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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>wg_message_server.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="index.html">Main Page</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">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> </center><hr><h1>wg_message_server.cpp</h1><div class="fragment"><pre>00001 <span class="comment">// wg_message_server.cpp</span>00002 <span class="comment">//</span>00003 <span class="comment">// CMessageServer class implementation</span>00004 <span class="comment">//</span>00005 <span class="comment">//</span>00006 <span class="comment">// Copyright (c) 2002 Rob Wiskow</span>00007 <span class="comment">// rob-dev@boxedchaos.com</span>00008 <span class="comment">//</span>00009 <span class="comment">// This library is free software; you can redistribute it and/or</span>00010 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>00011 <span class="comment">// License as published by the Free Software Foundation; either</span>00012 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>00013 <span class="comment">//</span>00014 <span class="comment">// This library is distributed in the hope that it will be useful,</span>00015 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>00016 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>00017 <span class="comment">// Lesser General Public License for more details.</span>00018 <span class="comment">//</span>00019 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>00020 <span class="comment">// License along with this library; if not, write to the Free Software</span>00021 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>00022 <span class="comment">//</span>00023 00024 00025 <span class="preprocessor">#include "wgui_include_config.h"</span>00026 <span class="preprocessor">#include "wg_message_server.h"</span>00027 <span class="preprocessor">#include "std_ex.h"</span>00028 <span class="preprocessor">#include "wg_message_client.h"</span>00029 <span class="preprocessor">#include "wg_error.h"</span>00030 <span class="preprocessor">#include "wg_debug.h"</span>00031 00032 00033 <span class="keyword">namespace </span>wGui00034 {00035 <a name="l00036"></a><a class="code" href="classwGui_1_1CMessageServer.html#q0">00036</a> <a class="code" href="classwGui_1_1CMessageServer.html">CMessageServer</a>* CMessageServer::m_pInstance = 0;00037 00038 <a name="l00039"></a><a class="code" href="classwGui_1_1CMessageServer.html#b0">00039</a> CMessageServer::CMessageServer(<span class="keywordtype">void</span>)00040 {00041 <a class="code" href="classwGui_1_1CMessageServer.html#n2">m_pSemaphore</a> = SDL_CreateSemaphore(0);00042 }00043 00044 <a name="l00045"></a><a class="code" href="classwGui_1_1CMessageServer.html#b1">00045</a> CMessageServer::~CMessageServer(<span class="keywordtype">void</span>)00046 {00047 00048 }00049 00050 <a name="l00051"></a><a class="code" href="classwGui_1_1CMessageServer.html#d0">00051</a> <a class="code" href="classwGui_1_1CMessageServer.html">CMessageServer</a>& CMessageServer::Instance(<span class="keywordtype">void</span>)00052 {00053 <span class="keywordflow">if</span> (!<a class="code" href="classwGui_1_1CMessageServer.html#q0">m_pInstance</a>)00054 {00055 <a class="code" href="classwGui_1_1CMessageServer.html#q0">m_pInstance</a> = <span class="keyword">new</span> <a class="code" href="classwGui_1_1CMessageServer.html">CMessageServer</a>;00056 <span class="keywordflow">if</span> (!<a class="code" href="classwGui_1_1CMessageServer.html#q0">m_pInstance</a>)00057 {00058 <span class="keywordflow">throw</span>(<a class="code" href="classwGui_1_1Wg__Ex__App.html">Wg_Ex_App</a>(<span class="stringliteral">"CMessageServer::Instance : Unable to instantiate Message Server!"</span>));00059 }00060 }00061 00062 <span class="keywordflow">return</span> *<a class="code" href="classwGui_1_1CMessageServer.html#q0">m_pInstance</a>;00063 }00064 00065 <a name="l00066"></a><a class="code" href="classwGui_1_1CMessageServer.html#a0">00066</a> <span class="keywordtype">void</span> CMessageServer::RegisterMessageClient(<a class="code" href="classwGui_1_1CMessageClient.html">CMessageClient</a>* pClient, CMessage::EMessageType eMessageType, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> Priority)00067 {00068 <a class="code" href="classwGui_1_1CMessageServer.html#n1">m_MessageClients</a>[eMessageType].insert(std::make_pair(Priority, std::make_pair(pClient, <span class="keyword">false</span>)));00069 }00070 00071 <a name="l00072"></a><a class="code" href="classwGui_1_1CMessageServer.html#a1">00072</a> <span class="keywordtype">void</span> CMessageServer::DeregisterMessageClient(<a class="code" href="classwGui_1_1CMessageClient.html">CMessageClient</a>* pClient, CMessage::EMessageType eMessageType)00073 {00074 t_MessageClientPriorityMap& PriorityMap = <a class="code" href="classwGui_1_1CMessageServer.html#n1">m_MessageClients</a>[eMessageType];00075 t_MessageClientPriorityMap::iterator iter = PriorityMap.begin();00076 <span class="keywordflow">while</span> (iter != PriorityMap.end())00077 {00078 <span class="keywordflow">if</span> (iter->second.first == pClient)00079 {00080 PriorityMap.erase(iter);00081 iter = PriorityMap.begin();00082 }00083 <span class="keywordflow">else</span>00084 {00085 ++iter;00086 }00087 }00088 }00089 00090 <a name="l00091"></a><a class="code" href="classwGui_1_1CMessageServer.html#a2">00091</a> <span class="keywordtype">void</span> CMessageServer::DeregisterMessageClient(<a class="code" href="classwGui_1_1CMessageClient.html">CMessageClient</a>* pClient)00092 {00093 <span class="keywordflow">for</span> (t_MessageClientMap::iterator iter = <a class="code" href="classwGui_1_1CMessageServer.html#n1">m_MessageClients</a>.begin(); iter != <a class="code" href="classwGui_1_1CMessageServer.html#n1">m_MessageClients</a>.end(); ++iter)00094 {00095 t_MessageClientPriorityMap::iterator iter2 = iter->second.begin();00096 <span class="keywordflow">while</span> (iter2 != iter->second.end())00097 {00098 <span class="keywordflow">if</span> (iter2->second.first == pClient)00099 {00100 iter->second.erase(iter2);00101 iter2 = iter->second.begin();00102 }00103 <span class="keywordflow">else</span>00104 {00105 ++iter2;00106 }00107 }00108 }00109 }00110 00111 <a name="l00112"></a><a class="code" href="classwGui_1_1CMessageServer.html#a3">00112</a> <span class="keywordtype">void</span> CMessageServer::DeliverMessage(<span class="keywordtype">void</span>)00113 {00114 <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CMessageServer.html#n0">m_MessageQueue</a>.size() > 0)00115 {00116 <a class="code" href="classwGui_1_1CMessage.html">CMessage</a>* pMessage = <a class="code" href="classwGui_1_1CMessageServer.html#n0">m_MessageQueue</a>.front();00117 t_MessageClientPriorityMap& PriorityMap = <a class="code" href="classwGui_1_1CMessageServer.html#n1">m_MessageClients</a>[pMessage-><a class="code" href="classwGui_1_1CMessage.html#a2">MessageType</a>()];00118 00119 <span class="keywordflow">for</span> (t_MessageClientPriorityMap::iterator iter = PriorityMap.begin(); iter != PriorityMap.end(); ++iter)00120 {00121 iter->second.second = <span class="keyword">true</span>;00122 }00123 00124 <span class="keywordtype">bool</span> bFinished = <span class="keyword">false</span>;00125 <span class="keywordflow">while</span> (! bFinished)00126 {00127 t_MessageClientPriorityMap::iterator iter = PriorityMap.begin();00128 <span class="keywordflow">for</span> (; iter != PriorityMap.end(); ++iter)00129 {00130 <span class="keywordflow">if</span> (iter->second.second)00131 {00132 iter->second.second = <span class="keyword">false</span>;00133 bFinished = iter->second.first->HandleMessage(pMessage);00134 <span class="keywordflow">break</span>;00135 }00136 }00137 <span class="keywordflow">if</span> (iter == PriorityMap.end())00138 {00139 bFinished = <span class="keyword">true</span>;00140 }00141 }00142 00143 <a class="code" href="classwGui_1_1CMessageServer.html#n0">m_MessageQueue</a>.pop_front();00144 <span class="keyword">delete</span> pMessage;00145 }00146 }00147 00148 <a name="l00149"></a><a class="code" href="classwGui_1_1CMessageServer.html#a4">00149</a> <span class="keywordtype">void</span> CMessageServer::QueueMessage(<a class="code" href="classwGui_1_1CMessage.html">CMessage</a>* pMessage)00150 {00151 <a class="code" href="classwGui_1_1CMessageServer.html#n0">m_MessageQueue</a>.push_back(pMessage);00152 }00153 00154 }</pre></div><hr><address style="align: right;"><small>Generated on Sat Oct 25 12:43:23 2003 for wGui by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.18 </small></address></body></html>⌨️ 快捷键说明
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