examples/mixin/mixin.c

   1 #include "Eobj.h"
   2 #include "mixin.h"
   3 #include "simple.h"
   4
   5 #include "config.h"
   6
   7 EAPI Eobj_Op MIXIN_BASE_ID = 0;
   8
   9 static const Eobj_Class *_my_class = NULL;
  10
  11 static void
  12 _ab_sum_get(Eobj *obj, void *class_data EINA_UNUSED, va_list *list)
  13 {
  14    int a, b;
  15    eobj_do(obj, SIMPLE_A_GET(&a), SIMPLE_B_GET(&b));
  16    int *sum = va_arg(*list, int *);
  17    if (sum)
  18       *sum = a + b;
  19    printf("%s %s\n", eobj_class_name_get(_my_class), __func__);
  20 }
  21
  22 static void
  23 _constructor(Eobj *obj, void *class_data EINA_UNUSED)
  24 {
  25    eobj_constructor_super(obj);
  26 }
  27
  28 static void
  29 _destructor(Eobj *obj, void *class_data EINA_UNUSED)
  30 {
  31    eobj_destructor_super(obj);
  32 }
  33
  34 static void
  35 _class_constructor(Eobj_Class *klass)
  36 {
  37    const Eobj_Op_Func_Description func_desc[] = {
  38         EOBJ_OP_FUNC(MIXIN_ID(MIXIN_SUB_ID_AB_SUM_GET), _ab_sum_get),
  39         EOBJ_OP_FUNC_SENTINEL
  40    };
  41
  42    eobj_class_funcs_set(klass, func_desc);
  43 }
  44
  45 const Eobj_Class *
  46 mixin_class_get(void)
  47 {
  48    if (_my_class) return _my_class;
  49
  50    static const Eobj_Op_Description op_desc[] = {
  51         EOBJ_OP_DESCRIPTION(MIXIN_SUB_ID_AB_SUM_GET, "i", "Get the sum of a and b."),
  52         EOBJ_OP_DESCRIPTION_SENTINEL
  53    };
  54
  55    static const Eobj_Class_Description class_desc = {
  56         "Mixin",
  57         EOBJ_CLASS_TYPE_MIXIN,
  58         EOBJ_CLASS_DESCRIPTION_OPS(&MIXIN_BASE_ID, op_desc, MIXIN_SUB_ID_LAST),
  59         NULL,
  60         0,
  61         _constructor,
  62         _destructor,
  63         _class_constructor,
  64         NULL
  65    };
  66
  67    _my_class = eobj_class_new(&class_desc, NULL, NULL);
  68
  69    return _my_class;
  70 }