instiki/lib/maruku/ext/math/mathml_engines/itex2mml.rb
2007-01-22 11:34:51 -06:00

30 lines
762 B
Ruby

module MaRuKu; module Out; module HTML
def convert_to_mathml_itex2mml(kind, tex)
begin
if not $itex2mml_parser
require 'itextomml'
$itex2mml_parser = Itex2MML::Parser.new
end
itex_method = {:equation=>:block_filter,:inline=>:inline_filter}
mathml = $itex2mml_parser.send(itex_method[kind], tex)
doc = Document.new(mathml, {:respect_whitespace =>:all}).root
return doc
rescue LoadError => e
maruku_error "Could not load package 'itex2mml'.\n"+
"Please install it."
rescue REXML::ParseException => e
maruku_error "Invalid MathML TeX: \n#{add_tabs(tex,1,'tex>')}"+
"\n\n #{e.inspect}"
rescue
maruku_error "Could not produce MathML TeX: \n#{tex}"+
"\n\n #{e.inspect}"
end
nil
end
end end end