1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
#include <mruby.h>
#include <mruby/class.h>
#include <mruby/string.h>
#include <mruby/istruct.h>
static mrb_value
istruct_test_initialize(mrb_state *mrb, mrb_value self)
{
char *string = (char*)mrb_istruct_ptr(self);
mrb_int size = mrb_istruct_size();
mrb_value object = mrb_get_arg1(mrb);
if (mrb_integer_p(object)) {
strncpy(string, "fixnum", size-1);
}
#ifndef MRB_NO_FLOAT
else if (mrb_float_p(object)) {
strncpy(string, "float", size-1);
}
#endif
else if (mrb_string_p(object)) {
strncpy(string, "string", size-1);
}
else {
strncpy(string, "anything", size-1);
}
string[size - 1] = 0; // force NULL at the end
return self;
}
static mrb_value
istruct_test_to_s(mrb_state *mrb, mrb_value self)
{
return mrb_str_new_cstr(mrb, (const char*)mrb_istruct_ptr(self));
}
static mrb_value
istruct_test_length(mrb_state *mrb, mrb_value self)
{
return mrb_fixnum_value(mrb_istruct_size());
}
static mrb_value
istruct_test_test_receive(mrb_state *mrb, mrb_value self)
{
mrb_value object = mrb_get_arg1(mrb);
if (mrb_obj_class(mrb, object) != mrb_class_get(mrb, "InlineStructTest"))
{
mrb_raise(mrb, E_TYPE_ERROR, "Expected InlineStructTest");
}
return mrb_bool_value(((char*)mrb_istruct_ptr(object))[0] == 's');
}
static mrb_value
istruct_test_test_receive_direct(mrb_state *mrb, mrb_value self)
{
mrb_value is = mrb_get_arg1(mrb);
struct RClass *klass = mrb_class_get(mrb, "InlineStructTest");
/* if you need to protect istruct retrieval from untrusted code,
you need to care about class replacing.
See mrbgem/mruby-random/src/random.c for detail */
if (mrb_istruct_p(is) && mrb_obj_is_kind_of(mrb, is, klass)) {
char *ptr = (char*)mrb_istruct_ptr(is);
return mrb_bool_value(ptr[0] == 's');
}
mrb_raise(mrb, E_TYPE_ERROR, "InlineStructTest");
return mrb_false_value();
}
static mrb_value
istruct_test_mutate(mrb_state *mrb, mrb_value self)
{
char *ptr = (char*)mrb_istruct_ptr(self);
memcpy(ptr, "mutate", 6);
return mrb_nil_value();
}
void mrb_mruby_test_inline_struct_gem_test(mrb_state *mrb)
{
struct RClass *cls;
cls = mrb_define_class(mrb, "InlineStructTest", mrb->object_class);
MRB_SET_INSTANCE_TT(cls, MRB_TT_ISTRUCT);
mrb_define_method(mrb, cls, "initialize", istruct_test_initialize, MRB_ARGS_REQ(1));
mrb_define_method(mrb, cls, "to_s", istruct_test_to_s, MRB_ARGS_NONE());
mrb_define_method(mrb, cls, "mutate", istruct_test_mutate, MRB_ARGS_NONE());
mrb_define_class_method(mrb, cls, "length", istruct_test_length, MRB_ARGS_NONE());
mrb_define_class_method(mrb, cls, "test_receive", istruct_test_test_receive, MRB_ARGS_REQ(1));
mrb_define_class_method(mrb, cls, "test_receive_direct", istruct_test_test_receive_direct, MRB_ARGS_REQ(1));
}
|
