Rcpp Version 0.12.12
S4.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
2 //
3 // S4.h: Rcpp R/C++ interface class library -- S4 objects
4 //
5 // Copyright (C) 2010 - 2013 Dirk Eddelbuettel and Romain Francois
6 //
7 // This file is part of Rcpp.
8 //
9 // Rcpp is free software: you can redistribute it and/or modify it
10 // under the terms of the GNU General Public License as published by
11 // the Free Software Foundation, either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // Rcpp is distributed in the hope that it will be useful, but
15 // WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
21 
22 #ifndef Rcpp_S4_h
23 #define Rcpp_S4_h
24 
25 namespace Rcpp{
26 
30  RCPP_API_CLASS(S4_Impl) {
31  public:
33 
34  S4_Impl(){} ;
35 
41  S4_Impl(SEXP x) {
42  if( ! ::Rf_isS4(x) ) throw not_s4() ;
43  Storage::set__(x) ;
44  }
45 
46  S4_Impl& operator=( SEXP other ){
47  Storage::set__( other ) ;
48  return *this ;
49  }
50 
57  S4_Impl( const std::string& klass ){
58  Shield<SEXP> x( R_do_new_object(R_do_MAKE_CLASS(klass.c_str())) );
59  if (!Rf_inherits(x, klass.c_str()))
60  throw S4_creation_error( klass ) ;
61  Storage::set__(x) ;
62  }
63 
67  bool is( const std::string& clazz) const ;
68 
72  void update(SEXP x){
73  if( ! ::Rf_isS4(x) ) throw not_s4() ;
74  }
75  } ;
76 
77  typedef S4_Impl<PreserveStorage> S4 ;
78 
79 } // namespace Rcpp
80 
81 #endif
S4_Impl< PreserveStorage > S4
Definition: S4.h:75
#define RCPP_GENERATE_CTOR_ASSIGN(__CLASS__)
Definition: interface.h:21
RCPP_API_CLASS(DottedPair_Impl)
bool is(SEXP x)
Definition: is.h:53
Rcpp API.
Definition: algo.h:28
void update(SEXP)
Definition: Environment.h:400