class Rouge::Guessers::Disambiguation

def self.disambiguate(*patterns, &decider)
  @disambiguators << Disambiguator.new(patterns, &decider)
end

def self.disambiguators
  @disambiguators
end

def contains?(text)
  return @analyzer.include?(text)
end

def filter(lexers)
  return lexers if lexers.size == 1
  return lexers if lexers.size == Lexer.all.size
  @analyzer = TextAnalyzer.new(get_source(@source))
  self.class.disambiguators.each do |disambiguator|
    next unless disambiguator.match?(@filename)
    filtered = disambiguator.decide!(self)
    return filtered if filtered
  end
  return lexers
end

def initialize(filename, source)
  @filename = File.basename(filename)
  @source = source
end

def matches?(re)
  return !!(@analyzer =~ re)
end