add a rule to handle lying vs flying

ealdent · Jul 16, 2009 · 337bf42 · 337bf42
1 parent 78f8d23
commit 337bf42
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diff --git a/lib/uea-stemmer.rb b/lib/uea-stemmer.rb
@@ -302,6 +302,7 @@ def create_rules
 
     # plural change - this differs from Perl v1.03
     @rules << ConcatenatingEndingRule.new('dying', 4, 58.2, 'ie')   # added by JMA
+    @rules << ExhaustiveConcatenatingEndingRule.new('lying', 4, 58.2, 'ie')   # added by JMA    (lying vs flying)
     @rules << ConcatenatingEndingRule.new('tying', 4, 58.2, 'ie')   # added by JMA
     @rules << EndingRule.new('thing', 0, 58.1)
     @rules << EndingRule.new('things', 1, 58.1)

diff --git a/lib/uea-stemmer/rule.rb b/lib/uea-stemmer/rule.rb
@@ -81,6 +81,12 @@ def to_s
     end
   end
 
+  class ExhaustiveConcatenatingEndingRule < ConcatenatingEndingRule
+    def handle(word)
+      super(word) if word == @original_pattern
+    end
+  end
+
   class CustomRule < Rule
     def initialize(pattern, suffix_size, rule_num)
       super(pattern, suffix_size, rule_num)