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<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" 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
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