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% 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}
|
