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Last active March 8, 2022 20:43
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Convert LaTeX to MathML in Ruby
Raw
example.sh
#!/bin/bash
ruby tex-to-mathml.rb "\( f(x) = \sum_{i=0}^{n} \frac{a_i}{1+x} \)"
Raw
Gemfile
source 'https://rubygems.org'
gem 'itextomml'
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<title>LaTeX to MathML example</title>
</head>
<body>
<math xmlns='http://www.w3.org/1998/Math/MathML' display='inline'><semantics><mrow><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><msubsup><mo lspace="0.16667em" rspace="0.16667em">&Sum;</mo> <mrow><mi>i</mi><mo>=</mo><mn>0</mn></mrow> <mi>n</mi></msubsup><mfrac><mrow><msub><mi>a</mi> <mi>i</mi></msub></mrow><mrow><mn>1</mn><mo>+</mo><mi>x</mi></mrow></mfrac></mrow><annotation encoding='application/x-tex'> f(x) = \sum_{i=0}^{n} \frac{a_i}{1+x} </annotation></semantics></math>
</body>
</html>
Raw
tex-to-mathml.rb
require 'rubygems'
require 'itextomml'
tex = ARGV[0].dup
mathML = Itex2MML::Parser.new.send(:filter, tex)
html = %{
<!DOCTYPE html>
<html>
<head>
<title>LaTeX to MathML example</title>
</head>
<body>
#{mathML}
</body>
</html>
}
puts html
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