Class: UEAStemmer::ConcatenatingEndingRule

Inherits:
EndingRule show all
Defined in:
lib/uea-stemmer/rule.rb

Direct Known Subclasses

ExhaustiveConcatenatingEndingRule

Instance Attribute Summary collapse

Attributes inherited from EndingRule

#original_pattern

Attributes inherited from Rule

#pattern, #rule_num, #suffix_size

Instance Method Summary collapse

Methods included from StringHelpers

#ends_with?, #remove_suffix

Constructor Details

#initialize(pattern, suffix_size, rule_num, new_suffix) ⇒ ConcatenatingEndingRule

Returns a new instance of ConcatenatingEndingRule.



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# File 'lib/uea-stemmer/rule.rb', line 60

def initialize(pattern, suffix_size, rule_num, new_suffix)
  super(pattern, suffix_size, rule_num)
  @new_suffix = new_suffix.dup.freeze
end

Instance Attribute Details

#new_suffix ⇒ Object (readonly)

Returns the value of attribute new_suffix.



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# File 'lib/uea-stemmer/rule.rb', line 58

def new_suffix
  @new_suffix
end

Instance Method Details

#handle(word) ⇒ Object 



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# File 'lib/uea-stemmer/rule.rb', line 65

def handle(word)
  [remove_suffix(word, @suffix_size) + @new_suffix, @rule_num, self] if word =~ @pattern
end

#to_s ⇒ Object 



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# File 'lib/uea-stemmer/rule.rb', line 69

def to_s
  "rule ##{@rule_num} (remove -#{@original_pattern[@original_pattern.size - @suffix_size, @suffix_size]} and add -#{new_suffix} when the word ends in -#{@original_pattern})"
end