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%% The LaTeX package tcolorbox - version 4.11 (2017/09/14)
%% tcbexternal.code.tex: Code for externalization
%%
%% -------------------------------------------------------------------------------------------
%% Copyright (c) 2006-2017 by Prof. Dr. Dr. Thomas F. Sturm <thomas dot sturm at unibw dot 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 `author-maintained'.
%%
%% This work consists of all files listed in README
%%
\tcb@set@library@version{4.11}
\tcbuselibrary{pro@cessing}
{
\catcode`\"=12
\xdef\tcbexternal@normal@dq{"}
\catcode`\"=13
\gdef\tcbexternal@activate@normal@dq{\let"=\tcbexternal@normal@dq}
}
\long\def\tcbifexternal#1#2{%
\ifdefined\TCBEXTERNALINPUT%
#1%
\else%
#2%
\fi%
}
\tcbifexternal{%
\def\tcbEXTERNALIZE{%
\RequirePackage{incgraph}%
\TCBEXTERNALPREAMBLE%
\begin{document}%
\begin{inctext}[border=\TCBEXTERNALSAFETY]%
\input{\TCBEXTERNALINPUT}%
\end{inctext}%
\end{document}%
}%
}{%
\def\tcbEXTERNALIZE{%
\tcbset{
external/.cd,
externalize/.is if=tcb@externalize,
externalize=true,
}%
}%
}
\@onlypreamble\tcbEXTERNALIZE
\def\tcbexternal@setbasename#1{%
\edef\tcbexternal@job@name{\expandonce{\tcbexternal@prefix}\expandonce{#1}}%
\edef\tcbexternal@job@mdfive{\expandonce{\tcbexternal@job@name.md5}}%
\edef\tcbexternal@job@source{\expandonce{\tcbexternal@job@name.tex}}%
\edef\tcbexternal@job@pdf{\expandonce{\tcbexternal@job@name.pdf}}%
}
\def\tcbexternal@corecompile{%
\begingroup%
\ifnum\the\catcode`\"=13 \tcbexternal@activate@normal@dq\fi%
\message{=== Compile external '\tcbexternal@job@name': }%
\immediate\openout\tcb@out="\tcbexternal@run@tex"
\immediate\write\tcb@out{\string\gdef\string\TCBEXTERNALINPUT{"\tcbexternal@job@source"}}%
\immediate\write\tcb@out{\string\gdef\string\TCBEXTERNALSAFETY{\tcbexternal@safety}}%
\immediate\write\tcb@out{\string\gdef\string\TCBEXTERNALPREAMBLE{\expandonce{\tcbexternal@preamble}}}%
\ifdefempty{\tcbexternal@preclass}{}{\immediate\write\tcb@out{\expandonce{\tcbexternal@preclass}}}%
\immediate\write\tcb@out{\string\input{"\jobname.tex"}}%
\immediate\closeout\tcb@out%
\foreach \n in {1,...,\tcbexternal@runs}
{%
\ShellEscape{%
\tcbexternal@compiler\space
-shell-escape
-halt-on-error
-interaction=batchmode
-jobname="\tcbexternal@job@name"
"\tcbexternal@run@tex"
}%
}%
\endgroup%
}
\def\tcbexternal@compile#1{%
\tcbiffileprocess{#1}%
{\tcbexternal@job@source}{\tcbexternal@job@mdfive}{\tcbexternal@job@pdf}%
{\tcbexternal@corecompile}{}%
}
\def\tcbexternal@inputsource{%
\IfFileExists{\tcbexternal@job@source}%
{\input{\tcbexternal@job@source}}%
{\tcb@error{File '\tcbexternal@job@source' missing.}{}}%
}
\def\tcbexternal@pdfmissing@warning{%
\tcb@warning{File '\tcbexternal@job@pdf' missing.
Compilation error or shell-escape wasn't enabled or a subdirectory could'nt be generated}%
\message{Load '\tcbexternal@job@source' instead}%
\tcbexternal@inputsource%
}
\def\tcbexternal@pdfmissing@error{%
\tcb@error{File '\tcbexternal@job@pdf' missing.
Compilation error or shell-escape wasn't enabled or a subdirectory could'nt be generated}{}%
}
\def\tcbexternal@inputpdf{%
\IfFileExists{\tcbexternal@job@pdf}%
{%
\begingroup\edef\x{\endgroup%
\noexpand\includegraphics[trim=\tcbexternal@safety\space\tcbexternal@safety%
\space\tcbexternal@safety\space\tcbexternal@safety]{\expandonce{\tcbexternal@job@pdf}}}%
\x%
}%
{\tcbexternal@pdfmissing}%
}
\newif\iftcb@externalize
\tcb@externalizefalse
\def\tcb@useexternal{%
\iftcb@externalize%
\tcbexternal@compile{\tcbexternal@condition}%
\tcbexternal@inputpdf%
\else%
\tcbexternal@compile{2}%
\tcbexternal@inputsource%
\fi%
}
\newenvironment{tcbexternal}[2][]{%
\tcbset{external/.cd,#1,name=#2}%
\@ifundefined{@tcbexternal@JN@\tcbexternal@job@name}{%
\global\@namedef{@tcbexternal@JN@\tcbexternal@job@name}{}%
}{%
\tcb@error{External job name '\tcbexternal@job@name' already used}%
{Give a new unique name to the current external job.}%
}%
\begingroup%
\let\tcb@verbatim@begin@hook=\tcbexternal@out@begin%
\let\tcb@verbatim@end@hook=\tcbexternal@out@end%
\tcbverbatimwrite{\tcbexternal@job@source}}%
{%
\endtcbverbatimwrite\endgroup%
\tcb@useexternal%
}
\long\def\new@tcb@externalizeenvironment#1#2#3#4#5{%
\tcb@newenvironment{#1}[2][]{%
#4%
\begingroup%
\tcbexternal[#3,##1,environment=#2]{##2}%
}{%
\endtcbexternal%
\endgroup%
#5%
}%
}
\def\newtcbexternalizeenvironment{%
\let\tcb@newenvironment\newenvironment%
\new@tcb@externalizeenvironment%
}
\def\renewtcbexternalizeenvironment{%
\let\tcb@newenvironment\renewenvironment%
\new@tcb@externalizeenvironment%
}
\long\def\new@tcb@externalizetcolorbox#1#2#3#4{%
\new@tcb@externalizeenvironment{#1}{#2}%
{preamble tcbset={force nobeforeafter},#3}%
{\tcb@layer@pushup\tcb@apply@box@options{#4}\tcb@set@normal@unbroken@beforeafter\tcb@before@unbroken}%
{\tcb@after@unbroken}%
}
\def\newtcbexternalizetcolorbox{%
\let\tcb@newenvironment\newenvironment%
\new@tcb@externalizetcolorbox%
}
\def\renewtcbexternalizetcolorbox{%
\let\tcb@newenvironment\renewenvironment%
\new@tcb@externalizetcolorbox%
}
\newtcbexternalizeenvironment{extikzpicture}{tikzpicture}{}{}{}
\newtcbexternalizetcolorbox{extcolorbox}{tcolorbox}{}{}
\tcbset{
external/.cd,
%
runner/.code={%
\edef\tcbexternal@run@tex{\expandonce{#1}}%
},
%
prefix/.store in=\tcbexternal@prefix,
compiler/.store in=\tcbexternal@compiler,
runs/.code={\numdef\tcbexternal@runs{#1}},
name/.code={\tcbexternal@setbasename{#1}},
safety/.store in=\tcbexternal@safety,
preamble/.code={\appto\tcbexternal@preamble{#1}},
preamble tcbset/.code={\appto\tcbexternal@preamble{\tcbset{#1}}},
clear preamble/.code={\def\tcbexternal@preamble{}},
preclass/.code={\appto\tcbexternal@preclass{#1}},
clear preclass/.code={\def\tcbexternal@preclass{}},
PassOptionsToPackage/.code 2 args={\appto\tcbexternal@preclass{\PassOptionsToPackage{#1}{#2}}},
PassOptionsToClass/.code 2 args={\appto\tcbexternal@preclass{\PassOptionsToClass{#1}{#2}}},
externalize/.code={},
-/.style={/tcb/external/externalize=false},
%
force remake/.is choice,
force remake/true/.code={\def\tcbexternal@condition{0}},
force remake/false/.code={\def\tcbexternal@condition{1}},
force remake/.default=true,
!/.style={/tcb/external/force remake},
%
input source on error/.is choice,
input source on error/true/.code={\let\tcbexternal@pdfmissing=\tcbexternal@pdfmissing@warning},
input source on error/false/.code={\let\tcbexternal@pdfmissing=\tcbexternal@pdfmissing@error},
input source on error/.default=true,
%
plain/.code={%
\let\tcbexternal@out@begin=\@empty%
\let\tcbexternal@out@end=\@empty%
},
minipage/.code={%
\appto\tcbexternal@out@begin{\immediate\write\tcb@out{\string\begin{minipage}{\the\dimexpr#1\relax}\string\ignorespaces\@percentchar}}%
\preto\tcbexternal@out@end{\immediate\write\tcb@out{\string\end{minipage}\@percentchar}}%
},
minipage/.default=\linewidth,
%
environment with percent/.is choice,
environment with percent/true/.style={%
/tcb/external/environment/.code={%
\appto\tcbexternal@out@begin{\immediate\write\tcb@out{\string\begin{##1}\@percentchar}}%
\preto\tcbexternal@out@end{\immediate\write\tcb@out{\string\end{##1}\@percentchar}}%
}
},
environment with percent/false/.style={%
/tcb/external/environment/.code={%
\appto\tcbexternal@out@begin{\immediate\write\tcb@out{\string\begin{##1}}}%
\preto\tcbexternal@out@end{\immediate\write\tcb@out{\string\end{##1}}}%
}
},
environment with percent/.default=true,
%
runner=\jobname_run.tex,
prefix={external/},
compiler=pdflatex,
runs=1,
name=unnamed,
safety=2mm,
clear preamble,
clear preclass,
force remake=false,
input source on error,
environment with percent,
plain
}
\tcbset{%
externalize example/.style={%
external/name=#1,tempfile=\tcbexternal@job@source,
code={\let\tcbusetemp=\tcb@useexternal}%
},
externalize example!/.style={externalize example=#1,external/force remake},
externalize listing/.style={%
external/name=#1,listing file=\tcbexternal@job@source,
code={\let\tcbuselistingtext@input=\tcb@useexternal}%
},
externalize listing!/.style={externalize listing=#1,external/force remake},
}
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