thesis2/graphviz.sty

   1 %%
   2 %% This is file `graphviz.sty',
   3 %% generated with the docstrip utility.
   4 %%
   5 %% The original source files were:
   6 %%
   7 %% graphviz.dtx  (with options: `package')
   8 %%
   9 %% This is a generated file.
  10 %%
  11 %% Copyright (C) 2003-13 by Derek Rayside <drayside@uwaterloo.ca>
  12 %%
  13 %% This file may be distributed and/or modified under the conditions of
  14 %% the LaTeX Project Public License, either version 1.3c of this license
  15 %% or (at your option) any later version.  The latest version of this
  16 %% license is in:
  17 %%
  18 %%    http://www.latex-project.org/lppl.txt
  19 %%
  20 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
  21 \ProvidesPackage{graphviz}
  22    [2013/08/15 v0.94 .dtx graphviz file]
  23 \newif\ifsinglefile
  24 \DeclareOption{singlefile}{
  25     \singlefiletrue
  26     \AtBeginDocument{% open a new file handle
  27         \newwrite\masterdotfile%
  28         \immediate\openout\masterdotfile=\@tmpdir tmpmaster.graphviz%
  29         \newwrite\mastergvprfile%
  30         \immediate\openout\mastergvprfile=\@tmpdir tmpmaster.gvpr}
  31     \AtEndDocument{% close the file
  32         % close the dot file and the gvpr file
  33         \immediate\closeout\masterdotfile%
  34         \immediate\closeout\mastergvprfile%
  35         % execute the gvpr file
  36         \immediate\write18{gvpr -f \@tmpdir tmpmaster.gvpr \@tmpdir tmpmaster.graphviz}%
  37         }}
  38 \newif\ifpsfrag
  39 \DeclareOption{psfrag}{ \psfragtrue }
  40 \newcommand{\@outext}{ps}
  41 \newcommand{\@outextspace}{ps }
  42 \DeclareOption{ps}{
  43     \renewcommand{\@outext}{ps}
  44     \renewcommand{\@outextspace}{ps }}
  45 \DeclareOption{pdf}{%
  46     \renewcommand{\@outext}{pdf}%
  47     \renewcommand{\@outextspace}{pdf }}
  48 \newcommand{\@tmpdir}{}
  49 \DeclareOption{tmpdir}{%
  50     \immediate\write18{mkdir ./tmp/}%
  51     \renewcommand{\@tmpdir}{./tmp/}}
  52 \ExecuteOptions{ps}
  53 \ProcessOptions\relax % LaTeX class guide says it is wise to relax
  54 \RequirePackage{graphicx}
  55 \ifpsfrag \RequirePackage{psfrag} \fi
  56 \newcommand{\digraph}[2][scale=1]{
  57   \inputdigraph[#1]{#2}{dot}%       % Include the generated ps/pdf.
  58   \@digraph{digraph}{#2}%           % Generate the .dot file.
  59 }
  60 \newcommand{\neatograph}[2][scale=1]{
  61   \inputdigraph[#1]{#2}{neato}%     % Include the generated ps/pdf.
  62   \@digraph{graph}{#2}%             % Generate the .dot file.
  63 }
  64 \begingroup
  65   \catcode`\^^M=\active%
  66   \gdef\@digraph{\begingroup\catcode`\^^M=\active\def^^M{^^J}\@@digraph}%
  67 \endgroup
  68 \def\@@digraph#1#2#3{%
  69     \ifsinglefile% write the graph to the master file
  70         \expandafter\def\csname -\endcsname{\string\n}%
  71         \immediate\write\masterdotfile{#1 #2 {#3}}%
  72         \immediate\write\mastergvprfile{BEG_G { if ($.name == "#2") {writeG($G,"\@tmpdir#2.dot");} }}%
  73     \else% open a new file handle
  74         \newwrite\dotfile%
  75         \immediate\openout\dotfile=\@tmpdir#2.dot%
  76         \expandafter\def\csname -\endcsname{\string\n}%
  77         \immediate\write\dotfile{#1 #2 {#3}}%
  78         \immediate\closeout\dotfile%
  79     \fi%
  80     \endgroup}%
  81 \newcommand{\inputdigraph}[3][scale=1]{
  82     % execute dot or neato (nb: requires latex -shell-escape)
  83     \immediate\write18{#3 -T\@outextspace -o \@tmpdir#2.\@outextspace \@tmpdir#2.dot}
  84     \IfFileExists{\@tmpdir#2.\@outext}{ % the postscript/pdf exists: include it
  85             \ifpsfrag
  86                 % per the ladot 2.2 source code, psfrag has a problem with
  87                 % graphviz 2.2, and some sed hackery is necessary to work around
  88                 \write18{sed -ibackup -e "s/xshow/pop show/g" \@tmpdir#2.ps}
  89             \fi
  90             \includegraphics[#1]{\@tmpdir#2.\@outext}
  91         }
  92         % else: the postscript/pdf doesn't exist: tell the user how to create it
  93         {
  94             \fbox{ \begin{tabular}{l}
  95                 The file \texttt{#2.\@outext} hasn't been created from
  96                 \texttt{\@tmpdir#2.dot} yet. \\
  97                 Run `\texttt{dot -T\@outextspace -o \@tmpdir#2.\@outextspace \@tmpdir#2.dot}'
  98                 to create it. \\
  99                 Or invoke \LaTeX\ with the \texttt{-shell-escape} option
 100                 to have this done automatically. \\
 101                 \end{tabular}}
 102         }
 103 }
 104 \endinput
 105 %%
 106 %% End of file `graphviz.sty'.