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102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
// ==============================================================
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// This file is part of MegaGlest (www.glest.org)
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//
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// DataManager.h -- Copyright (c) 2006 David Henry
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// changed for use with MegaGlest: Copyright (C) 2011- by Mark Vejvoda
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//
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// This code is licenced under the MIT license.
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//
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// This software is provided "as is" without express or implied
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// warranties. You may freely copy and compile this source into
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// applications you distribute provided that the copyright text
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// below is included in the resulting source code.
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//
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// Definitions of a data manager class.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __DATAMANAGER_H__
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#define __DATAMANAGER_H__
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#include <stdexcept>
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#include <string>
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#include <map>
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using std::string;
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using std::map;
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namespace Shared { namespace Graphics { namespace md5 {
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/////////////////////////////////////////////////////////////////////////////
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//
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// class DataManagerException - Exception class for DataManager classes.
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// This acts like a standard runtime_error exception but
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// know the name of the resource which caused the exception.
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//
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/////////////////////////////////////////////////////////////////////////////
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class DataManagerException : public std::runtime_error {
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public:
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// Constructors
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DataManagerException (const string &error)
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: std::runtime_error (error) { }
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DataManagerException (const string &error, const string &name)
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: std::runtime_error (error), _which (name) { }
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virtual ~DataManagerException () throw () { }
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public:
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// Public interface
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virtual const char *which () const throw () {
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return _which.c_str ();
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}
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private:
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// Member variables
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string _which;
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};
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/////////////////////////////////////////////////////////////////////////////
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//
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// class DataManager -- a data manager which can register/unregister
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// generic objects. Destroy all registred objects at death.
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//
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// The data manager is a singleton.
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//
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/////////////////////////////////////////////////////////////////////////////
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template <typename T, typename C>
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class DataManager {
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protected:
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// Constructor/destructor
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DataManager ();
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virtual ~DataManager ();
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public:
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// Public interface
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T *request (const string &name);
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void registerObject (const string &name, T *object)
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throw (DataManagerException);
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void unregisterObject (const string &name, bool deleteObject = false);
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void purge ();
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private:
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// Member variables
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typedef map<string, T*> DataMap;
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DataMap _registry;
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public:
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// Singleton related functions
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static C *getInstance ();
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static void kill ();
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private:
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// The unique instance of this class
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static C *_singleton;
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};
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// Include inline function definitions
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#include "DataManager.inl"
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}}} //end namespace
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#endif // __DATAMANAGER_H__
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