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Current File : //proc/self/root/data/old/usr/share/texlive/texmf-dist/tex/latex/beamer/translator/translator.sty

% Copyright 2007 by Till Tantau
% Copyright 2010 by Vedran Mileti\'c
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the documentation file for more details.

\def\translatorversion{1.10}

\ProvidesPackage{translator}[2010/06/12 ver \translatorversion]

\RequirePackage{keyval}

\def\trans@languages{English}

\newcommand\uselanguage[2][]{%
  \g@addto@macro\trans@languages{,#2}%
}

\newcommand\languagealias[2]{%
  \expandafter\def\csname tr@ml@#1\endcsname{#2}%
}

\input{translator-language-mappings}

\newcommand\languagepath[1]{\def\trans@languagepath{#1}}
\def\trans@languagepath{\languagename,English}

\define@key{translator}{to}{\def\trans@to{#1}}

\newcommand\iftranslationdefined[4][]{%
  \def\trans@to{\trans@defaultto}%
  \setkeys{translator}{#1}%
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname tr@@@\trans@to @#2\endcsname\relax%
    \let\trans@next=\@secondoftwo%
  \else%
    \let\trans@next=\@firstoftwo%
  \fi%
  \trans@next{#3}{#4}%
}

\newcommand\deftranslation[3][]{%
  \def\trans@to{\trans@defaultto}%
  \setkeys{translator}{#1}%
  \expandafter\def\csname tr@@@\trans@to @#2\endcsname{#3}%
}

\newcommand\newtranslation[3][]{%
  \iftranslationdefined[#1]{#2}{%
    \PackageError{translator}{Translation of '#2' already defined}{}%
  }%
  {%
    \deftranslation[#1]{#2}{#3}%
  }%
}

\newcommand\renewtranslation[3][]{%
  \iftranslationdefined[#1]{#2}{%
    \deftranslation[#1]{#2}{#3}%
  }%
  {%
    \PackageError{translator}{Translation of '#2' not defined}{}%
  }%
}

\newcommand\providetranslation[3][]{%
  \iftranslationdefined[#1]{#2}{%
  }%
  {%
    \deftranslation[#1]{#2}{#3}%
  }%
}

\begingroup
\lccode`\A=`\- %
\lowercase{%
  \endgroup
  \def\trans@marker{-A}%
}

\newcommand\translatelet[3][]{%
  \edef\trans@to{\trans@languagepath}%
  \setkeys{translator}{#1}%
  \let\trans@trans\trans@marker%
  \let\trans@list\@empty%
  \@for\trans@lang:=\trans@to\do%
  {%
    \expandafter\ifx\csname tr@ml@\trans@lang\endcsname\relax%
    \else%
      \expandafter\let\expandafter\trans@lang\expandafter=\csname tr@ml@\trans@lang\endcsname%
    \fi%
    \edef\trans@list{\trans@list,\trans@lang}%
  }%
  \@for\trans@lang:=\trans@list\do%
  {%
    \expandafter\ifx\csname tr@@@\trans@lang @#3\endcsname\relax%
    \else%
      \ifx\trans@trans\trans@marker%
        \expandafter\expandafter\expandafter\def
        \expandafter\expandafter\expandafter\trans@trans
        \expandafter\expandafter\expandafter{\csname tr@@@\trans@lang @#3\endcsname}%
      \fi%
    \fi%
  }%
  \ifx\trans@trans\trans@marker%
    \def\trans@trans{#3}%
  \fi%
  \let#2=\trans@trans%
}



\DeclareRobustCommand\translate[2][]{%
  \translatelet[#1]\trans@temp{#2}%
  \trans@temp%
}



\def\trans@dictionaries{}

\newcommand\usedictionary[1]{%
  \g@addto@macro\trans@dictionaries{\usedictionary{#1}}%
}

\def\trans@defaultto{English}

\AtBeginDocument{%
  \renewcommand\usedictionary[1]{%
    \@for\trans@lang:=\trans@languages\do{%
      \ifx\trans@lang\@empty%
      \else%
        \expandafter\ifx\csname ver@#1-\trans@lang.dict\endcsname\relax%
          \edef\trans@temp{%
            \def\noexpand\trans@defaultto{\trans@lang}%
            \noexpand\InputIfFileExists{#1-\trans@lang.dict}{}{}%
            \def\noexpand\trans@defaultto{\trans@defaultto}%
          }%
          \trans@temp%
        \fi%
      \fi%
    }}%
  \trans@dictionaries%
}

\def\ProvidesDictionary#1#2{%
  \begingroup
    \catcode`\ 10 %
    \@makeother\/%
    \@ifnextchar[%]
    {\@providesdictionary{#1}{#2}}{\@providesdictionary{#1}{#2}[]}%
  }
\def\@providesdictionary#1#2[#3]{%
  \wlog{Dictionary: #1, Language: #2 #3}%
  \expandafter\xdef\csname ver@#1-#2.dict\endcsname{#3}%
  \endgroup%
}


\endinput

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