source/texk/web2c/luatexdir/lang/texlang.h

   1 /* texlang.h
   2
   3    Copyright 2009 Taco Hoekwater <taco@luatex.org>
   4
   5    This file is part of LuaTeX.
   6
   7    LuaTeX is free software; you can redistribute it and/or modify it under
   8    the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2 of the License, or (at your
  10    option) any later version.
  11
  12    LuaTeX is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License along
  18    with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
  19
  20
  21 #ifndef TEXLANG_H
  22 #  define TEXLANG_H
  23
  24 typedef struct _lang_variables {
  25     int pre_hyphen_char;
  26     int post_hyphen_char;
  27     int pre_exhyphen_char;
  28     int post_exhyphen_char;
  29 } lang_variables;
  30
  31 #  include "lang/hyphen.h"
  32
  33 struct tex_language {
  34     HyphenDict *patterns;
  35     int exceptions;             /* lua registry pointer, should be replaced */
  36     int id;
  37     int pre_hyphen_char;
  38     int post_hyphen_char;
  39     int pre_exhyphen_char;
  40     int post_exhyphen_char;
  41     int hyphenation_min;
  42 };
  43
  44 #  define MAX_WORD_LEN 65536      /* in chars */
  45
  46 extern struct tex_language *new_language(int n);
  47 extern struct tex_language *get_language(int n);
  48 extern void load_patterns(struct tex_language *lang, const unsigned char *buf);
  49 extern void load_hyphenation(struct tex_language *lang,
  50                              const unsigned char *buf);
  51 extern int hyphenate_string(struct tex_language *lang, char *w, char **ret);
  52
  53 extern void new_hyphenation(halfword h, halfword t);
  54 extern void clear_patterns(struct tex_language *lang);
  55 extern void clear_hyphenation(struct tex_language *lang);
  56 extern const char *clean_hyphenation(int id, const char *buffer, char **cleaned);
  57 extern void hnj_hyphenation(halfword head, halfword tail);
  58
  59 extern void set_pre_hyphen_char(int lan, int val);
  60 extern void set_post_hyphen_char(int lan, int val);
  61 extern int get_pre_hyphen_char(int lan);
  62 extern int get_post_hyphen_char(int lan);
  63
  64 extern void set_pre_exhyphen_char(int lan, int val);
  65 extern void set_post_exhyphen_char(int lan, int val);
  66 extern int get_pre_exhyphen_char(int lan);
  67 extern int get_post_exhyphen_char(int lan);
  68
  69 extern void set_hyphenation_min(int lan, int val);
  70 extern int get_hyphenation_min(int lan);
  71
  72 extern halfword compound_word_break(halfword t, int clang);
  73
  74 extern void dump_language_data(void);
  75 extern void undump_language_data(void);
  76 extern char *exception_strings(struct tex_language *lang);
  77
  78 extern void new_hyph_exceptions(void);
  79 extern void new_patterns(void);
  80 extern void new_pre_hyphen_char(void);
  81 extern void new_post_hyphen_char(void);
  82 extern void new_pre_exhyphen_char(void);
  83 extern void new_post_exhyphen_char(void);
  84 extern void new_hyphenation_min(void);
  85 extern void new_hj_code(void);
  86
  87
  88 #endif