%%
%% This is file `ctex-engine-xetex.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ctex.dtx  (with options: `xetex')
%% 
%%     Copyright (C) 2003--2021
%%     CTEX.ORG and any individual authors listed in the documentation.
%% ---------------------------------------------------------------------
%% 
%%     This work may be distributed and/or modified under the
%%     conditions of the LaTeX Project Public License, either
%%     version 1.3c of this license or (at your option) any later
%%     version. This version of this license is in
%%        http://www.latex-project.org/lppl/lppl-1-3c.txt
%%     and the latest version of this license is in
%%        http://www.latex-project.org/lppl.txt
%%     and version 1.3 or later is part of all distributions of
%%     LaTeX version 2005/12/01 or later.
%% 
%%     This work has the LPPL maintenance status "maintained".
%% 
%% ---------------------------------------------------------------------
%% 
\GetIdInfo$Id: ctex.dtx fcbe2c0 2021-12-12 18:20:54 +0800 Qing Lee <sobenlee@gmail.com> $
  {XeLaTeX adapter (CTEX)}
\ProvidesExplFile{ctex-engine-xetex.def}
  {\ExplFileDate}{2.5.8}{\ExplFileDescription}
\RequirePackage { xeCJK }
\exp_args:Nx \xeCJKsetup
  {
    LoadFandol   = false ,
    PunctStyle   = \l__ctex_punct_tl
  }
\@ifpackagelater { fontspec } { 2014/05/25 } { }
  { \msg_error:nnn { ctex } { package-too-old } { fontspec } }
\ctex_hypersetup:n { pdfencoding = unicode }
\ctex_at_end_package:nn { xeCJKfntef }
  {
    \@ifpackagelater { xeCJKfntef } { 2014/11/04 }
      {
        \cs_new_protected:Npn \__ctex_clear_fntef_color:n #1
          { \xeCJKsetup { #1 / format = { } } }
      }
      {
        \cs_new_protected:Npn \__ctex_clear_fntef_color:n #1
          { \tl_clear:c { CJK#1color } }
      }
    \clist_map_inline:nn
      { underdot , underline , underdblline , underwave , sout , xout }
      { \__ctex_clear_fntef_color:n {#1} }
  }
\cs_new_protected:Npn \ctex_update_ccwd:
  {
    \hbox_set:Nn \l__ctex_tmp_box { \CJKglue }
    \dim_set:Nn \ccwd { \box_wd:N \l__ctex_tmp_box + \f@size \p@ }
  }
\dim_new:N \ccwd
\cs_new_protected:Npn \ctex_update_ccglue:
  {
    \cs_set_protected:Npn \CJKglue
      { \skip_horizontal:N \l__ctex_ccglue_skip }
  }
\skip_new:N \l__ctex_ccglue_skip
\prg_new_conditional:Npnn \ctex_if_ccglue_touched: { TF }
  {
    \if_meaning:w \CJKglue \__ctex_ccglue:
      \prg_return_false: \else: \prg_return_true: \fi:
  }
\ctex_at_end:n { \cs_new_eq:NN \__ctex_ccglue: \CJKglue }
\cs_new_protected:Npn \ctex_update_em_unit:
  { \dim_set:Nn \ccwd { \f@size \p@ } }
\cs_new_protected:Npn \ctex_add_to_selectfont:n #1
  {
    \cs_set_protected:Npx \CTEX@selectfont@hook
      { \exp_not:o { \CTEX@selectfont@hook #1 } }
  }
\cs_new_eq:NN \CTEX@selectfont@hook \prg_do_nothing:
\if_bool:N \c__ctex_everysel_loaded_bool
  \if_cs_exist:N \@EverySelectfont@Init
    \group_begin:
      \cs_set:Npn \__ctex_tmp:N #1
        {
          \tl_set:Nn \l__ctex_tmp_tl {#1}
          \cs_new_eq:NN \CTEX@selectfont@save #1
          \cs_new_protected:Npn \__ctex_restore_selectfont:
            {
              \cs_if_free:NF \scr@new@selectfont
                {
                  \cs_set_eq:NN \scr@new@selectfont #1
                  \cs_set_eq:NN \CTEX@selectfont@save \scr@selectfont
                }
              \tl_put_left:Nn \@EverySelectfont@Init
                { \cs_set_eq:NN #1 \CTEX@selectfont@save }
              \cs_undefine:N \__ctex_restore_selectfont:
            }
        }
      \ctex_parse_name:NN \__ctex_tmp:N \selectfont
    \exp_last_unbraced:NNo \group_end:
    \ctex_patch_cmd_once:NnnnTF { \l__ctex_tmp_tl }
      { \ExplSyntaxOff }
      { \size@update }
      { \CTEX@selectfont@hook \size@update }
      { \__ctex_restore_selectfont: }
      { \ctex_patch_failure:N \selectfont }
  \fi:
  \cs_new_protected:Npn \ctex_gadd_selectfont_hook:n
    { \EverySelectfont }
\else:
  \cs_new_protected:Npn \ctex_gadd_selectfont_hook:n
    { \ctex_gadd_ltxhook:nn { selectfont } }
\fi:
\ctex_gadd_selectfont_hook:n { \CTEX@selectfont@hook }
\ctex_define:n
  {
    space .choice: ,
    space / true  .code:n =
      { \xeCJKsetup { CJKspace = true } } ,
    space / auto  .code:n =
      { \xeCJKsetup { CJKspace = false } } ,
    space / false .code:n =
      { \xeCJKsetup { CJKspace = false } } ,
    space .default:n = { true } ,
    space .initial:n = { auto }
  }
\ctex_define:n
  {
    punct .code:n =
      {
        \tl_set:Nx \l__ctex_punct_tl {#1}
        \xeCJKsetup { PunctStyle = \l__ctex_punct_tl }
      } ,
    punct .default:n = { quanjiao } ,
  }
%% 
%%
%% End of file `ctex-engine-xetex.def'.
