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Class: ActiveModel::AttributeMethods::ClassMethods::AttributeMethodPattern

Do not use. This class is for internal use only.
Relationships & Source Files
Namespace Children
Classes:
AttributeMethod
Inherits: Object
Defined in: activemodel/lib/active_model/attribute_methods.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(prefix: "", suffix: "", parameters: nil) ⇒ AttributeMethodPattern

[ GitHub ] 

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 476



def initialize(prefix: "", suffix: "", parameters: nil)
  @prefix = prefix
  @suffix = suffix
  @parameters = parameters.nil? ? "..." : parameters
  @regex = /\A(?:#{Regexp.escape(@prefix)})(.*)(?:#{Regexp.escape(@suffix)})\z/
  @proxy_target = "#{@prefix}attribute#{@suffix}"
  @method_name = "#{prefix}%s#{suffix}"
end


  







Instance Attribute Details



  

    #parameters   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 472



attr_reader :prefix, :suffix, :proxy_target, :parameters


  








  

    #prefix   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 472



attr_reader :prefix, :suffix, :proxy_target, :parameters


  








  

    #proxy_target   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 472



attr_reader :prefix, :suffix, :proxy_target, :parameters


  








  

    #suffix   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 472



attr_reader :prefix, :suffix, :proxy_target, :parameters


  







Instance Method Details



  

    #match(method_name)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 485



def match(method_name)
  if @regex =~ method_name
    AttributeMethod.new(proxy_target, $1)
  end
end


  








  

    #method_name(attr_name)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_methods.rb', line 491



def method_name(attr_name)
  @method_name % attr_name
end