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