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replace all latex escape characters #81

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replace all latex escape characters #81

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16 changes: 14 additions & 2 deletions ext/TikzGraphsExt.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -4,18 +4,30 @@ import CausalInference

CausalInference.EXTENSIONS_SUPPORTED ? (using TikzGraphs) : (using ..TikzGraphs)

"""Reformat an input string to escape characters reserved for latex"""
function escape_latex_characters(input_string::String)

simple_replacements = replace(input_string, r"([{}&#_%]{1})"=>s"\\\1")
caret = replace(simple_replacements, r"\^"=>s"\\^{}")
dollar = replace(caret, r"\$"=>s"\\$")
backslash = replace(dollar, r"\\(?![$%^&{}_#])"=>s"")
return backslash
end

function CausalInference.plot_pc_graph_tikz(g,
node_labels::AbstractVector{<:AbstractString} = String[])
objs = CausalInference.prepare_pc_graph(g, node_labels)
TikzGraphs.plot(objs.plot_g, [replace(label, "_"=>" ") for label in objs.node_labels],
TikzGraphs.plot(objs.plot_g,
[escape_latex_characters(label) for label in objs.node_labels],
edge_styles = objs.edge_styles, node_style = objs.node_style,
options = objs.options)
end

function CausalInference.plot_fci_graph_tikz(g,
node_labels::AbstractVector{<:AbstractString} = String[])
objs = CausalInference.prepare_fci_graph(g, node_labels)
TikzGraphs.plot(objs.plot_g, [replace(label, "_"=>" ") for label in objs.node_labels],
TikzGraphs.plot(objs.plot_g,
[escape_latex_characters(label) for label in objs.node_labels],
edge_styles = objs.edge_styles, node_style = objs.node_style,
options = objs.options)
end
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