Method: Inline::C#reader

Defined in:
lib/inline.rb

#reader(method, type, member = method) ⇒ Object

Adds a reader for a C struct member wrapped via Data_Wrap_Struct. method is the ruby name to give the reader, type is the C type. Unless the C member name is overridden with member, the method name is used as the struct member. See #accessor for an example.



456
457
458
459
460
461
462
463
464
465
466
467
468
469
 
# File 'lib/inline.rb', line 456

def reader(method, type, member = method)
  raise "struct name not set for reader #{method} #{type}" unless
    @struct_name

  c <<-C
VALUE #{method}(void) {
  #{@struct_name} *pointer;

  Data_Get_Struct(self, #{@struct_name}, pointer);

  return #{c2ruby type}(pointer->#{member});
}
  C
end