Module: Common

Defined in:
lib/ektoplayer/common.rb

Class Method Summary collapse

Class Method Details

.extract_zip(zip_file, dest) ⇒ Object 



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# File 'lib/ektoplayer/common.rb', line 29

def self.extract_zip(zip_file, dest)
   absolute_path = File.absolute_path(zip_file)
   # try 'unzip'
   out, err, status = Open3.capture3('unzip', absolute_path, chdir: dest)
   fail err unless status.exitstatus == 0
rescue Errno::ENOENT
   # try '7zip'
   out, err, status = Open3.capture3('7z', ?x, absolute_path, chdir: dest)
   fail err unless status.exitstatus == 0
rescue Errno::ENOENT
   # try RubyZip gem
   require 'zip'

   Zip::File.open(absolute_path) do |zip_obj|
      zip_obj.each do |f|
         f.extract(File.join(dest, f.name))
      end
   end
rescue LoadError
   fail 'neither RubzZip gem nor /bin/unzip or /bin/7z found'
rescue
   Ektoplayer::Application.log(self, "error extracting zip", zip_file, dest, $!)
end

.mksingleton(cls) ⇒ Object 



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# File 'lib/ektoplayer/common.rb', line 71

def self.mksingleton(cls)
   unless cls.singleton_methods.include? :_get_instance
      cls.define_singleton_method(:_get_instance) do
         unless cls.class_variable_defined? :@@_class_instance
            cls.class_variable_set :@@_class_instance, cls.new
         end

         cls.class_variable_get :@@_class_instance
      end

      (cls.instance_methods - Object.instance_methods).each do |method|
         cls.define_singleton_method(method) do |*args|
            cls._get_instance.send(method, *args)
         end
      end
   end
end

.open_image_extern(url) ⇒ Object 



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# File 'lib/ektoplayer/common.rb', line 19

def self.open_image_extern(url)
   fork do
      exec('feh', url) rescue (
         exec('display', url) rescue (
            exec('xdg-open', url)
         )
      )
   end
end

.open_url_extern(url) ⇒ Object 



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# File 'lib/ektoplayer/common.rb', line 11

def self.open_url_extern(url)
   if url =~ /\.(jpe?g|png)$/i
      Common.open_image_extern(url)
   else
      fork { exec('xdg-open', url) }
   end
end

.to_time(secs) ⇒ Object 



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# File 'lib/ektoplayer/common.rb', line 66

def self.to_time(secs)
   return '00:00' unless secs or secs == 0
   "%0.2d:%0.2d" % [(secs / 60), (secs % 60)]
end

.with_hash_zip(keys, values) {|hash| ... } ⇒ Object

Yields:

  • (hash) 


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# File 'lib/ektoplayer/common.rb', line 53

def self.with_hash_zip(keys, values)
   hash = {}

   keys.size.times do |i|
      hash[keys[i]] = values[i]
   end

   yield hash

   keys.clear << hash.keys
   values.clear << hash.values
end