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%% dot2texi.sty
%% Copyright (c) 2007-2008, Kjell Magne Fauske
%%
%% Author: Kjell Magne Fauske <km@fauskes.net>
%% http://www.fauskes.net
%%
%% Defines the dot2tex environment for encapsulating graphs described
%% using the Grahviz[1] DOT-language. The dot2tex[2] command line tool is
%% used to convert output from Graphviz' graph layot tools to TikZ and
%% PGF, or PSTricks code. The package will automate this process if
%% shell-escape is enabled.
%%
%% This code is adapted from the packages dottex[3] and gnuplottex[4],
%% written by Lars Kotthoff. The platform detection code is from the
%% ifplatform[5] package.
%%
%% [1] http://www.graphviz.org/
%% [2] http://www.fauskes.net/code/dot2tex/
%% [3] http://http://www.ctan.org/tex-archive/help/Catalogue/entries/dottex.html
%% [4] http://www.ctan.org/tex-archive/help/Catalogue/entries/gnuplottex.html
%% [5] http://www.ctan.org/tex-archive/help/Catalogue/entries/ifplatform.html
%% Copyright (c) 2005, Lars Kotthoff <metalhead@metalhead.ws>
%%
%% Large portions copied from pdftex,
%% Copyright (c) 2001-3, Radhakrishnan CV <cvr@river-valley.com>
%% Rajagopal CV <cvr3@river-valley.com>
%% http://www.river-valley.com
%%
%% River Valley Technologies, Floor III, SJP Buildings, Cotton Hills
%% Trivandrum, India 695014
%%
%% Tel: +91 471 233 7501
%%
%% Antoine Chambert-Loir
%% <chambert@math.polytechnique.fr>
%% http://www.math.polytechnique.fr/\protect \unhbox \voidb@x \penalty \@M \ {}chambert
%%
%% Ecole polytechnique, Palaiseau Cedex, France
%%
%% This program is free software; you can redistribute it and/or
%% modify it under the terms of the GNU General Public License
%% as published by the Free Software Foundation; either version 2
%% of the License, or (at your option) any later version.
%%
%% This program is distributed in the hope that it will be useful,
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
%% GNU General Public License for more details.
%%
%% You should have received a copy of the GNU General Public License
%% along with this program (gpl.txt); if not, write to the Free
%% Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
%% MA 02111-1307, USA.
%%
%% Copyright (C) 2007 by Will Robertson & Johannes Große
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{dot2texi}[2008/05/07 v3.0 Run dot2tex from LaTeX]
\RequirePackage{moreverb}
\RequirePackage{xkeyval}[2005/02/22]
\newif\ifdtt@ShellEscape
%\newif\ifmiktex \miktexfalse
\newif\ifdtt@ForceShellEscape \dtt@ForceShellEscapefalse
\newif\ifdtt@debug \dtt@debugfalse
\newif\ifdtt@autosize \dtt@autosizefalse
% Options related to shell escape
\DeclareOptionX{shell}{\dtt@ShellEscapetrue}
\DeclareOptionX{noshell}{\dtt@ShellEscapefalse}
\DeclareOptionX{forceshell}{\dtt@ForceShellEscapetrue\dtt@ShellEscapetrue}
\DeclareOptionX{miktex}{} % dummy (for backwards compatability)
% Options for setting output format
\DeclareOptionX{pgf}{\def\dtt@format{-fpgf}}
\DeclareOptionX{tikz}{\def\dtt@format{-ftikz}}
\DeclareOptionX{pstricks}{\def\dtt@format{-fpstricks}}
\def\dtt@format{-ftikz} % default output format
\DeclareOptionX{autosize}{\def\dtt@autosizeopt{--autosize}}
\def\dtt@autosizeopt{}
% Options for setting the graph layout program
\DeclareOptionX{dot}{\def\dtt@procprog{--prog=dot}}
\DeclareOptionX{neato}{\def\dtt@procprog{--prog=neato}}
\DeclareOptionX{circo}{\def\dtt@procprog{--prog=circo}}
\DeclareOptionX{fdp}{\def\dtt@procprog{--prog=fdp}}
\DeclareOptionX{twopi}{\def\dtt@procprog{--prog=twopi}}
\def\dtt@procprog{}
% Option for setting an output directory
\DeclareOptionX{outputdir}[]{\def\dtt@outputdir{#1}}
\def\dtt@outputdir{}
\DeclareOptionX{debug}{\dtt@debugtrue}
\newcommand\setoutputdir[1]{\def\dtt@outputdir{#1}}
\ExecuteOptionsX{shell}
\ProcessOptionsX\relax
%% The platform detection code is copied from the ifplatform package
%% avaialable from: http://tug.ctan.org/tex-archive/macros/latex/contrib/ifplatform/
%% Copyright (C) 2007 by Will Robertson & Johannes Große
\newif\ifdtt@ShellEscapeEnabled
\newif\ifwindows
\edef\ip@file{\jobname.w18}
\edef\ip@sig{write18-test-\the\year\the\month\the\day\the\time}
\edef\ip@win{'\ip@sig'}
\def\ip@read@file{%
\newread\instream
\openin\instream=\ip@file
\@tempcnta=\endlinechar
\endlinechar=-1
\read\instream to\@tempa
\endlinechar=\@tempcnta
\closein\instream}
\immediate\write18{echo \ip@win >"\ip@file"}
\IfFileExists{\ip@file}{\dtt@ShellEscapeEnabledtrue}{\dtt@ShellEscapeEnabledfalse}
\ifdtt@ShellEscapeEnabled
\ip@read@file
\ifx\@tempa\ip@sig
\windowsfalse
\else
\ifx\@tempa\ip@win
\windowstrue
\fi
\fi
\immediate\write18{\ifwindows del \else rm -- \fi "\ip@file"}
\fi
\ifdtt@ForceShellEscape
\PackageInfo{dot2texi}
{ForceShellEscape enabled}
\fi
\ifdtt@ShellEscapeEnabled
\PackageInfo{dot2texi}
{Automatically converting dot/neato files}
\else
\PackageWarningNoLine{dot2texi}
{Shell escape not enabled.\MessageBreak
You'll need to convert the graphs yourself.}
\fi
\newcounter{dtt@fignum}
\def\dtt@figname{\dtt@outputdir\jobname-dot2tex-fig\thedtt@fignum}
%%%%%%%%%%%%%%%%% dot2tex code
% Most of the code is from dottex.sty and gnuplottex.sty
% Options
\def\dtt@debugstr{}
\ifdtt@debug
\PackageInfo{dot2texi}{Dot2tex debugging enabled}
\def\dtt@debugstr{--debug}
\fi
\define@choicekey*{dtt}{prog}[\progval\nr]{dot,neato,circo,fdp,twopi}[dot]{%
\def\dtt@procprog{--prog=\progval}}
\define@choicekey*{dtt}{format}[\outputval\nr]{tikz,pgf,pstricks}[tikz]{%
\def\dtt@format{--format=\outputval}}
\define@key{dtt}{options}[]{%
\def\dtt@options{#1}
}
\def\dtt@options{}
\define@key{dtt}{outputdir}[]{%
\def\dtt@outputdir{#1}
}
\define@key{dtt}{file}[]{%
\def\dtt@figname{\dtt@outputdir#1}
}
\define@key{dtt}{shell}[]{\dtt@ShellEscapetrue}
\define@key{dtt}{noshell}[]{\dtt@ShellEscapefalse}
% graph layout
\define@key{dtt}{dot}[]{\def\dtt@procprog{--prog=dot}}
\define@key{dtt}{neato}[]{\def\dtt@procprog{--prog=neato}}
\define@key{dtt}{circo}[]{\def\dtt@procprog{--prog=circo}}
\define@key{dtt}{fdp}[]{\def\dtt@procprog{--prog=fdp}}
\define@key{dtt}{twopi}[]{\def\dtt@procprog{--prog=twopi}}
% output formats
\define@key{dtt}{pgf}[]{\def\dtt@format{--format=pgf}}
\define@key{dtt}{tikz}[]{\def\dtt@format{--format=tikz}}
\define@key{dtt}{pstricks}[]{\def\dtt@format{--format=pstricks}}
% command line shortcuts
\define@key{dtt}{styleonly}[]{\def\dtt@styleonly{--styleonly}}
\def\dtt@styleonly{}
\define@key{dtt}{codeonly}[]{\def\dtt@output{--codeonly}}
\def\dtt@output{--figonly}
\define@key{dtt}{autosize}[]{\def\dtt@autosizeopt{--autosize}}
\define@key{dtt}{noautosize}[]{\def\dtt@autosizeopt{}}
\define@key{dtt}{straightedges}[]{\def\dtt@straightedges{--straightedges}}
\def\dtt@straightedges{}
\define@key{dtt}{tikzedgelabels}[]{\def\dtt@tikzedgelabels{--tikzedgelabels}}
\def\dtt@tikzedgelabels{}
\define@key{dtt}{mathmode}[]{\def\dtt@mathmode{-tmath}}
\def\dtt@mathmode{}
\define@key{dtt}{graphstyle}[]{\def\dtt@graphstyle{--graphstyle="#1"}}
\def\dtt@graphstyle{}
\define@key{dtt}{scale}[]{\def\dtt@graphstyle{--graphstyle="scale=#1,transform shape"}}
\newif\ifdtt@writetofile \dtt@writetofiletrue
\def\dottotexverbatimwrite#1{%
\def\BeforeStream{
\message{Opening dot2tex stream #1}%
}%
\@bsphack
\immediate\openout \verbatim@out #1
\BeforeStream%
\let\do\@makeother\dospecials
\catcode`\^^M\active
\def\verbatim@processline{%
\immediate\write\verbatim@out
{\the\verbatim@line}}%
\verbatim@start%
}
\def\enddottotexverbatimwrite{%
\immediate\closeout\verbatim@out
\@esphack
\catcode`\\0
\catcode`\{1
\catcode`\}2
\catcode`\$3
\catcode`\&4
\catcode`\^^M5
\catcode`\#6
\catcode`\^7
\catcode`\_8
\catcode`\~9% Added this one
\catcode`\ 10
\catcode`\%14}
\newenvironment{dot2tex}[1][]{\stepcounter{dtt@fignum}%
\setkeys{dtt}{#1}
\ifdtt@ForceShellEscape
\dtt@ShellEscapetrue
\fi
\xdef\dottotexCutFile{\dtt@figname.dot}
\dottotexverbatimwrite{\dottotexCutFile}}
{\enddottotexverbatimwrite%
\dottotexgraphicsinclude}
\long\gdef\dottotexgraphicsprocess{%
\ifdtt@ShellEscape
\IfFileExists{\dtt@figname.dot}{%
\immediate\write18{dot2tex \dtt@output\space
\dtt@format\space
\dtt@tikzedgelabels\space
\dtt@straightedges\space
\dtt@styleonly\space
\dtt@autosizeopt\space
\dtt@debugstr\space
\dtt@procprog\space
\dtt@mathmode\space
\dtt@graphstyle\space
-o \dtt@figname.tex \dtt@options\space \dtt@figname.dot}
\IfFileExists{\dtt@figname.tex}{%
\PackageInfo{dot2texo}{\dtt@figname.dot converted}
}
{\PackageWarningNoLine{dot2texi}
{Conversion of \dtt@figname.dot failed.}}}{}
\fi
}
\long\gdef\dottotexgraphicsinclude{\dottotexgraphicsprocess%
\IfFileExists{\dtt@figname.tex}{{\input{\dtt@figname}}}
{\PackageWarningNoLine{dot2texi}
{Please convert \dtt@figname.dot manually}}
}
\endinput
|
