Module: ScopedStruct::MethodCarrier

Defined in:
lib/scoped_struct.rb

Defined Under Namespace

Classes: BlankSlate

Class Method Summary collapse

Class Method Details

.extend_object(base) ⇒ Object 



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# File 'lib/scoped_struct.rb', line 24

def self.extend_object(base)
  @@method_names.each do |method_name|
    base.class_eval %Q(
      alias #{@@scope_name + '_' + method_name} #{method_name}
      undef #{method_name}
    )
  end
end

.extract_method_names(method_declarations) ⇒ Object 



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# File 'lib/scoped_struct.rb', line 41

def self.extract_method_names(method_declarations)
  cls = BlankSlate.new
  original_methods = cls.methods
  cls.extend(Module.new(&method_declarations))
  cls.methods - original_methods
end

.set_scoped_methods(scope_name, method_declarations) ⇒ Object

Raises:

  • (SyntaxError) 


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# File 'lib/scoped_struct.rb', line 33

def self.set_scoped_methods(scope_name, method_declarations)
  raise SyntaxError.new("No block passed to scope command.") if method_declarations.nil?
  @@scope_name = scope_name.to_s
  @@method_names = extract_method_names(method_declarations).collect{|m| m.to_s}
  raise SyntaxError.new("No methods defined in scope block.") unless @@method_names.any?
  method_declarations.call
end