/*
** data.h - Data class
**
** See Copyright Notice in mruby.h
*/
#ifndef MRUBY_DATA_H
#define MRUBY_DATA_H 1
#if defined(__cplusplus)
extern "C" {
#endif
struct mrb_data_type {
const char *struct_name;
void (*dfree)(mrb_state *mrb, void*);
};
struct RData {
MRUBY_OBJECT_HEADER;
struct kh_iv *iv;
struct mrb_data_type *type;
void *data;
};
struct RData *mrb_data_object_alloc(mrb_state *mrb, struct RClass* klass, void *datap, const struct mrb_data_type *type);
#define Data_Wrap_Struct(mrb,klass,type,ptr)\
mrb_data_object_alloc(mrb,klass,ptr,type)
#define Data_Make_Struct(mrb,klass,strct,type,sval) (\
sval = mrb_malloc(mrb, sizeof(strct)),\
memset(sval, 0, sizeof(strct)),\
Data_Wrap_Struct(mrb,klass,type,sval)\
)
#define RDATA(obj) ((struct RData *)((obj).value.p))
#define DATA_PTR(d) (RDATA(d)->data)
#define DATA_TYPE(d) (RDATA(d)->type)
void *mrb_get_datatype(mrb_state *mrb, mrb_value, const struct mrb_data_type*);
void *mrb_check_datatype(mrb_state *mrb, mrb_value, const struct mrb_data_type*);
#define Data_Get_Struct(mrb,obj,type,sval) do {\
sval = mrb_check_datatype(mrb, obj, type); \
} while (0)
#if defined(__cplusplus)
} /* extern "C" { */
#endif
#endif /* MRUBY_DATA_H */