,
TRANSLATE_HYPHEN_INDICATOR
};
symbol nm;
charinfo(symbol s);
int get_index();
int ends_sentence();
int overlaps_vertically();
int overlaps_horizontally();
int can_break_before();
int can_break_after();
int transparent();
unsigned char get_hyphenation_code();
unsigned char get_ascii_code();
void set_hyphenation_code(unsigned char);
void set_ascii_code(unsigned char);
charinfo *get_translation(int = 0);
void set_translation(charinfo *, int);
void set_flags(unsigned char);
void set_special_translation(int, int);
int get_special_translation(int = 0);
macro *set_macro(macro *);
macro *get_macro();
int first_time_not_found();
void set_number(int);
int get_number();
int numbered();
};
charinfo *get_charinfo(symbol);
extern charinfo *charset_table[];
charinfo *get_charinfo_by_number(int);
inline int charinfo::overlaps_horizontally()
{
return flags & OVERLAPS_HORIZONTALLY;
}
inline int charinfo::overlaps_vertically()
{
return flags & OVERLAPS_VERTICALLY;
}
inline int charinfo::can_break_before()
{
return flags & BREAK_BEFORE;
}
inline int charinfo::can_break_after()
{
return flags & BREAK_AFTER;
}
inline int charinfo::ends_sentence()
{
return flags & ENDS_SENTENCE;
}
inline int charinfo::transparent()
{
return flags & TRANSPARENT;
}
inline int charinfo::numbered()
{
return flags & NUMBERED;
}
inline charinfo *charinfo::get_translation(int transparent_throughput)
{
return (transparent_throughput && !transparent_translate
? 0
: translation);
}
inline unsigned char charinfo::get_hyphenation_code()
{
return hyphenation_code;
}
inline unsigned char charinfo::get_ascii_code()
{
return ascii_code;
}
inline void charinfo::set_flags(unsigned char c)
{
flags = c;
}
inline int charinfo::get_index()
{
return index;
}
inline int charinfo::get_special_translation(int transparent_throughput)
{
return (transparent_throughput && !transparent_translate
? int(TRANSLATE_NONE)
: special_translation);
}
inline macro *charinfo::get_macro()
{
return mac;
}
inline int charinfo::first_time_not_found()
{
if (not_found)
return 0;
else {
not_found = 1;
return 1;
}
}
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