Class: OBF::Utils::Zipper

Inherits:
Object
  • Object
show all
Defined in:
lib/obf/utils.rb

Instance Method Summary collapse

Constructor Details

#initialize(zipfile) ⇒ Zipper

Returns a new instance of Zipper.



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# File 'lib/obf/utils.rb', line 259

def initialize(zipfile)
  @zipfile = zipfile
end

Instance Method Details

#add(path, contents) ⇒ Object 



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# File 'lib/obf/utils.rb', line 263

def add(path, contents)
  @zipfile.get_output_stream(path) {|os| os.write contents }
end

#all_files ⇒ Object 



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# File 'lib/obf/utils.rb', line 276

def all_files
  @zipfile.entries.select{|e| e.file? }.map{|e| e.to_s }
end

#glob(path) ⇒ Object 



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# File 'lib/obf/utils.rb', line 272

def glob(path)
  @zipfile.glob(path)
end

#read(path) ⇒ Object 



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# File 'lib/obf/utils.rb', line 267

def read(path)
  entry = @zipfile.glob(path).first rescue nil
  entry ? entry.get_input_stream.read : nil
end

#read_as_data(path) ⇒ Object 



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# File 'lib/obf/utils.rb', line 280

def read_as_data(path)
  attrs = {}
  raw = @zipfile.read(path)
  types = MIME::Types.type_for(path)
  attrs['content_type'] = types[0] && types[0].to_s

  str = "data:" + attrs['content_type']
  str += ";base64," + Base64.strict_encode64(raw)
  attrs['data'] = str

  if attrs['content_type'].match(/^image/)
    fn = OBF::Utils.temp_path('file')
    file = Tempfile.new('file')
    file.binmode
    file.write raw
    file.close
    data = `identify -verbose #{file.path}`
    data.split(/\n/).each do |line|
      pre, post = line.sub(/^\s+/, '').split(/:\s/, 2)
      if pre == 'Geometry'
        match = post.match(/(\d+)x(\d+)/)
        if match && match[1] && match[2]
          attrs['width'] = match[1].to_i
          attrs['height'] = match[2].to_i
        end
      end
    end
  end
  attrs
end