lib/kramdown/converter.rb in kramdown-1.4.2 vs lib/kramdown/converter.rb in kramdown-1.5.0

@@ -5,10 +5,12 @@
 #
 # This file is part of kramdown which is licensed under the MIT.
 #++
 #
 
+require 'kramdown/utils'
+
 module Kramdown
 
   # This module contains all available converters, i.e. classes that take a root Element and convert
   # it to a specific output format. The result is normally a string. For example, the
   # Converter::Html module converts an element tree into valid HTML.
@@ -22,9 +24,46 @@
     autoload :Latex, 'kramdown/converter/latex'
     autoload :Kramdown, 'kramdown/converter/kramdown'
     autoload :Toc, 'kramdown/converter/toc'
     autoload :RemoveHtmlTags, 'kramdown/converter/remove_html_tags'
     autoload :Pdf, 'kramdown/converter/pdf'
+
+    extend ::Kramdown::Utils::Configurable
+
+    configurable(:syntax_highlighter)
+
+    ["Coderay", "Rouge"].each do |klass_name|
+      kn_down = klass_name.downcase.intern
+      add_syntax_highlighter(kn_down) do |converter, text, lang, type, opts|
+        require "kramdown/converter/syntax_highlighter/#{kn_down}"
+        klass = ::Kramdown::Utils.deep_const_get("::Kramdown::Converter::SyntaxHighlighter::#{klass_name}")
+        if klass::AVAILABLE
+          add_syntax_highlighter(kn_down, klass)
+        else
+          add_syntax_highlighter(kn_down) {|*args| nil}
+        end
+        syntax_highlighter(kn_down).call(converter, text, lang, type, opts)
+      end
+    end
+
+    configurable(:math_engine)
+
+    require 'kramdown/converter/math_engine/mathjax'
+    add_math_engine(:mathjax, ::Kramdown::Converter::MathEngine::Mathjax)
+
+    ["Ritex", "Itex2MML"].each do |klass_name|
+      kn_down = klass_name.downcase.intern
+      add_math_engine(kn_down) do |converter, el, opts|
+        require "kramdown/converter/math_engine/#{kn_down}"
+        klass = ::Kramdown::Utils.deep_const_get("::Kramdown::Converter::MathEngine::#{klass_name}")
+        if klass::AVAILABLE
+          add_math_engine(kn_down, klass)
+        else
+          add_math_engine(kn_down) {|*args| nil}
+        end
+        math_engine(kn_down).call(converter, el, opts)
+      end
+    end
 
   end
 
 end