1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*- 2 /* :tabSize=4:indentSize=4:noTabs=false:folding=explicit:collapseFolds=1: */ 3 // 4 // is_wide_string.h: Rcpp R/C++ interface class library -- traits to help wrap 5 // 6 // Copyright (C) 2013 Dirk Eddelbuettel and Romain Francois 7 // 8 // This file is part of Rcpp. 9 // 10 // Rcpp is free software: you can redistribute it and/or modify it 11 // under the terms of the GNU General Public License as published by 12 // the Free Software Foundation, either version 2 of the License, or 13 // (at your option) any later version. 14 // 15 // Rcpp is distributed in the hope that it will be useful, but 16 // WITHOUT ANY WARRANTY; without even the implied warranty of 17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 // GNU General Public License for more details. 19 // 20 // You should have received a copy of the GNU General Public License 21 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>. 22 23 #ifndef Rcpp__traits__is_wide_string__h 24 #define Rcpp__traits__is_wide_string__h 25 26 namespace Rcpp{ 27 namespace traits{ 28 29 template <typename T> 30 struct is_wide_string : public same_type< typename T::value_type, wchar_t > {} ; 31 32 template <> struct is_wide_string< const wchar_t* > : public true_type{} ; 33 template <> struct is_wide_string< const char* > : public false_type{} ; 34 35 template <> struct is_wide_string< wchar_t > : public true_type{} ; 36 template <> struct is_wide_string< char > : public false_type{} ; 37 38 } // traits 39 } // Rcpp 40 41 #endif 42