Class: UEAStemmer::Rule

Inherits:
Object
  • Object
show all
Includes:
StringHelpers
Defined in:
lib/rule.rb

Direct Known Subclasses

CustomRule, EndingRule

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from StringHelpers

#ends_with?, #remove_suffix

Constructor Details

#initialize(pattern, suffix_size, rule_num) ⇒ Rule

Returns a new instance of Rule.



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# File 'lib/rule.rb', line 29

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

Instance Attribute Details

#pattern ⇒ Object (readonly)

Returns the value of attribute pattern.



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# File 'lib/rule.rb', line 27

def pattern
  @pattern
end

#rule_num ⇒ Object (readonly)

Returns the value of attribute rule_num.



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# File 'lib/rule.rb', line 27

def rule_num
  @rule_num
end

#suffix_size ⇒ Object (readonly)

Returns the value of attribute suffix_size.



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# File 'lib/rule.rb', line 27

def suffix_size
  @suffix_size
end

Instance Method Details

#handle(word) ⇒ Object 



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# File 'lib/rule.rb', line 35

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

#to_s ⇒ Object 



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# File 'lib/rule.rb', line 39

def to_s
  "rule ##{@rule_num} (remove #{@suffix_size} letters from the end of the word when it matches pattern #{@pattern})"
end