29 lines
1.2 KiB
Ruby
29 lines
1.2 KiB
Ruby
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class Graph < Nanoc3::Filter
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identifier :graph
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require 'rio'
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def run(content, params={})
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content.gsub!(%r{<graph title="([^"]*)">(.+?)</graph>}m) do |full|
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frio = rio("/tmp", "graphtemp.dot").delete
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title=$1
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str=$2
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filename=title.gsub(/[^a-zA-Z0-9_]/,"_")
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frio << %[ digraph Source {
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fontsize=10;
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rankdir="LR";
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graph [truecolor bgcolor="#ffffff00"];
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node [width=0, height=0, fontname="Optima Bold", shape="Mrecord", color="#000000", style="filled" fillcolor="#eeeeee", fontcolor="#333333"] ;
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edge [arrowsize=.5, color="#333333"] ; ]
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frio << str
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frio << %[}]
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rio('output'+@item.path+'graph').mkpath
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webpath=@item.path + 'graph/' + filename + '.png'
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path='output'+webpath
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puts "dot -Tpng -o #{path} /tmp/graphtemp.dot"
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system("dot -Tpng -o #{path} /tmp/graphtemp.dot")
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puts %{<img alt="#{title}" src="#{webpath}"/>}
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%{<img alt="#{title}" src="#{webpath}"/>}
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end
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content
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end
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end
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