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<h1>iutil/cache.h</h1><a href="cache_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_IUTIL_CACHE_H__</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define __CS_IUTIL_CACHE_H__</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="ref_8h.html" title="Smart Pointers.">csutil/ref.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="scf__interface_8h.html" title="Crystal Space Shared Class Facility (SCF) - interface creation support.">csutil/scf_interface.h</a>"</span>
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 <span class="keyword">struct </span><a class="code" href="structiDataBuffer.html" title="The iDataBuffer interface can be used to exchange buffers with abstract data between...">iDataBuffer</a>;
<a name="l00026"></a>00026 
<a name="l00052"></a><a class="code" href="structiCacheManager.html">00052</a> <span class="keyword">struct </span><a class="code" href="structiCacheManager.html" title="A generic cache system.">iCacheManager</a> : <span class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="structiBase.html" title="This is the basic interface: all other interfaces should be derived from this one...">iBase</a>
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054   SCF_INTERFACE(<a class="code" href="structiCacheManager.html" title="A generic cache system.">iCacheManager</a>, 2,0,0);
<a name="l00060"></a>00060   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiCacheManager.html#013f35481ea7adb2edd11c3c556b6cf4" title="Force the cache manager to be read-only.">SetReadOnly</a> (<span class="keywordtype">bool</span> ro) = 0;
<a name="l00061"></a>00061 
<a name="l00065"></a>00065   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="structiCacheManager.html#5354f443c37597e6f91c65aa435910c8" title="Is the cache manager read-only?">IsReadOnly</a> () <span class="keyword">const</span> = 0;
<a name="l00066"></a>00066 
<a name="l00071"></a>00071   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiCacheManager.html#368ec9b2fdcf57ef7e74a90f60189646" title="Set current type.">SetCurrentType</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>* type) = 0;
<a name="l00072"></a>00072 
<a name="l00076"></a>00076   <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="structiCacheManager.html#757fe6fbfa9de749269ee522106ac508" title="Get current type or 0 if none set.">GetCurrentType</a> () <span class="keyword">const</span> = 0;
<a name="l00077"></a>00077 
<a name="l00082"></a>00082   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiCacheManager.html#9467a5d21d2f805217fe3017d3475349" title="Set current scope.">SetCurrentScope</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>* scope) = 0;
<a name="l00083"></a>00083 
<a name="l00087"></a>00087   <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="structiCacheManager.html#6c368f02fd33a11c9758daa968e0e6ae" title="Get current scope or 0 if none set.">GetCurrentScope</a> () <span class="keyword">const</span> = 0;
<a name="l00088"></a>00088 
<a name="l00092"></a>00092   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="structiCacheManager.html#2aedafde9aa1abfd45423fa2b509a487" title="Cache some data.">CacheData</a> (<span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">size_t</span> size,
<a name="l00093"></a>00093         <span class="keyword">const</span> <span class="keywordtype">char</span>* type, <span class="keyword">const</span> <span class="keywordtype">char</span>* scope, <a class="code" href="group__util.html#g1134b580f8da4de94ca6b1de4d37975e" title="unsigned 32-bit integer (0..4 294 967 295)">uint32</a> <span class="keywordtype">id</span>) = 0;
<a name="l00094"></a>00094 
<a name="l00101"></a>00101   <span class="keyword">virtual</span> <a class="code" href="classcsPtr.html" title="A pointer encapsulator.">csPtr&lt;iDataBuffer&gt;</a> <a class="code" href="structiCacheManager.html#8720145834e76d05d858b7b4bac6b8b1" title="Retrieve some data from the cache.">ReadCache</a> (
<a name="l00102"></a>00102         <span class="keyword">const</span> <span class="keywordtype">char</span>* type, <span class="keyword">const</span> <span class="keywordtype">char</span>* scope, <a class="code" href="group__util.html#g1134b580f8da4de94ca6b1de4d37975e" title="unsigned 32-bit integer (0..4 294 967 295)">uint32</a> <span class="keywordtype">id</span>) = 0;
<a name="l00103"></a>00103 
<a name="l00115"></a>00115   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="structiCacheManager.html#026bda3760ef474ba81032e849bd40b8" title="Clear items from the cache.">ClearCache</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>* type = 0, <span class="keyword">const</span> <span class="keywordtype">char</span>* scope = 0,
<a name="l00116"></a>00116         <span class="keyword">const</span> <a class="code" href="group__util.html#g1134b580f8da4de94ca6b1de4d37975e" title="unsigned 32-bit integer (0..4 294 967 295)">uint32</a>* <span class="keywordtype">id</span> = 0) = 0;
<a name="l00117"></a>00117 
<a name="l00122"></a>00122   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="structiCacheManager.html#6f55692170b6a800973260d3efe9dd98" title="Ensure that the cached data is written on whatever medium is behind the cache.">Flush</a> () = 0;
<a name="l00123"></a>00123 };
<a name="l00124"></a>00124 
<a name="l00125"></a>00125 <span class="preprocessor">#endif // __CS_IUTIL_CACHE_H__</span>
<a name="l00126"></a>00126 <span class="preprocessor"></span>
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