00001 // 00002 // Buffer.h 00003 // 00004 // $Id: //poco/1.3/Foundation/include/Poco/Buffer.h#3 $ 00005 // 00006 // Library: Foundation 00007 // Package: Core 00008 // Module: Buffer 00009 // 00010 // Definition of the Buffer class. 00011 // 00012 // Copyright (c) 2006, Applied Informatics Software Engineering GmbH. 00013 // and Contributors. 00014 // 00015 // Permission is hereby granted, free of charge, to any person or organization 00016 // obtaining a copy of the software and accompanying documentation covered by 00017 // this license (the "Software") to use, reproduce, display, distribute, 00018 // execute, and transmit the Software, and to prepare derivative works of the 00019 // Software, and to permit third-parties to whom the Software is furnished to 00020 // do so, all subject to the following: 00021 // 00022 // The copyright notices in the Software and this entire statement, including 00023 // the above license grant, this restriction and the following disclaimer, 00024 // must be included in all copies of the Software, in whole or in part, and 00025 // all derivative works of the Software, unless such copies or derivative 00026 // works are solely in the form of machine-executable object code generated by 00027 // a source language processor. 00028 // 00029 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00030 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00031 // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT 00032 // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE 00033 // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, 00034 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 00035 // DEALINGS IN THE SOFTWARE. 00036 // 00037 00038 00039 #ifndef Foundation_Buffer_INCLUDED 00040 #define Foundation_Buffer_INCLUDED 00041 00042 00043 #include "Poco/Foundation.h" 00044 #include <cstddef> 00045 00046 00047 namespace Poco { 00048 00049 00050 template <class T> 00051 class Buffer 00058 { 00059 public: 00060 Buffer(std::size_t size): 00061 _size(size), 00062 _ptr(new T[size]) 00064 { 00065 } 00066 00067 ~Buffer() 00069 { 00070 delete [] _ptr; 00071 } 00072 00073 std::size_t size() const 00075 { 00076 return _size; 00077 } 00078 00079 T* begin() 00081 { 00082 return _ptr; 00083 } 00084 00085 const T* begin() const 00087 { 00088 return _ptr; 00089 } 00090 00091 T* end() 00093 { 00094 return _ptr + _size; 00095 } 00096 00097 const T* end() const 00099 { 00100 return _ptr + _size; 00101 } 00102 00103 T& operator [] (std::size_t index) 00104 { 00105 poco_assert (index < _size); 00106 00107 return _ptr[index]; 00108 } 00109 00110 const T& operator [] (std::size_t index) const 00111 { 00112 poco_assert (index < _size); 00113 00114 return _ptr[index]; 00115 } 00116 00117 private: 00118 Buffer(); 00119 Buffer(const Buffer&); 00120 Buffer& operator = (const Buffer&); 00121 00122 std::size_t _size; 00123 T* _ptr; 00124 }; 00125 00126 00127 } // namespace Poco 00128 00129 00130 #endif // Foundation_Buffer_INCLUDED