/contrib/groff/src/roff/troff/charinfo.h
https://bitbucket.org/freebsd/freebsd-head/ · C++ Header · 214 lines · 167 code · 25 blank · 22 comment · 7 complexity · f4f10be412d558c29d924787bad0994d MD5 · raw file
- // -*- C++ -*-
- /* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2002
- 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, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, 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;
- unsigned char asciify_code;
- char not_found;
- char transparent_translate; // non-zero means translation applies
- // to transparent throughput
- char translate_input; // non-zero means that asciify_code is
- // active for .asciify (set by .trin)
- char_mode mode;
- 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();
- unsigned char get_asciify_code();
- void set_hyphenation_code(unsigned char);
- void set_ascii_code(unsigned char);
- void set_asciify_code(unsigned char);
- void set_translation_input();
- int get_translation_input();
- charinfo *get_translation(int = 0);
- void set_translation(charinfo *, int, int);
- void set_flags(unsigned char);
- void set_special_translation(int, int);
- int get_special_translation(int = 0);
- macro *set_macro(macro *);
- macro *setx_macro(macro *, char_mode);
- macro *get_macro();
- int first_time_not_found();
- void set_number(int);
- int get_number();
- int numbered();
- int is_normal();
- int is_fallback();
- int is_special();
- symbol *get_symbol();
- };
- 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 int charinfo::is_normal()
- {
- return mode == CHAR_NORMAL;
- }
- inline int charinfo::is_fallback()
- {
- return mode == CHAR_FALLBACK;
- }
- inline int charinfo::is_special()
- {
- return mode == CHAR_SPECIAL;
- }
- 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 unsigned char charinfo::get_asciify_code()
- {
- return (translate_input ? asciify_code : 0);
- }
- inline void charinfo::set_flags(unsigned char c)
- {
- flags = c;
- }
- inline int charinfo::get_index()
- {
- return index;
- }
- inline void charinfo::set_translation_input()
- {
- translate_input = 1;
- }
- inline int charinfo::get_translation_input()
- {
- return translate_input;
- }
- 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;
- }
- }
- inline symbol *charinfo::get_symbol()
- {
- return( &nm );
- }