Class: Jsonify::BlankSlate

Inherits:

Object

• Object
• Jsonify::BlankSlate

show all

Defined in:

lib/jsonify/blank_slate.rb

Class Method Summary (collapse)

• + (Object) find_hidden_method(name)
• + (Object) hide(name)

  Hide the method named name in the BlankSlate class.

• + (Object) reveal(name)

  Redefine a previously hidden method so that it may be called on a blank slate object.

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# File 'lib/jsonify/blank_slate.rb', line 31

def find_hidden_method(name)
  @hidden_methods ||= {}
  @hidden_methods[name] || superclass.find_hidden_method(name)
end

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# File 'lib/jsonify/blank_slate.rb', line 22

def hide(name)
  if instance_methods.include?(name.to_s) and
    name !~ /^(__|instance_eval)/
    @hidden_methods ||= {}
    @hidden_methods[name.to_sym] = instance_method(name)
    undef_method name
  end
end

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# File 'lib/jsonify/blank_slate.rb', line 38

def reveal(name)
  hidden_method = find_hidden_method(name)
  fail "Don't know how to reveal method '#{name}'" unless hidden_method
  define_method(name, hidden_method)
end