parse_forest_factory.rb in rley-0.3.05

- old
+ new
@@ -1,56 +1,57 @@
-require_relative 'parse_walker_factory'
-require_relative 'parse_forest_builder'
-
-module Rley # This module is used as a namespace
-  module Parser # This module is used as a namespace
-    # Utility class that helps to create a ParseForest from
-    # a given Parsing object.
-    class ParseForestFactory
-      # Link to Parsing object (= results of recognizer)
-      attr_reader(:parsing)
-
-
-      def initialize(aParsingResult)
-        @parsing = aParsingResult
-      end
-        
-      # Factory that produces the parse forest
-      def build_parse_forest()
-        a_walker = walker(parsing)
-        a_builder = builder(parsing)
-
-        begin
-          loop do
-            event = a_walker.next
-            # puts "EVENT #{event[0]} #{event[1]}"
-            a_builder.receive_event(*event)
-          end
-        rescue StopIteration
-          # Do nothing
-        end
-
-        return a_builder.forest
-      end
-
-
-private
-      # Create a Parsing walker, that is, an object
-      # that will iterate over the relevant nodes (= parsing entries)
-      # of a GFGParsing
-      def walker(aParseResult)
-        walker_factory = ParseWalkerFactory.new
-        accept_entry = aParseResult.accepting_entry
-        accept_index = aParseResult.chart.last_index        
-        walker = walker_factory.build_walker(accept_entry, accept_index)
-      end
-
-      # Create a Builder, that is, an object
-      # that will create piece by piece the forest
-      def builder(aParseResult)
-        ParseForestBuilder.new(aParseResult.tokens)
-      end
-    end # class
-  end # module
-end # module
-
-# End of file
\ No newline at end of file
+require_relative 'parse_walker_factory'
+require_relative 'parse_forest_builder'
+
+module Rley # This module is used as a namespace
+  module Parser # This module is used as a namespace
+    # Utility class that helps to create a ParseForest from
+    # a given Parsing object.
+    class ParseForestFactory
+      # Link to Parsing object (= results of recognizer)
+      attr_reader(:parsing)
+
+
+      def initialize(aParsingResult)
+        @parsing = aParsingResult
+      end
+
+      # Factory that produces the parse forest
+      def build_parse_forest()
+        a_walker = walker(parsing)
+        a_builder = builder(parsing)
+
+        begin
+          loop do
+            event = a_walker.next
+            # puts "EVENT #{event[0]} #{event[1]}"
+            a_builder.receive_event(*event)
+          end
+        rescue StopIteration
+          # Do nothing
+        end
+
+        return a_builder.forest
+      end
+
+
+      private
+
+      # Create a Parsing walker, that is, an object
+      # that will iterate over the relevant nodes (= parsing entries)
+      # of a GFGParsing
+      def walker(aParseResult)
+        walker_factory = ParseWalkerFactory.new
+        accept_entry = aParseResult.accepting_entry
+        accept_index = aParseResult.chart.last_index
+        walker_factory.build_walker(accept_entry, accept_index)
+      end
+
+      # Create a Builder, that is, an object
+      # that will create piece by piece the forest
+      def builder(aParseResult)
+        ParseForestBuilder.new(aParseResult.tokens)
+      end
+    end # class
+  end # module
+end # module
+
+# End of file