Class: Rubypack::Compressor

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

Instance Method Summary collapse

Constructor Details

#initialize(format:, output:) ⇒ Compressor

Returns a new instance of Compressor.



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# File 'lib/rubypack/compressor.rb', line 7

def initialize(format:, output:)
  @format = format
  @output = output

  @compressor = case format
  when 'tgz'
    Compressors::TGZ.new
  when 'zip'
    Compressors::ZIP.new
  else
    fail("Unknown compressor: #{format}")
  end
end

Instance Method Details

#compress!(path:, output_filename:, overwrite:) ⇒ Object 



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# File 'lib/rubypack/compressor.rb', line 21

def compress!(path:, output_filename:, overwrite:)
  fail("File already exists: #{output_filename}") if !overwrite && File.exists?(output_filename)
  fail("Directory not found: #{path}") unless File.directory?(path)
  output_directory = File.dirname(output_filename)
  fail("Directory not found: #{output_directory}") unless File.directory?(output_directory)

  begin
    filename = File.expand_path(output_filename + @compressor.extension)
    Dir.chdir(path) do
      @compressor.compress(filename: filename) do |out|
        while line = out.gets do
          @output.verbose(' >', line)
        end
      end
    end
  end

  @output.status(' File created: ', filename)
rescue => exception
  @output.error(exception.message)
  fail('Compression canceled')
end

#decompress!(filename:, directory:) ⇒ Object 



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# File 'lib/rubypack/compressor.rb', line 44

def decompress!(filename:, directory:)
  fail("File not found: #{filename}") unless File.exists?(filename)
  fail("Directory already exists: #{directory}") if File.directory?(directory)

  FileUtils.mkdir_p(directory)

  begin
    full_filename = File.expand_path(filename)
    Dir.chdir(directory) do
      @compressor.decompress(filename: full_filename) do |out|
        while line = out.gets do
          @output.verbose(' >', line)
        end
      end
    end
  end

  @output.status(' Directory created: ', directory)
rescue => exception
  @output.error(exception.message)
  fail('Decompression canceled')
end