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<h1>StringPool.hpp</h1><a href="StringPool_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>
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<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2001-2008</span>
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<a name="l00003"></a>00003 <span class="comment"> * DecisionSoft Limited. All rights reserved.</span>
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<a name="l00004"></a>00004 <span class="comment"> * Copyright (c) 2004-2008</span>
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<a name="l00005"></a>00005 <span class="comment"> * Oracle. All rights reserved.</span>
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<a name="l00006"></a>00006 <span class="comment"> *</span>
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<a name="l00007"></a>00007 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
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<a name="l00008"></a>00008 <span class="comment"> * you may not use this file except in compliance with the License.</span>
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<a name="l00009"></a>00009 <span class="comment"> * You may obtain a copy of the License at</span>
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<a name="l00010"></a>00010 <span class="comment"> *</span>
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<a name="l00011"></a>00011 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
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<a name="l00012"></a>00012 <span class="comment"> *</span>
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<a name="l00013"></a>00013 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
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<a name="l00014"></a>00014 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
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<a name="l00015"></a>00015 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
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<a name="l00016"></a>00016 <span class="comment"> * See the License for the specific language governing permissions and</span>
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<a name="l00017"></a>00017 <span class="comment"> * limitations under the License.</span>
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<a name="l00018"></a>00018 <span class="comment"> *</span>
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<a name="l00019"></a>00019 <span class="comment"> * $Id$</span>
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<a name="l00020"></a>00020 <span class="comment"> */</span>
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<a name="l00021"></a>00021
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<a name="l00022"></a>00022 <span class="preprocessor">#ifndef __STRINGPOOL_HPP</span>
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<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define __STRINGPOOL_HPP</span>
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<a name="l00024"></a>00024 <span class="preprocessor"></span>
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<a name="l00025"></a>00025 <span class="preprocessor">#include <xqilla/framework/XQillaExport.hpp></span>
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<a name="l00026"></a>00026 <span class="preprocessor">#include <<a class="code" href="MemoryManager_8hpp.html">xercesc/framework/MemoryManager.hpp</a>></span>
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<a name="l00027"></a>00027 <span class="preprocessor">#include <memory></span>
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<a name="l00028"></a>00028 <span class="preprocessor">#include <cstring></span>
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<a name="l00029"></a>00029 <span class="comment">//Added so xqilla will compile under CC on Solaris</span>
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<a name="l00030"></a>00030 <span class="preprocessor">#include <string></span>
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<a name="l00031"></a>00031 <span class="comment">// Added so xqilla will compile on SunOS 10 using STLPort</span>
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<a name="l00032"></a>00032 <span class="preprocessor">#include <memory.h></span>
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<a name="l00033"></a>00033
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<a name="l00034"></a><a class="code" href="classStringPool.html">00034</a> <span class="keyword">class </span>XQILLA_API <a class="code" href="classStringPool.html">StringPool</a>
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<a name="l00035"></a>00035 {
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<a name="l00036"></a>00036 <span class="keyword">public</span>:
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<a name="l00037"></a>00037 <a class="code" href="classStringPool.html">StringPool</a>(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *mm);
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<a name="l00038"></a>00038 ~<a class="code" href="classStringPool.html">StringPool</a>();
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<a name="l00039"></a>00039
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<a name="l00041"></a>00041 <span class="keyword">const</span> XMLCh* getPooledString(<span class="keyword">const</span> XMLCh *src);
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<a name="l00043"></a>00043 <span class="keyword">const</span> XMLCh* getPooledString(<span class="keyword">const</span> XMLCh *src, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
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<a name="l00045"></a>00045 <span class="keyword">const</span> XMLCh* getPooledString(<span class="keyword">const</span> <span class="keywordtype">char</span> *src);
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<a name="l00046"></a>00046
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<a name="l00047"></a><a class="code" href="classStringPool.html#af6d24d45f310175362ebd842c2123dac">00047</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classStringPool.html#af6d24d45f310175362ebd842c2123dac">getCount</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _count; }
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<a name="l00048"></a><a class="code" href="classStringPool.html#ac3692bf7844a594db61f40c5dd9d63a3">00048</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classStringPool.html#ac3692bf7844a594db61f40c5dd9d63a3">getHits</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _hits; }
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<a name="l00049"></a><a class="code" href="classStringPool.html#a241899aef5a9ad993d7270a3ed849efa">00049</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classStringPool.html#a241899aef5a9ad993d7270a3ed849efa">getMisses</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _misses; }
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<a name="l00050"></a><a class="code" href="classStringPool.html#a47d21c75962c61516daf6b7276fba8dd">00050</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classStringPool.html#a47d21c75962c61516daf6b7276fba8dd">getTooBig</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _toobig; }
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<a name="l00051"></a>00051 <span class="keywordtype">void</span> dumpStatistics() <span class="keyword">const</span>;
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<a name="l00052"></a>00052
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<a name="l00053"></a>00053 <span class="keyword">private</span>:
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<a name="l00054"></a>00054 <a class="code" href="classStringPool.html">StringPool</a>(<span class="keyword">const</span> <a class="code" href="classStringPool.html">StringPool</a>&);
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<a name="l00055"></a>00055 <a class="code" href="classStringPool.html">StringPool</a> &operator=(<span class="keyword">const</span> <a class="code" href="classStringPool.html">StringPool</a>&);
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<a name="l00056"></a>00056
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<a name="l00057"></a>00057 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hash(<span class="keyword">const</span> XMLCh *v, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
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<a name="l00058"></a>00058 <span class="keyword">const</span> XMLCh *replicate(<span class="keyword">const</span> XMLCh *v, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length) <span class="keyword">const</span>;
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<a name="l00059"></a>00059 <span class="keywordtype">void</span> resize();
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061 <span class="keyword">class </span>Bucket
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<a name="l00062"></a>00062 {
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<a name="l00063"></a>00063 <span class="keyword">public</span>:
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<a name="l00064"></a>00064 Bucket(<span class="keyword">const</span> XMLCh *v, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> l, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> h, Bucket *n)
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<a name="l00065"></a>00065 : value(v), length(l), hashValue(h), next(n) {}
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<a name="l00066"></a>00066
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<a name="l00067"></a>00067 <span class="keyword">const</span> XMLCh *value;
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<a name="l00068"></a>00068 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length;
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<a name="l00069"></a>00069 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashValue;
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<a name="l00070"></a>00070 Bucket *next;
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<a name="l00071"></a>00071 };
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<a name="l00072"></a>00072
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<a name="l00073"></a>00073 XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager *_mm;
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<a name="l00074"></a>00074 Bucket **_bucketList;
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<a name="l00075"></a>00075 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _modulus;
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<a name="l00076"></a>00076 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _count;
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<a name="l00077"></a>00077 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _hits;
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<a name="l00078"></a>00078 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _misses;
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<a name="l00079"></a>00079 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> _toobig;
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<a name="l00080"></a>00080 };
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<a name="l00081"></a>00081
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<a name="l00082"></a>00082 <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> StringPool::hash(<span class="keyword">const</span> XMLCh *v, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
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<a name="l00083"></a>00083 {
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<a name="l00084"></a>00084 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hashVal = 0;
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<a name="l00085"></a>00085 <span class="keywordflow">while</span>(length) {
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<a name="l00086"></a>00086 hashVal += (hashVal * 37) + (hashVal >> 24) + (<span class="keywordtype">unsigned</span> int)(*v);
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<a name="l00087"></a>00087 ++v;
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<a name="l00088"></a>00088 --length;
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<a name="l00089"></a>00089 }
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<a name="l00090"></a>00090 <span class="keywordflow">return</span> hashVal;
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<a name="l00091"></a>00091 }
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<a name="l00092"></a>00092
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<a name="l00093"></a>00093 <span class="keyword">inline</span> <span class="keyword">const</span> XMLCh *StringPool::replicate(<span class="keyword">const</span> XMLCh *v, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)<span class="keyword"> const</span>
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<a name="l00094"></a>00094 <span class="keyword"></span>{
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<a name="l00095"></a>00095 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> size = length * <span class="keyword">sizeof</span>(XMLCh);
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<a name="l00096"></a>00096 XMLCh *ret = (XMLCh*)_mm-><a class="code" href="classxercesc_1_1MemoryManager.html#ab6bbb5b604d2159e7ccc4532e4f422af" title="This method allocates requested memory.">allocate</a>(size + <span class="keyword">sizeof</span>(XMLCh));
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<a name="l00097"></a>00097 memcpy(ret, v, size);
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<a name="l00098"></a>00098 ret[length] = 0;
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<a name="l00099"></a>00099 <span class="keywordflow">return</span> ret;
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<a name="l00100"></a>00100 }
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<a name="l00101"></a>00101
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<a name="l00102"></a>00102 <span class="preprocessor">#endif</span>
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated on Mon Mar 1 21:15:51 2010 for XQilla Simple API by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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