source/texk/web2c/luatexdir/tex/mathcodes.h

   1 /* mathcodes.h
   2
   3    Copyright 2009-2012 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
  22 #ifndef MATHCODES_H
  23 #  define MATHCODES_H
  24
  25 /* this is a flag for |scan_delimiter| */
  26
  27 #  define no_mathcode        0
  28 #  define tex_mathcode       8
  29 #  define umath_mathcode    21
  30 #  define umathnum_mathcode 22
  31
  32 typedef struct mathcodeval {
  33     int class_value;
  34     int family_value;
  35     int character_value;
  36 } mathcodeval;
  37
  38 void set_math_code(int n, int mathclass, int mathfamily, int mathcharacter, quarterword gl);
  39
  40 mathcodeval get_math_code(int n);
  41 int get_math_code_num(int n);
  42 int get_del_code_num(int n);
  43 mathcodeval scan_mathchar(int extcode);
  44 mathcodeval scan_delimiter_as_mathchar(int extcode);
  45
  46 mathcodeval mathchar_from_integer(int value, int extcode);
  47 void show_mathcode_value(mathcodeval d);
  48
  49 typedef struct delcodeval {
  50     int class_value;
  51     int small_family_value;
  52     int small_character_value;
  53     int large_family_value;
  54     int large_character_value;
  55 } delcodeval;
  56
  57 void set_del_code(int n, int smathfamily, int smathcharacter, int lmathfamily, int lmathcharacter, quarterword gl);
  58
  59 delcodeval get_del_code(int n);
  60
  61 void unsave_math_codes(quarterword grouplevel);
  62 void initialize_math_codes(void);
  63 void dump_math_codes(void);
  64 void undump_math_codes(void);
  65
  66 #endif