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Module: ActiveSupport::Gzip

Relationships & Source Files
Namespace Children
Classes:
Stream
Defined in: activesupport/lib/active_support/gzip.rb

Overview

A convenient wrapper for the zlib standard library that allows compression/decompression of strings with gzip.

gzip = ActiveSupport::Gzip.compress('compress me!')
# => "\x1F\x8B\b\x00o\x8D\xCDO\x00\x03K\xCE\xCF-(J-.V\xC8MU\x04\x00R>n\x83\f\x00\x00\x00"

ActiveSupport::Gzip.decompress(gzip)
# => "compress me!"

Class Method Summary

Class Method Details

.compress(source, level = Zlib::DEFAULT_COMPRESSION, strategy = Zlib::DEFAULT_STRATEGY)

Compresses a string using gzip.

[ GitHub ] 

  


# File 'activesupport/lib/active_support/gzip.rb', line 28



def self.compress(source, level=Zlib::DEFAULT_COMPRESSION, strategy=Zlib::DEFAULT_STRATEGY)
  output = Stream.new
  gz = Zlib::GzipWriter.new(output, level, strategy)
  gz.write(source)
  gz.close
  output.string
end


  








  

    .decompress(source)  
  



  

    

Decompresses a gzipped string.


  



  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/gzip.rb', line 23



def self.decompress(source)
  Zlib::GzipReader.new(StringIO.new(source)).read
end