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#include "ruby.h"
#include "rubyspec.h"
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(HAVE_RDATA) && defined(HAVE_DATA_WRAP_STRUCT)
struct sample_wrapped_struct {
int foo;
};
void sample_wrapped_struct_free(void* st) {
free(st);
}
void sample_wrapped_struct_mark(void* st) {
}
VALUE sdaf_alloc_func(VALUE klass) {
struct sample_wrapped_struct* bar = malloc(sizeof(struct sample_wrapped_struct));
bar->foo = 42;
return Data_Wrap_Struct(klass, &sample_wrapped_struct_mark, &sample_wrapped_struct_free, bar);
}
VALUE sdaf_get_struct(VALUE self) {
struct sample_wrapped_struct* bar;
Data_Get_Struct(self, struct sample_wrapped_struct, bar);
return INT2FIX((*bar).foo);
}
VALUE sws_wrap_struct(VALUE self, VALUE val) {
struct sample_wrapped_struct* bar = malloc(sizeof(struct sample_wrapped_struct));
bar->foo = FIX2INT(val);
return Data_Wrap_Struct(rb_cObject, &sample_wrapped_struct_mark, &sample_wrapped_struct_free, bar);
}
VALUE sws_get_struct(VALUE self, VALUE obj) {
struct sample_wrapped_struct* bar;
Data_Get_Struct(obj, struct sample_wrapped_struct, bar);
return INT2FIX((*bar).foo);
}
VALUE sws_get_struct_rdata(VALUE self, VALUE obj) {
struct sample_wrapped_struct* bar;
bar = (struct sample_wrapped_struct*) RDATA(obj)->data;
return INT2FIX(bar->foo);
}
VALUE sws_get_struct_data_ptr(VALUE self, VALUE obj) {
struct sample_wrapped_struct* bar;
bar = (struct sample_wrapped_struct*) DATA_PTR(obj);
return INT2FIX(bar->foo);
}
VALUE sws_change_struct(VALUE self, VALUE obj, VALUE new_val) {
struct sample_wrapped_struct *old_struct, *new_struct;
new_struct = malloc(sizeof(struct sample_wrapped_struct));
new_struct->foo = FIX2INT(new_val);
old_struct = RDATA(obj)->data;
free(old_struct);
RDATA(obj)->data = new_struct;
return Qnil;
}
#endif
void Init_data_spec(void) {
VALUE cls;
cls = rb_define_class("CApiAllocSpecs", rb_cObject);
#if defined(HAVE_RDATA) && defined(HAVE_DATA_WRAP_STRUCT)
rb_define_alloc_func(cls, sdaf_alloc_func);
rb_define_method(cls, "wrapped_data", sdaf_get_struct, 0);
cls = rb_define_class("CApiWrappedStructSpecs", rb_cObject);
rb_define_method(cls, "wrap_struct", sws_wrap_struct, 1);
rb_define_method(cls, "get_struct", sws_get_struct, 1);
rb_define_method(cls, "get_struct_rdata", sws_get_struct_rdata, 1);
rb_define_method(cls, "get_struct_data_ptr", sws_get_struct_data_ptr, 1);
rb_define_method(cls, "change_struct", sws_change_struct, 2);
#endif
}
#ifdef __cplusplus
}
#endif
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