Class: Gonzui::LicenseDetector

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

Instance Method Summary collapse

Constructor Details

#initialize(text) ⇒ LicenseDetector

Returns a new instance of LicenseDetector.



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# File 'lib/gonzui/license.rb', line 68

def initialize(text)
  len = 512
  @chunk = (text[0, len] or "")  # first 512 bytes
  @chunk << (text[text.length - len, len] or "") # last 512 bytes
  @chunk.gsub!(/[^\w.']+/, " ")
end

Instance Method Details

#allow_later? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gonzui/license.rb', line 75

def allow_later?
  regexp = /or (at your option )?any later version/i
  return regexp.match(@chunk)
end

#detect ⇒ Object 



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# File 'lib/gonzui/license.rb', line 80

def detect
  candidates = []
  LicenseRegistry.each {|license|
    if m = license.regexp.match(@chunk)
      if allow_later?
        license = license.clone
        license.allow_later
      end
      candidates.push([m[0].length, license])
    end
  }
  if candidates.empty?
    return OtherLicense
  else
    license_of_shortest_match = 
      candidates.min {|a, b| a.first <=> b.first }.last
    return license_of_shortest_match
  end
end