lib/csl/compatibility.rb in csl-1.0.0.pre21 vs lib/csl/compatibility.rb in csl-1.0.0.pre22

@@ -1,9 +1,9 @@
 
 class Symbol
   include Comparable
-  
+
   def <=>(other)
     return unless other.kind_of? Symbol
     to_s <=> other.to_s
   end
 end unless Symbol.is_a?(Comparable)
@@ -18,6 +18,37 @@
   end
 end
 
 class Struct
   alias_method :__class__, :class
-end unless Struct.instance_methods.include?(:__class__)
\ No newline at end of file
+end unless Struct.instance_methods.include?(:__class__)
+
+module CSL
+  module_function
+
+  if RUBY_VERSION < '1.9'
+
+    XML_ENTITY_SUBSTITUTION = Hash[*%w{
+     & &amp; < &lt; > &gt; ' &apos; " &quot;
+    }].freeze
+
+    def encode_xml_text(string)
+      string.gsub(/[&<>]/) { |match|
+        XML_ENTITY_SUBSTITUTION[match]
+      }
+    end
+
+    def encode_xml_attr(string)
+      string.gsub(/[&<>'"]/) { |match|
+        XML_ENTITY_SUBSTITUTION[match]
+      }.inspect
+    end
+  else
+    def encode_xml_text(string)
+      string.encode(:xml => :text)
+    end
+
+    def encode_xml_attr(string)
+      string.encode(:xml => :attr)
+    end
+  end
+end