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Module: FFI::DataConverter

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Extended In:
AutoPointer, StrPtrConverter
Included In:
Bitmask, Enum, Struct::ManagedStructConverter, StructByReference
Defined in: lib/ffi/data_converter.rb

Overview

This module is used to extend somes classes and give then a common API.

Most of methods defined here must be overridden.

Instance Method Summary

Instance Method Details

#from_native(value, ctx)

Convert from a native type.

[ GitHub ] 

  


# File 'lib/ffi/data_converter.rb', line 63



def from_native(value, ctx)
  value
end


  








  

    

      #native_type(type)  ⇒ Type 
      #native_type  
    

  



  

    

Get native type.


  





  


  [ GitHub ]


  

  


# File 'lib/ffi/data_converter.rb', line 45



def native_type(type = nil)
  if type
    @native_type = FFI.find_type(type)
  else
    native_type = @native_type
    unless native_type
      raise NotImplementedError, 'native_type method not overridden and no native_type set'
    end
    native_type
  end
end


  








  

    #to_native(value, ctx)  
  



  

    

Convert to a native type.


  



  [ GitHub ]


  

  


# File 'lib/ffi/data_converter.rb', line 58



def to_native(value, ctx)
  value
end