Class: FFI::Struct::ManagedStructConverter

Inherits:

FFI::StructByReference

• Object
• FFI::StructByReference
• FFI::Struct::ManagedStructConverter

Defined in:

lib/ffi/struct.rb

Instance Attribute Summary

Attributes inherited from FFI::StructByReference

#struct_class

Instance Method Summary

• #from_native(ptr, ctx) ⇒ Struct
• #initialize(struct_class) ⇒ ManagedStructConverter constructor

  A new instance of ManagedStructConverter.

Methods inherited from FFI::StructByReference

#native_type, #to_native

Methods included from DataConverter

#native_type, #to_native

Constructor Details

#initialize(struct_class) ⇒ ManagedStructConverter

Returns a new instance of ManagedStructConverter.

Parameters:

• struct_class (Struct)

Raises:

• (NoMethodError)

# File 'lib/ffi/struct.rb', line 150

def initialize(struct_class)
  super(struct_class)

  raise NoMethodError, "release() not implemented for class #{struct_class}" unless struct_class.respond_to? :release
  @method = struct_class.method(:release)
end

Instance Method Details

#from_native(ptr, ctx) ⇒ Struct

Parameters:

• ptr (Pointer)
• ctx (nil)

Returns:

• (Struct)

# File 'lib/ffi/struct.rb', line 160

def from_native(ptr, ctx)
  struct_class.new(AutoPointer.new(ptr, @method))
end