Class: Object

Inherits:
BasicObject
Defined in:
lib/puppet/util/zaml.rb,
lib/puppet/util/metaid.rb,
lib/puppet/util/monkey_patches.rb

Overview

Behavior for custom classes

Instance Method Summary collapse

Instance Method Details

#class_def(name, &blk) ⇒ Object

Defines an instance method within a class



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# File 'lib/puppet/util/metaid.rb', line 17

def class_def(name, &blk)
  class_eval { define_method name, &blk }
end

#daemonize ⇒ Object

ActiveSupport 2.3.x mixes in a dangerous method that can cause rspec to fork bomb and other strange things like that.

Raises:

  • (NotImplementedError) 


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# File 'lib/puppet/util/monkey_patches.rb', line 64

def daemonize
  raise NotImplementedError, "Kernel.daemonize is too dangerous, please don't try to use it."
end

#meta_def(name, &blk) ⇒ Object

Adds methods to a singleton_class



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# File 'lib/puppet/util/metaid.rb', line 7

def meta_def(name, &blk)
  meta_eval { define_method name, &blk }
end

#meta_eval(&blk) ⇒ Object 



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# File 'lib/puppet/util/metaid.rb', line 4

def meta_eval(&blk); singleton_class.instance_eval(&blk); end

#meta_undef(name, &blk) ⇒ Object

Remove singleton_class methods.



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# File 'lib/puppet/util/metaid.rb', line 12

def meta_undef(name, &blk)
  meta_eval { remove_method name }
end

#singleton_class ⇒ Object

The hidden singleton lurks behind everyone



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# File 'lib/puppet/util/metaid.rb', line 3

def singleton_class; class << self; self; end; end

#to_yaml_properties ⇒ Object 



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# File 'lib/puppet/util/zaml.rb', line 178

def to_yaml_properties
  instance_variables.map(&:to_sym)
end

#to_zaml(z) ⇒ Object 



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# File 'lib/puppet/util/zaml.rb', line 196

def to_zaml(z)
  z.first_time_only(self) {
    z.emit(zamlized_class_name(Object))
    z.nested {
      instance_variables = to_yaml_properties
      if instance_variables.empty?
        z.emit(" {}")
      else
        instance_variables.each { |v|
          z.nl
          v.to_s[1..-1].to_zaml(z)       # Remove leading '@'
          z.emit(': ')
          yaml_property_munge(instance_variable_get(v)).to_zaml(z)
        }
      end
    }
  }
end

#yaml_property_munge(x) ⇒ Object 



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# File 'lib/puppet/util/zaml.rb', line 187

def yaml_property_munge(x)
  x
end

#zamlized_class_name(root) ⇒ Object 



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# File 'lib/puppet/util/zaml.rb', line 191

def zamlized_class_name(root)
  cls = self.class
  "!ruby/#{root.name.downcase}#{cls == root ? '' : ":#{cls.respond_to?(:name) ? cls.name : cls}"}"
end