%
% ltj-latex.sty
%

%! これは外から読まれない
%% Avoid multiple loading.
\csname luatexjalatexLoaded\endcsname
\edef\ltj@latex@AtEnd{%
\endlinechar=\the\endlinechar
\relax}
\endlinechar\m@ne%
\def\luatexjalatexLoaded{\endinput}

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{ltj-latex}[2020-05-17 LaTeX support of LuaTeX-ja]

% cleanup at end of the document
%\let\ltj@@orig@end=\@@end
%\protected\def\@@end{%
%  \directlua{luatexja.ext_cleanup()}\ltj@@orig@end}

\endlinechar=13

%%% patch for LaTeX
\usepackage{lltjfont}
\usepackage{lltjdefs}
\usepackage{lltjcore}

%%% patching commands
\newif\ifltj@ltfilehook@avail
\@ifl@t@r\fmtversion{2020-10-01}{%
  \ifnum\patch@level<0\relax \ifnum\patch@level<-6 \ltj@ltfilehook@availtrue\fi
  \else\ltj@ltfilehookavailtrue\fi
}{}
\ifltj@ltfilehook@avail
  \def\ltj@ExecuteAfterPackage#1{\AddToHook{package/after/#1}}
  \def\ltj@ExecuteBeforePackage#1{\AddToHook{package/before/#1}}
\else
  \RequirePackage{filehook}
  \let\ltj@ExecuteAfterPackage=\AtEndOfPackageFile
  \let\ltj@ExecuteBeforePackage=\AtBeginOfPackageFile
\fi
\def\ltj@pkgpatch@im#1{%
 \@ifnextchar[{\ltj@pkgpatch@im@{#1}}{\ltj@pkgpatch@im@{#1}[lltjp-#1]}}%]
\def\ltj@pkgpatch@im@@#1{%
  \@ifpackageloaded{#1}{}{%
    \if\catcode`@=11\let\ltj@temp\relax\else
      \edef\ltj@temp{\noexpand\catcode`@=\the\catcode`@\relax}\makeatletter
    \fi
    \@@input{#1.\@pkgextension}\ltj@temp
  }%
}
\def\ltj@pkgpatch@im@#1[#2]{%
  \@ifpackageloaded{#1}{\ltj@pkgpatch@im@@{#2}}%
  {\ltj@ExecuteAfterPackage{#1}{\ltj@pkgpatch@im@@{#2}}}%
}

\def\ltj@pkgpatch#1{%
  \@ifnextchar[{\ltj@pkgpatch@@{#1}}{\ltj@pkgpatch@@{#1}[lltjp-#1]}}%]
\def\ltj@pkgpatch@@#1[#2]{%
  \gpreto\@begindocumenthook{%
    \@ifpackageloaded{#1}{%
	  \@ifpackageloaded{#2}{}{\RequirePackage{#2}}%
	}{}%
  }%
}

%%% default parameters
\directlua{
  local s = kpse.find_file('ltj-kinsoku.lua', 'tex')
  luatexja.stack.charprop_stack_table[0] = s and dofile(s) or {}
}

\ltjsetparameter{kanjiskip=\z@ plus .4pt minus .5pt,
  xkanjiskip=.25\zw plus 1pt minus 1pt,
  autospacing, autoxspacing, jacharrange={-1},
  yalbaselineshift=\z@, yjabaselineshift=\z@,
  jcharwidowpenalty=500, differentjfm=paverage
}

\expandafter\let\csname JY3/mc/m/n/10\endcsname\relax

%%% patch for packages
\ltj@pkgpatch@im{listings}
\ltj@pkgpatch{xunicode}  %% at \begin{document}
\ltj@pkgpatch@im{fontspec}
\ltj@pkgpatch{footmisc}  %% at \begin{document}
\ltj@pkgpatch{tascmac}
\ltj@pkgpatch{ascmac}[lltjp-tascmac]
\ltj@pkgpatch@im{stfloats}
\ltj@pkgpatch{preview}  %% at \begin{document}
  % (preview package has delayed option)
\ltj@pkgpatch{array}    %% at \begin{document}
\ltj@pkgpatch{collcell} %% at \begin{document}
\ltj@pkgpatch@im{unicode-math}
\ltj@pkgpatch@im{siunitx}
\ltj@pkgpatch@im{microtype}
\ltj@pkgpatch@im{everyshi}

\RequirePackage{lltjp-geometry}

%%------------------ all done
\ltj@latex@AtEnd
\endinput
%% EOF
