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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// Module_Property.h: Rcpp R/C++ interface class library -- Rcpp modules
//
// Copyright (C) 2010 - 2017 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_Property_h
#define Rcpp_Module_Property_h
// getter through a member function
template <typename Class, typename PROP>
class CppProperty_GetMethod : public CppProperty<Class> {
public:
typedef PROP (Class::*GetMethod)(void);
typedef CppProperty<Class> prop_class;
CppProperty_GetMethod(GetMethod getter_, const char* doc = 0) :
prop_class(doc), getter(getter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) { return Rcpp::wrap((object->*getter)()); }
void set(Class*, SEXP) { throw std::range_error("property is read only"); }
bool is_readonly(){ return true; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
std::string class_name;
};
// getter through a const member function
template <typename Class, typename PROP>
class CppProperty_GetConstMethod : public CppProperty<Class> {
public:
typedef PROP (Class::*GetMethod)(void) const;
typedef CppProperty<Class> prop_class;
CppProperty_GetConstMethod(GetMethod getter_ , const char* doc = 0) :
prop_class(doc), getter(getter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) { return Rcpp::wrap((object->*getter)()); }
void set(Class*, SEXP) { throw std::range_error("property is read only"); }
bool is_readonly(){ return true; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
std::string class_name;
};
// getter through a free function taking a pointer to Class
template <typename Class, typename PROP>
class CppProperty_GetPointerMethod : public CppProperty<Class> {
public:
typedef PROP (*GetMethod)(Class*);
typedef CppProperty<Class> prop_class;
CppProperty_GetPointerMethod(GetMethod getter_ , const char* doc = 0) :
prop_class(doc), getter(getter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) { return Rcpp::wrap(getter(object)); }
void set(Class*, SEXP) { throw std::range_error("property is read only"); }
bool is_readonly(){ return true; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
std::string class_name;
};
// getter and setter through member functions
template <typename Class, typename PROP>
class CppProperty_GetMethod_SetMethod : public CppProperty<Class> {
public:
typedef PROP (Class::*GetMethod)(void);
typedef void (Class::*SetMethod)(PROP);
typedef CppProperty<Class> prop_class;
CppProperty_GetMethod_SetMethod(GetMethod getter_, SetMethod setter_, const char* doc = 0) :
prop_class(doc), getter(getter_), setter(setter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) {
return Rcpp::wrap((object->*getter)());
}
void set(Class* object, SEXP value) {
(object->*setter)(Rcpp::as< typename Rcpp::traits::remove_const_and_reference< PROP >::type >(value));
}
bool is_readonly(){ return false; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
SetMethod setter;
std::string class_name;
};
template <typename Class, typename PROP>
class CppProperty_GetConstMethod_SetMethod : public CppProperty<Class> {
public:
typedef PROP (Class::*GetMethod)(void) const;
typedef void (Class::*SetMethod)(PROP);
typedef CppProperty<Class> prop_class;
CppProperty_GetConstMethod_SetMethod(GetMethod getter_, SetMethod setter_, const char* doc = 0) :
prop_class(doc), getter(getter_), setter(setter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) {
return Rcpp::wrap((object->*getter)());
}
void set(Class* object, SEXP value) {
(object->*setter)(Rcpp::as< typename Rcpp::traits::remove_const_and_reference< PROP >::type >(value));
}
bool is_readonly(){ return false; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
SetMethod setter;
std::string class_name;
};
// getter though a member function, setter through a pointer function
template <typename Class, typename PROP>
class CppProperty_GetMethod_SetPointer : public CppProperty<Class> {
public:
typedef PROP (Class::*GetMethod)(void);
typedef void (*SetMethod)(Class*,PROP);
typedef CppProperty<Class> prop_class;
CppProperty_GetMethod_SetPointer(GetMethod getter_, SetMethod setter_, const char* doc = 0) :
prop_class(doc), getter(getter_), setter(setter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) {
return Rcpp::wrap((object->*getter)());
}
void set(Class* object, SEXP value) {
setter(object, Rcpp::as< typename Rcpp::traits::remove_const_and_reference< PROP >::type >(value));
}
bool is_readonly(){ return false; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
SetMethod setter;
std::string class_name;
};
template <typename Class, typename PROP>
class CppProperty_GetConstMethod_SetPointer : public CppProperty<Class> {
public:
typedef PROP (Class::*GetMethod)(void) const;
typedef void (*SetMethod)(Class*,PROP);
typedef CppProperty<Class> prop_class;
CppProperty_GetConstMethod_SetPointer(GetMethod getter_, SetMethod setter_, const char* doc = 0) :
prop_class(doc), getter(getter_), setter(setter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) {
return Rcpp::wrap((object->*getter)());
}
void set(Class* object, SEXP value) {
setter(object, Rcpp::as< typename Rcpp::traits::remove_const_and_reference< PROP >::type >(value));
}
bool is_readonly(){ return false; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
SetMethod setter;
std::string class_name;
};
// getter through pointer function, setter through member function
template <typename Class, typename PROP>
class CppProperty_GetPointer_SetMethod : public CppProperty<Class> {
public:
typedef PROP (*GetMethod)(Class*);
typedef void (Class::*SetMethod)(PROP);
typedef CppProperty<Class> prop_class;
CppProperty_GetPointer_SetMethod(GetMethod getter_, SetMethod setter_, const char* doc = 0) :
prop_class(doc), getter(getter_), setter(setter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) {
return Rcpp::wrap(getter(object));
}
void set(Class* object, SEXP value) {
(object->*setter)(Rcpp::as< typename Rcpp::traits::remove_const_and_reference< PROP >::type >(value));
}
bool is_readonly(){ return false; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
SetMethod setter;
std::string class_name;
};
// getter and setter through pointer functions
// getter through pointer function, setter through member function
template <typename Class, typename PROP>
class CppProperty_GetPointer_SetPointer : public CppProperty<Class> {
public:
typedef PROP (*GetMethod)(Class*);
typedef void (*SetMethod)(Class*,PROP);
typedef CppProperty<Class> prop_class;
CppProperty_GetPointer_SetPointer(GetMethod getter_, SetMethod setter_, const char* doc = 0) :
prop_class(doc), getter(getter_), setter(setter_), class_name(DEMANGLE(PROP)){}
SEXP get(Class* object) {
return Rcpp::wrap(getter(object));
}
void set(Class* object, SEXP value) {
setter(object, Rcpp::as< typename Rcpp::traits::remove_const_and_reference< PROP >::type >(value));
}
bool is_readonly(){ return false; }
std::string get_class(){ return class_name; }
private:
GetMethod getter;
SetMethod setter;
std::string class_name;
};
#endif
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