-
Notifications
You must be signed in to change notification settings - Fork 12
Expand file tree
/
Copy pathProtectedProxy.h
More file actions
77 lines (55 loc) · 1.89 KB
/
ProtectedProxy.h
File metadata and controls
77 lines (55 loc) · 1.89 KB
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
#ifndef Rcpp_ProtectedProxy_h
#define Rcpp_ProtectedProxy_h
namespace Rcpp{
template <class XPtrClass>
class ProtectedProxyPolicy{
public:
class ProtectedProxy : public GenericProxy<ProtectedProxy> {
public:
ProtectedProxy( XPtrClass& xp_ ): xp(xp_){}
template <typename U>
ProtectedProxy& operator=( const U& u) {
return set( wrap(u) );
}
template <typename U>
operator U() const {
return as<U>(get());
}
operator SEXP() const{
return get() ;
}
private:
XPtrClass& xp ;
inline SEXP get() const {
return R_ExternalPtrProtected(xp) ;
}
inline ProtectedProxy& set( SEXP x){
R_SetExternalPtrProtected( xp, x ) ;
return *this ;
}
} ;
class const_ProtectedProxy : public GenericProxy<const_ProtectedProxy>{
public:
const_ProtectedProxy( const XPtrClass& xp_ ): xp(xp_){}
template <typename U>
operator U() const {
return as<U>(get());
}
operator SEXP() const{
return get() ;
}
private:
const XPtrClass& xp ;
inline SEXP get() const {
return R_ExternalPtrProtected(xp) ;
}
} ;
ProtectedProxy prot(){
return ProtectedProxy( static_cast<XPtrClass&>(*this) ) ;
}
const_ProtectedProxy prot() const {
return const_ProtectedProxy( static_cast<const XPtrClass&>(*this) ) ;
}
} ;
}
#endif