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
|
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// Module_Add_Property.h: Rcpp R/C++ interface class library -- Rcpp modules
//
// Copyright (C) 2010 - 2011 Dirk Eddelbuettel and Romain Francois
//
// This file is part of Rcpp.
//
// Rcpp is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Rcpp is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
#ifndef Rcpp_Module_Field_h
#define Rcpp_Module_Field_h
// getter through a member function
template <typename PROP>
class CppProperty_Getter_Setter : public CppProperty<Class> {
public:
typedef PROP Class::*pointer ;
typedef CppProperty<Class> prop_class ;
CppProperty_Getter_Setter( pointer ptr_ , const char* doc) :
prop_class(doc), ptr(ptr_), class_name(DEMANGLE(PROP)) {}
SEXP get(Class* object) { return Rcpp::wrap( object->*ptr ) ; }
void set(Class* object, SEXP value) { object->*ptr = Rcpp::as<PROP>( value ) ; }
bool is_readonly(){ return false ; }
std::string get_class(){ return class_name; }
private:
pointer ptr ;
std::string class_name ;
} ;
// getter through a member function
template <typename PROP>
class CppProperty_Getter : public CppProperty<Class> {
public:
typedef PROP Class::*pointer ;
typedef CppProperty<Class> prop_class ;
CppProperty_Getter( pointer ptr_, const char* doc = 0 ) :
prop_class(doc), ptr(ptr_), class_name(DEMANGLE(PROP)) {}
SEXP get(Class* object) { return Rcpp::wrap( object->*ptr ) ; }
void set(Class* object, SEXP value) { throw std::range_error("read only data member") ; }
bool is_readonly(){ return true ; }
std::string get_class(){ return class_name; }
private:
pointer ptr ;
std::string class_name ;
} ;
template <typename T>
self& field( const char* name_, T Class::*ptr, const char* docstring = 0){
AddProperty( name_,
new CppProperty_Getter_Setter<T>( ptr, docstring )
) ;
return *this ;
}
template <typename T>
self& field_readonly( const char* name_, T Class::*ptr, const char* docstring = 0 ){
AddProperty( name_,
new CppProperty_Getter<T>( ptr, docstring )
) ;
return *this ;
}
#endif
|
