statemachine.gv

digraph partmc_modules {
    rankdir = TB;
    node [fontsize=10, height=0.3, width=0.5];
    graph [nodesep=0.2, ranksep=0.3];
    edge [arrowsize=0.7, fontsize=10, fontname=Courier];

    start [shape=hexagon, style=filled, fillcolor=honeydew1];
    end [shape=hexagon, style=filled, fillcolor=honeydew1];

    preamble [shape=box, style=filled, fillcolor=lavender];
    coverpage [shape=box, style=filled, fillcolor=lavender];
    zone [shape=box, style=filled, fillcolor=lavender];
    question [shape=box, style=filled, fillcolor=lavender];
    variant [shape=box, style=filled, fillcolor=lavender];
    answers [shape=box, style=filled, fillcolor=lavender];
    answer [shape=box, style=filled, fillcolor=lavender];
    presolution [shape=box, style=filled, fillcolor=lavender];
    solution [shape=box, style=filled, fillcolor=lavender];

    start -> preamble
    preamble -> coverpage [label=" \\begin{document}"]
    preamble -> preamble [label=" <text>", dir=back]
    coverpage -> zone [label=" \\zone"]
    coverpage -> coverpage [label=" <text>", dir=back]
    zone -> question [label="\\question"]
    zone -> zone [label=" <text>", dir=back]
    zone -> end [label="\\end{document}"]
    question -> variant [label="\\variant"]
    question -> question [label=" \\question", dir=back]
    question -> zone [label="\\zone"]
    question -> end [label="\\end{document}"]
    variant -> answers [label=" \\begin{answers}   "]
    variant -> variant [label=" <text>", dir=back]
    variant -> solution [label=" \\begin{solution}"]
    answers -> answer [label="\\answer          \n\\correctanswer   "]
    answer -> presolution [label=" \\end{answers}"]
    answer -> answer [label="\n <text>        \n \\answer       \n \\correctanswer", dir=back]
    presolution -> solution [label="\\begin{solution}"]
    solution -> question [label=" \\end{solution}"]
    solution -> solution [label=" <text>", dir=back]
}