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/*
See license.txt in the root of this project.
*/
# ifndef LMT_TEXLANG_H
# define LMT_TEXLANG_H
/*tex We resolve the properties beforehand and store them in a struct. */
typedef struct language_state_info {
struct tex_language **languages;
memory_data language_data;
lua_Integer handler_table_id;
int handler_count;
} language_state_info;
extern language_state_info lmt_language_state;
typedef struct lang_variables {
halfword pre_hyphen_char;
halfword post_hyphen_char;
halfword pre_exhyphen_char;
halfword post_exhyphen_char;
} lang_variables;
/*tex This is used in: */
typedef struct tex_language {
halfword pre_hyphen_char;
halfword post_hyphen_char;
halfword pre_exhyphen_char;
halfword post_exhyphen_char;
halfword hyphenation_min;
halfword id;
hjn_dictionary *patterns;
int exceptions;
int wordhandler;
sa_tree hjcode_head;
} tex_language;
extern tex_language *tex_new_language (halfword n);
extern tex_language *tex_get_language (halfword n);
/* void tex_free_languages (void); */
extern void tex_load_patterns (struct tex_language *lang, const unsigned char *buf);
extern void tex_load_hyphenation (struct tex_language *lang, const unsigned char *buf);
extern void tex_handle_hyphenation (halfword h, halfword t);
extern void tex_clear_patterns (struct tex_language *lang);
extern void tex_clear_hyphenation (struct tex_language *lang);
extern const char *tex_clean_hyphenation (halfword id, const char *buffer, char **cleaned);
extern void tex_hyphenate_list (halfword head, halfword tail);
extern int tex_collapse_list (halfword head, halfword c1, halfword c2, halfword c3);
extern void tex_set_pre_hyphen_char (halfword lan, halfword val);
extern void tex_set_post_hyphen_char (halfword lan, halfword val);
extern halfword tex_get_pre_hyphen_char (halfword lan);
extern halfword tex_get_post_hyphen_char (halfword lan);
extern void tex_set_pre_exhyphen_char (halfword lan, halfword val);
extern void tex_set_post_exhyphen_char (halfword lan, halfword val);
extern halfword tex_get_pre_exhyphen_char (halfword lan);
extern halfword tex_get_post_exhyphen_char (halfword lan);
extern void tex_set_hyphenation_min (halfword lan, halfword val);
extern halfword tex_get_hyphenation_min (halfword lan);
extern void tex_dump_language_data (dumpstream f);
extern void tex_undump_language_data (dumpstream f);
/* char *tex_get_exception_strings (struct tex_language *lang); */
extern void tex_load_tex_patterns (halfword curlang, halfword head);
extern void tex_load_tex_hyphenation (halfword curlang, halfword head);
extern void tex_initialize_languages (void);
extern int tex_is_valid_language (halfword n);
extern halfword tex_glyph_to_discretionary (halfword glyph, quarterword code, int keepkern);
/*
void tex_hnj_hyphen_hyphenate(
HyphenDict *dict,
halfword first,
halfword last,
int size,
halfword left,
halfword right,
lang_variables *lan
);
*/
# endif
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