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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=UTF-8"><title>Crypto++: factory.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 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>factory.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_OBJFACT_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_OBJFACT_H</span><a name="l00003"></a>00003 <span class="preprocessor"></span><a name="l00004"></a>00004 <span class="preprocessor">#include "<a class="code" href="cryptlib_8h.html">cryptlib.h</a>"</span><a name="l00005"></a>00005 <span class="preprocessor">#include <map></span><a name="l00006"></a>00006 <a name="l00007"></a>00007 NAMESPACE_BEGIN(CryptoPP)<a name="l00008"></a>00008 <a name="l00009"></a>00009 <span class="comment">//! _</span><a name="l00010"></a>00010 <span class="comment"></span>template <class AbstractClass><a name="l00011"></a><a class="code" href="class_object_factory.html">00011</a> class <a class="code" href="class_object_factory.html" title="_">ObjectFactory</a><a name="l00012"></a>00012 {<a name="l00013"></a>00013 <span class="keyword">public</span>:<a name="l00014"></a>00014 <span class="keyword">virtual</span> AbstractClass * CreateObject() <span class="keyword">const</span> =0;<a name="l00015"></a>00015 };<a name="l00016"></a>00016 <span class="comment"></span><a name="l00017"></a>00017 <span class="comment">//! _</span><a name="l00018"></a>00018 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> AbstractClass, <span class="keyword">class</span> ConcreteClass><a name="l00019"></a><a class="code" href="class_default_object_factory.html">00019</a> <span class="keyword">class </span><a class="code" href="class_default_object_factory.html" title="_">DefaultObjectFactory</a> : <span class="keyword">public</span> <a class="code" href="class_object_factory.html" title="_">ObjectFactory</a><AbstractClass><a name="l00020"></a>00020 {<a name="l00021"></a>00021 <span class="keyword">public</span>:<a name="l00022"></a><a class="code" href="class_default_object_factory.html#04c463cd1208b34544c62dd899ccb869">00022</a> AbstractClass * <a class="code" href="class_default_object_factory.html#04c463cd1208b34544c62dd899ccb869">CreateObject</a>()<span class="keyword"> const</span><a name="l00023"></a>00023 <span class="keyword"> </span>{<a name="l00024"></a>00024 <span class="keywordflow">return</span> <span class="keyword">new</span> ConcreteClass;<a name="l00025"></a>00025 }<a name="l00026"></a>00026 <a name="l00027"></a>00027 };<a name="l00028"></a>00028 <span class="comment"></span><a name="l00029"></a>00029 <span class="comment">//! _</span><a name="l00030"></a>00030 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> AbstractClass, <span class="keywordtype">int</span> instance=0><a name="l00031"></a><a class="code" href="class_object_factory_registry.html">00031</a> <span class="keyword">class </span><a class="code" href="class_object_factory_registry.html" title="_">ObjectFactoryRegistry</a><a name="l00032"></a>00032 {<a name="l00033"></a>00033 <span class="keyword">public</span>:<a name="l00034"></a><a class="code" href="class_object_factory_registry_1_1_factory_not_found.html">00034</a> <span class="keyword">class </span><a class="code" href="class_object_factory_registry_1_1_factory_not_found.html">FactoryNotFound</a> : <span class="keyword">public</span> <a class="code" href="class_exception.html" title="base class for all exceptions thrown by Crypto++">Exception</a><a name="l00035"></a>00035 {<a name="l00036"></a>00036 <span class="keyword">public</span>:<a name="l00037"></a><a class="code" href="class_object_factory_registry_1_1_factory_not_found.html#d631b96d8906f1f99ba8778ac44a891e">00037</a> <a class="code" href="class_object_factory_registry_1_1_factory_not_found.html#d631b96d8906f1f99ba8778ac44a891e">FactoryNotFound</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name) : <a class="code" href="class_exception.html" title="base class for all exceptions thrown by Crypto++">Exception</a>(<a class="code" href="class_exception.html#8e53909d979479380e0274807c074c0a27d9ee7704100a88e4ae4adcc4072015" title="some error not belong to any of the above categories">OTHER_ERROR</a>, std::string(<span class="stringliteral">"ObjectFactoryRegistry: could not find factory for algorithm "</span>) + name) {}<a name="l00038"></a>00038 };<a name="l00039"></a>00039 <a name="l00040"></a><a class="code" href="class_object_factory_registry.html#16e31a3435b42a3f56f2923bcfb40e36">00040</a> <a class="code" href="class_object_factory_registry.html#16e31a3435b42a3f56f2923bcfb40e36">~ObjectFactoryRegistry</a>()<a name="l00041"></a>00041 {<a name="l00042"></a>00042 <span class="keywordflow">for</span> (CPP_TYPENAME Map::iterator i = m_map.begin(); i != m_map.end(); ++i)<a name="l00043"></a>00043 {<a name="l00044"></a>00044 <span class="keyword">delete</span> (<a class="code" href="class_object_factory.html" title="_">ObjectFactory<AbstractClass></a> *)i->second;<a name="l00045"></a>00045 i->second = NULL;<a name="l00046"></a>00046 }<a name="l00047"></a>00047 }<a name="l00048"></a>00048 <a name="l00049"></a><a class="code" href="class_object_factory_registry.html#54e83f0eced96099d63a2a03e3b68210">00049</a> <span class="keywordtype">void</span> <a class="code" href="class_object_factory_registry.html#54e83f0eced96099d63a2a03e3b68210">RegisterFactory</a>(<span class="keyword">const</span> std::string &name, <a class="code" href="class_object_factory.html" title="_">ObjectFactory<AbstractClass></a> *factory)<a name="l00050"></a>00050 {<a name="l00051"></a>00051 m_map[name] = factory;⌨️ 快捷键说明
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