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

% Copyright 2003--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 file doc/licenses/LICENSE for more details.

\ProvidesPackageRCS $Header: /Users/joseph/Documents/LaTeX/beamer/base/beamerbasedecode.sty,v efa082c6111d 2010/05/01 11:27:03 rivanvx $

\newcount\beamer@slideinframe
\newcount\beamer@minimum
\newif\ifbeamer@anotherslide
\newif\ifbeamer@localanotherslide

\newif\ifbeamer@plusencountered

%
%
% Empty test
%
%
\long\def\beamer@ifempty#1{\beamer@xifempty#1@@..\@nil}
\long\def\beamer@xifempty#1#2@#3#4#5\@nil{%
  \ifx#3#4\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi}
\let\beamer@ifnextchar=\@ifnextchar

\def\beamer@stoptexts{| stop:0| }
{
   \catcode`\|=13
   \catcode`\:=13
   \catcode`\,=13
   \catcode`\.=13
   \catcode`\+=13
   \catcode`\-=13
   \catcode`\(=13
   \catcode`\)=13
   \catcode`\ =13
\gdef\beamer@masterdecode#1{% must be called within a group
\ifnum\catcode`\|=13\edef|{\string|}\fi%
\ifnum\catcode`\:=13\edef:{\string:}\fi%
\ifnum\catcode`\,=13\edef,{\string,}\fi%
\ifnum\catcode`\.=13\edef.{\string.}\fi%
\ifnum\catcode`\+=13\edef+{\string+}\fi%
\ifnum\catcode`\-=13\edef-{\string-}\fi%
\ifnum\catcode`\(=13\edef({\string(}\fi%
\ifnum\catcode`\)=13\edef){\string)}\fi%
\ifnum\catcode`\ =13\edef {\string }\fi%
\edef\beamer@@@temp{#1\beamer@stoptexts}%
\beamer@localanotherslidefalse%
\setbox0=\hbox{%
\expandafter\beamer@decode\beamer@@@temp%
\ifbeamer@localanotherslide\global\beamer@localanotherslidetrue\fi}%
}%
}

% Sets dowhat to doif, if \beamer@slideinframe is in the specified
% interval. Example: 5-7,-3,9,11,13- would mean pages
% 1,2,3,5,6,7,9,11,13,14,15,16,...
%
% As a side effect, \@another is called whenever the there is a number
% in the list that is larger than the current serialnumber

\def\beamer@allsign{*}

\def\beamer@decode{%
  \beamer@plusencounteredfalse%
  \global\beamer@minimum=10000\relax%
  \gdef\beamer@decaction{}%
  \gdef\beamer@decactionrev{}%
  \global\let\beamer@decodefound=\beamer@allsign%
  \beamer@@decodefind}
\def\beamer@@decodefind#1|{%
  \beamer@ifnextchar\@undefined% get rid of spaces
  {\beamer@@@decodefind#1:|}{\beamer@@@decodefind#1:|}}
\def\beamer@@@decodefind#1:#2|{%
  \beamer@ifempty{#2}%
  {\beamer@decodefind beamer:#1:}%
  {\beamer@decodefind #1:#2}}


\def\beamer@default{default}
\def\beamer@articlemode{article}
\def\beamer@secondmode{second}
\def\beamer@beamermode{beamer}
\def\beamer@presentationmode{presentation}
\def\beamer@modeall{all}
\def\beamer@ovmodestop{stop}
\def\beamer@decodefind#1:#2:{%
  \def\beamer@ovmode{#1}%
  \beameratdecodeaction{#2}%
  \expandafter\futurelet\expandafter\next\expandafter\beamer@checkcat\beamer@spec:%
  \expandafter\beamer@decodeplus\beamer@spec+:%
  \expandafter\beamer@decodedot\beamer@spec.:%
  \ifx\beamer@ovmode\beamer@ovmodestop%
    \expandafter\beamer@@decode\beamer@decodefound,!%
    \let\beamer@next=\relax%
    \ifbeamer@plusencountered\global\advance\c@beamerpauses by1\relax\fi%
  \else
    \ifx\beamer@ovmode\beamer@currentmode%
      \beamer@@decodefound%
    \else%
      \ifx\beamer@ovmode\beamer@modeall%
        \beamer@@decodefound%
      \else%
        \ifx\beamer@ovmode\beamer@presentationmode%
          \ifx\beamer@currentmode\beamer@articlemode%
          \else%
            \beamer@@decodefound%
          \fi%
        \else%
          \ifx\beamer@ovmode\beamer@beamermode%
            \ifx\beamer@currentmode\beamer@secondmode%
              \beamer@@decodefound%
            \fi%
          \fi%
        \fi%
      \fi%
    \fi%
    \let\beamer@next=\beamer@@decodefind%
  \fi%
 \beamer@next}

\def\beamer@checkcat#1:{%
  \ifcat\next a%
    \gdef\beamer@ovmode{#1}%
    \ifx\beamer@decodefound\beamer@allsign
      \gdef\beamer@decodefound{0}%
    \fi%
    \gdef\beamer@spec{1-}%
  \fi%
  }

\def\beamer@@decodefound{%
  \ifx\beamer@action\beamer@default%
    \expandafter\gdef\expandafter\beamer@decodefound\expandafter{\beamer@spec}%
  \else
    \xdef\beamer@decaction{\beamer@decaction{\beamer@action<\beamer@spec>}}
    \xdef\beamer@decactionrev{{\beamer@action}\beamer@decactionrev}
  \fi}
\def\beamer@currentaction{default}

{
\makeatother
\gdef\beameratdecodeaction#1{%
  \beameratdecodeactionb#1@:}
\gdef\beameratdecodeactionb#1@#2:{%
  \beameratdecodeactionc{#1}{#2}}
\gdef\beameratgetridofat#1@{%
  \gdef\beameratspec{#1}%
}
}

\def\beameratdecodeactionc#1#2{%
  \gdef\beamer@spec{#2}%
  \ifx\beamer@spec\@empty%
    \xdef\beamer@spec{#1}%
    \gdef\beamer@action{default}%
  \else%
    \xdef\beamer@action{#1}%
    \beameratgetridofat#2%
    \xdef\beamer@spec{\beameratspec}
  \fi%
}

\def\beamer@decodeplus{%
  \def\beamer@spec{}\beamer@@decodeplus}
\def\beamer@@decodeplus#1+#2:{%
  \edef\beamer@spec{\beamer@spec#1}% everything up to first +
  \beamer@ifempty{#2}{}
  {% ok, check if followed by number:
    \beamer@plusencounteredtrue%
    \beamer@@@decodeplus#2:}}
\def\beamer@@@decodeplus{%
  \beamer@ifnextchar({\beamer@relnumber}{\beamer@relnumber(0)}}
\def\beamer@relnumber(#1){%
  \beamer@plusencounteredtrue%
  \beamer@tempcount=#1\relax
  \advance\beamer@tempcount by\c@beamerpauses\relax%
  \edef\beamer@spec{\beamer@spec\the\beamer@tempcount}%
  \beamer@@decodeplus}

\def\beamer@decodedot{%
  \def\beamer@spec{}\beamer@@decodedot}
\def\beamer@@decodedot#1.#2:{%
  \edef\beamer@spec{\beamer@spec#1}% everything up to first .
  \beamer@ifempty{#2}{}{\beamer@@@decodedot#2:}}
\def\beamer@@@decodedot{%
  \beamer@ifnextchar({\beamer@relnumberdot}{\beamer@relnumberdot(0)}}
\def\beamer@relnumberdot(#1){%
  \beamer@tempcount=#1\relax
  \advance\beamer@tempcount by\c@beamerpauses\relax%
  \advance\beamer@tempcount by-1\relax%
  \edef\beamer@spec{\beamer@spec\the\beamer@tempcount}%
  \beamer@@decodedot}

\def\beamer@doifnotinframe{}
\def\beamer@@decode{%
  \beamer@ifnextchar!%
  {\beamer@decodeend}%
  {%
    \beamer@ifnextchar*%
    {\beamer@decodeall}{%
      \beamer@ifnextchar-%
      {\beamer@decodeuntil}%
      {\beamer@decodenumber}}}}
\def\beamer@decodeend!{}
\def\beamer@decodeall*,{%
  \ifnum1<\beamer@minimum\global\beamer@minimum=1\fi%
  \ifnum1>\beamer@slideinframe%
  \global\beamer@anotherslidetrue%
  \beamer@localanotherslidetrue%
  \fi%
  \gdef\beamer@doifnotinframe{\beamer@doifinframe}\beamer@@decode}
\def\beamer@decodeuntil-#1,{%
  \ifnum1<\beamer@minimum\global\beamer@minimum=1\fi%
  \ifnum#1>\beamer@slideinframe\global\beamer@anotherslidetrue\beamer@localanotherslidetrue\fi%
  \ifnum\beamer@slideinframe>#1\else\gdef\beamer@doifnotinframe{\beamer@doifinframe}\fi%
  \beamer@@decode}
\def\beamer@decodenumber#1{%
  \beamer@ifnextchar,%
  {\beamer@decodeone{#1}}%
  {\beamer@ifnextchar-%
    {\beamer@decodenumberto{#1}}%
    {\beamer@decodegobble{#1}}}}
\def\beamer@decodegobble#1#2{%
  \beamer@decodenumber{#1#2}}
\def\beamer@decodenumberto#1-{
  \beamer@ifnextchar,%
  {\beamer@decodeto{#1}}%
  {\beamer@decodebetween{#1}}}
\def\beamer@decodeto#1,{%
  \ifnum#1<\beamer@minimum\global\beamer@minimum=#1\fi%
  \ifnum#1>\beamer@slideinframe\global\beamer@anotherslidetrue\beamer@localanotherslidetrue\fi%
  \ifnum#1>\beamer@slideinframe\else\gdef\beamer@doifnotinframe{\beamer@doifinframe}\fi%
  \beamer@@decode}
\def\beamer@decodebetween#1#2,{%
  \ifnum#1<\beamer@minimum\global\beamer@minimum=#1\fi%
  \ifnum#1>\beamer@slideinframe\global\beamer@anotherslidetrue\beamer@localanotherslidetrue\fi%
  \ifnum#2>\beamer@slideinframe\global\beamer@anotherslidetrue\beamer@localanotherslidetrue\fi%
  \ifnum#1>\beamer@slideinframe\else\ifnum#2<\beamer@slideinframe\else\gdef\beamer@doifnotinframe{\beamer@doifinframe}\fi\fi%
  \beamer@@decode}
\def\beamer@decodeone#1,{%
  \ifnum#1<\beamer@minimum\global\beamer@minimum=#1\fi%
  \ifnum#1>\beamer@slideinframe\global\beamer@anotherslidetrue\beamer@localanotherslidetrue\fi%
  \ifnum#1=\beamer@slideinframe\gdef\beamer@doifnotinframe{\beamer@doifinframe}\fi%
  \beamer@@decode}

\def\beamer@donow{\beamer@doifnotinframe}

\def\beamer@saveanother{\let\beamer@savedif=\ifbeamer@anotherslide}
\def\beamer@restoreanother{\global\let\ifbeamer@anotherslide=\beamer@savedif}

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