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Object.h

Go to the documentation of this file.

/* SimData: Data Infrastructure for Simulations
 * Copyright (C) 2002 Mark Rose <tm2@stm.lbl.gov>
 * 
 * This file is part of SimData.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */


#ifndef __SIMDATA_OBJECT_H__
#define __SIMDATA_OBJECT_H__


#include <cstdio>
#include <cassert>
#include <string>

#include <SimData/HashUtility.h>
#include <SimData/BaseType.h>
#include <SimData/Export.h>
#include <SimData/Ref.h>


class DataArchive;
class LinkBase;


// Various object macros for internal use only.
#define __SIMDATA_LEAKCHECK(a) \
        a() { printf(#a " %p\n", this); } \
        ~a() { printf("~" #a " %p\n", this); }

#define __SIMDATA_GETCLASSNAME(a) \
        static const char* _getClassName() { return #a; } \
        virtual const char* getClassName() const { return _getClassName(); }

#define __SIMDATA_GETCLASSVERSION(major, minor) \
        static const char* _getClassVersion() { return #major "." #minor; } \
        virtual const char* getClassVersion() const { return _getClassVersion(); }
        
#define __SIMDATA_GETCLASSHASH(a, major) \
        static SIMDATA(hasht) _getClassHash() { \
                static SIMDATA(hasht) hash = 0; \
                if (hash == 0) hash = _getHash(#a ":" #major); \
                return hash; \
        } \
        virtual SIMDATA(hasht) getClassHash() const { return _getClassHash(); }

#define __SIMDATA_ISSTATIC(static_) \
        static bool _isClassStatic() { return static_; } \
        static bool isClassStatic() { return _isClassStatic(); }

#define __SIMDATA_CLASSDEF(a, major, minor) \
        __SIMDATA_GETCLASSNAME(a) \
        __SIMDATA_GETCLASSHASH(a, major) \
        __SIMDATA_GETCLASSVERSION(major, minor) \

#define __SIMDATA_NEW(a) virtual SIMDATA(Object)* _new() const { return new a(); }

#define SIMDATA_OBJECT(a, major, minor) \
        __SIMDATA_CLASSDEF(a, major, minor) \
        __SIMDATA_ISSTATIC(false) \
        __SIMDATA_NEW(a)

#define SIMDATA_STATIC_OBJECT(a, major, minor)  \
        __SIMDATA_CLASSDEF(a, major, minor) \
        __SIMDATA_ISSTATIC(true) \
        __SIMDATA_NEW(a)
        
// Macro to automatically register an object class with the 
// object registry.  This macro should be called for each
// object class, preferably at the start of the cpp file
// defining the class.
#define SIMDATA_REGISTER(a) SIMDATA(ObjectProxy)<a> proxy##a;



NAMESPACE_SIMDATA

class SIMDATA_EXPORT Object: public virtual Referenced, public BaseType {
        friend class DataArchive;
        friend class LinkBase;

private:
        // Objects should never be copied
        Object(Object const &o);
        Object const &operator=(Object const &);

        void _setPath(hasht);
        
        hasht _path;

protected:
        virtual void postCreate() {}

public:
        explicit Object();
        virtual ~Object();

        virtual Object* _new() const { 
                assert(0); 
                return 0; 
        }

        __SIMDATA_CLASSDEF(Object, 0, 0)
                
        
        virtual void serialize(Archive& archive);

        virtual std::string asString() const;

        virtual std::string typeString() const { return getClassName(); }

        hasht getPath() const;

        static hasht _getHash(const char* c);

};


NAMESPACE_SIMDATA_END


#endif //__SIMDATA_OBJECT_H__

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SimData version pre-0.4.0. For more information on SimData, visit the SimData Homepage. Generated on Tue Oct 14 12:06:39 2003, using Doxygen 1.2.18.