Class: File::Visitor::Filter::Ext

Inherits:
Object
  • Object
show all
Defined in:
lib/file/visitor/filter/ext.rb

Instance Method Summary collapse

Constructor Details

#initialize(ext) ⇒ Ext

Returns a new instance of Ext.



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# File 'lib/file/visitor/filter/ext.rb', line 6

def initialize(ext)
  if ext.is_a?(Array)
    @extentions = ext
  elsif ext.nil?
    raise ArgumentError, "ext is nil"
  else
    @extentions = [ext]
  end

  @extentions = @extentions.map do |extention|
    if extention.nil? ||
      !(extention.is_a?(String) || extention.is_a?(Symbol))
      raise ArgumentError, "ext must be Sting/Symbol."
    end

    extention = extention.to_s
    unless extention =~ /\A\./
      extention = ".#{extention}"
    end
    extention
  end
end

Instance Method Details

#match?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/file/visitor/filter/ext.rb', line 29

def match?(path)
  ext = File.extname(path)
  @extentions.any? { |fext| ext == fext }
end

#to_s ⇒ Object 



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# File 'lib/file/visitor/filter/ext.rb', line 34

def to_s
  "%s[%s]" % [self.class.name, @extentions.join(',')]
end