Class: ChainOptions::Util::ContextBoundDelegate

Inherits:
Object
  • Object
show all
Defined in:
lib/chain_options/util.rb

Overview

Shamelessly copied from sunspot/sunspot with some alterations

Constant Summary collapse

BASIC_METHODS = 

      
    

  







  
    

      Class Method Summary
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      Instance Method Summary
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Constructor Details

  
    

  

  
    #initialize(receiver, calling_context)  ⇒ ContextBoundDelegate 
  

  

  




  

    

Returns a new instance of ContextBoundDelegate.



  





  



  

    
      


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# File 'lib/chain_options/util.rb', line 61

def initialize(receiver, calling_context)
  @__receiver__, @__calling_context__ = receiver, calling_context
end


    		
  





  




  
Dynamic Method Handling

  

    This class handles dynamic methods through the method_missing method
    
  

  
    

  

  
    #method_missing(method, *args, &block)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/chain_options/util.rb', line 80

def method_missing(method, *args, &block)
  __proxy_method__(method, *args, &block)
end


    		
  





  




  

    
Class Method Details


    
      

  

  
    .instance_eval_with_context(receiver, &block)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/chain_options/util.rb', line 38

def instance_eval_with_context(receiver, &block)
  calling_context = eval('self', block.binding, __FILE__, __LINE__)

  parent_calling_context = calling_context.instance_eval do
    @__calling_context__ if defined?(@__calling_context__)
  end

  calling_context = parent_calling_context if parent_calling_context
  new(receiver, calling_context).instance_eval(&block)
end


    		
  





    
  


  

    
Instance Method Details


    
      

  

  
    #__proxy_method__(method, *args, &block)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/chain_options/util.rb', line 88

def __proxy_method__(method, *args, &block)
  @__receiver__.__send__(method.to_sym, *args, &block)
rescue ::NoMethodError => e
  begin
    @__calling_context__.__send__(method.to_sym, *args, &block)
  rescue ::NoMethodError
    raise(e)
  end
end


    		
  





    
      

  

  
    #id  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/chain_options/util.rb', line 65

def id
  @__calling_context__.__send__(:id)
rescue ::NoMethodError => e
  begin
    @__receiver__.__send__(:id)
  rescue ::NoMethodError
    raise(e)
  end
end


    		
  





    
      

  

  
    #respond_to_missing?(meth)  ⇒ Boolean 
  

  

  




  

    

  





  

Returns:


    
  
    
  • 
      
      
        (Boolean)
      
      
      
    
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# File 'lib/chain_options/util.rb', line 84

def respond_to_missing?(meth)
  @__receiver__.respond_to?(meth) || @__calling_context__.respond_to?(meth)
end


    		
  





    
      

  

  
    #sub(*args, &block)  ⇒ Object 
  

  

  




  

    

Special case due to ‘Kernel#sub`’s existence



  





  



  

    
      


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# File 'lib/chain_options/util.rb', line 76

def sub(*args, &block)
  __proxy_method__(:sub, *args, &block)
end