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著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<a name="l00052"></a>00052         }
<a name="l00053"></a>00053 
<a name="l00054"></a><a class="code" href="class_object_factory_registry.html#a9808643e83d041d599157780656bfe8">00054</a>         <span class="keyword">const</span> <a class="code" href="class_object_factory.html" title="_">ObjectFactory&lt;AbstractClass&gt;</a> * <a class="code" href="class_object_factory_registry.html#a9808643e83d041d599157780656bfe8">GetFactory</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)<span class="keyword"> const</span>
<a name="l00055"></a>00055 <span class="keyword">        </span>{
<a name="l00056"></a>00056                 CPP_TYPENAME Map::const_iterator i = m_map.find(name);
<a name="l00057"></a>00057                 <span class="keywordflow">return</span> i == m_map.end() ? NULL : (<a class="code" href="class_object_factory.html" title="_">ObjectFactory&lt;AbstractClass&gt;</a> *)i-&gt;second;
<a name="l00058"></a>00058         }
<a name="l00059"></a>00059 
<a name="l00060"></a><a class="code" href="class_object_factory_registry.html#ac1346e4b76fe2d6112f2f662f083890">00060</a>         AbstractClass *<a class="code" href="class_object_factory_registry.html#ac1346e4b76fe2d6112f2f662f083890">CreateObject</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)<span class="keyword"> const</span>
<a name="l00061"></a>00061 <span class="keyword">        </span>{
<a name="l00062"></a>00062                 <span class="keyword">const</span> <a class="code" href="class_object_factory.html" title="_">ObjectFactory&lt;AbstractClass&gt;</a> *factory = <a class="code" href="class_object_factory_registry.html#a9808643e83d041d599157780656bfe8">GetFactory</a>(name);
<a name="l00063"></a>00063                 <span class="keywordflow">if</span> (!factory)
<a name="l00064"></a>00064                         <span class="keywordflow">throw</span> <a class="code" href="class_object_factory_registry_1_1_factory_not_found.html">FactoryNotFound</a>(name);
<a name="l00065"></a>00065                 <span class="keywordflow">return</span> factory-&gt;<a class="code" href="class_object_factory.html#e7590aab453f7c444e76c5369c35143c">CreateObject</a>();
<a name="l00066"></a>00066         }
<a name="l00067"></a>00067 
<a name="l00068"></a>00068         CRYPTOPP_NOINLINE <span class="keyword">static</span> <a class="code" href="class_object_factory_registry.html" title="_">ObjectFactoryRegistry&lt;AbstractClass, instance&gt;</a> &amp; <a class="code" href="class_object_factory_registry.html#bf6a8b9c6b2ad6090099dc2bd919961a">Registry</a>(CRYPTOPP_NOINLINE_DOTDOTDOT);
<a name="l00069"></a>00069 
<a name="l00070"></a>00070 <span class="keyword">private</span>:
<a name="l00071"></a>00071         <span class="comment">// use void * instead of ObjectFactory&lt;AbstractClass&gt; * to save code size</span>
<a name="l00072"></a>00072         <span class="keyword">typedef</span> std::map&lt;std::string, void *&gt; Map;
<a name="l00073"></a>00073         Map m_map;
<a name="l00074"></a>00074 };
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <span class="keyword">template</span> &lt;<span class="keyword">class</span> AbstractClass, <span class="keywordtype">int</span> instance&gt;
<a name="l00077"></a><a class="code" href="class_object_factory_registry.html#bf6a8b9c6b2ad6090099dc2bd919961a">00077</a> <a class="code" href="class_object_factory_registry.html" title="_">ObjectFactoryRegistry&lt;AbstractClass, instance&gt;</a> &amp; <a class="code" href="class_object_factory_registry.html#bf6a8b9c6b2ad6090099dc2bd919961a">ObjectFactoryRegistry&lt;AbstractClass, instance&gt;::Registry</a>(CRYPTOPP_NOINLINE_DOTDOTDOT)
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079         <span class="keyword">static</span> <a class="code" href="class_object_factory_registry.html" title="_">ObjectFactoryRegistry&lt;AbstractClass, instance&gt;</a> s_registry;
<a name="l00080"></a>00080         <span class="keywordflow">return</span> s_registry;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 
<a name="l00083"></a>00083 <span class="keyword">template</span> &lt;<span class="keyword">class</span> AbstractClass, <span class="keyword">class</span> ConcreteClass, <span class="keywordtype">int</span> instance = 0&gt;
<a name="l00084"></a><a class="code" href="struct_register_default_factory_for.html">00084</a> <span class="keyword">struct </span><a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor</a> {
<a name="l00085"></a><a class="code" href="struct_register_default_factory_for.html#2418ace62fed38cad6bc6b956382dbef">00085</a> <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *name=NULL)
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087         <span class="comment">// BCB2006 workaround</span>
<a name="l00088"></a>00088         std::string n = name ? std::string(name) : std::string(ConcreteClass::StaticAlgorithmName());
<a name="l00089"></a>00089         <a class="code" href="class_object_factory_registry.html#bf6a8b9c6b2ad6090099dc2bd919961a">ObjectFactoryRegistry&lt;AbstractClass, instance&gt;::Registry</a>().
<a name="l00090"></a>00090                 <a class="code" href="class_object_factory_registry.html#54e83f0eced96099d63a2a03e3b68210">RegisterFactory</a>(n, <span class="keyword">new</span> <a class="code" href="class_default_object_factory.html" title="_">DefaultObjectFactory&lt;AbstractClass, ConcreteClass&gt;</a>);
<a name="l00091"></a>00091 }};
<a name="l00092"></a>00092 
<a name="l00093"></a>00093 <span class="keyword">template</span> &lt;<span class="keyword">class</span> SchemeClass&gt;
<a name="l00094"></a>00094 <span class="keywordtype">void</span> RegisterAsymmetricCipherDefaultFactories(<span class="keyword">const</span> <span class="keywordtype">char</span> *name=NULL, SchemeClass *dummy=NULL)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096         <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor&lt;PK_Encryptor, CPP_TYPENAME SchemeClass::Encryptor&gt;</a>((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name);
<a name="l00097"></a>00097         <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor&lt;PK_Decryptor, CPP_TYPENAME SchemeClass::Decryptor&gt;</a>((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 
<a name="l00100"></a>00100 <span class="keyword">template</span> &lt;<span class="keyword">class</span> SchemeClass&gt;
<a name="l00101"></a>00101 <span class="keywordtype">void</span> RegisterSignatureSchemeDefaultFactories(<span class="keyword">const</span> <span class="keywordtype">char</span> *name=NULL, SchemeClass *dummy=NULL)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103         <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor&lt;PK_Signer, CPP_TYPENAME SchemeClass::Signer&gt;</a>((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name);
<a name="l00104"></a>00104         <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor&lt;PK_Verifier, CPP_TYPENAME SchemeClass::Verifier&gt;</a>((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name);
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 
<a name="l00107"></a>00107 <span class="keyword">template</span> &lt;<span class="keyword">class</span> SchemeClass&gt;
<a name="l00108"></a>00108 <span class="keywordtype">void</span> RegisterSymmetricCipherDefaultFactories(<span class="keyword">const</span> <span class="keywordtype">char</span> *name=NULL, SchemeClass *dummy=NULL)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110         <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor&lt;SymmetricCipher, CPP_TYPENAME SchemeClass::Encryption, ENCRYPTION&gt;</a>((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name);
<a name="l00111"></a>00111         <a class="code" href="struct_register_default_factory_for.html">RegisterDefaultFactoryFor&lt;SymmetricCipher, CPP_TYPENAME SchemeClass::Decryption, DECRYPTION&gt;</a>((<span class="keyword">const</span> <span class="keywordtype">char</span> *)name);
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 
<a name="l00114"></a>00114 NAMESPACE_END
<a name="l00115"></a>00115 
<a name="l00116"></a>00116 <span class="preprocessor">#endif</span>
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