00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Xalan" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 1999, International 00053 * Business Machines, Inc., http://www.ibm.com. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 */ 00057 #if !defined(XALANAUTOPTR_HEADER_GUARD_1357924680) 00058 #define XALANAUTOPTR_HEADER_GUARD_1357924680 00059 00060 00061 00062 // Base include file. Must be first. 00063 #include <PlatformSupport/PlatformSupportDefinitions.hpp> 00064 00065 00066 00067 #include <cstddef> 00068 00069 00070 00071 // We're using our own auto_ptr-like class due to wide 00072 // variations amongst the varous platforms we have to 00073 // support 00074 template<class Type> 00075 class XalanAutoPtr 00076 { 00077 public: 00078 00079 XalanAutoPtr(Type* thePointer = 0) : 00080 m_pointer(thePointer) 00081 { 00082 } 00083 00084 XalanAutoPtr(const XalanAutoPtr<Type>& theSource) : 00085 m_pointer(((XalanAutoPtr<Type>&)theSource).release()) 00086 { 00087 } 00088 00089 XalanAutoPtr<Type>& 00090 operator=(XalanAutoPtr<Type>& theRHS) 00091 { 00092 if (this != &theRHS) 00093 { 00094 // This test ought not to be necessary, but 00095 // MSVC 6.0 calls delete, which checks for 0. 00096 // The problem with that is the locking is 00097 // extremely expensive. 00098 if (m_pointer != 0) 00099 { 00100 delete m_pointer; 00101 } 00102 00103 m_pointer = theRHS.release(); 00104 } 00105 00106 return *this; 00107 } 00108 00109 ~XalanAutoPtr() 00110 { 00111 // See note in operator=() about this... 00112 if (m_pointer != 0) 00113 { 00114 delete m_pointer; 00115 } 00116 } 00117 00118 Type& 00119 operator*() const 00120 { 00121 return *m_pointer; 00122 } 00123 00124 Type* 00125 operator->() const 00126 { 00127 return m_pointer; 00128 } 00129 00130 Type* 00131 get() const 00132 { 00133 return m_pointer; 00134 } 00135 00136 Type* 00137 release() 00138 { 00139 Type* const temp = m_pointer; 00140 00141 m_pointer = 0; 00142 00143 return temp; 00144 } 00145 00146 void 00147 reset(Type* thePointer = 0) 00148 { 00149 // See note in operator=() about this... 00150 if (m_pointer != 0) 00151 { 00152 delete m_pointer; 00153 } 00154 00155 m_pointer = thePointer; 00156 } 00157 00158 private: 00159 00160 Type* m_pointer; 00161 }; 00162 00163 00164 00165 // A class similar to XalanAutoPtr, but for arrays. 00166 template<class Type> 00167 class XalanArrayAutoPtr 00168 { 00169 public: 00170 00171 XalanArrayAutoPtr(Type* thePointer = 0) : 00172 m_pointer(thePointer) 00173 { 00174 } 00175 00176 XalanArrayAutoPtr(const XalanArrayAutoPtr<Type>& theSource) : 00177 m_pointer(((XalanArrayAutoPtr<Type>&)theSource).release()) 00178 { 00179 } 00180 00181 XalanArrayAutoPtr<Type>& 00182 operator=(XalanArrayAutoPtr<Type>& theRHS) 00183 { 00184 if (this != &theRHS) 00185 { 00186 // This test ought not to be necessary, but 00187 // MSVC 6.0 calls delete, which checks for 0. 00188 // The problem with that is the locking is 00189 // extremely expensive. 00190 if (m_pointer != 0) 00191 { 00192 delete [] m_pointer; 00193 } 00194 00195 m_pointer = theRHS.release(); 00196 } 00197 00198 return *this; 00199 } 00200 00201 ~XalanArrayAutoPtr() 00202 { 00203 // See note in operator=() about this... 00204 if (m_pointer != 0) 00205 { 00206 delete [] m_pointer; 00207 } 00208 } 00209 00210 Type& 00211 operator*() const 00212 { 00213 return *m_pointer; 00214 } 00215 00216 Type& 00217 operator[](unsigned long index) const 00218 { 00219 return m_pointer[index]; 00220 } 00221 00222 Type* 00223 get() const 00224 { 00225 return m_pointer; 00226 } 00227 00228 Type* 00229 release() 00230 { 00231 Type* const temp = m_pointer; 00232 00233 m_pointer = 0; 00234 00235 return temp; 00236 } 00237 00238 void 00239 reset(Type* thePointer = 0) 00240 { 00241 // See note in operator=() about this... 00242 if (m_pointer != 0) 00243 { 00244 delete [] m_pointer; 00245 } 00246 00247 m_pointer = thePointer; 00248 } 00249 00250 private: 00251 00252 Type* m_pointer; 00253 }; 00254 00255 00256 00257 #endif // if !defined(XALANAUTOPTR_HEADER_GUARD_1357924680)
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