Class: EnglishSpellcheck

Inherits:
Object
  • Object
show all
Defined in:
lib/english_spellchecker.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(debug: false) ⇒ EnglishSpellcheck

Returns a new instance of EnglishSpellcheck.



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# File 'lib/english_spellchecker.rb', line 14

def initialize(debug: false)
  
  @debug = debug
  @words = Words2DotDat.words
  @spelling = ('a'..'z').map do |c|
    DidYouMean::SpellChecker.new(dictionary: @words.select {|x| x[0] == c})
  end
  
end

Class Method Details

.spell(raww, verbose: true) ⇒ Object 



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# File 'lib/english_spellchecker.rb', line 24

def self.spell(raww, verbose: true)
  
  w = raww.downcase
  
  return raww  if @words.include? w
  list = @words.select {|x| x[0] == w[0]}
  r = DidYouMean::SpellChecker.new(dictionary: list).correct(w)
  
  if r.any? then
    
    found = r.first
    puts 'found: ' + found.inspect if verbose
    
    # return the word found along with the ending of the keyword which 
    # wasn't found.
    #
    if raww.length > found.length then
      if found == w[0..found.length-1] then
        return [found, raww[found.length..-1]]
      else
        return found
      end
    else
      if w == found[0..raww.length-1] then
        return [raww, found[raww.length..-1]]
      else
        return found
      end
    end
    
  else
    nil
  end

end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/english_spellchecker.rb', line 60

def inspect()
  "#<EnglishSpellcheck:#{self.object_id} @spelling=DidYouMean::SpellChecker>"
end

#spell(raww, verbose: true) ⇒ Object Also known as: spelling 



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# File 'lib/english_spellchecker.rb', line 64

def spell(raww, verbose: true)
  
  w = raww.downcase
  
  return raww  if @words.include? w
  c = w[0].ord - 97
  puts 'c: ' + c.inspect if @debug
  r = @spelling[c].correct w
  
  if r.any? then
    
    found = r.first
    puts 'found: ' + found.inspect if verbose

    # return the word found along with the ending of the keyword which 
    # wasn't found.
    #
    if raww.length > found.length then
      if found == w[0..found.length-1] then
        return [found, raww[found.length..-1]]
      else
        return found
      end
    else
      if w == found[0..raww.length-1] then
        return [raww, found[raww.length..-1]]
      else
        return found
      end
    end
    
  else
    nil
  end
  
end