Removed Hash core addition of to_xml_attributes.

lib/crack/core_extensions.rb

@@ -12,16 +12,3 @@ def blank?
     respond_to?(:empty?) ? empty? : !self
   end unless method_defined?(:blank?)
 end # class Object
-
-class Hash #:nodoc:
-  # @return <String> The hash as attributes for an XML tag.
-  #
-  # @example
-  #   { :one => 1, "two"=>"TWO" }.to_xml_attributes
-  #     #=> 'one="1" two="TWO"'
-  def to_xml_attributes
-    map do |k,v|
-      %{#{Crack::Util.snake_case(k.to_s).sub(/^(.{1,1})/) { |m| m.downcase }}="#{v.to_s.gsub('"', '&quot;')}"}
-    end.join(' ')
-  end
-end

lib/crack/util.rb

@@ -6,6 +6,12 @@ def snake_case(str)
       return $+.downcase
     end
 
+    def to_xml_attributes(hash)
+      hash.map do |k,v|
+        %{#{Crack::Util.snake_case(k.to_s).sub(/^(.{1,1})/) { |m| m.downcase }}="#{v.to_s.gsub('"', '"')}"}
+      end.join(' ')
+    end
+
     extend self
   end
 end

lib/crack/xml.rb

@@ -173,7 +173,7 @@ def inner_html
   # @return <String> The HTML node in text form.
   def to_html
     attributes.merge!(:type => @type ) if @type
-    "<#{name}#{attributes.to_xml_attributes}>#{@nil_element ? '' : inner_html}</#{name}>"
+    "<#{name}#{Crack::Util.to_xml_attributes(attributes)}>#{@nil_element ? '' : inner_html}</#{name}>"
   end
 
   # @alias #to_html #to_s

test/hash_test.rb

@@ -7,18 +7,18 @@ class CrackTest < Test::Unit::TestCase
     end
 
     should "turn the hash into xml attributes" do
-      attrs = @hash.to_xml_attributes
+      attrs = Crack::Util.to_xml_attributes(@hash)
       attrs.should =~ /one="ONE"/m
       attrs.should =~ /two="TWO"/m
       attrs.should =~ /three="it &quot;should&quot; work"/m
     end
 
     should 'preserve _ in hash keys' do
-      attrs = {
+      attrs = Crack::Util.to_xml_attributes({
         :some_long_attribute => "with short value",
         :crash               => :burn,
         :merb                => "uses extlib"
-      }.to_xml_attributes
+      })
 
       attrs.should =~ /some_long_attribute="with short value"/
       attrs.should =~ /merb="uses extlib"/