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doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<hr><h1>class_registry.cpp</h1><a href="class__registry_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 +00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font> +00008 <font class="comment"> *</font> +00009 <font class="comment"> * This file is part of NEVRAX NEL.</font> +00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font> +00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font> +00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font> +00013 <font class="comment"> * any later version.</font> +00014 <font class="comment"></font> +00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font> +00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font> +00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font> +00018 <font class="comment"> * General Public License for more details.</font> +00019 <font class="comment"></font> +00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font> +00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font> +00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font> +00023 <font class="comment"> * MA 02111-1307, USA.</font> +00024 <font class="comment"> */</font> +00025 +00026 <font class="preprocessor">#include "<a class="code" href="stdmisc_8h.html">stdmisc.h</a>"</font> +00027 +00028 <font class="preprocessor">#include "<a class="code" href="class__registry_8h.html">nel/misc/class_registry.h</a>"</font> +00029 +00030 <font class="preprocessor">#include <typeinfo></font> +00031 +00032 <font class="keyword">using</font> <font class="keyword">namespace </font>std; +00033 +00034 <font class="keyword">namespace </font>NLMISC +00035 { +00036 +00037 +00038 <font class="comment">// ======================================================================================================</font> +<a name="l00039"></a><a class="code" href="classNLMISC_1_1CClassRegistry.html#r0">00039</a> set<CClassRegistry::CClassNode> *CClassRegistry::RegistredClasses = NULL; +00040 +00041 +00042 <font class="comment">// ======================================================================================================</font> +<a name="l00043"></a><a class="code" href="classNLMISC_1_1CClassRegistry.html#f0">00043</a> <font class="keywordtype">void</font> CClassRegistry::init() +00044 { +00045 <font class="keywordflow">if</font> (<a class="code" href="classNLMISC_1_1CClassRegistry.html#r0">RegistredClasses</a> == NULL) +00046 <a class="code" href="classNLMISC_1_1CClassRegistry.html#r0">RegistredClasses</a> = <font class="keyword">new</font> set<CClassRegistry::CClassNode>(); +00047 } +00048 +00049 +00050 <font class="comment">// ======================================================================================================</font> +<a name="l00051"></a><a class="code" href="classNLMISC_1_1CClassRegistry.html#d1">00051</a> IClassable *CClassRegistry::create(<font class="keyword">const</font> string &className) <font class="keywordflow">throw</font>(ERegistry) +00052 { +00053 init(); +00054 +00055 set<CClassNode>::iterator it; +00056 CClassNode node; +00057 +00058 node.ClassName= className; +00059 it=RegistredClasses->find(node); +00060 +00061 <font class="keywordflow">if</font>(it==RegistredClasses->end()) +00062 <font class="keywordflow">return</font> NULL; +00063 <font class="keywordflow">else</font> +00064 { +00065 IClassable *ptr; +00066 ptr=it->Creator(); +00067 <font class="preprocessor"> #ifdef NL_DEBUG</font> +00068 <font class="preprocessor"></font> <a class="code" href="debug_8h.html#a6">nlassert</a>(CClassRegistry::checkObject(ptr)); +00069 <font class="preprocessor"> #endif</font> +00070 <font class="preprocessor"></font> <font class="keywordflow">return</font> ptr; +00071 } +00072 +00073 } +00074 +00075 <font class="comment">// ======================================================================================================</font> +<a name="l00076"></a><a class="code" href="classNLMISC_1_1CClassRegistry.html#d0">00076</a> <font class="keywordtype">void</font> CClassRegistry::registerClass(<font class="keyword">const</font> string &className, IClassable* (*creator)(), <font class="keyword">const</font> string &typeidCheck) <font class="keywordflow">throw</font>(ERegistry) +00077 { +00078 init(); +00079 +00080 CClassNode node; +00081 node.ClassName= className; +00082 node.Creator=creator; +00083 node.TypeIdCheck= typeidCheck; +00084 <font class="keywordflow">if</font>(!RegistredClasses->insert(node).second) +00085 { +00086 <a class="code" href="debug_8h.html#a12">nlstop</a>; +00087 <font class="keywordflow">throw</font> ERegisteredClass(); +00088 } +00089 } +00090 +00091 <font class="comment">// ======================================================================================================</font> +<a name="l00092"></a><a class="code" href="classNLMISC_1_1CClassRegistry.html#d2">00092</a> <font class="keywordtype">bool</font> CClassRegistry::checkObject(IClassable* obj) +00093 { +00094 <a class="code" href="classNLMISC_1_1CClassRegistry.html#f0">init</a>(); +00095 +00096 set<CClassNode>::iterator it; +00097 CClassNode node; +00098 node.ClassName= obj->getClassName(); +00099 +00100 it=<a class="code" href="classNLMISC_1_1CClassRegistry.html#r0">RegistredClasses</a>->find(node); +00101 <font class="keywordflow">if</font>(it==<a class="code" href="classNLMISC_1_1CClassRegistry.html#r0">RegistredClasses</a>->end()) +00102 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00103 node= *it; +00104 +00105 <font class="keywordflow">if</font>( node.TypeIdCheck != string(<font class="keyword">typeid</font>(*obj).name()) ) +00106 <font class="keywordflow">return</font> <font class="keyword">false</font>; +00107 +00108 <font class="keywordflow">return</font> <font class="keyword">true</font>; +00109 } +00110 +00111 +00112 +00113 } +00114 +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |