Class: Class

Inherits:
Object show all
Defined in:
lib/aliyun/oss/extensions.rb

Instance Method Summary collapse

Instance Method Details

#mattr_accessor(*syms, &blk) ⇒ Object Also known as: cattr_accessor 



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# File 'lib/aliyun/oss/extensions.rb', line 298

def mattr_accessor(*syms, &blk)
  mattr_reader(*syms, &blk)
  mattr_writer(*syms, &blk)
end

#mattr_reader(*syms) ⇒ Object Also known as: cattr_reader 



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# File 'lib/aliyun/oss/extensions.rb', line 250

def mattr_reader(*syms)
  options = syms.extract_options!
  syms.each do |sym|
    raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/
    class_eval(<<-EOS, __FILE__, __LINE__ + 1)
      @@#{sym} = nil unless defined? @@#{sym}

      def self.#{sym}
        @@#{sym}
      end
    EOS

    unless options[:instance_reader] == false || options[:instance_accessor] == false
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        def #{sym}
          @@#{sym}
        end
      EOS
    end
    class_variable_set("@@#{sym}", yield) if block_given?
  end
end

#mattr_writer(*syms) ⇒ Object Also known as: cattr_writer 



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# File 'lib/aliyun/oss/extensions.rb', line 274

def mattr_writer(*syms)
  options = syms.extract_options!
  syms.each do |sym|
    raise NameError.new("invalid attribute name: #{sym}") unless sym =~ /^[_A-Za-z]\w*$/
    class_eval(<<-EOS, __FILE__, __LINE__ + 1)
      @@#{sym} = nil unless defined? @@#{sym}

      def self.#{sym}=(obj)
        @@#{sym} = obj
      end
    EOS

    unless options[:instance_writer] == false || options[:instance_accessor] == false
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        def #{sym}=(obj)
          @@#{sym} = obj
        end
      EOS
    end
    send("#{sym}=", yield) if block_given?
  end
end