Array_ptr.hGo to the documentation of this file.00001 /* 00002 * Copyright (c) 2000-2003 Barak Weichselbaum <barak@komodia.com> 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 00014 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 00015 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00016 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00017 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00018 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00019 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00020 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00021 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00022 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00023 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00024 * SUCH DAMAGE. 00025 * 00026 * Contact info: 00027 * ------------- 00028 * 00029 * Site: http://www.komodia.com 00030 * Main contact: barak@komodia.com 00031 * For custom projects, 00032 * consulting, or other 00033 * paid services: sales@komodia.com 00034 */ 00035 00036 #ifndef _Array_ptr_H_ 00037 #define _Array_ptr_H_ 00038 00039 #include "KomodiaSettings.h" 00040 00041 KOMODIA_NAMESPACE_START 00042 00043 template<class PointerType> 00044 class CArray_ptr 00045 { 00046 public: 00047 //operators 00048 PointerType& operator*() 00049 { 00050 return *Get(); 00051 } 00052 00053 PointerType* operator->()const 00054 { 00055 return Get(); 00056 } 00057 00058 PointerType* Get()const 00059 { 00060 return m_pData; 00061 } 00062 00063 PointerType* Release()const 00064 { 00065 //We are not the owners 00066 m_bOwners=FALSE; 00067 00068 //Done with it 00069 return Get(); 00070 } 00071 00072 //Reset the current data 00073 void Reset() 00074 { 00075 //Release the data we have 00076 if (m_bOwners) 00077 delete [] m_pData; 00078 00079 //We don't have it anymore 00080 m_pData=NULL; 00081 } 00082 00083 //Assignment operator 00084 CArray_ptr<PointerType> operator=(const PointerType* pData) 00085 { 00086 //Reset the data 00087 Reset(); 00088 00089 //Take the new one 00090 m_pData=pData; 00091 00092 //We are the owners 00093 m_bOwners=TRUE; 00094 00095 //Release the ownership of the source PTR 00096 pData->ReleaseOwnership(); 00097 00098 //Done 00099 return *this; 00100 } 00101 00102 //ctor and dtor 00103 CArray_ptr(PointerType* pData) : m_pData(pData), 00104 m_bOwners(TRUE) 00105 { 00106 } 00107 00108 virtual ~CArray_ptr() 00109 { 00110 Reset(); 00111 } 00112 private: 00113 //Release ownership 00114 void ReleaseOwnership()const 00115 { 00116 m_bOwners=FALSE; 00117 } 00118 00119 //Our data 00120 PointerType* m_pData; 00121 00122 //Are we the owners 00123 mutable BOOL m_bOwners; 00124 }; 00125 00126 KOMODIA_NAMESPACE_END 00127 00128 #endif |