Module: SWFRecompress::ClassMethods

Included in:
SWFRecompress
Defined in:
lib/swf_recompress.rb

Instance Method Summary collapse

Instance Method Details

#acquire_kzip ⇒ Object 



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# File 'lib/swf_recompress.rb', line 165

def acquire_kzip
  begin
    Tempfile.open('kzipmix.tar.gz', 'wb') do |f|
      begin
        download_kzipmix(f)
      rescue => e
        raise "There was an error downloading kzipmix"
      end
      extracted_kzip_filename = extract_kzipmix(f)
      if File.exists?(extracted_kzip_filename)
        extracted_kzip_md5 = kzip_md5(extracted_kzip_filename)
        if KZIP_MD5 == extracted_kzip_md5
          FileUtils.cp(extracted_kzip_filename, LIB_KZIP)
          File.chmod(0755, LIB_KZIP)
        else
          raise "The MD5 of the downloaded kzip #{extracted_kzip_md5} did not match the expected MD5 #{KZIP_MD5}"
        end
      else
        raise "Failed to extract kzip from the downloaded kzipmix archive"
      end
    end
  rescue => e
    raise "Unable to acquire kzip utility: #{e.message}\n#{KZIP_ABOUT}#{KZIP_INSTALL_TEXT}"
  end
end

#command(*args) ⇒ Object 



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# File 'lib/swf_recompress.rb', line 152

def command(*args)
  args.map { |arg| '"%s"' % arg }.join(' ')
end

#execute(*ramulons) ⇒ Object 



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# File 'lib/swf_recompress.rb', line 145

def execute(*ramulons)
  execution = ramulons.join(' && ')
  results = ramulons.map { |command| `#{command} 2&> /dev/null` }
  puts results.join("\n")
  results
end

#kzip_available? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/swf_recompress.rb', line 156

def kzip_available?
  @kzip_available ||= File.exists?(LIB_KZIP) && KZIP_MD5 == kzip_md5(LIB_KZIP)
end

#kzip_md5(kzip_filename) ⇒ Object 



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# File 'lib/swf_recompress.rb', line 160

def kzip_md5(kzip_filename)
  require 'digest/md5'
  Digest::MD5.hexdigest(File.read(kzip_filename))
end

#recompress(filename) ⇒ Object 



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# File 'lib/swf_recompress.rb', line 128

def recompress(filename)
  expanded_filename = File.expand_path(filename)
  ext               = File.extname(expanded_filename)
  dirname           = File.dirname(expanded_filename)
  new_filename      = File.join(dirname, '%s%s%s' % [ File.basename(expanded_filename, ext), '_compressed', ext ])
  compressor        = SWFRecompressor.new(expanded_filename, new_filename)
  compressor.recompress!
end

#recompress_to(filename, new_filename) ⇒ Object 



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# File 'lib/swf_recompress.rb', line 137

def recompress_to(filename, new_filename)
  expanded_filename = File.expand_path(filename)
  compressor        = SWFRecompressor.new(
    File.expand_path(filename),
    File.expand_path(new_filename))
  compressor.recompress!
end