module Kramdown::Converter::MathEngine::MathjaxNode

Uses the mathjax-node-cli library for converting math formulas to MathML.

Constants

AVAILABLE: MathjaxNode is available if this constant is true.

Public Class Methods

call(converter, el, opts) click to toggle source

# File lib/kramdown/converter/math_engine/mathjaxnode.rb, line 36
def self.call(converter, el, opts)
  type = el.options[:category]

  cmd = [T2MPATH]
  cmd << "--inline" unless type == :block
  cmd << "--semantics" if converter.options[:math_engine_opts][:semantics] == true
  cmd << "--notexhints" if converter.options[:math_engine_opts][:texhints] == false
  result = IO.popen(cmd << el.value).read.strip

  attr = el.attr.dup
  attr.delete('xmlns')
  attr.delete('display')
  result.insert("<math".length, converter.html_attributes(attr))

  (type == :block ? "#{' '*opts[:indent]}#{result}\n" : result)
end