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<h1>csutil/strhash.h</h1><a href="strhash_8h.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">    Copyright (C) 2002 by Jorrit Tyberghein</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">    This library is free software; you can redistribute it and/or</span>
<a name="l00005"></a>00005 <span class="comment">    modify it under the terms of the GNU Library General Public</span>
<a name="l00006"></a>00006 <span class="comment">    License as published by the Free Software Foundation; either</span>
<a name="l00007"></a>00007 <span class="comment">    version 2 of the License, or (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">    This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00012"></a>00012 <span class="comment">    Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">    You should have received a copy of the GNU Library General Public</span>
<a name="l00015"></a>00015 <span class="comment">    License along with this library; if not, write to the Free</span>
<a name="l00016"></a>00016 <span class="comment">    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef __CS_STRHASH_H__</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define __CS_STRHASH_H__</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "csextern.h"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="hash_8h.html" title="A generic hash table.">csutil/hash.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="mempool_8h.html" title="Generic Memory Allocator.">csutil/mempool.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="iutil_2strset_8h.html" title="Stringset interface.">iutil/strset.h</a>"</span>
<a name="l00026"></a>00026 
<a name="l00038"></a><a class="code" href="classcsStringHash.html">00038</a> <span class="keyword">class </span>CS_CRYSTALSPACE_EXPORT <a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a>
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keyword">private</span>:
<a name="l00041"></a>00041   <span class="keyword">typedef</span> <a class="code" href="classcsHash.html" title="A generic hash table class, which grows dynamically and whose buckets are unsorted...">csHash&lt;csStringID, char const*&gt;</a> <a class="code" href="classcsHash.html" title="A generic hash table class, which grows dynamically and whose buckets are unsorted...">HashType</a>;
<a name="l00042"></a>00042   <a class="code" href="classcsHash.html" title="A generic hash table class, which grows dynamically and whose buckets are unsorted...">HashType</a> registry;
<a name="l00043"></a>00043   <a class="code" href="classcsMemoryPool.html" title="A quick-allocation pool for storage of arbitrary data.">csMemoryPool</a> pool;
<a name="l00044"></a>00044 
<a name="l00045"></a>00045   <span class="keywordtype">void</span> Copy(<a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a> <span class="keyword">const</span>&amp;);
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="keyword">public</span>:
<a name="l00048"></a><a class="code" href="classcsStringHash.html#bc9f04415cbe70e38503e9193bb627d1">00048</a>   <span class="keyword">typedef</span> <a class="code" href="classcsHash_1_1ConstGlobalIterator.html" title="An const iterator class for the hash.">HashType::ConstGlobalIterator</a> <a class="code" href="classcsHash_1_1ConstGlobalIterator.html" title="An const iterator class for the hash.">GlobalIterator</a>;
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">public</span>:
<a name="l00052"></a>00052   <a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a> (<span class="keywordtype">size_t</span> size = 23);
<a name="l00054"></a><a class="code" href="classcsStringHash.html#e0994fd1ead9695c06b82c694d7afef2">00054</a>   <a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a> (<a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a> <span class="keyword">const</span>&amp; h) { Copy(h); }
<a name="l00056"></a>00056   ~<a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a> ();
<a name="l00058"></a><a class="code" href="classcsStringHash.html#3d27640fdff527b20c9485773b5ec29a">00058</a>   <a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a>&amp; operator=(<a class="code" href="classcsStringHash.html" title="A string-to-ID hash table.">csStringHash</a> <span class="keyword">const</span>&amp; h) { Copy(h); <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
<a name="l00059"></a>00059 
<a name="l00079"></a>00079   <span class="keyword">const</span> <span class="keywordtype">char</span>* Register (<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <a class="code" href="group__util.html#gbe4f44c93bfeee85c507a999dccf21dd" title="An identifier for a string.">csStringID</a> <span class="keywordtype">id</span> = 0);
<a name="l00080"></a>00080 
<a name="l00086"></a>00086   <a class="code" href="group__util.html#gbe4f44c93bfeee85c507a999dccf21dd" title="An identifier for a string.">csStringID</a> Request (<span class="keyword">const</span> <span class="keywordtype">char</span>* s) <span class="keyword">const</span>;
<a name="l00087"></a>00087 
<a name="l00098"></a>00098   <span class="keyword">const</span> <span class="keywordtype">char</span>* Request (<a class="code" href="group__util.html#gbe4f44c93bfeee85c507a999dccf21dd" title="An identifier for a string.">csStringID</a> <span class="keywordtype">id</span>) <span class="keyword">const</span>;
<a name="l00099"></a>00099 
<a name="l00105"></a><a class="code" href="classcsStringHash.html#f664069dcfda1b5195b026be73687f0e">00105</a>   <span class="keywordtype">bool</span> Contains(<span class="keywordtype">char</span> <span class="keyword">const</span>* s)<span class="keyword"> const</span>
<a name="l00106"></a>00106 <span class="keyword">  </span>{ <span class="keywordflow">return</span> Request(s) != <a class="code" href="group__util.html#g441e9321397d7398ee7f4da14ba477c8" title="An invalid csStringID.">csInvalidStringID</a>; }
<a name="l00107"></a>00107 
<a name="l00116"></a><a class="code" href="classcsStringHash.html#8f1dede993638e1905dbdbd0a5d4a3fb">00116</a>   <span class="keywordtype">bool</span> Contains(<a class="code" href="group__util.html#gbe4f44c93bfeee85c507a999dccf21dd" title="An identifier for a string.">csStringID</a> <span class="keywordtype">id</span>)<span class="keyword"> const</span>
<a name="l00117"></a>00117 <span class="keyword">  </span>{ <span class="keywordflow">return</span> Request(<span class="keywordtype">id</span>) != 0; }
<a name="l00118"></a>00118 
<a name="l00123"></a>00123   <span class="keywordtype">bool</span> Delete(<span class="keywordtype">char</span> <span class="keyword">const</span>* s);
<a name="l00124"></a>00124 
<a name="l00131"></a>00131   <span class="keywordtype">bool</span> Delete(<a class="code" href="group__util.html#gbe4f44c93bfeee85c507a999dccf21dd" title="An identifier for a string.">csStringID</a> <span class="keywordtype">id</span>);
<a name="l00132"></a>00132 
<a name="l00136"></a>00136   <span class="keywordtype">void</span> Empty ();
<a name="l00137"></a>00137 
<a name="l00142"></a>00142   <span class="comment">/*CS_DEPRECATED_METHOD("Use Empty() instead.")*/</span>
<a name="l00143"></a><a class="code" href="classcsStringHash.html#8c69d63cd90d1642a21a49561ce80e06">00143</a>   <span class="keywordtype">void</span> Clear ()
<a name="l00144"></a>00144   { Empty(); }
<a name="l00145"></a>00145 
<a name="l00147"></a><a class="code" href="classcsStringHash.html#5919b02edb524864ce7137ea3185e6a7">00147</a>   <span class="keywordtype">size_t</span> GetSize ()<span class="keyword"> const</span>
<a name="l00148"></a>00148 <span class="keyword">  </span>{ <span class="keywordflow">return</span> registry.GetSize (); }
<a name="l00149"></a>00149 
<a name="l00155"></a><a class="code" href="classcsStringHash.html#64eddf4090ec31dadf6f9b15beb8729c">00155</a>   <span class="keywordtype">bool</span> IsEmpty()<span class="keyword"> const</span>
<a name="l00156"></a>00156 <span class="keyword">  </span>{ <span class="keywordflow">return</span> GetSize() == 0; }
<a name="l00157"></a>00157 
<a name="l00163"></a><a class="code" href="classcsStringHash.html#87c7e5528207b6ec6080ed847e27bf56">00163</a>   <a class="code" href="classcsHash_1_1ConstGlobalIterator.html" title="An const iterator class for the hash.">GlobalIterator</a> GetIterator ()<span class="keyword"> const</span>
<a name="l00164"></a>00164 <span class="keyword">  </span>{ <span class="keywordflow">return</span> registry.GetIterator(); }
<a name="l00165"></a>00165 };
<a name="l00166"></a>00166 
<a name="l00167"></a>00167 <span class="preprocessor">#endif // __CS_STRHASH_H__</span>
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