Class: FileClassify

Inherits:
Object
  • Object
show all
Defined in:
lib/file_classify.rb,
lib/file_classify/version.rb

Constant Summary collapse

VERSION = 
"0.0.2"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_options = {}) ⇒ FileClassify

Returns a new instance of FileClassify.

Raises:

  • (ArgumentError) 


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# File 'lib/file_classify.rb', line 7

def initialize(file_options = {})
  raise ArgumentError if [:contents, :path].none? { |x| file_options.include?(x) }

  @contents = file_options[:contents]
  @path = file_options[:path]
end

Instance Attribute Details

#contents ⇒ Object

Returns the value of attribute contents.



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# File 'lib/file_classify.rb', line 5

def contents
  @contents
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/file_classify.rb', line 5

def path
  @path
end

Instance Method Details

#ascii? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/file_classify.rb', line 31

def ascii?
  self.binary? ? false : true
end

#binary? ⇒ Boolean

Based off the binary? method from ptools github.com/djberg96/ptools/blob/a43e133b4ee10750c0d4a7f68ab5be92269bbb56/lib/ptools.rb#L78

Returns:

  • (Boolean) 


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# File 'lib/file_classify.rb', line 16

def binary?
  file_path = self.path

  if self.contents
    temp = Tempfile.new('block_size_check', encoding: 'utf-8')
    temp.write(self.contents.force_encoding('utf-8'))
    temp.close

    file_path = temp.path
  end

  s = (File.read(file_path, File.stat(file_path).blksize) || "").split(//)
  return ((s.size - s.grep(" ".."~").size) / s.size.to_f) > 0.30
end

#classify ⇒ Object 



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

def classify
  if self.binary?
    return 'binary'
  else
    return 'ascii'
  end
end