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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/latex/contrib/oberdiek/uniquecounter.dtx
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+% \iffalse meta-comment
+%
+% File: uniquecounter.dtx
+% Version: 2016/05/16 v1.3
+% Info: Provide unlimited unique counter
+%
+% Copyright (C) 2009, 2011 by
+% Heiko Oberdiek <heiko.oberdiek at googlemail.com>
+% 2016
+% https://github.com/ho-tex/oberdiek/issues
+%
+% 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".
+%
+% This Current Maintainer of this work is Heiko Oberdiek.
+%
+% The Base Interpreter refers to any `TeX-Format',
+% because some files are installed in TDS:tex/generic//.
+%
+% This work consists of the main source file uniquecounter.dtx
+% and the derived files
+% uniquecounter.sty, uniquecounter.pdf, uniquecounter.ins,
+% uniquecounter.drv, uniquecounter-example.tex,
+% uniquecounter-test1.tex, uniquecounter-test2.tex,
+% uniquecounter-test3.tex.
+%
+% Distribution:
+% CTAN:macros/latex/contrib/oberdiek/uniquecounter.dtx
+% CTAN:macros/latex/contrib/oberdiek/uniquecounter.pdf
+%
+% Unpacking:
+% (a) If uniquecounter.ins is present:
+% tex uniquecounter.ins
+% (b) Without uniquecounter.ins:
+% tex uniquecounter.dtx
+% (c) If you insist on using LaTeX
+% latex \let\install=y\input{uniquecounter.dtx}
+% (quote the arguments according to the demands of your shell)
+%
+% Documentation:
+% (a) If uniquecounter.drv is present:
+% latex uniquecounter.drv
+% (b) Without uniquecounter.drv:
+% latex uniquecounter.dtx; ...
+% The class ltxdoc loads the configuration file ltxdoc.cfg
+% if available. Here you can specify further options, e.g.
+% use A4 as paper format:
+% \PassOptionsToClass{a4paper}{article}
+%
+% Programm calls to get the documentation (example):
+% pdflatex uniquecounter.dtx
+% makeindex -s gind.ist uniquecounter.idx
+% pdflatex uniquecounter.dtx
+% makeindex -s gind.ist uniquecounter.idx
+% pdflatex uniquecounter.dtx
+%
+% Installation:
+% TDS:tex/generic/oberdiek/uniquecounter.sty
+% TDS:doc/latex/oberdiek/uniquecounter.pdf
+% TDS:doc/latex/oberdiek/uniquecounter-example.tex
+% TDS:doc/latex/oberdiek/test/uniquecounter-test1.tex
+% TDS:doc/latex/oberdiek/test/uniquecounter-test2.tex
+% TDS:doc/latex/oberdiek/test/uniquecounter-test3.tex
+% TDS:source/latex/oberdiek/uniquecounter.dtx
+%
+%<*ignore>
+\begingroup
+ \catcode123=1 %
+ \catcode125=2 %
+ \def\x{LaTeX2e}%
+\expandafter\endgroup
+\ifcase 0\ifx\install y1\fi\expandafter
+ \ifx\csname processbatchFile\endcsname\relax\else1\fi
+ \ifx\fmtname\x\else 1\fi\relax
+\else\csname fi\endcsname
+%</ignore>
+%<*install>
+\input docstrip.tex
+\Msg{************************************************************************}
+\Msg{* Installation}
+\Msg{* Package: uniquecounter 2016/05/16 v1.3 Provide unlimited unique counter (HO)}
+\Msg{************************************************************************}
+
+\keepsilent
+\askforoverwritefalse
+
+\let\MetaPrefix\relax
+\preamble
+
+This is a generated file.
+
+Project: uniquecounter
+Version: 2016/05/16 v1.3
+
+Copyright (C) 2009, 2011 by
+ Heiko Oberdiek <heiko.oberdiek at googlemail.com>
+
+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".
+
+This Current Maintainer of this work is Heiko Oberdiek.
+
+The Base Interpreter refers to any `TeX-Format',
+because some files are installed in TDS:tex/generic//.
+
+This work consists of the main source file uniquecounter.dtx
+and the derived files
+ uniquecounter.sty, uniquecounter.pdf, uniquecounter.ins,
+ uniquecounter.drv, uniquecounter-example.tex,
+ uniquecounter-test1.tex, uniquecounter-test2.tex,
+ uniquecounter-test3.tex.
+
+\endpreamble
+\let\MetaPrefix\DoubleperCent
+
+\generate{%
+ \file{uniquecounter.ins}{\from{uniquecounter.dtx}{install}}%
+ \file{uniquecounter.drv}{\from{uniquecounter.dtx}{driver}}%
+ \usedir{tex/generic/oberdiek}%
+ \file{uniquecounter.sty}{\from{uniquecounter.dtx}{package}}%
+ \usedir{doc/latex/oberdiek}%
+ \file{uniquecounter-example.tex}{\from{uniquecounter.dtx}{example}}%
+% \usedir{doc/latex/oberdiek/test}%
+% \file{uniquecounter-test1.tex}{\from{uniquecounter.dtx}{test1}}%
+% \file{uniquecounter-test2.tex}{\from{uniquecounter.dtx}{test2}}%
+% \file{uniquecounter-test3.tex}{\from{uniquecounter.dtx}{test3}}%
+ \nopreamble
+ \nopostamble
+% \usedir{source/latex/oberdiek/catalogue}%
+% \file{uniquecounter.xml}{\from{uniquecounter.dtx}{catalogue}}%
+}
+
+\catcode32=13\relax% active space
+\let =\space%
+\Msg{************************************************************************}
+\Msg{*}
+\Msg{* To finish the installation you have to move the following}
+\Msg{* file into a directory searched by TeX:}
+\Msg{*}
+\Msg{* uniquecounter.sty}
+\Msg{*}
+\Msg{* To produce the documentation run the file `uniquecounter.drv'}
+\Msg{* through LaTeX.}
+\Msg{*}
+\Msg{* Happy TeXing!}
+\Msg{*}
+\Msg{************************************************************************}
+
+\endbatchfile
+%</install>
+%<*ignore>
+\fi
+%</ignore>
+%<*driver>
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesFile{uniquecounter.drv}%
+ [2016/05/16 v1.3 Provide unlimited unique counter (HO)]%
+\documentclass{ltxdoc}
+\usepackage{holtxdoc}[2011/11/22]
+\begin{document}
+ \DocInput{uniquecounter.dtx}%
+\end{document}
+%</driver>
+% \fi
+%
+%
+% \CharacterTable
+% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
+% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
+% Digits \0\1\2\3\4\5\6\7\8\9
+% Exclamation \! Double quote \" Hash (number) \#
+% Dollar \$ Percent \% Ampersand \&
+% Acute accent \' Left paren \( Right paren \)
+% Asterisk \* Plus \+ Comma \,
+% Minus \- Point \. Solidus \/
+% Colon \: Semicolon \; Less than \<
+% Equals \= Greater than \> Question mark \?
+% Commercial at \@ Left bracket \[ Backslash \\
+% Right bracket \] Circumflex \^ Underscore \_
+% Grave accent \` Left brace \{ Vertical bar \|
+% Right brace \} Tilde \~}
+%
+% \GetFileInfo{uniquecounter.drv}
+%
+% \title{The \xpackage{uniquecounter} package}
+% \date{2016/05/16 v1.3}
+% \author{Heiko Oberdiek\thanks
+% {Please report any issues at https://github.com/ho-tex/oberdiek/issues}\\
+% \xemail{heiko.oberdiek at googlemail.com}}
+%
+% \maketitle
+%
+% \begin{abstract}
+% This package provides a kind of counter that provides unique
+% number values. Several counters can be created by different names.
+% The numeric values are not limited.
+% \end{abstract}
+%
+% \tableofcontents
+%
+% \section{Documentation}
+%
+% \begin{declcs}{UniqueCounterNew} \M{name}
+% \end{declcs}
+% Macro \cs{UniqueCounterNew} creates a new unique counter \meta{name}.
+% An error is thrown, if the counter already exists.
+%
+% \begin{declcs}{UniqueCounterCall} \M{name} \M{code}
+% \end{declcs}
+% Macro \cs{UniqueCounterCall} calls the given \meta{code} with a new
+% value of counter \meta{name} as argument.
+%
+% \begin{declcs}{UniqueCounterIncrement} \M{name}
+% \end{declcs}
+% Macro \cs{UniqueCounterIncrement} generates a new value for the counter
+% \meta{name}
+% by incrementing by one (globally).
+%
+% \begin{declcs}{UniqueCounterGet} \M{name}
+% \end{declcs}
+% Expandable macro \cs{UniqueCounterGet} returns the current value
+% of counter \meta{name}
+%
+% \subsection{Example}
+%
+% \begin{macrocode}
+%<*example>
+\documentclass{minimal}
+\usepackage{uniquecounter}
+\UniqueCounterNew{anchor}
+\makeatletter
+\newcommand*{\DefNewAnchorName}[2]{%
+ % #1 is unique counter value
+ % #2 is name of anchor
+ \@namedef{anchor@#2}{a#1}%
+}
+\newcommand*{\NewAnchorName}[1]{%
+ \UniqueCounterCall{anchor}\DefNewAnchorName{#1}%
+}
+\newcommand*{\PrintAnchorName}[1]{%
+ \@nameuse{anchor@#1}%
+}
+\begin{document}
+ \NewAnchorName{Top}%
+ \NewAnchorName{Left}%
+ \noindent
+ Top: \PrintAnchorName{Top}\\%
+ Left: \PrintAnchorName{Left}%
+\end{document}
+%</example>
+% \end{macrocode}
+%
+% \StopEventually{
+% }
+%
+% \section{Implementation}
+%
+% \begin{macrocode}
+%<*package>
+% \end{macrocode}
+%
+% \subsection{Reload check and package identification}
+% Reload check, especially if the package is not used with \LaTeX.
+% \begin{macrocode}
+\begingroup\catcode61\catcode48\catcode32=10\relax%
+ \catcode13=5 % ^^M
+ \endlinechar=13 %
+ \catcode35=6 % #
+ \catcode39=12 % '
+ \catcode44=12 % ,
+ \catcode45=12 % -
+ \catcode46=12 % .
+ \catcode58=12 % :
+ \catcode64=11 % @
+ \catcode123=1 % {
+ \catcode125=2 % }
+ \expandafter\let\expandafter\x\csname ver@uniquecounter.sty\endcsname
+ \ifx\x\relax % plain-TeX, first loading
+ \else
+ \def\empty{}%
+ \ifx\x\empty % LaTeX, first loading,
+ % variable is initialized, but \ProvidesPackage not yet seen
+ \else
+ \expandafter\ifx\csname PackageInfo\endcsname\relax
+ \def\x#1#2{%
+ \immediate\write-1{Package #1 Info: #2.}%
+ }%
+ \else
+ \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
+ \fi
+ \x{uniquecounter}{The package is already loaded}%
+ \aftergroup\endinput
+ \fi
+ \fi
+\endgroup%
+% \end{macrocode}
+% Package identification:
+% \begin{macrocode}
+\begingroup\catcode61\catcode48\catcode32=10\relax%
+ \catcode13=5 % ^^M
+ \endlinechar=13 %
+ \catcode35=6 % #
+ \catcode39=12 % '
+ \catcode40=12 % (
+ \catcode41=12 % )
+ \catcode44=12 % ,
+ \catcode45=12 % -
+ \catcode46=12 % .
+ \catcode47=12 % /
+ \catcode58=12 % :
+ \catcode64=11 % @
+ \catcode91=12 % [
+ \catcode93=12 % ]
+ \catcode123=1 % {
+ \catcode125=2 % }
+ \expandafter\ifx\csname ProvidesPackage\endcsname\relax
+ \def\x#1#2#3[#4]{\endgroup
+ \immediate\write-1{Package: #3 #4}%
+ \xdef#1{#4}%
+ }%
+ \else
+ \def\x#1#2[#3]{\endgroup
+ #2[{#3}]%
+ \ifx#1\@undefined
+ \xdef#1{#3}%
+ \fi
+ \ifx#1\relax
+ \xdef#1{#3}%
+ \fi
+ }%
+ \fi
+\expandafter\x\csname ver@uniquecounter.sty\endcsname
+\ProvidesPackage{uniquecounter}%
+ [2016/05/16 v1.3 Provide unlimited unique counter (HO)]%
+% \end{macrocode}
+%
+% \subsection{Catcodes}
+%
+% \begin{macrocode}
+\begingroup\catcode61\catcode48\catcode32=10\relax%
+ \catcode13=5 % ^^M
+ \endlinechar=13 %
+ \catcode123=1 % {
+ \catcode125=2 % }
+ \catcode64=11 % @
+ \def\x{\endgroup
+ \expandafter\edef\csname uqc@AtEnd\endcsname{%
+ \endlinechar=\the\endlinechar\relax
+ \catcode13=\the\catcode13\relax
+ \catcode32=\the\catcode32\relax
+ \catcode35=\the\catcode35\relax
+ \catcode61=\the\catcode61\relax
+ \catcode64=\the\catcode64\relax
+ \catcode123=\the\catcode123\relax
+ \catcode125=\the\catcode125\relax
+ }%
+ }%
+\x\catcode61\catcode48\catcode32=10\relax%
+\catcode13=5 % ^^M
+\endlinechar=13 %
+\catcode35=6 % #
+\catcode64=11 % @
+\catcode123=1 % {
+\catcode125=2 % }
+\def\TMP@EnsureCode#1#2{%
+ \edef\uqc@AtEnd{%
+ \uqc@AtEnd
+ \catcode#1=\the\catcode#1\relax
+ }%
+ \catcode#1=#2\relax
+}
+\TMP@EnsureCode{33}{12}% !
+\TMP@EnsureCode{39}{12}% '
+\TMP@EnsureCode{42}{12}% *
+\TMP@EnsureCode{43}{12}% +
+\TMP@EnsureCode{46}{12}% .
+\TMP@EnsureCode{47}{12}% /
+\TMP@EnsureCode{91}{12}% [
+\TMP@EnsureCode{93}{12}% ]
+\TMP@EnsureCode{96}{12}% `
+\edef\uqc@AtEnd{\uqc@AtEnd\noexpand\endinput}
+% \end{macrocode}
+%
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname RequirePackage\endcsname\relax
+ \def\TMP@RequirePackage#1[#2]{%
+ \begingroup\expandafter\expandafter\expandafter\endgroup
+ \expandafter\ifx\csname ver@#1.sty\endcsname\relax
+ \input #1.sty\relax
+ \fi
+ }%
+ \TMP@RequirePackage{bigintcalc}[2007/11/11]%
+ \TMP@RequirePackage{infwarerr}[2007/09/09]%
+\else
+ \RequirePackage{bigintcalc}[2007/11/11]%
+ \RequirePackage{infwarerr}[2007/09/09]%
+\fi
+% \end{macrocode}
+%
+% \begin{macro}{\uqc@IncNum}
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname numexpr\endcsname\relax
+ \def\uqc@IncNum#1{%
+ \begingroup
+ \count@=\csname uqc@cnt@#1\endcsname\relax
+ \advance\count@\@ne
+ \expandafter\xdef\csname uqc@cnt@#1\endcsname{%
+ \number\count@
+ }%
+ \ifnum\count@=2147483647 %
+ \global\expandafter\let\csname uqc@inc@#1\endcsname
+ \uqc@IncBig
+ \fi
+ \endgroup
+ }%
+\else
+ \def\uqc@IncNum#1{%
+ \expandafter\xdef\csname uqc@cnt@#1\endcsname{%
+ \number\numexpr\csname uqc@cnt@#1\endcsname+1%
+ }%
+ \ifnum\csname uqc@cnt@#1\endcsname=2147483647 %
+ \global\expandafter\let\csname uqc@inc@#1\endcsname
+ \uqc@IncBig
+ \fi
+ }%
+\fi
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\uqc@IncBig}
+% \begin{macrocode}
+\def\uqc@IncBig#1{%
+ \expandafter\xdef\csname uqc@cnt@#1\endcsname{%
+ \expandafter\expandafter\expandafter
+ \BigIntCalcInc\csname uqc@cnt@#1\endcsname!%
+ }%
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\uqc@Def}
+% \begin{macrocode}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname newcommand\endcsname\relax
+ \def\uqc@Def#1{\def#1##1}%
+\else
+ \def\uqc@Def#1{\newcommand*{#1}[1]}%
+\fi
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\UniqueCounterNew}
+% \begin{macrocode}
+\uqc@Def\UniqueCounterNew{%
+ \expandafter\ifx\csname uqc@cnt@#1\endcsname\relax
+ \expandafter\xdef\csname uqc@cnt@#1\endcsname{0}%
+ \global\expandafter\let\csname uqc@inc@#1\endcsname\uqc@IncNum
+ \@PackageInfo{uniquecounter}{New unique counter `#1'}%
+ \else
+ \@PackageError{uniquecounter}{Unique counter `#1' is already defined}\@ehc
+ \fi
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\UniqueCounterIncrement}
+% \begin{macrocode}
+\uqc@Def\UniqueCounterIncrement{%
+ \expandafter\ifx\csname uqc@cnt@#1\endcsname\relax
+ \@PackageError{uniquecounter}{Unique counter `#1' is undefined}\@ehc
+ \else
+ \csname uqc@inc@#1\endcsname{#1}%
+ \fi
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\UniqueCounterGet}
+% \begin{macrocode}
+\uqc@Def\UniqueCounterGet{%
+ \csname uqc@cnt@#1\endcsname
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\UniqueCounterCall}
+% \begin{macrocode}
+\uqc@Def\UniqueCounterCall{%
+ \expandafter\ifx\csname uqc@cnt@#1\endcsname\relax
+ \@PackageError{uniquecounter}{Unique counter `#1' is undefined}\@ehc
+ \expandafter\uqc@Call\expandafter0%
+ \else
+ \UniqueCounterIncrement{#1}%
+ \expandafter\expandafter\expandafter\uqc@Call
+ \expandafter\expandafter\expandafter{%
+ \csname uqc@cnt@#1\expandafter\endcsname\expandafter
+ }%
+ \fi
+}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\uqc@Call}
+% \begin{macrocode}
+\long\def\uqc@Call#1#2{#2{#1}}%
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macrocode}
+\uqc@AtEnd%
+% \end{macrocode}
+% \begin{macrocode}
+%</package>
+% \end{macrocode}
+%
+% \section{Test}
+%
+% \subsection{Catcode checks for loading}
+%
+% \begin{macrocode}
+%<*test1>
+% \end{macrocode}
+% \begin{macrocode}
+\catcode`\{=1 %
+\catcode`\}=2 %
+\catcode`\#=6 %
+\catcode`\@=11 %
+\expandafter\ifx\csname count@\endcsname\relax
+ \countdef\count@=255 %
+\fi
+\expandafter\ifx\csname @gobble\endcsname\relax
+ \long\def\@gobble#1{}%
+\fi
+\expandafter\ifx\csname @firstofone\endcsname\relax
+ \long\def\@firstofone#1{#1}%
+\fi
+\expandafter\ifx\csname loop\endcsname\relax
+ \expandafter\@firstofone
+\else
+ \expandafter\@gobble
+\fi
+{%
+ \def\loop#1\repeat{%
+ \def\body{#1}%
+ \iterate
+ }%
+ \def\iterate{%
+ \body
+ \let\next\iterate
+ \else
+ \let\next\relax
+ \fi
+ \next
+ }%
+ \let\repeat=\fi
+}%
+\def\RestoreCatcodes{}
+\count@=0 %
+\loop
+ \edef\RestoreCatcodes{%
+ \RestoreCatcodes
+ \catcode\the\count@=\the\catcode\count@\relax
+ }%
+\ifnum\count@<255 %
+ \advance\count@ 1 %
+\repeat
+
+\def\RangeCatcodeInvalid#1#2{%
+ \count@=#1\relax
+ \loop
+ \catcode\count@=15 %
+ \ifnum\count@<#2\relax
+ \advance\count@ 1 %
+ \repeat
+}
+\def\RangeCatcodeCheck#1#2#3{%
+ \count@=#1\relax
+ \loop
+ \ifnum#3=\catcode\count@
+ \else
+ \errmessage{%
+ Character \the\count@\space
+ with wrong catcode \the\catcode\count@\space
+ instead of \number#3%
+ }%
+ \fi
+ \ifnum\count@<#2\relax
+ \advance\count@ 1 %
+ \repeat
+}
+\def\space{ }
+\expandafter\ifx\csname LoadCommand\endcsname\relax
+ \def\LoadCommand{\input uniquecounter.sty\relax}%
+\fi
+\def\Test{%
+ \RangeCatcodeInvalid{0}{47}%
+ \RangeCatcodeInvalid{58}{64}%
+ \RangeCatcodeInvalid{91}{96}%
+ \RangeCatcodeInvalid{123}{255}%
+ \catcode`\@=12 %
+ \catcode`\\=0 %
+ \catcode`\%=14 %
+ \LoadCommand
+ \RangeCatcodeCheck{0}{36}{15}%
+ \RangeCatcodeCheck{37}{37}{14}%
+ \RangeCatcodeCheck{38}{47}{15}%
+ \RangeCatcodeCheck{48}{57}{12}%
+ \RangeCatcodeCheck{58}{63}{15}%
+ \RangeCatcodeCheck{64}{64}{12}%
+ \RangeCatcodeCheck{65}{90}{11}%
+ \RangeCatcodeCheck{91}{91}{15}%
+ \RangeCatcodeCheck{92}{92}{0}%
+ \RangeCatcodeCheck{93}{96}{15}%
+ \RangeCatcodeCheck{97}{122}{11}%
+ \RangeCatcodeCheck{123}{255}{15}%
+ \RestoreCatcodes
+}
+\Test
+\csname @@end\endcsname
+\end
+% \end{macrocode}
+% \begin{macrocode}
+%</test1>
+% \end{macrocode}
+%
+% \subsection{Macro tests}
+%
+% \subsubsection{Test with \LaTeX}
+%
+% \begin{macrocode}
+%<*test2>
+\NeedsTeXFormat{LaTeX2e}
+\nofiles
+\documentclass{minimal}
+\usepackage{uniquecounter}[2016/05/16]
+\usepackage{qstest}
+\IncludeTests{*}
+\LogTests{log}{*}{*}
+
+\newcommand*{\CheckValue}[2]{%
+ \Expect*{#2}*{\UniqueCounterGet{#1}}%
+}
+\newcommand*{\CheckSpace}[1]{%
+ \sbox0{#1}%
+ \Expect{0.0pt}*{\the\wd0}%
+}
+
+\begin{qstest}{creation}{creation}
+ \CheckSpace{%
+ \UniqueCounterNew{test}%
+ }%
+ \CheckValue{test}{0}%
+\end{qstest}
+
+\begin{qstest}{increment}{increment}
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{1}%
+ \makeatletter
+ \def\uqc@cnt@test{2147483645}%
+ \CheckValue{test}{2147483645}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{2147483646}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \Expect{true}*{\ifx\uqc@inc\uqc@NumInc true\else false\fi}%
+ \CheckValue{test}{2147483647}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{2147483648}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{2147483649}%
+\end{qstest}
+
+\begin{qstest}{call}{call}
+ \def\CheckCall#1#2{%
+ \Expect{#1}{#2}%
+ }%
+ \CheckSpace{%
+ \UniqueCounterNew{foo}%
+ }%
+ \CheckValue{foo}{0}%
+ \def\Check#1{%
+ \CheckSpace{%
+ \UniqueCounterCall{foo}{\CheckCall}{#1}%
+ }%
+ \CheckValue{foo}{#1}%
+ }%
+ \Check{1}%
+ \Check{2}%
+ \Check{3}%
+ \Check{4}%
+ \Check{5}%
+ \Check{6}%
+ \Check{7}%
+ \Check{8}%
+ \Check{9}%
+ \Check{10}%
+ \Check{11}%
+ \Check{12}%
+\end{qstest}
+
+\csname @@end\endcsname
+%</test2>
+% \end{macrocode}
+% \subsubsection{Test with plain-\TeX}
+%
+% \begin{macrocode}
+%<*test3>
+\input uniquecounter.sty\relax
+\catcode`\@=11 %
+\def\CheckValue#1#2{%
+ \begingroup
+ \edef\A{#2}%
+ \edef\B{\UniqueCounterGet{#1}}%
+ \ifx\A\B
+ \else
+ \@PackageError{TEST}{Failed: \A\space<> \B}\@ehc
+ \fi
+ \endgroup
+}
+\def\CheckSpace#1{%
+ \setbox0=\hbox{#1}%
+ \ifdim\wd0=\z@
+ \else
+ \@PackageError{TEST}{Failed: 0.0pt <> \the\wd0}\@ehc
+ \fi
+}
+
+\begingroup
+ \CheckSpace{%
+ \UniqueCounterNew{test}%
+ }%
+ \CheckValue{test}{0}%
+\endgroup
+
+\begingroup
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{1}%
+ \def\uqc@cnt@test{2147483645}%
+ \CheckValue{test}{2147483645}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{2147483646}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \ifx\uqc@inc\uqc@NumInc
+ \else
+ \@PackageError{TEST}{Failed: wrong inc function}\@ehc
+ \fi
+ \CheckValue{test}{2147483647}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{2147483648}%
+ \CheckSpace{%
+ \UniqueCounterIncrement{test}%
+ }%
+ \CheckValue{test}{2147483649}%
+\endgroup
+\begingroup
+ \def\CheckCall#1#2{%
+ \begingroup
+ \def\A{#1}%
+ \def\B{#2}%
+ \ifx\A\B
+ \else
+ \@PackageError{TEST}{Failed: \A\space <> \B}\@ehc
+ \fi
+ \endgroup
+ }%
+ \CheckSpace{%
+ \UniqueCounterNew{foo}%
+ }%
+ \CheckValue{foo}{0}%
+ \CheckSpace{%
+ \UniqueCounterCall{foo}{\CheckCall}{1}%
+ }%
+ \CheckSpace{%
+ \UniqueCounterCall{foo}{\CheckCall}{2}%
+ }%
+ \CheckValue{foo}{2}%
+\endgroup
+\csname @@end\endcsname\end
+%</test3>
+% \end{macrocode}
+%
+% \section{Installation}
+%
+% \subsection{Download}
+%
+% \paragraph{Package.} This package is available on
+% CTAN\footnote{\url{http://ctan.org/pkg/uniquecounter}}:
+% \begin{description}
+% \item[\CTAN{macros/latex/contrib/oberdiek/uniquecounter.dtx}] The source file.
+% \item[\CTAN{macros/latex/contrib/oberdiek/uniquecounter.pdf}] Documentation.
+% \end{description}
+%
+%
+% \paragraph{Bundle.} All the packages of the bundle `oberdiek'
+% are also available in a TDS compliant ZIP archive. There
+% the packages are already unpacked and the documentation files
+% are generated. The files and directories obey the TDS standard.
+% \begin{description}
+% \item[\CTAN{install/macros/latex/contrib/oberdiek.tds.zip}]
+% \end{description}
+% \emph{TDS} refers to the standard ``A Directory Structure
+% for \TeX\ Files'' (\CTAN{tds/tds.pdf}). Directories
+% with \xfile{texmf} in their name are usually organized this way.
+%
+% \subsection{Bundle installation}
+%
+% \paragraph{Unpacking.} Unpack the \xfile{oberdiek.tds.zip} in the
+% TDS tree (also known as \xfile{texmf} tree) of your choice.
+% Example (linux):
+% \begin{quote}
+% |unzip oberdiek.tds.zip -d ~/texmf|
+% \end{quote}
+%
+% \paragraph{Script installation.}
+% Check the directory \xfile{TDS:scripts/oberdiek/} for
+% scripts that need further installation steps.
+% Package \xpackage{attachfile2} comes with the Perl script
+% \xfile{pdfatfi.pl} that should be installed in such a way
+% that it can be called as \texttt{pdfatfi}.
+% Example (linux):
+% \begin{quote}
+% |chmod +x scripts/oberdiek/pdfatfi.pl|\\
+% |cp scripts/oberdiek/pdfatfi.pl /usr/local/bin/|
+% \end{quote}
+%
+% \subsection{Package installation}
+%
+% \paragraph{Unpacking.} The \xfile{.dtx} file is a self-extracting
+% \docstrip\ archive. The files are extracted by running the
+% \xfile{.dtx} through \plainTeX:
+% \begin{quote}
+% \verb|tex uniquecounter.dtx|
+% \end{quote}
+%
+% \paragraph{TDS.} Now the different files must be moved into
+% the different directories in your installation TDS tree
+% (also known as \xfile{texmf} tree):
+% \begin{quote}
+% \def\t{^^A
+% \begin{tabular}{@{}>{\ttfamily}l@{ $\rightarrow$ }>{\ttfamily}l@{}}
+% uniquecounter.sty & tex/generic/oberdiek/uniquecounter.sty\\
+% uniquecounter.pdf & doc/latex/oberdiek/uniquecounter.pdf\\
+% uniquecounter-example.tex & doc/latex/oberdiek/uniquecounter-example.tex\\
+% test/uniquecounter-test1.tex & doc/latex/oberdiek/test/uniquecounter-test1.tex\\
+% test/uniquecounter-test2.tex & doc/latex/oberdiek/test/uniquecounter-test2.tex\\
+% test/uniquecounter-test3.tex & doc/latex/oberdiek/test/uniquecounter-test3.tex\\
+% uniquecounter.dtx & source/latex/oberdiek/uniquecounter.dtx\\
+% \end{tabular}^^A
+% }^^A
+% \sbox0{\t}^^A
+% \ifdim\wd0>\linewidth
+% \begingroup
+% \advance\linewidth by\leftmargin
+% \advance\linewidth by\rightmargin
+% \edef\x{\endgroup
+% \def\noexpand\lw{\the\linewidth}^^A
+% }\x
+% \def\lwbox{^^A
+% \leavevmode
+% \hbox to \linewidth{^^A
+% \kern-\leftmargin\relax
+% \hss
+% \usebox0
+% \hss
+% \kern-\rightmargin\relax
+% }^^A
+% }^^A
+% \ifdim\wd0>\lw
+% \sbox0{\small\t}^^A
+% \ifdim\wd0>\linewidth
+% \ifdim\wd0>\lw
+% \sbox0{\footnotesize\t}^^A
+% \ifdim\wd0>\linewidth
+% \ifdim\wd0>\lw
+% \sbox0{\scriptsize\t}^^A
+% \ifdim\wd0>\linewidth
+% \ifdim\wd0>\lw
+% \sbox0{\tiny\t}^^A
+% \ifdim\wd0>\linewidth
+% \lwbox
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \else
+% \lwbox
+% \fi
+% \else
+% \usebox0
+% \fi
+% \end{quote}
+% If you have a \xfile{docstrip.cfg} that configures and enables \docstrip's
+% TDS installing feature, then some files can already be in the right
+% place, see the documentation of \docstrip.
+%
+% \subsection{Refresh file name databases}
+%
+% If your \TeX~distribution
+% (\teTeX, \mikTeX, \dots) relies on file name databases, you must refresh
+% these. For example, \teTeX\ users run \verb|texhash| or
+% \verb|mktexlsr|.
+%
+% \subsection{Some details for the interested}
+%
+% \paragraph{Attached source.}
+%
+% The PDF documentation on CTAN also includes the
+% \xfile{.dtx} source file. It can be extracted by
+% AcrobatReader 6 or higher. Another option is \textsf{pdftk},
+% e.g. unpack the file into the current directory:
+% \begin{quote}
+% \verb|pdftk uniquecounter.pdf unpack_files output .|
+% \end{quote}
+%
+% \paragraph{Unpacking with \LaTeX.}
+% The \xfile{.dtx} chooses its action depending on the format:
+% \begin{description}
+% \item[\plainTeX:] Run \docstrip\ and extract the files.
+% \item[\LaTeX:] Generate the documentation.
+% \end{description}
+% If you insist on using \LaTeX\ for \docstrip\ (really,
+% \docstrip\ does not need \LaTeX), then inform the autodetect routine
+% about your intention:
+% \begin{quote}
+% \verb|latex \let\install=y\input{uniquecounter.dtx}|
+% \end{quote}
+% Do not forget to quote the argument according to the demands
+% of your shell.
+%
+% \paragraph{Generating the documentation.}
+% You can use both the \xfile{.dtx} or the \xfile{.drv} to generate
+% the documentation. The process can be configured by the
+% configuration file \xfile{ltxdoc.cfg}. For instance, put this
+% line into this file, if you want to have A4 as paper format:
+% \begin{quote}
+% \verb|\PassOptionsToClass{a4paper}{article}|
+% \end{quote}
+% An example follows how to generate the
+% documentation with pdf\LaTeX:
+% \begin{quote}
+%\begin{verbatim}
+%pdflatex uniquecounter.dtx
+%makeindex -s gind.ist uniquecounter.idx
+%pdflatex uniquecounter.dtx
+%makeindex -s gind.ist uniquecounter.idx
+%pdflatex uniquecounter.dtx
+%\end{verbatim}
+% \end{quote}
+%
+% \section{Catalogue}
+%
+% The following XML file can be used as source for the
+% \href{http://mirror.ctan.org/help/Catalogue/catalogue.html}{\TeX\ Catalogue}.
+% The elements \texttt{caption} and \texttt{description} are imported
+% from the original XML file from the Catalogue.
+% The name of the XML file in the Catalogue is \xfile{uniquecounter.xml}.
+% \begin{macrocode}
+%<*catalogue>
+<?xml version='1.0' encoding='us-ascii'?>
+<!DOCTYPE entry SYSTEM 'catalogue.dtd'>
+<entry datestamp='$Date$' modifier='$Author$' id='uniquecounter'>
+ <name>uniquecounter</name>
+ <caption>Provides unlimited unique counter.</caption>
+ <authorref id='auth:oberdiek'/>
+ <copyright owner='Heiko Oberdiek' year='2009,2011'/>
+ <license type='lppl1.3'/>
+ <version number='1.3'/>
+ <description>
+ This package provides a kind of counter that provides unique
+ number values. Several counters can be created with different names.
+ The numeric values are not limited.
+ <p/>
+ The package is part of the <xref refid='oberdiek'>oberdiek</xref>
+ bundle.
+ </description>
+ <documentation details='Package documentation'
+ href='ctan:/macros/latex/contrib/oberdiek/uniquecounter.pdf'/>
+ <ctan file='true' path='/macros/latex/contrib/oberdiek/uniquecounter.dtx'/>
+ <miktex location='oberdiek'/>
+ <texlive location='oberdiek'/>
+ <install path='/macros/latex/contrib/oberdiek/oberdiek.tds.zip'/>
+</entry>
+%</catalogue>
+% \end{macrocode}
+%
+% \begin{History}
+% \begin{Version}{2009/09/11 v1.0}
+% \item
+% First public version.
+% \end{Version}
+% \begin{Version}{2009/12/18 v1.1}
+% \item
+% Bug fix in \cs{UniqueCounterCall} for values \textgreater\ 9
+% (bug report of Lev Bishop).
+% \end{Version}
+% \begin{Version}{2011/01/30 v1.2}
+% \item
+% Already loaded package files are not input in \hologo{plainTeX}.
+% \end{Version}
+% \begin{Version}{2016/05/16 v1.3}
+% \item
+% Documentation updates.
+% \end{Version}
+% \end{History}
+%
+% \PrintIndex
+%
+% \Finale
+\endinput