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zeitgeist.cpp

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00001 /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-
00002    this file is part of rcssserver3D
00003    Fri May 9 2003
00004    Copyright (C) 2002,2003 Koblenz University
00005    Copyright (C) 2003 RoboCup Soccer Server 3D Maintenance Group
00006    $Id: zeitgeist.cpp,v 1.8 2004/05/05 14:09:46 fruit Exp $
00007 
00008    This program is free software; you can redistribute it and/or modify
00009    it under the terms of the GNU General Public License as published by
00010    the Free Software Foundation; version 2 of the License.
00011 
00012    This program is distributed in the hope that it will be useful,
00013    but WITHOUT ANY WARRANTY; without even the implied warranty of
00014    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015    GNU General Public License for more details.
00016 
00017    You should have received a copy of the GNU General Public License
00018    along with this program; if not, write to the Free Software
00019    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00020 */
00021 #include "zeitgeist.h"
00022 #include <iostream>
00023 #include <sstream>
00024 
00025 using namespace std;
00026 using namespace zeitgeist;
00027 
00028 Zeitgeist::Zeitgeist(string dotName)
00029 {
00030     ConstructCore();
00031     RunInitScript(dotName);
00032 }
00033 
00034 Zeitgeist::Zeitgeist(string dotName, string relPathPrefix)
00035 {
00036     ConstructCore();
00037 
00038     if (mCore->GetScriptServer() == 0)
00039     {
00040         return;
00041     }
00042 
00043     mCore->GetScriptServer()->SetInitRelPathPrefix(relPathPrefix);
00044     RunInitScript(dotName);
00045 }
00046 
00047 Zeitgeist::~Zeitgeist()
00048 {
00049     // this Zeitgeist object owns the only shared_ptr to the
00050     // core. Class objects only own weak_ptrs to the core. Destructing
00051     // the core implicitly after this destructor finishes, invalidates
00052     // our shared_ptr prior to the call to Core::~Core() and all
00053     // instances are left without a valid core reference on shutdown
00054     // (calls to OnUnlink). Therefore we destruct the core and the hierarchy explicitly
00055     // with the mCore reference intact.
00056 
00057     mCore->Desctruct();
00058 }
00059 
00060 void Zeitgeist::ConstructCore()
00061 {
00062     mCore = boost::shared_ptr<Core>(new Core());
00063     mCore->Construct(mCore);
00064 }
00065 
00066 void Zeitgeist::RunInitScript(string dotName)
00067 {
00068     if (mCore->GetScriptServer() == 0)
00069         {
00070             return;
00071         }
00072 
00073     // setup the dot directory in the script server
00074     mCore->GetScriptServer()->SetDotName(dotName);
00075 
00076     // run the zeitgeist init script
00077     mCore->GetScriptServer()->RunInitScript
00078         (
00079          "zeitgeist.rb",
00080          "lib/zeitgeist",
00081          ScriptServer::IS_COMMON
00082          );
00083 }
00084 
00085 
00086 boost::shared_ptr<CoreContext>  Zeitgeist::CreateContext()
00087 {
00088     return mCore->CreateContext();
00089 }
00090 
00091 boost::shared_ptr<Core>& Zeitgeist::GetCore()
00092 {
00093     return mCore;
00094 }

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