1 /** 2 * @copyright 3 * ==================================================================== 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 * ==================================================================== 21 * @endcopyright 22 */ 23 24 #ifndef SVN_JAVAHL_CXX_COMPAT_HPP 25 #define SVN_JAVAHL_CXX_COMPAT_HPP 26 27 #include <memory> 28 29 namespace JavaHL { 30 namespace cxx { 31 32 #if defined(__cplusplus) && __cplusplus >= 201103L 33 /* 34 * C++11 and later 35 */ 36 37 // Use std::unique_ptr for exclusive ownership. 38 template< 39 typename T, 40 typename D = ::std::default_delete<T> 41 > 42 using owned_ptr = ::std::unique_ptr<T, D>; 43 44 // Use std::move for transfering ownership of owned pointers. 45 using ::std::move; 46 47 #else 48 /* 49 * C++03 and earlier 50 */ 51 52 // Use a dumbed-down std::auto_ptr for exclusive ownership. 53 template<class T> 54 class owned_ptr : public ::std::auto_ptr<T> 55 { 56 typedef ::std::auto_ptr<T> auto_ptr; 57 typedef ::std::auto_ptr_ref<T> auto_ptr_ref; 58 59 public: 60 explicit owned_ptr(T *p = 0) throw() 61 : auto_ptr(p) 62 {} 63 64 owned_ptr(owned_ptr& r) throw() 65 : auto_ptr(r) 66 {} 67 68 owned_ptr(auto_ptr_ref r) throw() 69 : auto_ptr(r) 70 {} 71 72 owned_ptr& operator=(owned_ptr& r) throw() 73 { 74 static_cast<auto_ptr&>(*this) = r; 75 return *this; 76 } 77 78 owned_ptr& operator=(auto_ptr_ref r) throw() 79 { 80 static_cast<auto_ptr&>(*this) = r; 81 return *this; 82 } 83 }; 84 85 // Fake std::move since there are no rvalue references. 86 template<class T> 87 T& move(T& t) 88 { 89 return t; 90 } 91 92 #endif 93 94 } // namespace cxx 95 } // namespace JavaHL 96 97 #endif // SVN_JAVAHL_CXX_COMPAT_HPP 98