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<h2 align="center">Xalan-C++ API Documentation</h2>
<h3 align="center">The Xalan C++ XSLT Processor Version 1.10</h3>
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<hr><h1>XalanAutoPtr.hpp</h1><a href="XalanAutoPtr_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">/*</font>
00002 <font class="comment"> * Copyright 1999-2004 The Apache Software Foundation.</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</font>
00005 <font class="comment"> * you may not use this file except in compliance with the License.</font>
00006 <font class="comment"> * You may obtain a copy of the License at</font>
00007 <font class="comment"> *</font>
00008 <font class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</font>
00009 <font class="comment"> *</font>
00010 <font class="comment"> * Unless required by applicable law or agreed to in writing, software</font>
00011 <font class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</font>
00012 <font class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</font>
00013 <font class="comment"> * See the License for the specific language governing permissions and</font>
00014 <font class="comment"> * limitations under the License.</font>
00015 <font class="comment"> */</font>
00016 <font class="preprocessor">#if !defined(XALANAUTOPTR_HEADER_GUARD_1357924680)</font>
<a name="l00017"></a><a class="code" href="XalanAutoPtr_8hpp.html#a0">00017</a> <font class="preprocessor"></font><font class="preprocessor">#define XALANAUTOPTR_HEADER_GUARD_1357924680</font>
00018 <font class="preprocessor"></font>
00019 
00020 
00021 <font class="comment">// Base include file.  Must be first.</font>
00022 <font class="preprocessor">#include &lt;<a class="code" href="PlatformSupportDefinitions_8hpp.html">xalanc/PlatformSupport/PlatformSupportDefinitions.hpp</a>&gt;</font>
00023 
00024 
00025 
00026 <font class="preprocessor">#include &lt;cstddef&gt;</font>
00027 
00028 
00029 
00030 XALAN_CPP_NAMESPACE_BEGIN
00031 
00032 
00033 
00034 <font class="comment">// We're using our own auto_ptr-like class due to wide</font>
00035 <font class="comment">// variations amongst the varous platforms we have to</font>
00036 <font class="comment">// support</font>
00037 template&lt;class Type&gt;
<a name="l00038"></a><a class="code" href="classXalanAutoPtr.html">00038</a> <font class="keyword">class </font><a class="code" href="classXalanAutoPtr.html">XalanAutoPtr</a>
00039 {
00040 <font class="keyword">public</font>:
00041 
<a name="l00042"></a><a class="code" href="classXalanAutoPtr.html#a0">00042</a>     <a class="code" href="classXalanAutoPtr.html#a0">XalanAutoPtr</a>(Type*  thePointer = 0) :
00043         m_pointer(thePointer)
00044     {
00045     }
00046 
<a name="l00047"></a><a class="code" href="classXalanAutoPtr.html#a1">00047</a>     <a class="code" href="classXalanAutoPtr.html#a0">XalanAutoPtr</a>(<font class="keyword">const</font> <a class="code" href="classXalanAutoPtr.html">XalanAutoPtr&lt;Type&gt;</a>&amp;  theSource) :
00048         m_pointer(((<a class="code" href="classXalanAutoPtr.html">XalanAutoPtr</a>&lt;Type&gt;&amp;)theSource).release())
00049     {
00050     }
00051 
00052     <a class="code" href="classXalanAutoPtr.html">XalanAutoPtr&lt;Type&gt;</a>&amp;
<a name="l00053"></a><a class="code" href="classXalanAutoPtr.html#a2">00053</a>     <a class="code" href="classXalanAutoPtr.html#a2">operator=</a>(<a class="code" href="classXalanAutoPtr.html">XalanAutoPtr&lt;Type&gt;</a>&amp;   theRHS)<font class="keyword"></font>
00054 <font class="keyword">    </font>{
00055         <font class="keywordflow">if</font> (<font class="keyword">this</font> != &amp;theRHS)
00056         {
00057             <font class="comment">// This test ought not to be necessary, but</font>
00058             <font class="comment">// MSVC 6.0 calls delete, which checks for 0.</font>
00059             <font class="comment">// The problem with that is the locking is</font>
00060             <font class="comment">// extremely expensive.</font>
00061             <font class="keywordflow">if</font> (m_pointer != 0)
00062             {
00063                 <font class="keyword">delete</font> m_pointer;
00064             }
00065 
00066             m_pointer = theRHS.<a class="code" href="classXalanAutoPtr.html#a7">release</a>();
00067         }
00068 
00069         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00070     }
00071 
<a name="l00072"></a><a class="code" href="classXalanAutoPtr.html#a3">00072</a>     <a class="code" href="classXalanAutoPtr.html#a3">~XalanAutoPtr</a>()<font class="keyword"></font>
00073 <font class="keyword">    </font>{
00074         <font class="comment">// See note in operator=() about this...</font>
00075         <font class="keywordflow">if</font> (m_pointer != 0)
00076         {
00077             <font class="keyword">delete</font> m_pointer;
00078         }
00079     }
00080 
00081     Type&amp;
<a name="l00082"></a><a class="code" href="classXalanAutoPtr.html#a4">00082</a>     <a class="code" href="classXalanAutoPtr.html#a4">operator*</a>()<font class="keyword"> const</font>
00083 <font class="keyword">    </font>{
00084         <font class="keywordflow">return</font> *m_pointer;
00085     }
00086 
00087     Type*
<a name="l00088"></a><a class="code" href="classXalanAutoPtr.html#a5">00088</a>     <a class="code" href="classXalanAutoPtr.html#a5">operator-&gt;</a>()<font class="keyword"> const</font>
00089 <font class="keyword">    </font>{
00090         <font class="keywordflow">return</font> m_pointer;
00091     }
00092 
00093     Type*
<a name="l00094"></a><a class="code" href="classXalanAutoPtr.html#a6">00094</a>     <a class="code" href="classXalanAutoPtr.html#a6">get</a>()<font class="keyword"> const</font>
00095 <font class="keyword">    </font>{
00096         <font class="keywordflow">return</font> m_pointer;
00097     }
00098 
00099     Type*
<a name="l00100"></a><a class="code" href="classXalanAutoPtr.html#a7">00100</a>     <a class="code" href="classXalanAutoPtr.html#a7">release</a>()<font class="keyword"></font>
00101 <font class="keyword">    </font>{
00102         Type* <font class="keyword">const</font> temp = m_pointer;
00103 
00104         m_pointer = 0;
00105 
00106         <font class="keywordflow">return</font> temp;
00107     }
00108 
00109     <font class="keywordtype">void</font>
<a name="l00110"></a><a class="code" href="classXalanAutoPtr.html#a8">00110</a>     <a class="code" href="classXalanAutoPtr.html#a8">reset</a>(Type*     thePointer = 0)<font class="keyword"></font>
00111 <font class="keyword">    </font>{
00112         <font class="comment">// See note in operator=() about this...</font>
00113         <font class="keywordflow">if</font> (m_pointer != 0)
00114         {
00115             <font class="keyword">delete</font> m_pointer;
00116         }
00117 
00118         m_pointer = thePointer;
00119     }
00120 
00121 <font class="keyword">private</font>:
00122 
00123     Type*   m_pointer;
00124 };
00125 
00126 
00127 
00128 <font class="comment">// A class similar to XalanAutoPtr, but for arrays.</font>
00129 template&lt;class Type&gt;
<a name="l00130"></a><a class="code" href="classXalanArrayAutoPtr.html">00130</a> <font class="keyword">class </font><a class="code" href="classXalanArrayAutoPtr.html">XalanArrayAutoPtr</a>
00131 {
00132 <font class="keyword">public</font>:
00133 
<a name="l00134"></a><a class="code" href="classXalanArrayAutoPtr.html#a0">00134</a>     <a class="code" href="classXalanArrayAutoPtr.html#a0">XalanArrayAutoPtr</a>(Type*     thePointer = 0) :
00135         m_pointer(thePointer)
00136     {
00137     }
00138 
<a name="l00139"></a><a class="code" href="classXalanArrayAutoPtr.html#a1">00139</a>     <a class="code" href="classXalanArrayAutoPtr.html#a0">XalanArrayAutoPtr</a>(<font class="keyword">const</font> <a class="code" href="classXalanArrayAutoPtr.html">XalanArrayAutoPtr&lt;Type&gt;</a>&amp;    theSource) :
00140         m_pointer(((<a class="code" href="classXalanArrayAutoPtr.html">XalanArrayAutoPtr</a>&lt;Type&gt;&amp;)theSource).release())
00141     {
00142     }
00143 
00144     <a class="code" href="classXalanArrayAutoPtr.html">XalanArrayAutoPtr&lt;Type&gt;</a>&amp;
<a name="l00145"></a><a class="code" href="classXalanArrayAutoPtr.html#a2">00145</a>     <a class="code" href="classXalanArrayAutoPtr.html#a2">operator=</a>(<a class="code" href="classXalanArrayAutoPtr.html">XalanArrayAutoPtr&lt;Type&gt;</a>&amp;  theRHS)<font class="keyword"></font>
00146 <font class="keyword">    </font>{
00147         <font class="keywordflow">if</font> (<font class="keyword">this</font> != &amp;theRHS)
00148         {
00149             <font class="comment">// This test ought not to be necessary, but</font>
00150             <font class="comment">// MSVC 6.0 calls delete, which checks for 0.</font>
00151             <font class="comment">// The problem with that is the locking is</font>
00152             <font class="comment">// extremely expensive.</font>
00153             <font class="keywordflow">if</font> (m_pointer != 0)
00154             {
00155                 <font class="keyword">delete</font> [] m_pointer;
00156             }
00157 
00158             m_pointer = theRHS.<a class="code" href="classXalanArrayAutoPtr.html#a7">release</a>();
00159         }
00160 
00161         <font class="keywordflow">return</font> *<font class="keyword">this</font>;
00162     }
00163 
<a name="l00164"></a><a class="code" href="classXalanArrayAutoPtr.html#a3">00164</a>     <a class="code" href="classXalanArrayAutoPtr.html#a3">~XalanArrayAutoPtr</a>()<font class="keyword"></font>
00165 <font class="keyword">    </font>{
00166         <font class="comment">// See note in operator=() about this...</font>
00167         <font class="keywordflow">if</font> (m_pointer != 0)
00168         {
00169             <font class="keyword">delete</font> [] m_pointer;
00170         }
00171     }
00172 
00173     Type&amp;
<a name="l00174"></a><a class="code" href="classXalanArrayAutoPtr.html#a4">00174</a>     <a class="code" href="classXalanArrayAutoPtr.html#a4">operator*</a>()<font class="keyword"> const</font>
00175 <font class="keyword">    </font>{
00176         <font class="keywordflow">return</font> *m_pointer;
00177     }
00178 
00179     Type&amp;
00180 <font class="preprocessor">#if defined(XALAN_STRICT_ANSI_HEADERS)</font>
00181 <font class="preprocessor"></font>    <a class="code" href="classXalanArrayAutoPtr.html#a5">operator[]</a>(std::size_t  index) <font class="keyword">const</font>
00182 <font class="preprocessor">#else</font>
<a name="l00183"></a><a class="code" href="classXalanArrayAutoPtr.html#a5">00183</a> <font class="preprocessor"></font>    <a class="code" href="classXalanArrayAutoPtr.html#a5">operator[]</a>(size_t   index) <font class="keyword">const</font>
00184 <font class="preprocessor">#endif</font>
00185 <font class="preprocessor"></font>    {
00186         <font class="keywordflow">return</font> m_pointer[index];
00187     }
00188 
00189     Type*
<a name="l00190"></a><a class="code" href="classXalanArrayAutoPtr.html#a6">00190</a>     <a class="code" href="classXalanArrayAutoPtr.html#a6">get</a>()<font class="keyword"> const</font>
00191 <font class="keyword">    </font>{
00192         <font class="keywordflow">return</font> m_pointer;
00193     }
00194 
00195     Type*
<a name="l00196"></a><a class="code" href="classXalanArrayAutoPtr.html#a7">00196</a>     <a class="code" href="classXalanArrayAutoPtr.html#a7">release</a>()<font class="keyword"></font>
00197 <font class="keyword">    </font>{
00198         Type* <font class="keyword">const</font> temp = m_pointer;
00199 
00200         m_pointer = 0;
00201 
00202         <font class="keywordflow">return</font> temp;
00203     }
00204 
00205     <font class="keywordtype">void</font>
<a name="l00206"></a><a class="code" href="classXalanArrayAutoPtr.html#a8">00206</a>     <a class="code" href="classXalanArrayAutoPtr.html#a8">reset</a>(Type*     thePointer = 0)<font class="keyword"></font>
00207 <font class="keyword">    </font>{
00208         <font class="comment">// See note in operator=() about this...</font>
00209         <font class="keywordflow">if</font> (m_pointer != 0)
00210         {
00211             <font class="keyword">delete</font> [] m_pointer;
00212         }
00213 
00214         m_pointer = thePointer;
00215     }
00216 
00217 <font class="keyword">private</font>:
00218 
00219     Type*   m_pointer;
00220 };
00221 
00222 
00223 
00224 XALAN_CPP_NAMESPACE_END
00225 
00226 
00227 
00228 <font class="preprocessor">#endif  // if !defined(XALANAUTOPTR_HEADER_GUARD_1357924680)</font>
</font></pre></div><p align="center"><a href="diagramnotes.html">Interpreting class diagrams</a></p>
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