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/*
See license.txt in the root of this project.
*/
# ifndef LMT_MATHCODES_H
# define LMT_MATHCODES_H
/*tex
We keep this special value which is used in |0x8000| so we have no real problem with 8 being
some other class as well. The 8 here is not really a class.
*/
# define active_math_class_value 8
typedef enum mathcode_codes {
no_mathcode,
tex_mathcode,
umath_mathcode,
/* umathnum_mathcode, */
mathspec_mathcode
} mathcode_codes;
typedef struct mathcodeval {
short class_value;
short family_value;
int character_value;
} mathcodeval;
typedef struct mathdictval {
unsigned short properties; // 1=char 2=open 4=close 8=middle 16=middle==class
unsigned short group;
unsigned int index;
} mathdictval;
# undef small /* defined in some microsoft library */
/*tex
Until we drop 8 bit font support we keep the small and large distinction but it might
go away some day as it wastes memory.
*/
typedef struct delcodeval {
mathcodeval small;
mathcodeval large;
} delcodeval;
typedef struct mathspecval {
mathcodeval code;
mathdictval dict;
} mathspecval;
extern void tex_set_math_code (int n, mathcodeval v, int gl);
extern mathcodeval tex_get_math_code (int n);
extern int tex_get_math_code_number (int n);
extern mathcodeval tex_no_math_code (void);
extern void tex_set_del_code (int n, delcodeval v, int gl);
extern delcodeval tex_get_del_code (int n);
extern int tex_get_del_code_number (int n);
extern int tex_has_del_code (delcodeval v);
extern delcodeval tex_no_del_code (void);
extern mathcodeval tex_scan_mathchar (int extcode);
extern mathdictval tex_scan_mathdict (void);
extern mathcodeval tex_scan_delimiter_as_mathchar (int extcode);
extern mathcodeval tex_mathchar_from_integer (int value, int extcode);
extern mathcodeval tex_mathchar_from_spec (int value);
extern void tex_show_mathcode_value (mathcodeval d, int extcode);
extern void tex_unsave_math_codes (int grouplevel);
extern void tex_initialize_math_codes (void);
extern void tex_dump_math_codes (dumpstream f);
extern void tex_undump_math_codes (dumpstream f);
extern void tex_free_math_codes (void);
# endif
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