Bring up to current.

lib/maruku/ext/math/mathml_engines/itex2mml.rb

@@ -0,0 +1,35 @@
+
+module MaRuKu; module Out; module HTML
+
+	def convert_to_mathml_itex2mml(tex, method)
+		begin
+			if not $itex2mml_parser
+				require 'itextomml'
+				$itex2mml_parser =  Itex2MML::Parser.new
+			end
+			
+			mathml =  $itex2mml_parser.send(method, 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
+	
+	def to_html_inline_math_itex2mml
+		convert_to_mathml_itex2mml(self.math, :inline_filter) 
+	end
+	
+	def to_html_equation_itex2mml
+		convert_to_mathml_itex2mml(self.math, :block_filter)
+	end
+
+end end end

lib/maruku/ext/math/mathml_engines/none.rb

@@ -0,0 +1,20 @@
+module MaRuKu; module Out; module HTML
+
+	def to_html_inline_math_none
+		# You can: either return a REXML::Element
+		#    return Element.new 'div'    
+		# or return an empty array on error
+		#    return []  
+		# or have a string parsed by REXML:
+		tex = self.math
+		tex.gsub!('&','&')
+		mathml = "<code>#{tex}</code>"
+		return Document.new(mathml).root
+	end
+
+	def to_html_equation_none
+		return to_html_inline_math_none
+	end
+
+end end end
+

lib/maruku/ext/math/mathml_engines/ritex.rb

@@ -0,0 +1,34 @@
+module MaRuKu; module Out; module HTML
+	def convert_to_mathml_ritex(tex)
+		begin
+			if not $ritex_parser
+				require 'ritex'
+			 	$ritex_parser = Ritex::Parser.new
+			end
+			
+			mathml =  $ritex_parser.parse(tex.strip)
+			doc = Document.new(mathml, {:respect_whitespace =>:all}).root
+			return doc
+		rescue LoadError => e
+			maruku_error "Could not load package 'ritex'.\n"+
+			"Please install it using:\n"+
+			"   $ gem install ritex\n\n"+e.inspect
+		rescue Racc::ParseError => e
+			maruku_error "Could not parse TeX: \n#{tex}"+
+				"\n\n #{e.inspect}"
+		end
+		nil
+	end
+	
+	def to_html_inline_math_ritex
+		tex = self.math
+		mathml = convert_to_mathml_ritex(tex)
+		return mathml || []
+	end
+	
+	def to_html_equation_ritex
+		tex = self.math
+		mathml = convert_to_mathml_ritex(tex)
+		return mathml || []
+	end
+end end end