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| <h2 align="center">Xalan-C++ API Documentation</h2> |
| <h3 align="center"><a href="../index.html">The Xalan C++ XSLT Processor Version 1.11</a></h3> |
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| <h1>ReusableArenaBlock.hpp</h1> </div> |
| </div> |
| <div class="contents"> |
| <a href="ReusableArenaBlock_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
| <a name="l00002"></a>00002 <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <a name="l00003"></a>00003 <span class="comment"> * or more contributor license agreements. See the NOTICE file</span> |
| <a name="l00004"></a>00004 <span class="comment"> * distributed with this work for additional information</span> |
| <a name="l00005"></a>00005 <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span> |
| <a name="l00006"></a>00006 <span class="comment"> * to you under the Apache License, Version 2.0 (the "License");</span> |
| <a name="l00007"></a>00007 <span class="comment"> * you may not use this file except in compliance with the License.</span> |
| <a name="l00008"></a>00008 <span class="comment"> * You may obtain a copy of the License at</span> |
| <a name="l00009"></a>00009 <span class="comment"> *</span> |
| <a name="l00010"></a>00010 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <a name="l00011"></a>00011 <span class="comment"> *</span> |
| <a name="l00012"></a>00012 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span> |
| <a name="l00013"></a>00013 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <a name="l00014"></a>00014 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <a name="l00015"></a>00015 <span class="comment"> * See the License for the specific language governing permissions and</span> |
| <a name="l00016"></a>00016 <span class="comment"> * limitations under the License.</span> |
| <a name="l00017"></a>00017 <span class="comment"> */</span> |
| <a name="l00018"></a>00018 |
| <a name="l00019"></a>00019 <span class="preprocessor">#if !defined(REUSABLEARENABLOCK_INCLUDE_GUARD_1357924680)</span> |
| <a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define REUSABLEARENABLOCK_INCLUDE_GUARD_1357924680</span> |
| <a name="l00021"></a>00021 <span class="preprocessor"></span> |
| <a name="l00022"></a>00022 |
| <a name="l00023"></a>00023 <span class="preprocessor">#include <<a class="code" href="ArenaBlockBase_8hpp.html">xalanc/PlatformSupport/ArenaBlockBase.hpp</a>></span> |
| <a name="l00024"></a>00024 |
| <a name="l00025"></a>00025 |
| <a name="l00026"></a>00026 |
| <a name="l00027"></a>00027 <span class="preprocessor">#include <<a class="code" href="XalanMemMgrAutoPtr_8hpp.html">xalanc/Include/XalanMemMgrAutoPtr.hpp</a>></span> |
| <a name="l00028"></a>00028 |
| <a name="l00029"></a>00029 |
| <a name="l00030"></a>00030 |
| <a name="l00031"></a>00031 XALAN_CPP_NAMESPACE_BEGIN |
| <a name="l00032"></a>00032 |
| <a name="l00033"></a>00033 |
| <a name="l00034"></a>00034 |
| <a name="l00035"></a>00035 <span class="keyword">template</span> <<span class="keyword">class </span>ObjectType, |
| <a name="l00036"></a>00036 <span class="preprocessor">#if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS)</span> |
| <a name="l00037"></a>00037 <span class="preprocessor"></span> <span class="keyword">class </span>SizeType> |
| <a name="l00038"></a>00038 <span class="preprocessor">#else</span> |
| <a name="l00039"></a>00039 <span class="preprocessor"></span> <span class="keyword">class </span>SizeType = <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>> |
| <a name="l00040"></a>00040 <span class="preprocessor">#endif</span> |
| <a name="l00041"></a><a class="code" href="classReusableArenaBlock.html">00041</a> <span class="preprocessor"></span><span class="keyword">class </span><a class="code" href="classReusableArenaBlock.html">ReusableArenaBlock</a> : <span class="keyword">public</span> <a class="code" href="classArenaBlockBase.html">ArenaBlockBase</a><ObjectType, SizeType> |
| <a name="l00042"></a>00042 { |
| <a name="l00043"></a>00043 |
| <a name="l00044"></a>00044 <span class="keyword">public</span>: |
| <a name="l00045"></a>00045 |
| <a name="l00046"></a><a class="code" href="classReusableArenaBlock.html#ab9e1d36b72947969bbe1059926fe175b">00046</a> <span class="keyword">typedef</span> <a class="code" href="classArenaBlockBase.html">ArenaBlockBase<ObjectType, SizeType></a> <a class="code" href="classArenaBlockBase.html">BaseClassType</a>; |
| <a name="l00047"></a>00047 |
| <a name="l00048"></a><a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">00048</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">BaseClassType::size_type</a> size_type; |
| <a name="l00049"></a>00049 |
| <a name="l00050"></a><a class="code" href="classReusableArenaBlock.html#a4d7404eb79c49d8a6265f3a9c3c59497">00050</a> <span class="keyword">typedef</span> <a class="code" href="classReusableArenaBlock.html">ReusableArenaBlock<ObjectType, SizeType></a> <a class="code" href="classArenaBlockBase.html">ThisType</a>; |
| <a name="l00051"></a>00051 |
| <a name="l00052"></a><a class="code" href="structReusableArenaBlock_1_1NextBlock.html">00052</a> <span class="keyword">struct </span><a class="code" href="structReusableArenaBlock_1_1NextBlock.html">NextBlock</a> |
| <a name="l00053"></a>00053 { |
| <a name="l00054"></a><a class="code" href="structReusableArenaBlock_1_1NextBlock.html#ae75d23b5ccb44c2c106ee27d3057b912aa6d1f4eb6c60fe0e907134cc593925b4">00054</a> <span class="keyword">enum</span> { <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#ae75d23b5ccb44c2c106ee27d3057b912aa6d1f4eb6c60fe0e907134cc593925b4">VALID_OBJECT_STAMP</a> = 0xffddffdd }; |
| <a name="l00055"></a>00055 |
| <a name="l00056"></a><a class="code" href="structReusableArenaBlock_1_1NextBlock.html#aa26207b857a0898b1e6bfb93aa1c58ba">00056</a> <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#aa26207b857a0898b1e6bfb93aa1c58ba">next</a>; |
| <a name="l00057"></a><a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a3f8aed69fe277e73d1a060cb57edd75a">00057</a> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a3f8aed69fe277e73d1a060cb57edd75a">verificationStamp</a>; |
| <a name="l00058"></a>00058 |
| <a name="l00059"></a><a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a70903b05f938c3b1da17b4e31c721932">00059</a> <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a70903b05f938c3b1da17b4e31c721932">NextBlock</a>( <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> _next): |
| <a name="l00060"></a>00060 <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#aa26207b857a0898b1e6bfb93aa1c58ba">next</a>(_next), |
| <a name="l00061"></a>00061 <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a3f8aed69fe277e73d1a060cb57edd75a">verificationStamp</a>(<a class="code" href="structReusableArenaBlock_1_1NextBlock.html#ae75d23b5ccb44c2c106ee27d3057b912aa6d1f4eb6c60fe0e907134cc593925b4">VALID_OBJECT_STAMP</a>) |
| <a name="l00062"></a>00062 { |
| <a name="l00063"></a>00063 } |
| <a name="l00064"></a>00064 |
| <a name="l00065"></a>00065 <span class="keywordtype">bool</span> |
| <a name="l00066"></a><a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a66c628623e8537ab2ec48dba1f2e3fac">00066</a> <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a66c628623e8537ab2ec48dba1f2e3fac">isValidFor</a>( <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> rightBorder )<span class="keyword"> const</span> |
| <a name="l00067"></a>00067 <span class="keyword"> </span>{ |
| <a name="l00068"></a>00068 <span class="keywordflow">return</span> ( ( <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#a3f8aed69fe277e73d1a060cb57edd75a">verificationStamp</a> == <span class="keywordtype">int</span>(<a class="code" href="structReusableArenaBlock_1_1NextBlock.html#ae75d23b5ccb44c2c106ee27d3057b912aa6d1f4eb6c60fe0e907134cc593925b4">VALID_OBJECT_STAMP</a>)) && |
| <a name="l00069"></a>00069 ( <a class="code" href="structReusableArenaBlock_1_1NextBlock.html#aa26207b857a0898b1e6bfb93aa1c58ba">next</a> <= rightBorder ) ) ? <span class="keyword">true</span> : false ; |
| <a name="l00070"></a>00070 } |
| <a name="l00071"></a>00071 }; |
| <a name="l00072"></a>00072 |
| <a name="l00073"></a>00073 <span class="comment">/*</span> |
| <a name="l00074"></a>00074 <span class="comment"> * Construct an ArenaBlock of the specified size</span> |
| <a name="l00075"></a>00075 <span class="comment"> * of objects.</span> |
| <a name="l00076"></a>00076 <span class="comment"> *</span> |
| <a name="l00077"></a>00077 <span class="comment"> * @param theBlockSize The size of the block (the</span> |
| <a name="l00078"></a>00078 <span class="comment"> * number of objects it can contain).</span> |
| <a name="l00079"></a>00079 <span class="comment"> */</span> |
| <a name="l00080"></a><a class="code" href="classReusableArenaBlock.html#a5033b193ed875f9a701c5a342da84831">00080</a> <a class="code" href="classReusableArenaBlock.html#a5033b193ed875f9a701c5a342da84831">ReusableArenaBlock</a>( |
| <a name="l00081"></a>00081 MemoryManager& theManager, |
| <a name="l00082"></a>00082 <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> theBlockSize) : |
| <a name="l00083"></a>00083 <a class="code" href="classArenaBlockBase.html">BaseClassType</a>(theManager, theBlockSize), |
| <a name="l00084"></a>00084 m_firstFreeBlock(0), |
| <a name="l00085"></a>00085 m_nextFreeBlock(0) |
| <a name="l00086"></a>00086 |
| <a name="l00087"></a>00087 { |
| <a name="l00088"></a>00088 XALAN_STATIC_ASSERT(<span class="keyword">sizeof</span>(ObjectType) >= <span class="keyword">sizeof</span>(NextBlock)); |
| <a name="l00089"></a>00089 |
| <a name="l00090"></a>00090 <span class="keywordflow">for</span>( <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> i = 0; i < this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a>; ++i ) |
| <a name="l00091"></a>00091 { |
| <a name="l00092"></a>00092 <span class="keyword">new</span> (&this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a>[i]) NextBlock(<a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a>(i + 1)); |
| <a name="l00093"></a>00093 } |
| <a name="l00094"></a>00094 } |
| <a name="l00095"></a>00095 |
| <a name="l00096"></a><a class="code" href="classReusableArenaBlock.html#a729c862741b24a46cbff6c3256623ded">00096</a> <a class="code" href="classReusableArenaBlock.html#a729c862741b24a46cbff6c3256623ded">~ReusableArenaBlock</a>() |
| <a name="l00097"></a>00097 { |
| <a name="l00098"></a>00098 <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> removedObjects = 0; |
| <a name="l00099"></a>00099 |
| <a name="l00100"></a>00100 <span class="keywordflow">for</span> (<a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> i = 0; |
| <a name="l00101"></a>00101 i < this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a> && |
| <a name="l00102"></a>00102 removedObjects < this-><a class="code" href="classArenaBlockBase.html#a90a2645b46ee0030cfa8864870ac6613">m_objectCount</a>; |
| <a name="l00103"></a>00103 ++i) |
| <a name="l00104"></a>00104 { |
| <a name="l00105"></a>00105 <span class="keywordflow">if</span> ( <a class="code" href="classReusableArenaBlock.html#a252d7fd67f7c0af725d5b6268dab34d1">isOccupiedBlock</a>(&this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a>[i]) ) |
| <a name="l00106"></a>00106 { |
| <a name="l00107"></a>00107 this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a>[i].~ObjectType(); |
| <a name="l00108"></a>00108 |
| <a name="l00109"></a>00109 ++removedObjects; |
| <a name="l00110"></a>00110 } |
| <a name="l00111"></a>00111 } |
| <a name="l00112"></a>00112 } |
| <a name="l00113"></a>00113 |
| <a name="l00114"></a>00114 <span class="keyword">static</span> <a class="code" href="classReusableArenaBlock.html#a4d7404eb79c49d8a6265f3a9c3c59497">ThisType</a>* |
| <a name="l00115"></a><a class="code" href="classReusableArenaBlock.html#af38f95dbce811fbeedd8b85ea157cb48">00115</a> <a class="code" href="classReusableArenaBlock.html#af38f95dbce811fbeedd8b85ea157cb48">create</a>( |
| <a name="l00116"></a>00116 MemoryManager& theManager, |
| <a name="l00117"></a>00117 <a class="code" href="classArenaBlockBase.html#ab169c115e200754ddb8aecf983b9180f">size_type</a> theBlockSize) |
| <a name="l00118"></a>00118 { |
| <a name="l00119"></a>00119 <a class="code" href="classArenaBlockBase.html">ThisType</a>* theInstance; |
| <a name="l00120"></a>00120 |
| <a name="l00121"></a>00121 <span class="keywordflow">return</span> <a class="code" href="XalanMemoryManagement_8hpp.html#a0227ffda90ae8912d4b468f63740d5a9">XalanConstruct</a>( |
| <a name="l00122"></a>00122 theManager, |
| <a name="l00123"></a>00123 theInstance, |
| <a name="l00124"></a>00124 theManager, |
| <a name="l00125"></a>00125 theBlockSize); |
| <a name="l00126"></a>00126 } |
| <a name="l00127"></a>00127 |
| <a name="l00128"></a>00128 <span class="comment">/*</span> |
| <a name="l00129"></a>00129 <span class="comment"> * Allocate a block. Once the object is constructed, you must call</span> |
| <a name="l00130"></a>00130 <span class="comment"> * commitAllocation().</span> |
| <a name="l00131"></a>00131 <span class="comment"> *</span> |
| <a name="l00132"></a>00132 <span class="comment"> * @return a pointer to the new block.</span> |
| <a name="l00133"></a>00133 <span class="comment"> */</span> |
| <a name="l00134"></a>00134 ObjectType* |
| <a name="l00135"></a><a class="code" href="classReusableArenaBlock.html#a56dc6c9703eeee871c50907e1a8fc1d4">00135</a> <a class="code" href="classReusableArenaBlock.html#a56dc6c9703eeee871c50907e1a8fc1d4">allocateBlock</a>() |
| <a name="l00136"></a>00136 { |
| <a name="l00137"></a>00137 <span class="keywordflow">if</span> ( this-><a class="code" href="classArenaBlockBase.html#a90a2645b46ee0030cfa8864870ac6613">m_objectCount</a> == this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a> ) |
| <a name="l00138"></a>00138 { |
| <a name="l00139"></a>00139 assert ( this->m_firstFreeBlock == (this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a> + 1) ); |
| <a name="l00140"></a>00140 |
| <a name="l00141"></a>00141 <span class="keywordflow">return</span> 0; |
| <a name="l00142"></a>00142 } |
| <a name="l00143"></a>00143 <span class="keywordflow">else</span> |
| <a name="l00144"></a>00144 { |
| <a name="l00145"></a>00145 assert( this->m_objectCount < this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a> ); |
| <a name="l00146"></a>00146 |
| <a name="l00147"></a>00147 ObjectType* <a class="code" href="XalanDOMString_8hpp.html#ad0987a2085caff760532b7f16b5c6f2e">theResult</a> = 0; |
| <a name="l00148"></a>00148 |
| <a name="l00149"></a>00149 assert ( this->m_firstFreeBlock <= this->m_blockSize ); |
| <a name="l00150"></a>00150 assert ( this->m_nextFreeBlock <= this->m_blockSize ); |
| <a name="l00151"></a>00151 |
| <a name="l00152"></a>00152 <span class="comment">// check if any part was allocated but not commited</span> |
| <a name="l00153"></a>00153 <span class="keywordflow">if</span>(this->m_firstFreeBlock != this->m_nextFreeBlock) |
| <a name="l00154"></a>00154 { |
| <a name="l00155"></a>00155 <span class="comment">// return the previously allocated block and wait for a commit</span> |
| <a name="l00156"></a>00156 theResult = this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a> + this->m_firstFreeBlock; |
| <a name="l00157"></a>00157 } |
| <a name="l00158"></a>00158 <span class="keywordflow">else</span> |
| <a name="l00159"></a>00159 { |
| <a name="l00160"></a>00160 theResult = this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a> + this->m_firstFreeBlock; |
| <a name="l00161"></a>00161 |
| <a name="l00162"></a>00162 assert(<a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a>(theResult - this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a>) < this->m_blockSize); |
| <a name="l00163"></a>00163 |
| <a name="l00164"></a>00164 NextBlock* <span class="keyword">const</span> theBlock = |
| <a name="l00165"></a>00165 <span class="keyword">reinterpret_cast<</span>NextBlock*<span class="keyword">></span>(theResult); |
| <a name="l00166"></a>00166 |
| <a name="l00167"></a>00167 this->m_nextFreeBlock = theBlock->next; |
| <a name="l00168"></a>00168 |
| <a name="l00169"></a>00169 assert(theBlock->isValidFor(this->m_blockSize)); |
| <a name="l00170"></a>00170 assert(this->m_nextFreeBlock <= this->m_blockSize); |
| <a name="l00171"></a>00171 |
| <a name="l00172"></a>00172 ++this-><a class="code" href="classArenaBlockBase.html#a90a2645b46ee0030cfa8864870ac6613">m_objectCount</a>; |
| <a name="l00173"></a>00173 } |
| <a name="l00174"></a>00174 |
| <a name="l00175"></a>00175 <span class="keywordflow">return</span> theResult; |
| <a name="l00176"></a>00176 } |
| <a name="l00177"></a>00177 } |
| <a name="l00178"></a>00178 |
| <a name="l00179"></a>00179 <span class="comment">/*</span> |
| <a name="l00180"></a>00180 <span class="comment"> * Commit the previous allocation.</span> |
| <a name="l00181"></a>00181 <span class="comment"> *</span> |
| <a name="l00182"></a>00182 <span class="comment"> * @param theBlock the address that was returned by allocateBlock()</span> |
| <a name="l00183"></a>00183 <span class="comment"> */</span> |
| <a name="l00184"></a>00184 <span class="keywordtype">void</span> |
| <a name="l00185"></a><a class="code" href="classReusableArenaBlock.html#ab646cd98ab64e19fb2ff5e6450321166">00185</a> <a class="code" href="classReusableArenaBlock.html#ab646cd98ab64e19fb2ff5e6450321166">commitAllocation</a>(ObjectType* <span class="comment">/* theBlock */</span>) |
| <a name="l00186"></a>00186 { |
| <a name="l00187"></a>00187 assert ( this->m_objectCount <= this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a> ); |
| <a name="l00188"></a>00188 |
| <a name="l00189"></a>00189 this->m_firstFreeBlock = this->m_nextFreeBlock; |
| <a name="l00190"></a>00190 } |
| <a name="l00191"></a>00191 |
| <a name="l00192"></a>00192 <span class="comment">/*</span> |
| <a name="l00193"></a>00193 <span class="comment"> * Destroy the object, and return the block to the free list.</span> |
| <a name="l00194"></a>00194 <span class="comment"> * The behavior is undefined if the object pointed to is not</span> |
| <a name="l00195"></a>00195 <span class="comment"> * owned by the block.</span> |
| <a name="l00196"></a>00196 <span class="comment"> *</span> |
| <a name="l00197"></a>00197 <span class="comment"> * @param theObject the address of the object.</span> |
| <a name="l00198"></a>00198 <span class="comment"> */</span> |
| <a name="l00199"></a>00199 <span class="keywordtype">void</span> |
| <a name="l00200"></a><a class="code" href="classReusableArenaBlock.html#ac62f122a125a8ab99d0b7b50c9fdbc17">00200</a> <a class="code" href="classReusableArenaBlock.html#ac62f122a125a8ab99d0b7b50c9fdbc17">destroyObject</a>(ObjectType* theObject) |
| <a name="l00201"></a>00201 { |
| <a name="l00202"></a>00202 assert(theObject != 0); |
| <a name="l00203"></a>00203 |
| <a name="l00204"></a>00204 <span class="comment">// check if any uncommited block is there, add it to the list</span> |
| <a name="l00205"></a>00205 <span class="keywordflow">if</span> ( this->m_firstFreeBlock != this->m_nextFreeBlock ) |
| <a name="l00206"></a>00206 { |
| <a name="l00207"></a>00207 <span class="comment">// Return it to the pool of free blocks</span> |
| <a name="l00208"></a>00208 <span class="keywordtype">void</span>* <span class="keyword">const</span> p = this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a> + this->m_firstFreeBlock; |
| <a name="l00209"></a>00209 |
| <a name="l00210"></a>00210 <span class="keyword">new</span> (p) NextBlock(this->m_nextFreeBlock); |
| <a name="l00211"></a>00211 |
| <a name="l00212"></a>00212 this->m_nextFreeBlock = this->m_firstFreeBlock; |
| <a name="l00213"></a>00213 } |
| <a name="l00214"></a>00214 |
| <a name="l00215"></a>00215 assert(<a class="code" href="classReusableArenaBlock.html#a5f36cb971feb53615c6fe09863d24dd9">ownsObject</a>(theObject) == <span class="keyword">true</span>); |
| <a name="l00216"></a>00216 assert(<a class="code" href="classReusableArenaBlock.html#a84459a6e737e9f54bbcb4160f56fac74">shouldDestroyBlock</a>(theObject)); |
| <a name="l00217"></a>00217 |
| <a name="l00218"></a>00218 <a class="code" href="XalanMemoryManagement_8hpp.html#abca431c9c1c0460a6b74d241a509147b">XalanDestroy</a>(*theObject); |
| <a name="l00219"></a>00219 |
| <a name="l00220"></a>00220 <span class="keyword">new</span> (theObject) NextBlock(this->m_firstFreeBlock); |
| <a name="l00221"></a>00221 |
| <a name="l00222"></a>00222 m_firstFreeBlock = |
| <a name="l00223"></a>00223 this->m_nextFreeBlock = |
| <a name="l00224"></a>00224 <a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a>(theObject - this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a>); |
| <a name="l00225"></a>00225 |
| <a name="l00226"></a>00226 assert (this->m_firstFreeBlock <= this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a>); |
| <a name="l00227"></a>00227 |
| <a name="l00228"></a>00228 --this-><a class="code" href="classArenaBlockBase.html#a90a2645b46ee0030cfa8864870ac6613">m_objectCount</a>; |
| <a name="l00229"></a>00229 } |
| <a name="l00230"></a>00230 |
| <a name="l00231"></a>00231 <span class="comment">/*</span> |
| <a name="l00232"></a>00232 <span class="comment"> * Determine if this block owns the specified object. Note</span> |
| <a name="l00233"></a>00233 <span class="comment"> * that even if the object address is within our block, this</span> |
| <a name="l00234"></a>00234 <span class="comment"> * call will return false if no object currently occupies the</span> |
| <a name="l00235"></a>00235 <span class="comment"> * block. See also ownsBlock().</span> |
| <a name="l00236"></a>00236 <span class="comment"> *</span> |
| <a name="l00237"></a>00237 <span class="comment"> * @param theObject the address of the object.</span> |
| <a name="l00238"></a>00238 <span class="comment"> * @return true if we own the object, false if not.</span> |
| <a name="l00239"></a>00239 <span class="comment"> */</span> |
| <a name="l00240"></a>00240 <span class="keywordtype">bool</span> |
| <a name="l00241"></a><a class="code" href="classReusableArenaBlock.html#a5f36cb971feb53615c6fe09863d24dd9">00241</a> <a class="code" href="classReusableArenaBlock.html#a5f36cb971feb53615c6fe09863d24dd9">ownsObject</a>(<span class="keyword">const</span> ObjectType* theObject)<span class="keyword"> const</span> |
| <a name="l00242"></a>00242 <span class="keyword"> </span>{ |
| <a name="l00243"></a>00243 assert ( theObject != 0 ); |
| <a name="l00244"></a>00244 |
| <a name="l00245"></a>00245 <span class="keywordflow">return</span> <a class="code" href="classReusableArenaBlock.html#a252d7fd67f7c0af725d5b6268dab34d1">isOccupiedBlock</a>(theObject); |
| <a name="l00246"></a>00246 } |
| <a name="l00247"></a>00247 |
| <a name="l00248"></a>00248 <span class="keyword">protected</span>: |
| <a name="l00249"></a>00249 |
| <a name="l00250"></a>00250 <span class="comment">/*</span> |
| <a name="l00251"></a>00251 <span class="comment"> * Determine if the block should be destroyed. Returns true,</span> |
| <a name="l00252"></a>00252 <span class="comment"> * unless the object is on the free list. The behavior is</span> |
| <a name="l00253"></a>00253 <span class="comment"> * undefined if the object pointed to is not owned by the</span> |
| <a name="l00254"></a>00254 <span class="comment"> * block.</span> |
| <a name="l00255"></a>00255 <span class="comment"> *</span> |
| <a name="l00256"></a>00256 <span class="comment"> * @param theObject the address of the object</span> |
| <a name="l00257"></a>00257 <span class="comment"> * @return true if block should be destroyed, false if not.</span> |
| <a name="l00258"></a>00258 <span class="comment"> */</span> |
| <a name="l00259"></a>00259 <span class="keywordtype">bool</span> |
| <a name="l00260"></a><a class="code" href="classReusableArenaBlock.html#a84459a6e737e9f54bbcb4160f56fac74">00260</a> <a class="code" href="classReusableArenaBlock.html#a84459a6e737e9f54bbcb4160f56fac74">shouldDestroyBlock</a>(<span class="keyword">const</span> ObjectType* theObject)<span class="keyword"> const</span> |
| <a name="l00261"></a>00261 <span class="keyword"> </span>{ |
| <a name="l00262"></a>00262 assert(<a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a>(theObject - this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a>) < this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a>); |
| <a name="l00263"></a>00263 |
| <a name="l00264"></a>00264 <span class="keywordflow">return</span> !isOnFreeList(theObject); |
| <a name="l00265"></a>00265 } |
| <a name="l00266"></a>00266 |
| <a name="l00267"></a>00267 <span class="keywordtype">bool</span> |
| <a name="l00268"></a><a class="code" href="classReusableArenaBlock.html#a252d7fd67f7c0af725d5b6268dab34d1">00268</a> <a class="code" href="classReusableArenaBlock.html#a252d7fd67f7c0af725d5b6268dab34d1">isOccupiedBlock</a>(<span class="keyword">const</span> ObjectType* block)<span class="keyword"> const</span> |
| <a name="l00269"></a>00269 <span class="keyword"> </span>{ |
| <a name="l00270"></a>00270 assert( block !=0 ); |
| <a name="l00271"></a>00271 |
| <a name="l00272"></a>00272 <span class="keywordflow">return</span> !(this-><a class="code" href="classArenaBlockBase.html#a013fcac612cbbf2ff1aeb54d74aa4810">ownsBlock</a>(block) && |
| <a name="l00273"></a>00273 <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>NextBlock*<span class="keyword">></span>(block)->isValidFor(this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a>)); |
| <a name="l00274"></a>00274 } |
| <a name="l00275"></a>00275 |
| <a name="l00276"></a>00276 <span class="keyword">private</span>: |
| <a name="l00277"></a>00277 |
| <a name="l00278"></a>00278 <span class="comment">// Not implemented...</span> |
| <a name="l00279"></a>00279 <a class="code" href="classReusableArenaBlock.html#a5033b193ed875f9a701c5a342da84831">ReusableArenaBlock</a>(<span class="keyword">const</span> <a class="code" href="classReusableArenaBlock.html">ReusableArenaBlock<ObjectType, SizeType></a>&); |
| <a name="l00280"></a>00280 |
| <a name="l00281"></a>00281 <a class="code" href="classReusableArenaBlock.html">ReusableArenaBlock<ObjectType, SizeType></a>& |
| <a name="l00282"></a>00282 operator=(<span class="keyword">const</span> <a class="code" href="classReusableArenaBlock.html">ReusableArenaBlock<ObjectType, SizeType></a>&); |
| <a name="l00283"></a>00283 |
| <a name="l00284"></a>00284 <span class="keywordtype">bool</span> |
| <a name="l00285"></a>00285 operator==(<span class="keyword">const</span> <a class="code" href="classReusableArenaBlock.html">ReusableArenaBlock<ObjectType, SizeType></a>&) <span class="keyword">const</span>; |
| <a name="l00286"></a>00286 |
| <a name="l00287"></a>00287 |
| <a name="l00288"></a>00288 <span class="comment">/*</span> |
| <a name="l00289"></a>00289 <span class="comment"> * Determine if the block is on the free list. The behavior is</span> |
| <a name="l00290"></a>00290 <span class="comment"> * undefined if the object pointed to is not owned by the</span> |
| <a name="l00291"></a>00291 <span class="comment"> * block.</span> |
| <a name="l00292"></a>00292 <span class="comment"> *</span> |
| <a name="l00293"></a>00293 <span class="comment"> * @param theObject the address of the object</span> |
| <a name="l00294"></a>00294 <span class="comment"> * @return true if block is on the free list, false if not.</span> |
| <a name="l00295"></a>00295 <span class="comment"> */</span> |
| <a name="l00296"></a>00296 <span class="keywordtype">bool</span> |
| <a name="l00297"></a>00297 isOnFreeList(<span class="keyword">const</span> ObjectType* theObject)<span class="keyword"> const</span> |
| <a name="l00298"></a>00298 <span class="keyword"> </span>{ |
| <a name="l00299"></a>00299 <span class="keywordflow">if</span> ( this-><a class="code" href="classArenaBlockBase.html#a90a2645b46ee0030cfa8864870ac6613">m_objectCount</a> == 0 ) |
| <a name="l00300"></a>00300 { |
| <a name="l00301"></a>00301 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
| <a name="l00302"></a>00302 } |
| <a name="l00303"></a>00303 <span class="keywordflow">else</span> |
| <a name="l00304"></a>00304 { |
| <a name="l00305"></a>00305 ObjectType* pRunPtr = this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a> + this->m_firstFreeBlock; |
| <a name="l00306"></a>00306 |
| <a name="l00307"></a>00307 <span class="keywordflow">for</span> (<a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a> i = 0; |
| <a name="l00308"></a>00308 i < this-><a class="code" href="classArenaBlockBase.html#aeb0c6d926123e7c2fa331c39c22292fa">m_blockSize</a> - this-><a class="code" href="classArenaBlockBase.html#a90a2645b46ee0030cfa8864870ac6613">m_objectCount</a>; |
| <a name="l00309"></a>00309 ++i) |
| <a name="l00310"></a>00310 { |
| <a name="l00311"></a>00311 assert(this-><a class="code" href="classArenaBlockBase.html#a013fcac612cbbf2ff1aeb54d74aa4810">ownsBlock</a>(pRunPtr)); |
| <a name="l00312"></a>00312 |
| <a name="l00313"></a>00313 <span class="keywordflow">if</span> (pRunPtr == theObject) |
| <a name="l00314"></a>00314 { |
| <a name="l00315"></a>00315 <span class="keywordflow">return</span> <span class="keyword">true</span>; |
| <a name="l00316"></a>00316 } |
| <a name="l00317"></a>00317 <span class="keywordflow">else</span> |
| <a name="l00318"></a>00318 { |
| <a name="l00319"></a>00319 NextBlock* <span class="keyword">const</span> p = <span class="keyword">reinterpret_cast<</span>NextBlock*<span class="keyword">></span>(pRunPtr); |
| <a name="l00320"></a>00320 |
| <a name="l00321"></a>00321 assert(p->isValidFor(this->m_blockSize)); |
| <a name="l00322"></a>00322 |
| <a name="l00323"></a>00323 pRunPtr = this-><a class="code" href="classArenaBlockBase.html#a8ae6c2b10feec2cd16437bd1e8e41396">m_objectBlock</a> + p->next; |
| <a name="l00324"></a>00324 } |
| <a name="l00325"></a>00325 } |
| <a name="l00326"></a>00326 |
| <a name="l00327"></a>00327 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
| <a name="l00328"></a>00328 } |
| <a name="l00329"></a>00329 } |
| <a name="l00330"></a>00330 |
| <a name="l00331"></a>00331 <span class="comment">// Data members...</span> |
| <a name="l00332"></a>00332 <a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a> m_firstFreeBlock; |
| <a name="l00333"></a>00333 |
| <a name="l00334"></a>00334 <a class="code" href="classReusableArenaBlock.html#a2dad3ddb0a4f6cc5a1a73135c8e555ab">size_type</a> m_nextFreeBlock; |
| <a name="l00335"></a>00335 }; |
| <a name="l00336"></a>00336 |
| <a name="l00337"></a>00337 |
| <a name="l00338"></a>00338 |
| <a name="l00339"></a>00339 XALAN_CPP_NAMESPACE_END |
| <a name="l00340"></a>00340 |
| <a name="l00341"></a>00341 |
| <a name="l00342"></a>00342 |
| <a name="l00343"></a>00343 <span class="preprocessor">#endif // !defined(REUSABLEARENABLOCK_INCLUDE_GUARD_1357924680)</span> |
| </pre></div></div> |
| </div> |
| <p align="center"><a href="graph_legend.html">Interpreting class diagrams</a></p> |
| <p><font color="#000000" face="arial,helvetica,sanserif" size="-1"> |
| <i><a href="http://www.doxygen.org/">Doxygen</a> and |
| <a href="http://www.graphviz.org/">GraphViz</a> are |
| used to generate this API documentation from the Xalan-C header files.</i></font></p> |
| |
| <table border="0" cellpadding="0" cellspacing="0" width="80%"> |
| <tr> |
| <td width="80%" valign="top"> |
| <p align="center"><b>Xalan-C++ XSLT Processor Version 1.11</b><br/> |
| Copyright © 1999-2012 The Apache Software Foundation.<br/> |
| All Rights Reserved.</p> |
| </td> |
| </tr> |
| <tr> |
| <td width="100%"> |
| <p align="center"><img src="asf_logo_wide.gif" width="268" height="25" align="bottom" border="0" alt="Apache Logo"> |
| </td> |
| </tr> |
| </table> |
| </body> |
| </html> |
