entity.rb in rexml-3.3.6

- old
+ new

@@ -10,18 +10,19 @@
     SYSTEMLITERAL = %Q{((?:"[^"]*")|(?:'[^']*'))}
     PUBIDLITERAL = %Q{("[#{PUBIDCHAR}']*"|'[#{PUBIDCHAR}]*')}
     EXTERNALID = "(?:(?:(SYSTEM)\\s+#{SYSTEMLITERAL})|(?:(PUBLIC)\\s+#{PUBIDLITERAL}\\s+#{SYSTEMLITERAL}))"
     NDATADECL = "\\s+NDATA\\s+#{NAME}"
     PEREFERENCE = "%#{NAME};"
+    PEREFERENCE_RE = /#{PEREFERENCE}/um
     ENTITYVALUE = %Q{((?:"(?:[^%&"]|#{PEREFERENCE}|#{REFERENCE})*")|(?:'([^%&']|#{PEREFERENCE}|#{REFERENCE})*'))}
     PEDEF = "(?:#{ENTITYVALUE}|#{EXTERNALID})"
     ENTITYDEF = "(?:#{ENTITYVALUE}|(?:#{EXTERNALID}(#{NDATADECL})?))"
     PEDECL = "<!ENTITY\\s+(%)\\s+#{NAME}\\s+#{PEDEF}\\s*>"
     GEDECL = "<!ENTITY\\s+#{NAME}\\s+#{ENTITYDEF}\\s*>"
     ENTITYDECL = /\s*(?:#{GEDECL})|(?:#{PEDECL})/um
 
-    attr_reader :name, :external, :ref, :ndata, :pubid
+    attr_reader :name, :external, :ref, :ndata, :pubid, :value
 
     # Create a new entity.  Simple entities can be constructed by passing a
     # name, value to the constructor; this creates a generic, plain entity
     # reference. For anything more complicated, you have to pass a Source to
     # the constructor with the entity definition, or use the accessor methods.
@@ -66,18 +67,15 @@
     def Entity::matches? string
       (ENTITYDECL =~ string) == 0
     end
 
     # Evaluates to the unnormalized value of this entity; that is, replacing
-    # all entities -- both %ent; and &ent; entities.  This differs from
-    # +value()+ in that +value+ only replaces %ent; entities.
+    # &ent; entities.
     def unnormalized
       document.record_entity_expansion unless document.nil?
-      v = value()
-      return nil if v.nil?
-      @unnormalized = Text::unnormalize(v, parent)
-      @unnormalized
+      return nil if @value.nil?
+      @unnormalized = Text::unnormalize(@value, parent)
     end
 
     #once :unnormalized
 
     # Returns the value of this entity unprocessed -- raw.  This is the
@@ -117,49 +115,9 @@
 
     # Returns this entity as a string.  See write().
     def to_s
       rv = ''
       write rv
-      rv
-    end
-
-    PEREFERENCE_RE = /#{PEREFERENCE}/um
-    # Returns the value of this entity.  At the moment, only internal entities
-    # are processed.  If the value contains internal references (IE,
-    # %blah;), those are replaced with their values.  IE, if the doctype
-    # contains:
-    #  <!ENTITY % foo "bar">
-    #  <!ENTITY yada "nanoo %foo; nanoo>
-    # then:
-    #  doctype.entity('yada').value   #-> "nanoo bar nanoo"
-    def value
-      @resolved_value ||= resolve_value
-    end
-
-    def parent=(other)
-      @resolved_value = nil
-      super
-    end
-
-    private
-    def resolve_value
-      return nil if @value.nil?
-      return @value unless @value.match?(PEREFERENCE_RE)
-
-      matches = @value.scan(PEREFERENCE_RE)
-      rv = @value.clone
-      if @parent
-        sum = 0
-        matches.each do |entity_reference|
-          entity_value = @parent.entity( entity_reference[0] )
-          if sum + entity_value.bytesize > Security.entity_expansion_text_limit
-            raise "entity expansion has grown too large"
-          else
-            sum += entity_value.bytesize
-          end
-          rv.gsub!( /%#{entity_reference.join};/um, entity_value )
-        end
-      end
       rv
     end
   end
 
   # This is a set of entity constants -- the ones defined in the XML