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% ARRAY STRUCTURE - arrayjob.sty - Version 1.03 - 05/03/00
%
% By Zhuhan Jiang (01/05/95), extracted from formlett.sty
% (see CTAN/macros/generic/formlett.sty from line 344 to line 483)
%
% This program can be redistributed and/or modified under the terms
% of the LaTeX Project Public License distributed from CTAN archives
% in directory macros/latex/base/lppl.txt
%
% * 01/05/95 - Version 1.00
% + Original version
% * 12/21/99 - Version 1.01
% + Spurious blanks removed in \read@array and \get@max@count
% (reported by Antonio Leitao <aml@gia.ist.utl.pt>
% and Denis Girou <Denis.Girou@idris.fr>)
% * 04/05/00 - Version 1.02
% + Add the \ifexpandarrayelement macro to allow to evaluate
% or not the content to put as an element of the array
% (from Denis Girou <Denis.Girou@idris.fr>)
% + Put this package under the terms of the LaTeX Project
% Public License
% * 05/03/00 - Version 1.03
% + Add a \ProvidesPackage macro when LaTeX is used
% (according to the example given by Bernd Raichle
% <raichle@Informatik.Uni-Stuttgart.DE>)
%
%
% \newarray\ARRAYNAME
% \delarray\ARRAYNAME
%
% \ARRAYNAME(A1,..,An)={T}
% \readarray{ARRAYNAME}{ B1 & B2 & ... & Bm }
% \dataheight
%
% \data(A1,...,An)=\data( A1 + (A2-1)*\dataheight +
% ... + (An-1)*\dataheight^{n-1} )
% if \normalindextrue
% =\data( An + (An-1 -1)*\dataheight +
% ... + (A1-1)*\dataheight^{n-1} )
% if \normalindexfalse
%
% \checkARRAYNAME(A1,..,An)
% \ifemptydata valid when \checkARRAYNAME is just executed
% \cachedata: keeps the data of \ARRAYNAME(m)
% when \checkARRAYNAME(m) is executed
%
% OTHERS:
% save to array: \array{n}(m)={T}
% get from array: \array{n}(m)
% clear element: \clrarray{n}(m)
% test element: \testarray{n}(m)
% macro save to \temp@macro
%
%
% e.g.
%
% \newarray\Table
% \readarray{Table}{one&two& \unknownmacro && &six}
% \Table(7)={seven}
% \dataheight=0 % or 1 or < 0
% \Table(7) = \Table(2,6,1) % 7=1+(2-1)+(6-1)+(1-1)
% \normalindexfalse
% \dataheight=3
% \Table(7) = \Table(1,7) = \Table(3,1)
% \normalindextrue
% \Table(7) = \Table(7,1) = \Table(1,3)
%
% \checkTable(4) \ifemptydata (4)=empty \fi
% \checkTable(5) \ifemptydata\else (5)=nonempty \fi
% \ifx\cachedata\space ={\tt <space>}\fi
% \checkTable(1000) \ifemptydata (1000)=empty \fi
%
% \delarray\Table
%
%
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname ProvidesPackage\endcsname\relax%
\else
\ProvidesPackage{arrayjob}[2000/05/03 v1.03 Array management]
\fi
%
\xdef\EntryArrayJob{\the\catcode`\@}\catcode`\@=11\relax
\newif\ifemptydata \newcount\dataheight
\newif\ifnormalindex \normalindexfalse
%
\newcount\array@width \newcount\index@count \newcount\index@total
\newif\ifone@VEC \newif\if@rev@index
\newtoks\temp@toks \newcount\temp@count
\newcount\temp@@count \newcount\temp@@@count
%
\newif\ifexpandarrayelement
%
\long\def\assign@VEC#1(#2)=#3{\temp@count=#2 \relax
\get@max@count{total@#1}\temp@count
\ifexpandarrayelement
\expandafter\xdef\csname#1#2\string~\endcsname{#3}%
\else
\expandafter\gdef\csname#1#2\string~\endcsname{#3}%
\fi}
\def\get@VEC#1(#2){\csname#1#2\string~\endcsname}
\def\clrarray#1(#2){%
\global\expandafter\let\csname#1#2\string~\endcsname=\undefined@}
%
\def\testarray#1(#2){%
\expandafter\let\expandafter\temp@macro\csname#1#2\string~\endcsname
\ifx\temp@macro\relax \def\temp@macro{}\fi}%
%
\def\array#1(#2){\def\check@VEC{%
\ifx=\next@VEC \def\full@VEC####1{\assign@VEC#1(#2)####1}%
\else \def\full@VEC{\get@VEC#1(#2)}\fi \full@VEC}%check@VEC
\futurelet\next@VEC\check@VEC}
%
\def\get@index(#1)#2\safty@mark{\one@VEC#2,\safty@mark
\def\next@@VEC{#1}\ifx\next@@VEC\empty\def\next@@VEC{\array@width}\fi
\if@rev@index
{\temp@count=1 \advance\index@count1 \relax
\ifnum\index@count<\index@total
\loop \multiply\temp@count \next@@VEC
\advance\index@count-1 \relax
\ifnum\index@count>0 \repeat
\fi \global\temp@@count\temp@count }%
\else \multiply\temp@@count \next@@VEC \fi
\ifnum\temp@@count=0 \temp@@count=1 \relax \fi
\advance\temp@count-1 \ifnum\temp@count<0 \temp@count=0 \fi
\multiply\temp@count \temp@@count
\advance\temp@@@count by \temp@count \advance\index@count1
\ifone@VEC
\def\next@@VEC{\index@total=\index@count \advance\temp@@@count1 }%
\else \one@VEC#2\safty@mark \edef\next@@VEC{\noexpand\get@index(#1)%
\the\temp@toks\noexpand\safty@mark}%
\fi \next@@VEC}%
%
\def\one@VEC#1,#2\safty@mark{\def\temp@macro{#2}\temp@toks={#2}%
\ifx\temp@macro\empty \one@VECtrue \else \one@VECfalse \fi
\temp@count=#1 \relax }%
%
\def\get@all@index(#1)#2\safty@mark{%
\temp@@@count=0 \temp@@count=0 \index@count=0 \@rev@indexfalse
\get@index(#1)#2\safty@mark
\ifnormalindex\else
\temp@@@count=0 \temp@@count=0 \index@count=0 \@rev@indextrue
\get@index(#1)#2\safty@mark \fi }%
%
\def\read@array[#1]#2#3{\temp@count=1
\def\one@item##1#1##2\safty@mark{\def\temp@macro{##2}\temp@toks={##2}%
\ifx\temp@macro\empty\else
\def\temp@macro{\one@item##2\safty@mark}\fi
{\temp@toks={##1}\def\temp@@macro{\array{#2}(\the\temp@count)=}%
\expandafter\temp@@macro\expandafter{\the\temp@toks}}%
\expandafter\edef\csname total@#2\endcsname{\the\temp@count}%
\advance\temp@count1\temp@macro}%
\one@item#3#1\safty@mark}%
%
\def\strip@esc#1{\temp@count=\escapechar \escapechar=-1 %
\temp@toks=\expandafter{\string#1}\escapechar\temp@count}
\def\get@max@count#1#2{\edef\temp@macro{\csname #1\endcsname}%
\ifnum\temp@macro<#2\expandafter\xdef\csname #1\endcsname{\the#2}\fi}%
%
\def\newarray#1{\strip@esc{#1}%
\expandafter\gdef\csname total@\the\temp@toks\endcsname{0}%
\expandafter\edef\csname\the\temp@toks\endcsname(##1)%
{\noexpand\get@all@index(\noexpand\dataheight)##1\noexpand\safty@mark
% \noexpand\get@max@count{total@\the\temp@toks}\noexpand\temp@@@count
\noexpand\array{\the\temp@toks}(\noexpand\the\noexpand\temp@@@count)}%
\expandafter\edef\csname check\the\temp@toks\endcsname(##1)%
{\noexpand\get@all@index(\noexpand\dataheight)##1\noexpand\safty@mark
\noexpand\testarray{\the\temp@toks}(\noexpand\the
\noexpand\temp@@@count)\noexpand\let\noexpand\cachedata
\noexpand\temp@macro\noexpand\ifx\noexpand\temp@macro\noexpand\empty
\noexpand\emptydatatrue\noexpand\else\noexpand\emptydatafalse
\noexpand\fi}}%
%
\def\delarray#1{\strip@esc{#1}% delete array globally
\temp@count=0 \temp@@count=\csname total@\the\temp@toks\endcsname
\loop \expandafter\global\expandafter\let
\csname\the\temp@toks\string~\endcsname\undefined@
\advance\temp@count1 %
\ifnum\temp@count<\temp@@count \repeat % global loop for less memory
\global\expandafter\let\csname total@\the\temp@toks\endcsname\undefined@
\global\expandafter\let\csname \the\temp@toks\endcsname\undefined@
\global\expandafter\let\csname check\the\temp@toks\endcsname\undefined@ }%
%
\def\readarray#1#2{\read@array[&]{#1}{#2}}%
%
\catcode`\@=\EntryArrayJob\relax
\endinput
%
% END OF MACROS
|
