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Code Editor : kvsetkeys.sty

%%
%% This is file `kvsetkeys.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% kvsetkeys.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Copyright (C) 2006 by Heiko Oberdiek <oberdiek@uni-freiburg.de>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3 of this license or (at your option) any later
%% version. 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.
%% 
%% This work consists of the main source file kvsetkeys.dtx
%% and the derived files
%%    kvsetkeys.sty, kvsetkeys.pdf, kvsetkeys.ins, kvsetkeys.drv,
%%    kvsetkeys-example.tex.
%% 
\begingroup
  \expandafter\let\expandafter\x\csname ver@kvsetkeys.sty\endcsname
  \ifcase 0%
    \ifx\x\relax % plain
    \else
      \ifx\x\empty % LaTeX
      \else
        1%
      \fi
    \fi
  \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{kvsetkeys}{The package is already loaded}%
    \endgroup
    \expandafter\endinput
  \fi
\endgroup
\begingroup
  \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\relax
        \xdef#1{#3}%
      \fi
    }%
  \fi
\expandafter\x\csname ver@kvsetkeys.sty\endcsname
\ProvidesPackage{kvsetkeys}%
  [2006/10/19 v1.1 Key value parser with default handler support (HO)]
\expandafter\edef\csname KVS@endinput\endcsname{%
  \catcode39 \the\catcode39 % '
  \catcode44 \the\catcode44 % ,
  \catcode61 \the\catcode61 % =
  \catcode64 \the\catcode64 % @
  \catcode94 \the\catcode94 % ^
  \catcode96 \the\catcode96 % `
  \catcode126 \the\catcode126 % ~
  \relax
  \noexpand\endinput
}
\catcode39 12 % '
\catcode44 12 % ,
\catcode61 12 % =
\catcode64 11 % @
\catcode94 7 % ^
\catcode96 12 % `
\catcode126 13 % ~
\def\KVS@empty{}
\long\def\@ReturnAfterFi#1\fi{\fi#1}
\def\kv@normalize#1{%
  \begingroup
    \toks@{,#1}%
    \KVS@comma
    \KVS@equal
    \KVS@spaceA
    \KVS@spaceB{ }%
    \KVS@spaceC
    \KVS@spaceD{ }%
    \xdef\kv@global{\the\toks@}%
  \endgroup
  \let\kv@list\kv@global
}
\begingroup
  \lccode`\,=`\,%
  \lccode`\~=`\,%
\lowercase{\endgroup
  \def\KVS@comma{%
    \toks@\expandafter{\expandafter}\expandafter
    \KVS@@comma\the\toks@~\KVS@nil
  }
  \def\KVS@@comma#1~#2\KVS@nil{%
    \toks@\expandafter{\the\toks@#1,}%
    \toks2{#2}%
    \edef\x{\the\toks2}%
    \ifx\x\KVS@empty
    \else
      \@ReturnAfterFi{%
        \KVS@@comma#2\KVS@nil
      }%
    \fi
  }%
}
\begingroup
  \lccode`\==`\=%
  \lccode`\~=`\=%
\lowercase{\endgroup
  \def\KVS@equal{%
    \toks@\expandafter{\expandafter}\expandafter
    \KVS@@equal\the\toks@~\KVS@nil
  }
  \def\KVS@@equal#1~#2\KVS@nil{%
    \edef\x{\the\toks@}%
    \ifx\x\KVS@empty
      \toks@{#1}%
    \else
      \toks@\expandafter{\the\toks@=#1}%
    \fi
    \toks2{#2}%
    \edef\x{\the\toks2}%
    \ifx\x\KVS@empty
    \else
      \@ReturnAfterFi{%
        \KVS@@equal#2\KVS@nil
      }%
    \fi
  }%
}
\def\KVS@spaceA{%
  \toks@\expandafter{\expandafter}\expandafter
  \KVS@@spaceA\the\toks@= \KVS@nil
}
\def\KVS@@spaceA#1= #2\KVS@nil{%
  \edef\x{\the\toks@}%
  \ifx\x\KVS@empty
    \toks@{#1}%
  \else
    \toks@\expandafter{\the\toks@=#1}%
  \fi
  \toks2{#2}%
  \edef\x{\the\toks2}%
  \ifx\x\KVS@empty
  \else
    \@ReturnAfterFi{%
      \KVS@@spaceA#2\KVS@nil
    }%
  \fi
}
\def\KVS@spaceB#1{%
  \toks@\expandafter{\expandafter}\expandafter
  \KVS@@spaceB\the\toks@#1,\KVS@nil
}
\def\KVS@@spaceB#1 ,#2\KVS@nil{%
  \edef\x{\the\toks@}%
  \ifx\x\KVS@empty
    \toks@{#1}%
  \else
    \toks@\expandafter{\the\toks@,#1}%
  \fi
  \toks2{#2}%
  \edef\x{\the\toks2}%
  \ifx\x\KVS@empty
  \else
    \@ReturnAfterFi{%
      \KVS@@spaceB#2\KVS@nil
    }%
  \fi
}
\def\KVS@spaceC{%
  \toks@\expandafter{\expandafter}\expandafter
  \KVS@@spaceC\the\toks@, \KVS@nil
}
\def\KVS@@spaceC#1, #2\KVS@nil{%
  \edef\x{\the\toks@}%
  \ifx\x\KVS@empty
    \toks@{#1}%
  \else
    \toks@\expandafter{\the\toks@,#1}%
  \fi
  \toks2{#2}%
  \edef\x{\the\toks2}%
  \ifx\x\KVS@empty
  \else
    \@ReturnAfterFi{%
      \KVS@@spaceC#2\KVS@nil
    }%
  \fi
}
\def\KVS@spaceD#1{%
  \toks@\expandafter{\expandafter}\expandafter
  \KVS@@spaceD\the\toks@#1=\KVS@nil
}
\def\KVS@@spaceD#1 =#2\KVS@nil{%
  \edef\x{\the\toks@}%
  \ifx\x\KVS@empty
    \toks@{#1}%
  \else
    \toks@\expandafter{\the\toks@=#1}%
  \fi
  \toks2{#2}%
  \edef\x{\the\toks2}%
  \ifx\x\KVS@empty
  \else
    \@ReturnAfterFi{%
      \KVS@@spaceD#2\KVS@nil
    }%
  \fi
}
\def\kv@parse#1{%
  \kv@normalize{#1}%
  \expandafter\kv@parse@normalized\expandafter{\kv@list}%
}
\def\kv@parse@normalized#1#2{%
  \KVS@parse#1,\KVS@nil{#2}%
}
\def\KVS@parse#1,#2\KVS@nil#3{%
  \begingroup
    \toks@{#1}%
    \edef\x{\the\toks@}%
  \expandafter\endgroup
  \ifx\x\KVS@empty
  \else
    \KVS@process#1=\KVS@nil{#3}%
  \fi
  \begingroup
    \toks@{#2}%
    \edef\x{\the\toks@}%
  \expandafter\endgroup
  \ifx\x\KVS@empty
  \else
    \@ReturnAfterFi{%
      \KVS@parse#2\KVS@nil{#3}%
    }%
  \fi
}
\def\KVS@process#1=#2\KVS@nil#3{%
  \def\kv@key{#1}%
  \begingroup
    \toks@{#2}%
    \edef\x{\the\toks@}%
  \expandafter\endgroup
  \ifx\x\KVS@empty
    \let\kv@value\relax
    #3{#1}{}%
  \else
    \KVS@@process{#1}#2\KVS@nil{#3}%
  \fi
}
\def\KVS@@process#1#2=\KVS@nil#3{%
  \begingroup
    \toks@{#2}%
    \xdef\KVS@global{\the\toks@}%
  \endgroup
  \let\kv@value\KVS@global
  #3{#1}{#2}%
}
\def\kv@processor@default#1#2#3{%
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname KV@#1@#2\endcsname\relax
    \begingroup\expandafter\expandafter\expandafter\endgroup
    \expandafter\ifx\csname KVS@#1@handler\endcsname\relax
      \kv@error@unknownkey{#1}{#2}%
    \else
      \csname KVS@#1@handler\endcsname{#2}{#3}%
      \relax
    \fi
  \else
    \ifx\kv@value\relax
      \begingroup\expandafter\expandafter\expandafter\endgroup
      \expandafter\ifx\csname KV@#1@#2@default\endcsname\relax
        \kv@error@novalue{#1}{#2}%
      \else
        \csname KV@#1@#2@default\endcsname
        \relax
      \fi
    \else
      \csname KV@#1@#2\endcsname{#3}%
    \fi
  \fi
}
\def\kv@set@family@handler#1{%
  \KVS@set@family@handler{#1}\@nil
}
\def\KVS@set@family@handler#1\@nil#{%
  \expandafter\def\csname KVS@#1@handler\endcsname##1##2%
}
\expandafter\ifx\csname MessageBreak\endcsname\relax
  \def\MessageBreak{^^J}%
\fi
\expandafter\ifx\csname @ehc\endcsname\relax
  \def\@ehc{%
    Try typing \space\string<return\string> %
    \space to proceed.\MessageBreak
    If that doesn't work, type \space X %
    \string<return\string> \space to quit\string.%
  }%
\fi
\def\kv@error@novalue{%
  \kv@error@generic{No value specified for}%
}
\def\kv@error@unknownkey{%
  \kv@error@generic{Undefined}%
}
\def\kv@error@generic#1#2#3{%
  \begingroup
    \newlinechar=10 %
    \def\MessageBreak{^^J}%
    \expandafter\ifx\csname PackageError\endcsname\relax
      \edef\x{%
        \errhelp{%
          The keyval family of the key `#3' is `#2'.\MessageBreak
          \MessageBreak
          \@ehc
        }%
      }%
      \x
      \errmessage{kvsetkeys: #1 key `#3'}%
    \else
      \edef\x{%
        \noexpand\PackageError{kvsetkeys}{%
           #1 key `#3'%
        }{%
          The keyval family of the key `#3' is `#2'.\MessageBreak
          \MessageBreak
          \@ehc
        }%
      }%
      \x
    \fi
  \endgroup
}%
\def\kvsetkeys#1#2{%
  \kv@parse{#2}{\kv@processor@default{#1}}%
}
\KVS@endinput
\endinput
%%
%% End of file `kvsetkeys.sty'.

${this.title}

Code Editor : kvsetkeys.sty