marmermaidtex.sty

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 
%% (c) Markus Pabst 2022
%%
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License Distributed from CTAN archives
%% in directory macros/latex/base/lppl.txt.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

%% !Note: You have install mermaid.cli -->  http//:github.com/mermaid-js/mermaid-cli#Install-globally
%% !Note: You have add to pdflatex --shell-escape command

\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{marmermaidtex}
  [2022-01-28 v0.03 LaTeX package for include mermaid graphics in latex]
\RequirePackage{
	ifthen,
	xkeyval,
	silence,
	iftex,
	ifpdf,
	graphicx
}

\newboolean{noOverwrite}
\setboolean{noOverwrite}{false} 

\newboolean{noWarningOverwrite}
\setboolean{noWarningOverwrite}{false} 

\DeclareOptionX{noOverwrite}{
	\setboolean{noOverwrite}{true} 
}

\DeclareOptionX{noWarningOverwrite}{
	\setboolean{noWarningOverwrite}{true} 
}
\ProcessOptionsX

\ifthenelse{\NOT\boolean{noOverwrite} \AND \boolean{noWarningOverwrite}}{
		\PackageWarning{marmermaidtex}{All warnings for overwrite files a switch off now.}{}
		\WarningFilter{latex}{Writing or overwriting file}
}

\newboolean{correctTool}   
\setboolean{correctTool}{false} 
\ifXeTeX
	\setboolean{correctTool}{true} 
\fi
\ifpdf
	\setboolean{correctTool}{true} 
\fi

\ifthenelse{\boolean{correctTool}}{}{\PackageError{marmermaidtex}{You aren't using pdflatex, Xetex, Luatex}{}} 
\newenvironment{marmermaidtex}[2][]{
		\def\@graphicsopts{#1}
		\def\tempFilenameMermaidPdf{#2}
	
		\ifthenelse{\boolean{noOverwrite}}{
			\csname filecontents*\endcsname[]{\tempFilenameMermaidPdf.tmp}	
		}{
			\csname filecontents*\endcsname[overwrite]{\tempFilenameMermaidPdf.tmp}
		}
	}
	{
		\csname endfilecontents*\endcsname
		\immediate\write18{mmdc -i \tempFilenameMermaidPdf.tmp -f -q -o \tempFilenameMermaidPdf}
			
		\expandafter\includegraphics\expandafter[\@graphicsopts]{\tempFilenameMermaidPdf}
	}

\endinput
%%
%% End of file `marmermaidtex.sty'.