src/patches/lltjp-unicode-math.sty

   1 %
   2 % lltjp-unicode-math.sty
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjp-unicode-math}[2017/05/05 Patch to unicode-math for LuaTeX-ja]
   7
   8 \RequirePackage{unicode-math,luatexja}
   9
  10 \ExplSyntaxOn
  11
  12 \group_begin:
  13   \bool_new:N \lltjp_um_patch_mathgroup_bool
  14 \@ifpackagelater{unicode-math}{2015/09/24}{%
  15 %%%%%%%% 2015/09/24 0.8c
  16   \bool_set_true:N \lltjp_um_patch_mathgroup_bool
  17   \cs_gset:Nn \__um_define_math_chars: {
  18     \group_begin:
  19       \cs_set:Npn \__um_sym:nnn ##1##2##3
  20        {
  21         \tl_if_in:nnT
  22          { \mathord \mathalpha \mathbin \mathrel \mathpunct \mathop \mathfence }
  23          {##3}
  24         {
  25           \exp_last_unbraced:NNx \cs_gset_eq:NN ##2 { \Ucharcat ##1 ~ 12 ~ }
  26           \ltjsetmathletter{ ##1 }
  27         }
  28        }
  29       \__um_input_math_symbol_table:
  30     \group_end:
  31   }
  32 }{
  33   \cs_if_exist:cTF { __um_cs_set_eq_active_char:Nw } {
  34     \tl_set:Nn \l_tmpa_tl { __um_cs_set_eq_active_char:Nw }
  35     \bool_set_true:N \lltjp_um_patch_mathgroup_bool
  36   }{
  37     \tl_set:Nn \l_tmpa_tl { um_cs_set_eq_active_char:Nw }
  38   }
  39   \cs_gset:cpn { \tl_use:N \l_tmpa_tl } #1 = "#2 \q_nil {%"
  40     \group_begin:
  41       %\typeout {um: \string#1, \int_from_hex:n {#2}, #2}% <- for debug
  42       \char_set_lccode:nn { `! } { "#2 }%"
  43       \tex_lowercase:D {
  44         \tl_set:Nn \l_tmpa_tl {  \relax
  45           \ifmmode!\else{\directlua{tex.globaldefs = 0}\ltj@allalchar!}\fi}
  46         \cs_gset_eq:NN #1 \l_tmpa_tl
  47       }
  48       \ltjsetmathletter{ \int_from_hex:n {#2} }
  49     \group_end:
  50   }
  51 }
  52
  53 \bool_if:NT \lltjp_um_patch_mathgroup_bool {
  54   \cs_gset:Npn \use@mathgroup #1 #2
  55    {
  56     \mode_if_math:T % <- not sure if this is really necessary since we've just checked for mmode and raised an error if not!
  57      {
  58       \math@bgroup
  59         \cs_if_eq:cNF {M@\f@encoding} #1 {#1}
  60         \__um_switchto_literal:
  61         \ltj@tempcnta=#2 \expandafter\ltj@@mathJapaneseFonts\string#1\relax%
  62         \ifin@ \jfam #2 \relax \else \mathgroup #2 \relax \fi
  63       \math@egroup
  64      }
  65    }
  66 }
  67 \group_end:
  68
  69 \ExplSyntaxOff
  70
  71 \endinput