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/* texlang.h
Copyright 2009 Taco Hoekwater <taco@luatex.org>
This file is part of LuaTeX.
LuaTeX 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 of the License, or (at your
option) any later version.
LuaTeX 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 Lesser General Public
License for more details.
You should have received a copy of the GNU General Public License along
with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
#ifndef TEXLANG_H
# define TEXLANG_H
typedef struct _lang_variables {
int pre_hyphen_char;
int post_hyphen_char;
int pre_exhyphen_char;
int post_exhyphen_char;
} lang_variables;
# include "lang/hyphen.h"
struct tex_language {
HyphenDict *patterns;
int exceptions; /* lua registry pointer, should be replaced */
int id;
int pre_hyphen_char;
int post_hyphen_char;
int pre_exhyphen_char;
int post_exhyphen_char;
int hyphenation_min;
};
# define MAX_WORD_LEN 65536 /* in chars */
extern struct tex_language *new_language(int n);
extern struct tex_language *get_language(int n);
extern void load_patterns(struct tex_language *lang, const unsigned char *buf);
extern void load_hyphenation(struct tex_language *lang, const unsigned char *buf);
extern int hyphenate_string(struct tex_language *lang, char *w, char **ret);
extern void new_hyphenation(halfword h, halfword t);
extern void clear_patterns(struct tex_language *lang);
extern void clear_hyphenation(struct tex_language *lang);
extern const char *clean_hyphenation(int id, const char *buffer, char **cleaned);
extern void hnj_hyphenation(halfword head, halfword tail);
extern void set_pre_hyphen_char(int lan, int val);
extern void set_post_hyphen_char(int lan, int val);
extern int get_pre_hyphen_char(int lan);
extern int get_post_hyphen_char(int lan);
extern void set_pre_exhyphen_char(int lan, int val);
extern void set_post_exhyphen_char(int lan, int val);
extern int get_pre_exhyphen_char(int lan);
extern int get_post_exhyphen_char(int lan);
extern void set_hyphenation_min(int lan, int val);
extern int get_hyphenation_min(int lan);
/* extern halfword compound_word_break(halfword t, int clang); */
extern void dump_language_data(void);
extern void undump_language_data(void);
extern char *exception_strings(struct tex_language *lang);
extern void new_hyph_exceptions(void);
extern void new_patterns(void);
extern void new_pre_hyphen_char(void);
extern void new_post_hyphen_char(void);
extern void new_pre_exhyphen_char(void);
extern void new_post_exhyphen_char(void);
extern void new_hyphenation_min(void);
extern void new_hj_code(void);
extern void set_disc_field(halfword f, halfword t);
extern halfword insert_syllable_discretionary(halfword t, lang_variables * lan);
#endif
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