| Current File : //usr/share/texlive/texmf-dist/tex/generic/oberdiek/iflang.sty |
%%
%% This is file `iflang.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% iflang.dtx (with options: `package')
%%
%% This is a generated file.
%%
%% Project: iflang
%% Version: 2018/01/21 v1.7
%%
%% Copyright (C)
%% 2007 Heiko Oberdiek
%% 2016-2019 Oberdiek Package Support Group
%%
%% 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
%% https://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%% https://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".
%%
%% The Current Maintainers of this work are
%% Heiko Oberdiek and the Oberdiek Package Support Group
%% https://github.com/ho-tex/oberdiek/issues
%%
%%
%% 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 iflang.dtx
%% and the derived files
%% iflang.sty, iflang.pdf, iflang.ins, iflang.drv, iflang-test1.tex,
%% iflang-test2.tex, iflang-test3.tex, iflang-test4.tex,
%% iflang-test5.tex.
%%
\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@iflang.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{iflang}{The package is already loaded}%
\aftergroup\endinput
\fi
\fi
\endgroup%
\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@iflang.sty\endcsname
\ProvidesPackage{iflang}%
[2018/01/21 v1.7 Checks for the current language (HO)]%
\begingroup\catcode61\catcode48\catcode32=10\relax%
\catcode13=5 % ^^M
\endlinechar=13 %
\catcode123=1 % {
\catcode125=2 % }
\catcode64=11 % @
\def\x{\endgroup
\expandafter\edef\csname IfLang@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\IfLang@AtEnd{%
\IfLang@AtEnd
\catcode#1=\the\catcode#1\relax
}%
\catcode#1=#2\relax
}
\TMP@EnsureCode{39}{12}% '
\TMP@EnsureCode{40}{12}% (
\TMP@EnsureCode{41}{12}% )
\TMP@EnsureCode{44}{12}% ,
\TMP@EnsureCode{46}{12}% .
\TMP@EnsureCode{47}{12}% /
\TMP@EnsureCode{58}{12}% :
\TMP@EnsureCode{91}{12}% [
\TMP@EnsureCode{93}{12}% ]
\edef\IfLang@AtEnd{\IfLang@AtEnd\noexpand\endinput}
\expandafter\ifx\csname @firstoftwo\endcsname\relax
\long\def\@firstoftwo#1#2{#1}%
\fi
\expandafter\ifx\csname @secondoftwo\endcsname\relax
\long\def\@secondoftwo#1#2{#2}%
\fi
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname ifcsname\endcsname\relax
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
{%
\def\IfLang@IfDefined#1{%
\expandafter\ifx\csname#1\endcsname\relax
\expandafter\@secondoftwo
\else
\expandafter\@firstoftwo
\fi
}%
}{%
\def\IfLang@IfDefined#1{%
\ifnum\ifcsname#1\endcsname
\expandafter\ifx\csname#1\endcsname\relax
1%
\else
0%
\fi
\else
1%
\fi
=0 %
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
}%
}
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname RequirePackage\endcsname\relax
\input infwarerr.sty\relax
\input pdftexcmds.sty\relax
\else
\RequirePackage{infwarerr}[2007/09/09]%
\RequirePackage{pdftexcmds}[2016/05/16]%
\fi
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname et@xpatterns\endcsname\relax
\@PackageInfoNoLine{iflang}{%
Naming convention for patterns: babel%
}%
\def\IfLang@prefix{l@}%
\else
\@PackageInfoNoLine{iflang}{%
Naming convention for patterns: etex.src%
}%
\def\IfLang@prefix{lang@}%
\let\IfLang@OrgUseLanguage\uselanguage
\def\uselanguage#1{%
\edef\languagename{#1}%
\IfLang@OrgUseLanguage{#1}%
}%
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname languagename\endcsname\relax
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname lang@USenglish\endcsname\relax
\@PackageWarningNoLine{iflang}{%
\string\lang@USenglish\space is missing%
}%
\else
\ifnum\lang@USenglish=\language
\def\languagename{USenglish}%
\else
\@PackageWarningNoLine{iflang}{%
\string\languagename\space is not set,\MessageBreak
current language is unknown%
}%
\fi
\fi
\fi
\fi
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname languagename\endcsname\relax
\@PackageInfoNoLine{iflang}{%
\string\languagename\space is not set%
}%
\fi
\def\IfLanguagePatterns#1{%
\ifnum\IfLang@IfDefined{\IfLang@prefix#1}{%
\ifnum\csname\IfLang@prefix#1\endcsname=\language
0%
\else
1%
\fi
}{1}=0 %
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
}
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname pdf@strcmp\endcsname\relax
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
{%
\def\IfLang@StrNil{\relax}%
\def\IfLang@StrEqual#1{%
\number\IfLang@StrEqualStart{}{}#1\IfLang@StrNil
}%
\def\IfLang@StrEqualStart#1#2#3{%
\ifx#3\IfLang@StrNil
\IfLang@StrEqualStop
\fi
\ifcat\noexpand#3\relax
\IfLang@StrExpand{#1}{#2}#3%
\fi
\IfLang@StrEqualStart{\if#3#1}{#2\fi}%
}%
\def\IfLang@StrEqualStop\fi#1\IfLang@StrEqualStart#2#3#4{%
\fi
#2#4\relax'#313 %
}%
\def\IfLang@StrExpand#1#2#3\fi\IfLang@StrEqualStart#4#5{%
\fi
\IfLang@@StrExpand{#1}{#2}#3%
}%
\def\IfLang@@StrExpand#1#2#3\IfLang@StrNil{%
\expandafter\IfLang@@@StrExpand#3\IfLang@StrNil{#1}{#2}%
}%
\def\IfLang@@@StrExpand#1\IfLang@StrNil#2#3{%
\IfLang@StrEqualStart{#2}{#3}#1\IfLang@StrNil
}%
\def\IfLanguageName#1{%
\ifnum\IfLang@IfDefined{languagename}{%
\if\expandafter\IfLang@StrEqual\expandafter%
{\languagename}{#1}%
0%
\else
1%
\fi
}{1}=0 %
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
}%
}{%
\def\IfLanguageName#1{%
\ifnum\IfLang@IfDefined{languagename}{%
\pdf@strcmp{#1}{\languagename}%
}{1}=0 %
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi
}%
}
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname languagename\endcsname\relax
\else
\IfLanguagePatterns{\languagename}{}{%
\@PackageWarningNoLine{iflang}{%
Mismatch between \string\language\space
(patterns)\MessageBreak
and setting of \string\languagename
}%
}%
\fi
\IfLang@AtEnd%
%% \section{Installation}
\endinput
%%
%% End of file `iflang.sty'.