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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>ahash: __hash.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.0 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul></div><div class="nav"><a class="el" href="dir_f0fcf61933910bd388b90fbcdd03e436.html">work_stuff</a> » <a class="el" href="dir_1bb4b0d7a6d3f13e8e897b68dcd29d80.html">ahash</a> » <a class="el" href="dir_5d70c39efa174681cb9f74ad0098b025.html">src</a></div><h1>__hash.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef THE__HASH_WHICH_SHOULD_BE_DERIVED_BY_ALL_HASH_TEMPLATES_H__20070524</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define THE__HASH_WHICH_SHOULD_BE_DERIVED_BY_ALL_HASH_TEMPLATES_H__20070524</span><a name="l00003"></a>00003 <span class="preprocessor"></span><a name="l00004"></a>00004 <span class="preprocessor">#include <assert.h></span><a name="l00005"></a>00005 <a name="l00006"></a>00006 <span class="preprocessor">#include <vector></span><a name="l00007"></a>00007 <a name="l00008"></a>00008 <span class="preprocessor">#ifndef HASHREFERENCEPREATTRIBUTES</span><a name="l00009"></a>00009 <span class="preprocessor"></span><span class="preprocessor">#define HASHREFERENCEPREATTRIBUTES</span><a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#ifndef HASHREFERENCEPOSTATTRIBUTES</span><a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#define HASHREFERENCEPOSTATTRIBUTES</span><a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00014"></a>00014 <span class="preprocessor"></span><a name="l00025"></a>00025 <span class="keyword">template</span> <<span class="keyword">typename</span> T><a name="l00026"></a><a class="code" href="class____hash.html">00026</a> <span class="keyword">class </span><a class="code" href="class____hash.html">__hash</a> {<a name="l00027"></a>00027 <span class="keyword">protected</span>:<a name="l00029"></a><a class="code" href="class____hash.html#25c5ee0b0b961760bd4f231160749b92">00029</a> <a class="code" href="class____hash.html#25c5ee0b0b961760bd4f231160749b92">__hash</a>(<span class="keywordtype">int</span> nBucketArraySize) : <a class="code" href="class____hash.html#95205784b60449f69d687aabe311f2a4">m_buckets</a>(nBucketArraySize), <a class="code" href="class____hash.html#a1ff8201f11069633842f684c419ee7e">m_nCount</a>(0) {}<a name="l00030"></a>00030 <span class="keyword">virtual</span> ~<a class="code" href="class____hash.html">__hash</a>() {}<a name="l00031"></a>00031 <span class="preprocessor">#ifdef DEBUG_AHASH</span><a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define CHECK_NEXT_AND_PREV()</span><a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#else</span><a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define CHECK_NEXT_AND_PREV() assert(CheckNextAndPrev())</span><a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#endif</span><a name="l00036"></a>00036 <span class="preprocessor"></span><span class="keyword">public</span>:<a name="l00038"></a>00038 <span class="preprocessor"> #ifndef _MSC_VER</span><a name="l00039"></a><a class="code" href="class____hash.html#f64e2ff54613d47d0ed8572ff607deeb">00039</a> <span class="preprocessor"></span> <span class="keywordtype">void</span> <a class="code" href="class____hash.html#f64e2ff54613d47d0ed8572ff607deeb">ReportCollisions</a>(_Log *pLog, <span class="keywordtype">bool</span> bSuppressZeroCollisions = TRUE, <span class="keywordtype">bool</span> bSuppressElements = TRUE)<span class="keyword"> const </span>{<a name="l00040"></a>00040 <a class="code" href="class____hash.html#89553b3d9132fb9c47ff04b1310800df">bucket_array_unit</a> nMaxCollisions = 0, nTotalCollisions = 0;<a name="l00041"></a>00041 <span class="keywordtype">int</span> nNonEmptyElements = 0;<a name="l00042"></a>00042 <span class="keywordtype">char</span> c[100];<a name="l00043"></a>00043 <span class="keywordflow">for</span> (<a class="code" href="class____hash.html#89553b3d9132fb9c47ff04b1310800df">bucket_array_unit</a> nIndex = 0; nIndex < <a class="code" href="class____hash.html#95205784b60449f69d687aabe311f2a4">m_buckets</a>.size(); nIndex++)<a name="l00044"></a>00044 <span class="keywordflow">if</span> (!<a class="code" href="class____hash.html#95205784b60449f69d687aabe311f2a4">m_buckets</a>[nIndex].<a class="code" href="class____hash.html#4506917cf326f3c28fd5a09c80742824">empty</a>()) {<a name="l00045"></a>00045 nNonEmptyElements++;<a name="l00046"></a>00046 <a class="code" href="class____hash.html#89553b3d9132fb9c47ff04b1310800df">bucket_array_unit</a> nCollisions = <a class="code" href="class____hash.html#95205784b60449f69d687aabe311f2a4">m_buckets</a>[nIndex].size() - 1;<a name="l00047"></a>00047 nTotalCollisions += nCollisions;<a name="l00048"></a>00048 <span class="keywordflow">if</span> (nCollisions > nMaxCollisions) nMaxCollisions = nCollisions;<a name="l00049"></a>00049 <span class="keywordflow">if</span> (!bSuppressElements)<a name="l00050"></a>00050 <span class="keywordflow">if</span> (nCollisions != 0 || !bSuppressZeroCollisions) {<a name="l00051"></a>00051 sprintf(c, <span class="stringliteral">"%d: %d collisions"</span>, (<span class="keywordtype">int</span>)nIndex, (<span class="keywordtype">int</span>)nCollisions);<a name="l00052"></a>00052 pLog->LogLine(c);<a name="l00053"></a>00053 }<a name="l00054"></a>00054 }<a name="l00055"></a>00055 pLog->LogLine(<span class="stringliteral">"=========="</span>);<a name="l00056"></a>00056 sprintf(c, <span class="stringliteral">"Total collisions:\t%d"</span>, (<span class="keywordtype">int</span>)nTotalCollisions);<a name="l00057"></a>00057 pLog->LogLine(c);<a name="l00058"></a>00058 sprintf(c, <span class="stringliteral">"Maximum collisions:\t%d"</span>, (<span class="keywordtype">int</span>)nMaxCollisions);<a name="l00059"></a>00059 pLog->LogLine(c);<a name="l00060"></a>00060 sprintf(c, <span class="stringliteral">"Average collisions:\t%f"</span>, <span class="keywordtype">double</span>(nTotalCollisions)/nNonEmptyElements);<a name="l00061"></a>00061 pLog->LogLine(c);<a name="l00062"></a>00062 }<a name="l00063"></a>00063 <span class="preprocessor"> #endif</span><a name="l00064"></a>00064 <span class="preprocessor"></span><a name="l00070"></a>00070 T &<a class="code" href="class____hash.html#13e7745fa4ebf4cefd9381da205b0978">Add</a>(<span class="keyword">const</span> T &t);<a name="l00075"></a><a class="code" href="class____hash.html#4506917cf326f3c28fd5a09c80742824">00075</a> <span class="keywordtype">bool</span> <a class="code" href="class____hash.html#4506917cf326f3c28fd5a09c80742824">empty</a>()<span class="keyword"> const </span>{<a name="l00076"></a>00076 <span class="keywordflow">return</span> <a class="code" href="class____hash.html#a1ff8201f11069633842f684c419ee7e">m_nCount</a> == 0;<a name="l00077"></a>00077 }<a name="l00083"></a><a class="code" href="class____hash.html#5b0c8a3e289645b5288bc35e552a4fd6">00083</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class____hash.html#5b0c8a3e289645b5288bc35e552a4fd6">size</a>()<span class="keyword"> const </span>{<a name="l00084"></a>00084 <span class="keywordflow">return</span> <a class="code" href="class____hash.html#a1ff8201f11069633842f684c419ee7e">m_nCount</a>;<a name="l00085"></a>00085 }<a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="keywordtype">void</span> <a class="code" href="class____hash.html#dd79ea5a829528548909b5809aa9749b">clear</a>();<a name="l00089"></a>00089 <a name="l00090"></a>00090 <span class="keyword">protected</span>:<a name="l00091"></a>00091 <span class="keyword">class </span>elementlist;<span class="comment">//I don't know why the hell I had to put this here, but the friend declaration didn't work if I didn't</span><a name="l00093"></a><a class="code" href="class____hash_1_1listelement.html">00093</a> <span class="comment"></span> <span class="keyword">class </span><a class="code" href="class____hash_1_1listelement.html">listelement</a> {<a name="l00094"></a>00094 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class____hash_1_1elementlist.html">elementlist</a>;<a name="l00095"></a>00095 <span class="keyword">public</span>:<a name="l00096"></a>00096 <a class="code" href="class____hash_1_1listelement.html">listelement</a>() : <a class="code" href="class____hash_1_1listelement.html#9c66bb0785ffe4619a38252d200e9fad">m_pPrev</a>(NULL), <a class="code" href="class____hash_1_1listelement.html#a2064f06ba4c690c86bb71a5561bf21c">m_pNext</a>(NULL) {}<a name="l00098"></a>00098 <a class="code" href="class____hash_1_1listelement.html">listelement</a>(<span class="keyword">const</span> <a class="code" href="class____hash_1_1listelement.html">listelement</a> &le);<a name="l00099"></a>00099 <a name="l00106"></a>00106 <a class="code" href="class____hash_1_1listelement.html">listelement</a>(<a class="code" href="class____hash_1_1listelement.html">listelement</a> *pPrev, <a class="code" href="class____hash_1_1listelement.html">listelement</a> *pNext, <span class="keyword">const</span> T &element);<a name="l00107"></a>00107 ~<a class="code" href="class____hash_1_1listelement.html">listelement</a>() {<a name="l00108"></a>00108 <span class="comment">//assert(CheckNextAndPrev());</span>⌨️ 快捷键说明
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