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% zhsmyclass.sty coded by YIN Dian
% Implement easy inter-class token definition with inheritance
% Hist: 070807 First usable version coded. \newclass, \{set,get,prepend,append}interclasstoks
% The tricky part is prepending stuffs to a token register, see TeX by Topics.
% 070808 Added \setclassnum and \registerXeTeXclasstoks
% 070809 Removed unnecessary \global's.
% 070810 Only register non-empty tokens.
% 071019 Added \getclassnum
% 071210 Changed \@foreach to \@for.
\catcode`\@=11
\ifx\@myclass@defined\@undefined\else
\expandafter\endinput
\fi
\def\@myclass@defined{\relax}
\input zhsusefulmacros.sty
\catcode`\@=11
\def\@class@list{}
\def\newclass{\@ifnextchar[{\@newclass@param}{\@newclass}}
\def\@newclass@param[#1]#2{%
\if!#1!
\errmessage{Base class name shouldn't be empty.}%
\fi
\if!#2!
\errmessage{Class name shouldn't be empty.}%
\fi
\@ifundefined{@@classname@#1}{%
\errmessage{Base class not defined yet.}%
}{}%
\@ifundefined{@@classname@#2}{% if
\@namedef{@@classname@#2}{\relax}%
\@namedef{@@baseclass@#2}{#1}%
\@for\@@class:=\@class@list\do{% for
\if!\@@class!
\else
\@newinterclasstoks{#2}{\@@class}%
\@newinterclasstoks{\@@class}{#2}%
%\setinterclasstoks{#2}{\@@class}{\getinterclasstoks{#1}{\@@class}}%
%\setinterclasstoks{\@@class}{#2}{\getinterclasstoks{\@@class}{#1}}%
\copyinterclasstoks{#2}{\@@class}{#1}{\@@class}%
\copyinterclasstoks{\@@class}{#2}{\@@class}{#1}%
\fi
}% end for
\@newinterclasstoks{#2}{#2}%
\edef\@class@list{\@class@list,#2}%
}{% else
\errmessage{Class already defined.}%
}% end if
}
\def\@newclass#1{%
\if!#1!
\errmessage{Class name shouldn't be empty.}%
\fi
\@ifundefined{@@classname@#1}{% if
\@namedef{@@classname@#1}{\relax}%
\@for\@@class:=\@class@list\do{% for
\if!\@@class!
\else
\@newinterclasstoks{#1}{\@@class}%
\@newinterclasstoks{\@@class}{#1}%
\fi
}% end for
\@newinterclasstoks{#1}{#1}%
\edef\@class@list{\@class@list,#1}%
}{% else
\errmessage{Class already defined.}%
}% end if
}
\def\getbaseclass#1#2{%
\@ifundefined{@@baseclass@#1}{\def#2{}}{\edef#2{\csname @@baseclass@#1\endcsname}}%
}
\def\@newinterclasstoks#1#2{%
\csname newtoks\expandafter\endcsname\csname @@interclasstoks@#1@#2\endcsname
\csname @@interclasstoks@#1@#2\endcsname={}%\meaning #1, \meaning #2}%
%%\expandafter\gdef\csname @@interclasstoks@#1@#2\endcsname{}%
}
\def\setinterclasstoks#1#2#3{%
\csname @@interclasstoks@#1@#2\endcsname={#3}%
%%\expandafter\edef\csname @@interclasstoks@#1@#2\endcsname{#3}%
}
\def\getinterclasstoks#1#2{%
\expandafter\the\csname @@interclasstoks@#1@#2\endcsname
%%\csname @@interclasstoks@#1@#2\endcsname
}
\def\copyinterclasstoks#1#2#3#4{% (#1, #2) <- (#3, #4)
\expandafter\csname @@interclasstoks@#1@#2\endcsname\expandafter{\expandafter\the\csname @@interclasstoks@#3@#4\endcsname}%
}
\def\prependinterclasstoks#1#2#3{%
\toks0={#3}%
\edef\@@prepend@act{\csname @@interclasstoks@#1@#2\endcsname={\the\toks0
\expandafter\the\csname @@interclasstoks@#1@#2\endcsname}}%
\@@prepend@act
%%\expandafter\edef\csname @@interclasstoks@#1@#2\endcsname{#3\csname @@interclasstoks@#1@#2\endcsname}%
}
\def\appendinterclasstoks#1#2#3{%
\expandafter\csname @@interclasstoks@#1@#2\endcsname\expandafter{\the\csname @@interclasstoks@#1@#2\endcsname #3}%
%%\global\expandafter\edef\csname @@interclasstoks@#1@#2\endcsname{\csname @@interclasstoks@#1@#2\endcsname #3}%
}
\def\showallinterclasstoks{%
\par
\begingroup
\@for\class:=\@class@list\do{%
\if!\class!
\else
\@for\anotherclass:=\@class@list\do{%
\if!\anotherclass!
\else
[\class, \anotherclass]: %\csname @@interclasstoks@\class @\anotherclass\endcsname
\expandafter\the\csname @@interclasstoks@\class @\anotherclass\endcsname
\hfil\break
\fi
}%
\fi
}%
\endgroup
}
\newlinechar`\^^J
\def\setclassnum#1#2{%
\expandafter\chardef\csname @@classnum@#1\endcsname=#2\relax
}
\def\getclassnum#1{%
\csname @@classnum@#1\endcsname
}
\def\mydbgmessag@#1{}
\def\registerXeTeXclasstoks{%
\@for\class:=\@class@list\do{%
\@ifundefined{@@classnum@\class}{}{%
\@for\anotherclass:=\@class@list\do{%
\@ifundefined{@@classnum@\anotherclass}{}{%
\edef\@@temp@macro{\the\csname @@interclasstoks@\class @\anotherclass\endcsname}%
\ifx\@@temp@macro\empty
\else
\edef\@@temp@macro{\@@temp@macro}%
\ifx\@@temp@macro\empty
\else
\edef\@@register@act{\noexpand\XeTeXinterchartoks\csname @@classnum@\class\endcsname
\csname @@classnum@\anotherclass\endcsname\noexpand{\expandafter\the\csname
@@interclasstoks@\class @\anotherclass\endcsname\noexpand}}%
\@@register@act
\edef\@@register@act{\noexpand\mydbgmessag@\noexpand{Registered (\expandafter\number
\csname @@classnum@\class\endcsname, \expandafter\number
\csname @@classnum@\anotherclass\endcsname)\noexpand}}%
\@@register@act
\mydbgmessag@{Registered (\class, \anotherclass) token: \expandafter\the\csname
@@interclasstoks@\class @\anotherclass\endcsname ^^J}%
\fi
\fi
}%
}%
}%
}%
}
|
